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Work continues in development of the Plenary Session program. The committee has put together an exceptional roster of candidates. The program will be finalized before the next edition of this newsletter. The Plenary Session is expected to bring well over 2,000 attendees. In addition, IEEE.tv will, once again, be streaming the entire session, live, for those who can't make it to APEC by Monday afternoon. By early September, all the submissions of proposals for both the very popular Industry Sessions as well as the highly-informative Professional Education Seminars will be under consideration. The Industry Session tracks that run in parallel with the Technical Sessions are expected to be as popular as ever. This year, at APEC2018, over 1,500 APEC attendees arrived early to take advantage of the weekend and Monday morning Professional Education Seminars. The committee is planning for a repeat of this attendance in 2019. Exhibit reservations for APEC2019 have hit an all-time high with 281 exhibitors and 46,600 square feet of exhibit space. The exhibit is sold out and there are over 50 companies on the waiting list. The Exhibit Committee is working hard to accommodate as many of these as possible. On the Saturday prior to the start of APEC2019, PSMA and PELS will be sponsoring two workshops, the fourth High Frequency Magnetics Workshop and the second Capacitor Workshop. For more information see the articles on each workshop in this issue of the UPDATE. Registration opens on October 29th. Go to www.apec-conf.org to get all the information you need. In addition to making your reservation to attend, you will also be able to book your hotel accommodations. APEC has secured blocks of rooms at the close-in hotels to the convention center. As usual, these rooms will sell out long before next March. The entire APEC Conference Committee is excited about bringing our Premier Global Event in Applied Power Electronics to Anaheim, March 17-21, 2019.
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You Are Invited to the 2018 PSMA |
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The Board of Directors relies on the inputs generated at the Annual Planning Meetings to identify, consider and select programs for the following year that will bring benefits to the PSMA membership. For example, initiatives generated at recent Planning Meetings have resulted in the Power Supply in Package and Power Supply on Chip project and workshops, the Energy Efficiency and Safety & Compliance Database projects and the 3D Power Packaging projects and 3D-PEIM Symposiums. This year's meeting will begin with a brief review of the year to date accomplishments and a summary of ongoing activities by Stephen Oliver, Chairman of the PSMA. This will be followed by an update of the six-quarter financial forecast and a status report and plans from the active PSMA committees. Most of the meeting will feature an open forum to introduce and discuss possible special projects, initiatives, and priorities for the coming months. All members of PSMA Companies are encouraged to provide inputs. If you cannot attend the meeting in person, email suggestions to power@psma.com and they will be considered and included in the discussions. In the coming months, the PSMA Marketing Committee will summarize the results of the meeting and prioritize which projects and initiatives should be included in the focus for the next year. All members and guests attending are invited to remain after the Planning Meeting to participate in a meeting of the Board of Directors, which will take place immediately following. After the Board Meeting, interested individuals are invited to tour the exhibit area space in the Anaheim Convention Center and the meeting room facilities planned for APEC 2019. The APEC 2019 Technical Program Committee will meet the following day, Sunday September 30, to discuss the technical abstracts submitted and to organize the technical sessions, professional education seminars, rap sessions, and industry presentations for APEC 2019 in March. Since PSMA is a co-sponsor of APEC all members are invited to participate and contribute in this important activity. To make your room reservations at the Marriott, visit https://aws.passkey.com/go/APEC2019 to receive the group rate of $189.00 USD plus taxes. If you plan to attend the 2018 PSMA Planning Meeting, please email the Association Office at power@psma.com. We look forward to seeing many of you at these important meetings.
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Eaton Corporation
FH-Rosenheim
Google Inc.
RECOM Power GmbH Matthew Dauterive Muenzfeld 35 4810 Gmunden, Upper Austria Austria Telephone: +43761288325750 E-mail: mj.dauterive@recom-power.com Website: www.recom-power.com
Rodney Rodgers (independent)
Silent Sensors Ltd
System Management Interface Forum (SMIF), Inc.
Taiwan Semiconductor
TesCom
XP Power
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APEC 2019 Sponsors Continue Student Travel |
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Travel support of up to $1,000 offered to graduate and undergraduate students enrolled in power electronics programs to assist in attendance at APEC in March 2019; Up to $60,000 in travel support will be distributed; Deadline for applications is Oct. 26, 2018 In its 14th year, this popular program, initiated by the Power Sources Manufacturers Association (PSMA), is now jointly underwritten by PSMA and the other co-sponsors of the APEC conference: the IEEE Power Electronics Society (PELS) and the IEEE Industry Applications society (IAS). The student recipients will be chosen by the APEC 2019 Student Travel Support Committee. Application forms are now available at APEC Attendance Travel Support Application. The criteria for selection are:
As part of the application process, students must include information about their educational institution, degree program, the name of their faculty advisor(s) and a brief description of their career interest and reasons for planning to attend APEC. The application also requires the title and ID number of their accepted APEC paper, as well as the name(s) of the co-author(s). More information about the APEC Student Attendance Travel Support Program may be found at the PSMA's Education Forum page. |
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PSMA Publishes |
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3D Power Packaging with Focus on Embedded Passive Component Comprehensive report is the first to address higher power embeddable passives that will accelerate the development of higher density power sources using new, 3D disruptive packaging technologies The PSMA undertook this Special Project and created the 3D packaging report to address the pressing demands in the power industry to accelerate the development of higher density power sources. Miniaturization of passive components without compromising their power handling and efficiency, and their integration with actives has always been a key focus for power packaging. There is also an increasing trend to vertical or 3D package integration to address the performance issues by eliminating parasitics from large leads. Wide bandgap (WBG) devices, on the other hand, have become a key enabler to achieve high power densities and efficiency, owing to their many advantages over silicon. In particular, they enable operation at higher switching frequencies and temperatures with subsequent improvements in power density and efficiency. While SiC is presently the most mature WBG technology, production-ready for power train applications, GaN devices have recently gained importance with the GaN-on-Si technology, to reduce the cost. Embedding of WBG actives and passives, therefore, has become a very important technology in power applications to increase power density and efficiency along with miniaturization of power modules using Si devices for low power, and wide bandgap GaN and SiC devices for high power. Embedding gives lowest package inductance and enables co-integration of power systems and drivers in a single package with direct interconnection between gate driver circuits and switches with shortest interconnection length. This, however, leads to several process integration and reliability challenges that need to be systematically addressed. The challenges vary depend on the power of the system, power density, operation temperature and other criteria. The power electronics industry is actively pursuing solutions to address these challenges. Georgia Tech Packaging Research Center, under contract from PSMA systematically surveyed the recent advances in passives, active embedding and 3D passive-active integration to generate this report, with emphasis on 3D power packaging enabled by advances in passive components and embedding of actives in power packages. A detailed literature study was conducted on key advances in embedded passive technologies and related topics. Emerging nanomaterials and processes are described for inductors, capacitors and resistors. Nanostructured materials provide additional degrees of freedoms in enhancing the properties to improve the performance metrics such as volumetric density and efficiency of the components. Key enabling building-blocks are described for each technology. The manufacturing challenges are also highlighted in advancing the components to improve performance. Industry leaders were surveyed to get the recent technology advances in each category. Roadmaps are projected for passive component advances and active embedding technologies. Passive components, substrates and packaging technologies are categorized as follows:
The trends and roadmaps in 3D power packaging are also described in three categories: low power (1-100 W), medium power (100-1000 W) and high power (10-100 kW). Integration in each category is classified into lead-frame-based, substrate-embedding based, and traditional ceramic substrates. Active embedding with panel- scale substrate manufacturing is also reviewed in detail. Recent innovations in substrate materials and associated reliability challenges such as via cracking, dielectric cracking or electric breakdown are highlighted. Advances in die-attach solutions with sintered nanocopper are reviewed, highlighting the evolution of low-stress sintered copper-based die-attach solutions. Co-chairs of the PSMA Packaging Committee, Ernie Parker of Crane Aerospace & Electronics and Brian Narveson of Narveson Consulting, described the report as "the first comprehensive document to discuss the challenges companies will face to implement embedded passives in 3D power packaging to create the significantly higher power densities. The PSMA report on 3D packaging was provided free of charge to PSMA Regular and Associate Company members. Additional copies may be purchased at the member price of $290. PSMA Affiliate members may also purchase the report for $290. The report is available to non-members for purchase on the PSMA website (www.psma.com/publications) for the price of $3,490. Provided by the PSMA Packaging Committee.
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PSMA and PELS Magnetics Committee High Frequency |
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Power Magnetics @ High Frequency
The purpose and focus of this workshop is to identify the latest improvements in magnetic materials, coil (winding) design, construction and fabrication, evaluation and characterization techniques and modelling and simulation tools. This is to target the advancements that are deemed necessary by the participants for power magnetics in order to meet the technical expectations and requirements of new market applications for higher operating frequencies and emerging topologies that are being driven by continuous advances in circuits topologies and semi-conductor devices. The target audiences for the 2019 Power Magnetics @ High Frequency workshop include the designers of power magnetic components for use in electronic power converters responsible to implement the most technologically advanced power magnetic components that are necessary to achieve higher power densities, specific physical aspect ratios such as low profile, higher power efficiencies and improved thermal performance. The target audiences also include people involved in the supply chain for the power magnetics industry ranging from manufacturers of magnetic materials and magnetic structures, fabricators of magnetic components, providers of modelling and simulation software as well as manufacturers of test and characterization equipment. The 2019 Power Magnetics @ High Frequency will open with a keynote presentation by Gerry Hurley of the National University of Ireland, Galway, Ireland providing a technical overview of the topics to be covered within the workshop. The keynote presentation will be complemented by a Q&A session to address specific details of interest of the workshop attendees. The second session of the workshop will be a technical presentation session addressing various topics associated with ac power losses, in particular, the effect of core size and material. In addition to the brief Q&A period after each individual presentation there will be a panel of the presenters at the end of the session who will address topics requiring more detail as deemed by the workshop attendees. During lunch, breakfast and the networking hour at the end of the workshop there will be an interactive session of table top technology demonstrations each addressing specific technical disciplines and capabilities consistent with the workshop agenda. Each technology demonstration station will include a ten-minute presentation at fifteen-minute intervals. Interaction between the attendees and the presenters is highly encouraged during this portion of agenda as a segue from the opening keynote presentation and the technical issues session. If anyone would like to participate as a presenter for the technical demonstration session, please contact the organizing committee through PSMA via e-mail to power@psma.com with a description of your proposed technical capabilities topic. We are limited to nine technology demonstration sessions. Based upon responses to the survey for the previous 2018 workshop, the fourth session of the workshop will be a technical presentations addressing topics associated with thermal management in magnetic components. In addition to the brief Q&A period after each individual presentation there will be panel of the presenters to address topics requiring more detail as deemed by the workshop attendees. More details regarding the agenda for the workshop as well as registration for the workshop will become available on the PSMA website (www.psma.com/technical-forums/magnetics/workshop) over the coming months. Organizing Committee
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Pre-APEC 2019 Capacitor Workshop Saturday March |
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The Impact of Wideband Technologies on - A Deep Dive on Capacitor Technology -
This full day workshop will include invited expert presentations, panel discussions and the opportunity to raise questions and interact with the experts. The workshop will also include a series of focused demonstrations to further expand on the presented material. There will be ample time to network with attendees and to interact with the presenters as well as the experts demonstrating the materials. In the morning, the workshop will focus on the new horizons of Supercapacitor, the latest advances in Polymers, and the shifting edge of using Aluminum Electrolytics at higher temperatures with longer lifetime and increased reliability. There will be presentations comparing the benefits, the pros and cons of the application of Aluminum Polymer and Tantalum technologies. This will provide the workshop attendees a much deeper look into the capacitor world. In addition, there will be a session to address the situation of a worldwide MLCC shortage with details to show how to survive and overcome this situation, not only in the short run but in the future as well. While the morning sessions will discuss new capacitor technologies, the afternoon sessions will primarily focus on how to use them in application. The trends in new product systems call for higher power requirements, higher frequencies (provided by increasing availability of GaN and SiC), higher density packaging and higher operating temperatures. These evolving requirements all will massively influence the application of capacitors The presenters of this workshop are all experts coming from various backgrounds ranging from worldwide leading capacitor manufacturers, international universities, and technical institutions. In addition, many of the presenters are industry experts in designing circuits and applications, as well as specialists in the manufacturer of capacitors. All come with a broader range of insights, news and relevant information to help you apply the best solutions in your daily work with capacitors. As capacitors are the most used components in the electronic world, establishing common terminology and identifying their behavior in finding the "best fit solution" are the main goals of this workshop. With a deep dive into state-of -the- art for materials and components, a roadmap of technologies and an application roundup, attendees will gain value and benefits from this workshop. in various ways. To round up this workshop and make it more beneficial, there will be demonstration stations available during breakfast, lunch and the afternoon networking session to add practical backgrounds to the topics discussed in the presentations. Specialists in applications and measurements will be available to answer questions on capacitors and their applications. Finally there will be a reception during the closing demonstration session with snacks and drinks to provide additional informal networking opportunities. The latest agenda, registration, and additional information will be available at www.psma.com/technical-forums/capacitor/workshop. Provided by members of the Capacitor Workshop Organizing Team:
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2018 International 3D Power Electronics Integration and |
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The keynotes were followed by a single-track technical program featured 34 oral presentations divided into eight topical sessions, each with a keynote speaker followed by three invited/contributed talks. Over 80% of the oral talks were invited. The presenters and attendees engaged in lively discussions during the sessions and many networking breaks. In addition, 19 posters were displayed during an exciting interactive session with the displaying students. Participant feedback stated that 90% of attendees felt the presented material was high quality and were interested in attending a future 3D-PEIM.
The Symposium was sponsored by the Power Sources Manufacturers Association (www.psma.com), and chaired by Prof. Patrick McClusky, University of Maryland, IEEE EPS was a technical sponsor and with financial support by two industry sponsors, and three academic sponsors, CALCE at University of Maryland, CPES at Virginia Tech, and the FREEDM Systems Center at NCSU. Plans are now underway for 3D-PEIM 2020 and organizers and sponsors are being solicited. If you are interested, please contact info@3D-PEIM.Org, or the PSMA office at power@psma.com. Provided by:
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International Power Supply-on-Chip (PwrSoC) Workshop in Hsinchu, Taiwan, Oct. 17-19, 2018: Registration |
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2018: Registration Now Open
The PwrSoC18 workshop organizers, speakers, and attendees include global academic and industry experts who are focused on miniaturizing power management circuits and passive components— initially in package, (power supply in a package – PSiP) but ultimately on-chip, (power supply on chip – PwrSoC). Program participants have been a 50/50 balance of industry and academia representatives from all major global regions. The Power Sources Manufacturers Association (PSMA) and IEEE Power Electronics Society (IEEE PELS) are joint sponsors the workshop.
Professor Cian Ó Mathúna of Tyndall National Institute, the originator of the PwrSoC workshops in 2008 and PwrSoC18's General Co-chair, commented on this year's venue: "Our endeavour is global. We are excited to invite our Asian colleagues and friends in Hsinchu, a key manufacturing location, to join our workshop participants from around the world to hold this most important dialogue. Manufacturing as well as technology development are cornerstones to realizing our vision of enabling a supply-chain to deliver fully integrated PwrSoC to the commercial marketplace." Professor Hanh-Phuc Le from University of Colorado, Technical Program Chair, pointed out: "We have finally completed our program and we have a fantastic line up of speakers and topics on our invited presentations and accepted posters. Attendees' knowledge will be enriched by learning about advancements in converter topologies, passive component technologies, wide-bandgap devices and circuits and new concepts for integration and manufacturing. World-leading experts will discuss far-reaching goals and achievements in a wide range of applications, from powering high-performance processors to automotive and bio-medical systems." For instance, the plenary session has the following speakers:
See the full technical program at http://pwrsocevents.com/schedule/ Thirty (30) outstanding posters have been accepted so far and we expect to have a total of forty (40) by the time we meet in Hsinchu. http://pwrsocevents.com/posters/
Registration is Now Open We suggest you sign up soon. Early registration closes at the end of August and the tour hosted by TSMC has limited openings. Partnership Opportunities Our partner hotel, the Landis Inn, is offering a special rate for workshop attendees. Host
Partners
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The 6th Workshop on Wide Bandgap Power Devices and Applications (WiPDA 2018) |
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The workshop is brought to you by this year's Platinum Sponsor: Infineon Technologies. Financial support is also provided by the Gold Sponsors, PowerAmerica, SemiProbe, and Silvaco, as well as the Silver Sponsor, Innocit LLC. Additionally, the workshop is supported by the IEEE Power Electronics Society (PELS), the Power Supply Manufacturer's Association (PMSA), and the IEEE Electron Devices Society (EDS). Tutorials: The tutorials focus on applications and devices in SiC, GaN, and ultra-wide bandgap (UWBG) semiconductors. Presenters include representatives from industry and academia. The seven tutorials topics are:
Technical Program: Four keynote presentations will be held on November 1st and another four on the November 2nd. A panel session will held on November 1st. It will be followed by the first round of technical sessions. A total of 50 oral presentations will be given across 12 technical sessions. The poster session will be held on the evening of November 1st, and it includes research from 24 teams. This event will be held in conjunction with the conference banquet. Day two begins with another round of keynote presentations. This is followed by three rounds of technical sessions. The oral and poster presentations cover research topics in the following areas:
The conference is located minutes away from many famous attractions including: Fox Theatre; Margaret Mitchell House; World of Coca-Cola; Georgia Aquarium; Piedmont Park; Ferst Center for the Arts; Centennial Olympic Park; Skyview Atlanta Ferris Wheel, CNN's Headquarters, High Museum of Art, Atlanta Botanical Gardens, and the Martin Luther King Center. Sports fans can make arrangements to see the Atlanta Hawks, the city's NBA team, or Atlanta United during their visit. Tours are available of Mercedes-Benz Stadium; home of the Atlanta Falcons and Atlanta United. Furthermore, the city offers many beautiful and challenging golf courses. In the case of inclement weather, attendees can tour the College Football Hall of Fame. Conclusions: For questions and concerns about the workshop, please contact one of the members of the organizing committee. We look forward to seeing you this fall in Atlanta, Georgia.
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EnerHarv2018 Workshop – The Launch of a New Ecosystem for Energy Harvesting and Micro-Power Management |
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Over 80 people attended this inaugural event, hosted by Tyndall National Institute in Cork, Ireland, one of Europe's leading industry-led IoT research centers, with over forty percent industry participation from companies in Europe, North America and Asia. According to attendees, the workshop more than lived up to its promise to create 'an ecosystem for experts and users of energy harvesting and related technologies to share knowledge, best practices, roadmaps, experiences and create opportunities for collaboration'. A key message from the workshop is that emerging technologies, if properly guided and integrated by our ecosystem and driven by the end users, will enable a dramatic penetration of energy harvesting and power management solutions into a broad range of applications The Keynote speakers Yogesh Ramadass from Texas Instruments and Eric Yeatman from Imperial College London set the stage and inspired the audience by sharing their perspectives, some history and their applications led vision for powering the internet of things. This was followed by an outstanding line up of speakers on technology, applications and panel sessions from Analog Devices, Carnegie Mellon, ST Micro, Ilika, ARM, UNIST (Korea), Cambridge Display Technologies, Fraunhofer, IMTEK-University of Freiburg, Tyndall, MCCI, NCSU (North Carolina), Boston Scientific, Cap-XX, University of Southampton & United Technologies. One of the most unique and successful elements of EnerHarv2018 Workshop was the 16 demos from research and industry demonstrating many real life applications (e.g. wearables, asset tracking, condition monitoring, agri-tech) where energy harvesting solutions have already been developed. In addition, 19 posters were on display stimulating discussions, awareness and synergies between delegates. Ample time was allowed to enable the attendees to interact, learn, form partnership and be motivated and inspired to develop impactful solutions. The increase in the level of interaction between attendees was remarkable by the end of the workshop with a clear appetite for more events such as this. A testament to the interest levels and interest from the audience was the number of attendees that remained through to the afternoon sessions on the 3rd day and the level of stimulating audience participation in all sessions.
We would like to take this opportunity to thank event sponsor and owner PSMA, host Tyndall, our technical sponsors (IEEE PELS, ECPE, CONNECT, How2Power and CPSS), presenters and session chairs, the EnerHarv2018 Workshop and PSMA Energy Harvesting Committees and all who he in putting such an inspiring and impactful workshop together. Finally, EnerHarv2018 Workshop was only the first step in the creation of our ecosystem. The committee have released the proceedings to attendees and undertaken a survey to gather feedback on what went well, how future EnerHarv workshops can be improved in future in terms of content, structure, location, timing, etc. If you missed the EnerHarv2018 Workshop but would like to learn more or are interested in PSMA 'powering the internet of things' initiatives please visit www.EnerHarv.com or contact PSMA Energy Harvesting Committee chairs Mike Hayes (michael.hayes@tyndall.ie) or Brian Zahnstecher (bz@powerrox.com) to learn more. Provided by General Chair
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INTELEC 2018 Conference |
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The 40th anniversary INTELEC 2018 conference will be held in the beautiful and historic city of Torino, Italy at the Lingotto Conference Centre, October 7-11th 2018. The theme of this conference is: 40 years of Inspiration, Research and Exploration in Power and Energy for ICT. The conference program will include four tutorials on the Sunday before the conference opens, keynote and invited speakers' plenaries on the Monday morning, three or four parallel technical sessions with about 100 oral presentations from Monday afternoon to Thursday morning, poster presentations, and three workshops during the week. There will also be an industry exhibition featuring communication power and energy systems equipment open from Monday lunch time, till Thursday lunch time. The conference features a substantial social program which will include a welcome reception Sunday evening, an exhibition reception Monday evening, an afternoon social or technical tour, and a banquet Wednesday evening with entertainment at the Torino automobile museum. The Tutorials are on power electronics, base station power systems, data center power, and energy storage systems management. Research and technical papers to be presented in the technical program explore the needs and trends in the subject areas of power conversion, energy storage, and high-reliability and mission-critical powering infrastructure. Topics include power and energy system architectures, traditional and 400 volt DC power systems, outside plant distributed power systems, power system monitoring and control, AC-DC and DC-DC converters, DC-AC inverters, energy storage including battery and fuel cells, grounding, physical and thermal designs including building and equipment cooling systems. One can register for the conference and for accommodation on the conference website www.intelec2018.org or at http://www.symposium.it/en/events/2018/intelec-2018
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EnABLES Launches its Transnational Access Programme for Powering |
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The TA providers include Tyndall, CEA (Leti & Liten), Fraunhofer IMS, Fraunhofer IIS and imec the Netherlands. In addition, Virtual Access to databases of vibrational energy sources from real life applications is being offered by the University of Perugia and the University of Southampton. EnABLES also funds Joint Research Activities (JRAs) between the above mentioned partners along with Karlsruhe Institute of Technology, Politecnico Di Torino and University of Bologna. It is envisaged that the Joint Research Activities will lead to future Transnational Access programme offerings. The access process is very simple, examples of offerings can be viewed on the EnABLES website and an online enquiry form is available at www.enables-project.eu. All outputs from the EnABLES TA and VA activities will be openly available as part of the aim of EnABLES to build a collaborative ecosystem that creates miniaturized and autonomous sensors. The EnABLES program already brings together a consortium of 130 'powering IoT' researchers giving them access to over €2Bn worth of research infrastructure. We welcome you to go onto the EnABLES website and subscribe for newsletters, updates and info on other relevant events and activities (http://www.enables-project.eu/contact/signup/). Provided by Mike Hayes, EnABLES Coordinator |
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ISPCE 2018 Drilled Deeply into Today's |
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Among the notable topics discussed at the symposium were risk and hazard management, IEC 60601 4th edition EMC, RoHS, WEEE and all things environmental related such as chemical content halogens. Also covered were Hazloc or hazardous location regulatory issues, mechanical safety issues and tests. Even the subject of cyber security, which is being discussed in so many forums, was covered. Here, the perspective was on safety such as ways products could be compromised or made unsafe by hacking, for example. Several sessions were presented on regional safety and compliance standards in Europe, Africa, the Middle East, Mexico, the Caribbean, China and Central America. These extended to labeling requirements for various global locations. Of course, standards of interest here in the U.S. were on the agenda. For instance, there was a session on the National Electrical code for Division 2 vs Zone 2 protection techniques. Many talks are by subject area. Two of those of high interest were the ones on lightning protection techniques and hipot testing. Even more germane were the presentations on "Power Supply Safety Evaluation" and "Certification Challenges for Power Banks". But one of the most relevant and often discussed sessions concerned IEC 62368 compliance, which is the new standard for power supplies replacing IEC 60950, which has been with us for a long time. These are topics we routinely discuss and review in the PSMA Safety and Compliance committee. (For a full list of the presentations, see the ISPCE 2018 conference schedule here.) One of the benefits of attending ISPCE is that you get to hear about these standards from the top experts in the field. By that I mean the people who are actually doing the work of getting products through compliance testing and into production and the representatives of the NRTLs (nationally recognized test laboratories) and related test equipment makers. With all of these standards and testing experts gathered in one place, you can get questions answered on the spot. Broadly speaking, participating in a symposium like ISPCE is a means to preparing for compliance requirements and approaching them in a logical, planned way. Reflecting on what we have observed in industry, it always amazes us how little time or thought is given to compliance needs during product definition, development and design. So often these requirements do not receive proper consideration until one arrives in the compliance test lab where the customer is being charged $1000 an hour or more. At that point everyone becomes very open minded for discussion.
Yet many of the costs and project delays associated with compliance lab crises could be avoided with just a modest investment in pre-compliance testing. Probably $2500 spent on a small pre-compliance area in a lab would pay for itself during the first use. Doing pre-compliance testing and gaining 90% confidence that a product will pass the first time in the expensive test lab would be well worth the upfront investment. Unfortunately, there is often no time or resources allocated to these activities UNTIL there is an issue–then budget must and will be provided. This is a frequent topic of discussion at events like ISPCE where you'll hear the consultants and the labs say how thankful they are that companies are completely reactive when it comes to compliance and see no reason to change. This is also a source of humor for the compliance consultants who get called in for firefighting when money is no object. At many companies, the status quo on compliance is unlikely to change. But if you can help your organization take a more proactive approach, it should ultimately pay dividends. Whether you are new to product safety and compliance, or an old hand—especially in the power electronics industry—attending ISPCE annually should be part of your pre-compliance preparation. I already have it on my calendar for next year.
Editor's Note: This article was first published in the July 2018 issue of How2Power Today (www.how2power.com/newsletters).
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Challenges faced by gas, oil and hazardous substance industry The production, transportation and distribution of gas, oil and hazardous substances require, at every step of their respective processes, high levels of monitoring, guaranteeing safety and environmental protection. It is critical to prevent any leakage, and if happening, to detect and report faults without delay, requiring that sensors, monitoring station, communication and other connected devices are powered with stable "always available power." That might sound obvious but considering the entire chain, from production to distribution; the quality of power delivered from grid and micro-grid is not always optimum, which could compromise safety. That's why a very specific type of power solution including local energy storage, power monitoring and communication towards the host system and site-manager is a must. We will come back to the power solution in detail, but another challenge facing demanding industries are; the aging of installed equipment which, some are in operation for more than 20 years, powered by linear power sources with low efficiency and backup batteries, not dynamically monitored, having as consequence to request, for safety reason, preventive battery replacement on calendar basis. At the very least there are cost implications for operators, as well an environmental impacts, if we consider the low efficiency of the power supply and the recycling of batteries that could be in a perfect condition; reducing energy consumption and battery life-time motivated companies to upgrade the installed base of power supplies with higher efficiency power sources, battery monitoring and real-time based communication between the power unit and the supervising center. Site modernization is an important process: but, in the case of the gas industry, not enough to reach the objectives fixed by the different governments to reduce methane emissions that may result from gas leakage throughout the overall process, as reported by the Clean Air Task Force.
The modernization process is very well aligned with the requirement but considering the scale of the overall chain additional measuring stations will be required to detect early leakage triggering action to repair as soon as detected. In that industry, time matters and the sooner a default identified, the lower the environmental impact; and for that reliable power sources are mandatory! What is the best power solution gas, oil and hazardous substances, leakage-detection manufacturers should consider? Safety and regulations
Gas detection is very much connected to business segment 'Fire Alarms' and, from the early days, power solutions designed for those types of applications have had to follow safety standards related to that segment. In Europe, the EN 54 Fire detection and fire alarm systems is a mandatory standard that specifies requirements and laboratory tests for every component of fire detection and fire alarm systems, allowing free movement of construction products between countries of the European Union market. The part 4 (Power supply equipment - EN54-4:2007) specifies requirements, methods of test and performance criteria for power supply equipment of fire detection and fire alarm systems. Included in the standard are functionality tests, electrical and mechanical design requirements, as well environmental tests such as cold, vibration, impact, damp heat, and electromagnetic compatibility.
In other countries, additional standards may apply, which in close cooperation with equipment manufacturers, power designers have to consider at the early stages of the product development, e.g. in UK, the BRE Global Loss Prevention Certification Board (LPCB) verify and certify products operating in Fire Safety, stamped by the LPCB logo [figure 3]. Power supply – battery and monitoring and communication in focus This is where the custom power solution is considered by equipment manufacturers, requiring more power, higher battery capacity and extra features such as advanced monitoring and communication. Power Supply - High power EN54-4 power solutions are supporting high capacity lead acid batteries; in this example up to 200Ah. High capacity batteries are requiring special attention on the way the power is balanced between the system bus voltage and battery charging. The most optimized solution is to build a power system that includes two independent power supplies; the first one (28V/20A) to power the applications (e.g. infrared cameras) and the second (28V/15A) to charge the batteries as its main purpose.
Enclosed in an IP30 case, the power supplies and supervising circuitries require special attention on layout, to optimize free air convection, which is the case in the vast majority of applications. Thermally controlled fans can always be added for high temperature environments but designers have to develop the product based upon free air convection, dimensioning components and thermal management for such conditions. Conduction cooling is the rule, and technology such as passive heat-pipes are often considered. Battery and Monitoring - As we mentioned earlier in the article, the reliability of EN54-4 power sources, supplying voltage to strategic applications and securing power to vital functions, in case of AC disruption, has no compromise. We used to say "Failure is not an option and battery integrity a must." That's where battery monitoring becomes a science, making the overall power system highly reliable. Different methods exist to test battery integrity/capacity:
Each method has advantages and disadvantages and the best method is a combination of all. Considering the application and environment, system power designers have developed complex algorithms (part of companies' secrets), integrating battery specific parameters, in-situ operating conditions and predictive failure simulation, based on calculation and field data. As the Fire Industry Association presented in "FIA Guidance Testing of lead acid batteries used in Fire Detection & Alarm System Power Supplies," one of the most critical parts in this process is the calibration. As the battery ages, chemical degradation causes reduction in the battery's maximum chemical capacity, limiting performance and risk of failure. Defining the point when an alarm signal should be generated to request maintenance is very important and that can only be done with detailed battery knowledge. In a perfect world, a calibration profile should belong to the battery, but unfortunately that is not always the case. Currently the technical information available is not good enough for demanding applications, requiring power manufacturers to build their own databases, which are then integrated into the algorithms. Calibration requires a large amount of data to establish the performance profile of the battery. That data are is based upon voltage at the cells under different conditions of load and temperature, the internal resistance (measured value from a large population), the dynamic behavior under load transient and few more part of the magic receipt. When in operation, the EN54-4 power system permanently monitors the 'State of Charge' (Remaining battery capacity / Full charge capacity), the 'State of Health' (Full charge capacity / battery design capacity) and other parameters defined during the design process. In the case of the product presented as example, the PBUKW6004 tests the internal resistance and other parameters every 3 minutes with 10 cycles. The data is then compared with the calibration table and, if a deviation identified, the fault reported via the communication bus, as well as being communicated via a local LED on the front panel. Communication – Power supplies used in Fire Detection & Alarm System are usually not embedding communication interface. When a default detected, a LED is lit on the front of the power unit and a relay (e.g. open collector transistor) switched to trigger an alarm. In the case of gas leakage control, equipment could be deployed in remote areas or limited access during site operation. It is very important for the System Supervisor to know the state of each station in real time, requiring the power supply to communicate information to host/supervisor. Adding an Internet RS-485 with Modbus protocol to the power unit makes it possible for the System Supervisor to tightly monitor the health of each individual site and the state of the batteries and, from data collected, to initiate technical maintenance when necessary. Information collected through the communication bus is not limited to the battery, it could also include other useful information such as temperature, bus voltage condition and load condition, adding important information when monitoring safety in such operation. Way forward and conclusion Powering demanding applications such as gas leakage monitoring is very interesting and new technologies such as low power consumption sensors will require power designers to explore new territories in future, which is very exciting. In the semiconductors domain, Gallium Nitride, Silicon Carbide or Gallium Arsenide are opening a full range of new applications and, as listed in the White House report under "Improving Methane Measurement" - developing new measurement technologies, including lower-cost emissions sensing equipment, an invitation to Power Designers to investigate harvesting energy. To conclude, this article has sought to briefly convey the type of challenges power designers can expect to face, when developing power solutions for demanding applications, reflecting the huge amount of required competence and knowledge it requires. It certainly dispels the clichéd notion that the Industrial Power sector is a boring segment; rather demonstrating just how exciting it is and will become in the future.
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Looking Back at PCIM2018 and Forward |
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A total of 11,602 trade visitors took in the innovations and trends that will be driving their business in the future. At the conference held alongside the exhibition, more than 800 participants learned more about the latest developments and research findings from the realms of science and industry in over 300 talks and poster presentations. PCIM Europe 2019 will be held from May 5-7 in Nuremberg, Germany. For more information, please go to https://pcim.mesago.com/events/en.html
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Solar Energy DealReader: |
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 incoln International is pleased to present you with the latest Solar Energy DealReader from our Renewable Energy Team. Topics covered in this issue include:
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| Events of Interest - Mark Your Calendar |
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If you or anyone in your company is interested in getting on the distribution list for future issues of PSMA UPDATE, please send e-mail to: power@psma.com. Be sure to include your name and
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lanning for APEC 2019 is well underway. The Call-for-Papers closed in July with 1,048 digests submitted. Now the committee and over 100 volunteers have the task of peer-reviewing all of the digests in preparation for the mid-year meeting at the end of September. At that time, the tough task will be to select the top 500+ papers for the Technical Sessions program. As in APEC 2018, 60 Students that have a technical paper accepted are invited to apply for a Student Travel Reimbursement Award of up to $1000 to cover their attendance at APEC2019. For more information, see the article on page 4 of this issue.
ll members of PSMA companies are invited to attend and to offer their inputs and suggestions for the projects and activities the Association should focus on in the coming year. The 2018 PSMA Planning Meeting will take place on Saturday September 29, in the La Jolla Room at the Anaheim Marriott, Anaheim, CA . 
Rodney Rodgers assists clients to develop and sustain their business in the fields of wound magnetic components, cores, transformers and inductors. His services include design & documentation, procedures & testing, application & technical advice, research and training. Currently working as an independent consultant, Rodney brings his experience as a Design Engineer at companies including Texas Instruments, Superior Magnetics and VAC Magnetics.
he joint sponsors of the 
egistration opened July 24th for the 6th international workshop, Power Supply-on-Chip 
NTELEC® is an international annual technical conference which, for the past thirty-nine years, has been the premier forum for the discussion of the science and engineering of power and energy systems for Information and Communications Technologies (ICT). 
ver the course of the PCIM Europe 2018, 506 exhibitors from 27 countries presented components and other products from every area of application in power electronics.
solar_energy_stock_index_q2_2018.pdf