Renewable Energy

September 2016

Winners of the 2016 Housing Innovation Awards announced

Housing Innovation Awards

Winners of the 2016 Housing Innovation Awards announced

The U.S. Department of Energy (DOE) recognized 34 of the nation's leading builders at the 2016 Housing Innovation Awards during the Energy and Environmental Building Alliance's Excellence in Building Conference in Dallas, Texas. The winners were selected by a diverse panel of builders, architects, and industry prof

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Date:

09/29/2016

Advanced IGBT tech is critical for next-gen energy systems

Anjum Jabeen, Taku Takaku, and Yasuyuki Kobayashi, Fuji Electric

Energy conservation and reduction in CO2-emissions are key factors in mitigating global warming and preserving our future environment. These positive trends are leading to wider usage of power semiconductors in energy conversion systems supplying the rapidly growing global energy demand. IGBT (Insulated Gate Bi

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09/29/2016

Ohio State’s all-electric Venturi Buckeye Bullet 3 sets new landspeed record

VBB-3 racing on the Salt Flats

Ohio State’s all-electric Venturi Buckeye Bullet 3 sets new landspeed record

After three years of battling difficult weather conditions at the Wendover, Utah, Bonneville Salt Flats track, The Ohio State University’s Venturi Buckeye Bullet 3 student team and driver Roger Schroer rallied to push their electric streamline vehicle to a world record two-way average top speed of 341.4 miles pe

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09/27/2016

Nevada regulators approve NV Energy, SolarCity grandfathering proposal

Regulators reduced net metering incentives for both existing and future solar customers

Nevada regulators approve NV Energy, SolarCity grandfathering proposal

Krysti Shallenberger & Gavin Bade for UtilityDive

The Nevada PUC’s decision to reduce net metering rates at the end of last year set off months of regulatory and legal challenges. In their decision, regulators reduced net metering incentives for both existing and future solar customers — and made the unprecedented decision not to “grandfather” existing

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09/21/2016

Ampyx Power taps VectorCAST to help develop next-gen energy tech

- Vector Software, the leading provider of innovative software solutions for embedded software quality, announced today that Ampyx Power, a developer of Airborne Wind Energy technology, has selected the VectorCAST test automation platform to support DO-178C Level A software testing requirements. Ampyx Power is

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09/15/2016

Maxim’s cell-string optimizer improves solar panel performance up to 30%

Maxim’s cell-string optimizer

Maxim’s cell-string optimizer improves solar panel performance up to 30%

New cell-string optimizer technology from Maxim Integrated Products, Inc. (NASDAQ: MXIM) allows photovoltaic (PV) panels to harvest significantly more energy and simplifies design complexity for solar installation projects. Maxim’s cell-string optimizers are highly integrated DC-DC converters that replace t

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09/13/2016

SolarEdge presents advanced PV solutions at Solar Power International

SolarEdge Technologies, a leader in PV inverters, power optimizers, and module-level monitoring services, is showcasing at SPI its expanded PV solutions to further simplify PV installation. As part of the company’s commercial solution expansion, SolarEdge is launching its highest wattage power optimizer - th

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09/12/2016

New Plan to advance national offshore wind strategy announced

National Offshore Wind Strategy Plan

New Plan to advance national offshore wind strategy announced

U.S. Secretary of Energy Ernest Moniz and U.S. Secretary of the Interior Sally Jewell announced the publication of a collaborative strategic plan to continue accelerating the development of offshore wind energy in the United States, the National Offshore Wind Strategy: Facilitating the Development of the Offshore Wi

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09/12/2016

Wildcat Discovery Technologies' rechargeable copper-fluoride tech may more than double battery capacity

Wildcat Discovery Technologies, a technology company using high throughput methods to develop improved battery materials, is pleased to announce that it has been granted three patents from the United States Patent and Trademark Office for its groundbreaking copper fluoride cathode Wildcat calls "CM4".

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09/12/2016

Novel tech may increase Lithium-ion battery capacity up to six times

The capacity of lithium-ion batteries might be increased by six times by using anodes made of silicon instead of graphite. A team from the Helmholtz-Zentrum Berlin (HZB) Institute of Soft Matter and Functional Materials has observed for the first time in detail how lithium ions migrate into thin films of silicon. It

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09/12/2016

Fits and starts in evolution of energy finance

Keith Schneider for CircleofBlue.org

Banks and nations are starting to move from financing high-carbon to investing in low-carbon fuel sources. For example, the World Bank, the second largest multilateral finance institution, says it no longer invests in most coal projects, including new power plants. A select number of governments have also indicated th

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09/08/2016

50A to 300A, Scalable µModule Regulator Needs 60% Less Capacitance to Power Sub-28nm GPUs, FPGAs, ASICs & Processors

µModule® Regulator with Precision DC & Transient Voltage Accuracy for Advanced Digital Devices

50A to 300A, Scalable µModule Regulator Needs 60% Less Capacitance to Power Sub-28nm GPUs, FPGAs, ASICs & Processors

Linear Technology Corporation introduces the LTM4650-1A and LTM4650-1B, dual 25A or single 50A µModule® (power module) regulators scalable to deliver 300A to high power, low voltage sub-28nm GPUs, FPGAs, ASICs and microprocessors. The low core voltage of these digital devices requires very accurate voltage regu

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Date:

09/08/2016

Swiss energy provider EKZ works together with IBC SOLAR

IBC SOLAR is cooperating with the Swiss energy provider EKZ

Swiss energy provider EKZ works together with IBC SOLAR

IBC SOLAR, a leader in photovoltaic (PV) systems and energy storage, is cooperating with the Swiss energy provider EKZ. The focus lies on the distribution of IBC SOLAR’s quality PV components for private customers. This cooperation with one of the largest Swiss energy suppliers is already a success: Fol

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09/07/2016

Germany’s position is challenged as renewable energy demand continues to grow in Europe

Renewable electricity documented with Guarantees of Origin

Germany’s position is challenged as renewable energy demand continues to grow in Europe

The demand for renewable electricity in Europe, documented with Guarantees of Origin (GOs), grew briskly in 2015 – up more than 9% from 2014 and surpassing 343 TWh. “Behind this growth are thousands of businesses and millions of households in numerous European countries – voluntarily purchasing renewable el

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09/07/2016

Driving flyback supplies

Stefan Preimel, Infineon Technologies

Smaller, smarter, and more powerful are market trends for low-power switched-mode power supply (SMPS) applications. Smaller requires the SMPS to have a more compact form factor – and, thus higher power density. Smarter requires intelligent system-to-system/system-to-human communication to ensure the systems are

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09/05/2016

Designing efficient industrial systems

Nazzareno (Reno) Rossetti, Ramesh Giri, and Viral Vaidya, Maxim Integrated

Industrial automation systems are undergoing a revolution to reduce latency and down time. This directly translates to increased profits for factory operators and machine builders. Dubbed Industry 4.0, this effort will add more intelligence across the factory floor from HMI panels and controllers to communication mo

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09/05/2016

A look at Virginia Tech’s Little Box Challenge design

Xiaonan Zhao, Lanhua Zhang and Rachael Born, Virginia Tech

In response to Google’s Little Box Challenge (LBC), our Virginia Tech team, the Future Energy Electronics Center (FEEC), decided to design a power inverter. As shown below, our design significantly surpassed the LBC specifications. Our final design exhibited a power density of 61.2 W/in3, exceeding the LBC goa

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Date:

09/05/2016

Delivering digital in small spaces

Tony Armstrong, Linear Technology

It should come as no surprise to anyone that a the continuing adoption of Digital Power System Management (DPSM) within the communications and computer industries continues to be driven, in large part, to the high current levels demanded by the sub-20nm ASICs and/or FPGAs that are at the core of their sys

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09/05/2016

Inductor investigation

Ray Ridley, Ridley Engineering

Here we’ll show how Spice can be used to provide proximity loss results for magnetics windings. Proximity loss equations are solved for a set of frequencies, and a simulation circuit is generated which predicts the proper AC losses regardless of the current waveform. Inductor winding AC resistance calcul

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09/05/2016

Current-mode control history part V

Ray Ridley, Ridley Engineering

In the last part of this series, we saw that only one of the modulator gains found in the literature can be confirmed with measurements. Furthermore, it is shown that the discrepancies in all the models are easily resolved by proper sampling of the system. Different current-mode modulator models In the

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09/03/2016

Testing the emerging Smart Grid

Ken Christensen, Keysight Technologies

The implementation of the “Smart Grid” is accelerating rapidly. Once just a vision in eyes of power engineers and utilities, the Smart Grid is swiftly taking shape. A major driver in realizing a truly smart electrical grid is the adoption of distributed energy resources (DERs). Grid-connected di

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Date:

09/03/2016

Testing switching power supplies

Wolfgang Bartels, Rigol Technologies Europe

This software, in combination with Rigol oscilloscopes (series DS/MSO2000A, DS/MSO4000 or DS6000) allows customers to set up small test systems, which represent a reasonably priced alternative for measuring switching power supply parameters during the development phase. Switching power supplies are commonly us

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09/03/2016

Evaluating GaN-based power amplifiers

Walt DeMore, Analog Devices

In the last few years GaN based devices, both discrete FET’s and MMIC’s, have been released and widely used in high power microwave amplifier systems. These devices, available from several foundry sources, are typically fabricated on 100mm SiC wafers. GaN on Si processes are also under consideration, ho

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Date:

09/03/2016

The importance of thermal design

Mike Farrer, Technical Director, Stadium Group

Thermal behavior is important to determining the lifetime performance of electronic system design and the power supply is a critical element in determining that behavior. Heat has a number of effects on a system. The most problematic at a system level is one of long-term reliability. High operating temperatures te

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Date:

09/03/2016

Measuring Tiny Resistances Accurately

Phil Ebbert, Riedon

Measuring the resistance of something is a great deal more complicated if that resistance is very small. With bigger resistances, measurements can be as simple as connecting two leads between a digital multi-meter (DMM) and the device under test (DUT) and reading the number. With small resistances, the multitude of

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Date:

09/03/2016

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