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Energy Efficiency

 



 

 

Energy Efficiency

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Osram's OSLON Square LEDs Now Available from Rutronik
PLANO, TX – Rutronik, Inc. has announced the availability of Osram’s OSLON Square Series LEDs, a family of compact high-power LEDs that deliver superior performance in a wide range of high-density lighting applications.   Designed for both indoor and outdoor general lighting applications,
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Date:
12/13/2018
Chip Resistors Deliver Industry-Leading TCR Characteristics
Kyoto and Santa Clara, Calif. –  ROHM announced the availability of a new lineup of high power wide terminal thick-film chip resistors (10-910mΩ), LTR50 series, ideal for current detection in a variety of applications, including inverters, AC, and energy-efficient appliances. A thorough review
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Date:
12/13/2018
Challenges of SiC for Automotive Applications

Figure 1. IGBT’s and Discrete Diodes

(Be sure to check out our PSDcast with ROHM on the same topic here: https://www.powersystemsdesign.com/articles/psdcast-the-formula-e-electric-racing-series/35/13290) Two of the biggest
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Date:
12/11/2018

Trump Wants to Pump the Brakes on Auto Emissions Standards
President Trump wants to freeze Obama-era CAFE standards, potentially setting up a major clash for the 2020 elections. Obama’s Corporate Average Fuel Economy (CAFE) standards, enacted in
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Date:
12/10/2018
Enhancing EV Ecosystems Through Efficient Power Conversion

EV charging

Today’s hybrid and fully electric vehicles (EVs) are still in the early stages of the iterative process of innovation. Several generations of hybrid vehicles have been introduced to market and improved through a combination of technology advances and user feedback. A number of vendors now market competent
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Date:
12/10/2018
Ultra-Compact Secondary Automotive Buck DC/DC Converters

Figure 1: Example System Configuration

ROHM has recently launched the BD9S series of secondary synchronous Buck DC/DC converters qualified to AEC-Q100 for automotive applications. These offer high reliability and low power consumption in a compact form factor. This makes them very suitable for applications like radars, cameras and sensors which can
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Date:
12/10/2018
Overcoming Poor Power Quality in Small Spaces
For years, the adoption of electric vehicles (EVs) has been marred by a slow diffusion of innovation among consumers. Probably the most obvious problem is that buyers have been apprehensive of the high initial cost of buying EVs, as well as the total cost of owning an electric vehicle over the course of its
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Date:
12/10/2018
Mild Hybrid Vehicle Solutions Address Emissions Challenge

Figure 1. A Typical 48V Mild Hybrid System Electrical Topology

With the very recent reassertion by scientists that the current trajectory for reducing the rate of global temperature increases is simply not good enough, there is now even greater pressure to reduce vehicle emissions of CO2 gasses. The best way of achieving this is through a reduction of the average
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Date:
12/10/2018
Photocathodes With High Quantum Efficiency

Photocathode after its production in the preparatory system.

Teams from the accelerator physics and the SRF groups at HZB are developing a superconducting linear accelerator featuring energy recovery (Energy Recovery Linac) as part of the bERLinPro project. It accelerates an intense electron beam that can then be used for various applications - such as generating brilliant
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Date:
12/07/2018
VALENCIA, CA - H2scan announced the Gen 5 System, a first of its kind hydrogen sensor package that offers the high accuracy, small size, and low cost needed to help utilities monitor and protect their distribution transformers. Electronics for the Gen 5 System are consolidated onto
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Date:
12/07/2018
Fighting Smog Supports Solar Power

Milky, gray smog shrouds many of the valleys and lowlands of eastern China in January 2017. The orange star marks the location of Beijing.

The air in Beijing is often very bad. The city sinks under a brown cover made of exhaust gases from industry, cars and coal fires, which blow a lot of harmful particulate matter, soot, sulfur dioxide and nitrogen oxides into the air. The dirty air causes massive damage to human health. According to
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Date:
12/06/2018
Blast to the Future

Principal investigator Subramanian Sankaranarayanan (left), and co-principal investigators Mathew Cherukara (center), Henry Chan (right) and Badri Narayanan (not pictured) are developing a new machine learning based software that will enable industry to more quickly and efficiently perform the molecular dynamics simulations they need to vet the performance of new materials for their products.

Discovering and designing new materials is frequently an expensive and time-intensive process. To speed it up and create new materials for everything from aeronautics to wind turbines, scientists have begun to rely on complex modeling and simulation platforms. Thanks to a new grant from the U.S. Department
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Date:
12/05/2018
A Step Closer to Fusion Energy

Researchers have moved a step closer to harnessing fusion energy by showing how imaging enables better testing of components for devices.

Harnessing nuclear fusion, which powers the sun and stars, to help meet earth's energy needs, is a step closer after researchers showed that using two types of imaging can help them assess the safety and reliability of parts used in a fusion energy device. Scientists from Swansea University, Culham
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Date:
12/05/2018
High-Voltage GaN Exhibits 33 Percent More Power Output
GOLETA, Calif. — Transphorm Inc., along with solar energy innovator Inergy and design partner Telcodium Inc., announced that the upcoming Inergy Kodiak Extreme uses high-voltage GaN to reimagine what’s possible
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Date:
12/05/2018
Aluminum Nitride to Extend Life of Solar Power Plants

NUST MISIS scientists together with their colleagues from the Central Metallurgical R&D Institute (Cairo, Egypt) have developed a composite material which will extend the life of solar towers -- installations for collecting Solar thermal energy -- from 2-3 to 5 years. The research article has been published in the Renewable Energy journal.

Today, solar power plants (SPP) are becoming increasingly popular, making it possible to collect and process solar energy on an industrial scale. So-called solar towers are among the most promising types of SPPs. This is a special structure that is a high tower with a water tank and a turbine system inside.
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Date:
12/04/2018
Full of Energy

(Left to right) University of Utah electrical and computer engineering assistant professor Sriram Krishnamoorthy, associate professor Mike Scarpulla, and assistant professor Berardi Sensale-Rodriguez have received a $1.88 million grant to study the properties of gallium oxide as a semiconductor for more efficient power converters. The material could prove to be much more efficient, losing less heat and providing longer power to devices such as drones or all-electric planes, trains and buses.

Electricity as a form of energy is not exactly efficient because much of it is lost as heat. Or as University of Utah electrical and computer engineering associate professor Mike Scarpulla says: "Heat is the universe's garbage can for energy." Inside power systems, converters and electronic
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Date:
12/04/2018
The Power and Evolution of GaN - Part 3

Click image to enlarge

Figure 1: Overview of a typical LIDAR system

How to Build an Ultra-Fast High-Power Laser Driver using eGaN® FETs - That Sees Farther, Better, and at a Lower Cost! In the first article in this series, how
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Date:
12/02/2018
Precision Power Analysis

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Figure 1: Measuring power-train efficiency in an electric vehicle, showing four DC measurements (1 to 4) with the corresponding mechanical power measurements (M1 to M4)



In the rapidly evolving area of power electronics, the need for reliable testing to enhance safety, efficiency and performance has never been greater. In sectors as diverse as renewable energy, electric vehicles and energy-efficient technologies, changing application needs and evolving industry standards call
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Date:
12/01/2018

 



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