Energy Efficiency

August 2021
A Novel Analog Processor for High-Performance Computing

Researchers at the George Washington University have developed a nanophotonic analog accelerator to solve challenging engineering and science problems, known as partial differential equations, in fractions of a second.

Analog photonic solutions offer unique opportunities to address complex computational tasks with unprecedented performance in terms of energy dissipation and speeds, overcoming current limitations of modern computing architectures based on electron flows and digital approaches. In a new study published today in the journal Nature Communications Ph
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Date:
08/30/2021

What you Need to Know About Trimming the Output Voltage of a Power Supply

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Figure 1: Power supply output voltage is trimmed so that power supply voltage = desired load voltage + total conductor impedance voltage drop

What is Trimming and How is it Used? Trimming the output voltage of a power supply simply means adjusting the voltage by a small amount. By convention, the term trimming is used for applications where the power supply has a specified nominal output voltage and the user is able to change the output voltage
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Date:
08/30/2021
Lazer Spot and Orange EV to Deploy 25+ Electric Yard Trucks
Orange EV, has announced a multi-year agreement with Georgia-based Lazer Spot, Inc. to manufacture and deliver more than 25 EV trucks in 2021 and 2022. Lazer Spot, the largest yard management firm in the U.S., sought a mature EV partner that could deliver a fleet of zero emission EV yard trucks that could be
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Date:
08/26/2021
RWE's Cassadaga Onshore Wind Farm in Operation
Silvia Ortín, CEO Wind Onshore and PV, RWE Renewables: "Cassadaga marks another major accomplishment in our expansion of renewable energy in the U.S. market. As one of the leading onshore wind companies our strategy for renewables is geared for growth. We look forward to providing clean energy and lo
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Date:
08/26/2021
PSDcast – Capturing the Power of the Ocean

C-Power CEO Reenst Lesemann

Along with Vicor, C-Power helped develop a new version of their autonomous offshore power systems called SeaRay.
Date:
08/26/2021
The World's Largest Battery Energy Storage System
LG Energy Solution and Vistra Corp. celebrated the completion of the 400MW/1.6GWh Vistra Moss Landing Energy Storage Facility in Monterey County, CA, at a Media Day on 19 August, 2021. Representatives from California ISO, Pacific Gas and Electric Company, Vistra, Burns & McDonnell and LG Energy Solution as well as
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Date:
08/20/2021
PSDcast – A New 120 kW Solar Inverter

Magnus Asbo, Senior Director of Technical Product Management at SolarEdge

Today, we’re taking a closer look at a new development by SolarEdge, a leading global smart energy leader, whose Energy Hub Inverter previously won an Innovation Trophy at the 2021 Sustainability Awards.
Date:
08/17/2021
Emerson Helps Alaska's Largest Wind Farm w/ Affordable Clean Energy

Emerson’s modernization of Golden Valley Electric Association’s Eva Creek wind farm automation technology and software increases the reliability of low-cost, clean energy generation for customers in northern Alaska.

Emerson announced the completion of a digital transformation project to increase the reliability of clean energy generation at Golden Valley Electric Association’s (GVEA) Eva Creek wind farm. The project improves the management of Alaska’s largest wind farm. Rural Alaskan communities are on the fr
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Date:
08/09/2021
PSDcast – How Much Power Does

Y. Charlie Hu, Michael and Katherine Birck Professor of Electrical and Computer Engineering at Purdue University.

The generally accepted wisdom is that your phone’s “dark mode” saves a bunch of power. But according to a new study at Purdue University, for most people, the actual power savings are microscopic.
Date:
08/09/2021
To EV, or to HEV: That is the Question
As the transportation sector becomes electrified, many consumers remain conflicted about buying a new car that is fully electric vehicles (EVs). Whether warranted or based on misconceptions, concerns about EVs are slowing their adoption. Fortunately for automotive suppliers–and power electronics engineers–hybrid el
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Date:
08/02/2021
Powering EVs and Returning to Normal
The public side of design engineering is very slowly returning to normal. COVID infection rates are plummeting, people are returning to work (at the office), and large public gatherings are a thing again. Kinda sorta. We all watched a favorite sports team quarantined in a “bubble” or play out a whole s
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Date:
08/02/2021
Automotive USB 2.0 and a 5 V, Type-C Solution for Charging

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Figure 1. Automotive USB charger block diagram

USB charging ports have become an essential part of the modern vehicle infotainment system. Passengers are increasingly accustomed to connecting their vehicle’s electrical system to both power their portable devices and, conversely, use those devices for a variety of vehicle information and entertainment functions. To
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Date:
08/01/2021
How DC Fast Charging Applications are Boosting EV Car Adoption

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Figure 1: When it comes to charging EVs, there are several methodologies depending on the operating paradigm and available infrastructure

The current generation of Electric Vehicles (EVs) can accept electricity at a much faster rate than previous models, to the extent that current charging stations can’t handle the vehicles' ability to accept a charge.  Unfortunately, many legacy chargers are AC-driven systems, with only a fraction of existin
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Date:
08/01/2021
Eliminate the 12V Battery and Increase EV Performance

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Figure 1: Transient test comparison: 48V-to-12V at 75A compared to a 12V battery. The Vicor NBM2317 power module response to a 50A load is three times faster than a standard 12V battery

Look under the hood of an electric vehicle and you may be surprised to find a conventional 12V lead-acid battery, or an additional 48V battery. You may wonder why does an EV need a conventional battery when there’s a 400V or 800V battery already in the vehicle to power the motors? Today the 12V or 48V batteries po
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Date:
08/01/2021
Extending Wireless Charging to Higher Power Applications

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Figure 1: Conventional Wireless Charger Design

While cable-free charging based on standards such as Qi has become commonplace for small, portable devices there have traditionally been challenges in taking wireless up to higher power levels. Now that is set to change with emerging technologies that not only overcome the limitations of conventional wireless st
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Date:
08/01/2021