Smart Power Grid

September 2015

Real estate firms significantly reduce energy consumption in buildings

Over the past year, global real estate firms have reduced energy consumption in buildings by the equivalent of almost 280,000 barrels of oil and cut carbon emissions by the equivalent of removing 25,000 cars from the road, according to the Greenprint Performance Report: Volume 6, released by the ULI Greenprint Ce

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Date:

09/30/2015

Core Loss Modeling – Part I

Dr. Ray Ridley, President, Ridley Engineering

As modern power converters move towards higher efficiencies, it is essential to have better models for all of the loss mechanisms in your components. We have talked about winding loss effects in several articles. Magnetics core loss modeling is an area that needs improvement. Magnetics B-H Loops As freq

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Date:

09/26/2015

Evolving eGaN FETs for power electronics

Johan Strydom, Efficient Power Conversion

When I started working with eGaN FETs almost six years ago, I had no idea what to expect from this technology. We had our first preliminary datasheet and even though I had no idea what to expect, it was obvious that, on paper, these devices were much better than your typical MOSFETs – already beyond the theoretical si

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Date:

09/26/2015

Selecting primary-side MOSFETs for LLC resonant converters

Wonsuk Choi, Fairchild Semiconductor

Today’s industrial applications demand power supplies capable of delivering ever-higher levels of power density. That trend is escalating as regulatory agencies around the world impose new regulations to achieve higher efficiency, not only at full load, but also in standby mode and across the entire load spectrum. To

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Date:

09/26/2015

System optimization – less is more

Björn Rentemeister and Uwe Jansen, Infineon Technologies

The “Energiewende” (energy transition) has resulted in a shift in thinking not only about the generation of electrical energy, but its distribution and consumption as well. Efficient approaches are needed for energy production and transfer on the one hand, and consumption on the other. What plays a role he

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Date:

09/26/2015

Addressing power dissipation and density issues

Maithil Pachchigar, Analog Devices

Many applications in industrial, instrumentation, optical communication and healthcare industry use multi-channel data acquisition systems that result in increased printed circuit board (PCB) density and thermal power dissipation challenges. The need for increased channel density in these applications is

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Date:

09/26/2015

Balancing lead-acid batteries

Aspiyan Gazder, Linear Technology

Lead-acid batteries are widely used in a broad range of industries and applications. The telecom industry uses a series stack of four lead-acid batteries to provide a 48V stack. Energy storage solutions (ESS) use lead-acid batteries in a variety of series and parallel configurations to store energy generated by

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Date:

09/26/2015

Signal Transformer's M4L international power isolation transformers are certified to an array of safety standards

M4L Series International Power Isolation Transformers

Signal Transformer's M4L international power isolation transformers are certified to an array of safety standards

Signal Transformer, a division of Bel Fuse, announced that its high efficiency M4L Series of International Power Isolation Transformers has expanded its certification to numerous UL Safety Standards, including UL 60601-1 (medical electrical equipment). The 12-part series offers OEMs the ability to streamline ac

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Date:

09/24/2015

Collicutt Energy's Mark Michaelson wins ESGA's TOYA Award

Collicutt Energy Services, a leading provider of power generation systems in the West, is proud to announce its generator technician, Mark Michaelson, has won Electrical Generating Systems Association’s (EGSA) coveted Technician of the Year Award. In its sophomore year, this award showcases and honors the EG

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Date:

09/24/2015

Exploring energy monitoring

Christopher Gobok, Linear Technology

Energy is often defined as the amount of power consumed over time, measured in joules (J) or kilowatt-hours (kWh), whereas power is a constant rate of energy usage, measured in watts (W). Thus, while a power rating is typically used to indicate how much electricity a device will consume at a snapshot in ti

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Date:

09/17/2015

GaN Systems to showcase high current 650V, 100A GaN power transistors at ECCE ’15 in Montreal

GaN Systems, a leading developer of gallium nitride power switching semiconductors, is displaying its latest GS66540C 650V 100A high current GaN power transistor at ECCE’15, the IEEE Energy Conversion Congress & Expo in Montreal, September 20 – 24. As a Canadian technology company, GaN Systems is delighted to

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Date:

09/16/2015

Increasing density in power modules

James Lougheed and Alan Elbanhawy, Exar

The power module market has seen explosive growth in the past few years. With growth rates of roughly 30% compounded annually, it’s a trend that many people are watching. Power modules are a new breed of products in the market that are LGA or QFN based, closed frame power supplies that include the controller, dr

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Date:

09/16/2015

PCIM Asia 2016 Call for Papers now open

The call for papers for PCIM Asia, an important application-oriented conference for power electronics in China, is online. Take your chance and present your solutions and know-how at this international event. At this conference you will meet a high-quality international audience interested in your developments an

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Date:

09/10/2015

SolarEdge launches HD-Wave solar inverter technology

SolarEdge Technologies, a global leader in PV inverters, power optimizers, and module-level monitoring services, introduces its HD-Wave inverter technology. Based on its track record of optimized PV solutions, SolarEdge has developed a novel power conversion topology that represents one of the most significant le

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Date:

09/10/2015

TE Connectivity’s dual-wall heat-shrink tubing meets UL VW-1 flammability spec

DWFR dual-wall heat shrink tubing

TE Connectivity’s dual-wall heat-shrink tubing meets UL VW-1 flammability spec

TE Connectivity introduced the DWFR (dual wall, fire-retardant) product line – its first dual wall heat shrink tubing products to be rated for the UL VW-1 flammability test specified by the UL 224 standard. The DWFR tubing products’ highly flame retardant polyolefin jacket and a thermoplastic inner adhesive wa

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Date:

09/09/2015

Mitsubishi Electric launches SUMMIT Series UPS

SUMMIT Series UPS

Mitsubishi Electric launches SUMMIT Series UPS

Mitsubishi Electric, an industry leader in designing and manufacturing reliable, environmentally friendly uninterruptible power systems (UPS), announced its latest three-phase UPS, known as the SUMMIT Series. This new UPS incorporates SiC (silicon carbide) semiconductors, the next generation of power modules, re

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Date:

09/07/2015

Maximizing energy efficiency in the IoT

Markus Levy of EEMBC and Rob Cosaro of Freescale

The Internet of Things (IoT) represents a class of devices referred to as edge nodes; these require a battery life ranging from weeks to months to decades. An edge node typically contains a microcontroller to perform processing (e.g. encryption, compression, error correction, protocol stack), in addition to a

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Date:

09/02/2015

A look at PSRR and low-performance control loops

Dr. Ray Ridley, President, Ridley Engineering

Modern power converters are moving towards high efficiency, high density, and high switching frequencies. Vendors of power supplies are doing an outstanding job of meeting these goals with a range of new technologies. At the same time, despite the use of advanced control chip technology, many control loops have su

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Date:

09/01/2015

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