In this article I’ll be giving an overview of that most important of power electronics components: the semiconductor switch. I’ll first address what a switch is, and then delve into some of the more important compromises and shortcomings that exist in real-world switches that engineers must contend with when designing chargers, motor controllers, DC-DC converters… Read more »
Search Results Found For: "demand charge"
June plug-in sales: Fusion Energi powers into second place
The US auto industry had another stellar month in June, as sales rose at the fastest pace since 2006. At 11,893 units, plug-in sales saw a slight drop compared to May (12,053), but a healthy increase over last June (8,292). The Nissan LEAF held onto its lead with monthly sales of 2,347 units, although that… Read more »
University of Delaware to offer BMW Mini-E EVs for lease in V2G project
The University of Delaware is making a small number of BMW Mini-E EVs available for lease as part of an ongoing vehicle-to-grid (V2G) demonstration project. “Individual drivers are now needed to expand the demonstration over a wider range of driving patterns,” said project leader Willett Kempton. The Grid on Wheels program will lease the vehicles… Read more »
Tesla battery swapping: dead, or just delayed?
It was one year ago that Tesla introduced its battery swapping technology in a theatrical presentation, with lights flashing and music thumping. At the time, Elon Musk said that the company planned to make swapping available as soon as the end of 2013, and eventually install the capability at every Supercharger station. In early 2014… Read more »
EV Connect wins contract for 100 charging stations in New York State
The New York Power Authority (NYPA) has awarded EV Connect a four-year, $1,568,000 contract to install and manage more than 100 EV charging stations in 37 locations throughout New York State. EV Connect’s open charging network will provide payment processing, real-time monitoring, electricity usage data, demand response capabilities and tech support. Locations include public parking… Read more »
May plug-in sales: LEAF, Prius and Fusion Energi surge, BMW i3 makes strong debut
Cars were burning rubber off dealers’ lots all over the US in May, as five sunny weekends gave the typically strong month an extra boost. Overall auto sales were up 11% compared to May 2013, a nine-year high. Plug-ins rode the trend, setting an all-time monthly record – 12,053 Americans charged up new cars in… Read more »
Panasonic expects to be the sole manufacturer in Tesla Gigafactory
Tesla’s Gigafactory will be a game-changer for the automotive industry, and as Tesla’s main battery supplier, Panasonic will be a key participant. As prospects for the massive battery plant have brightened and dimmed, not only the EV press but the major news outlets have been following the saga with keen interest. The latest news is… Read more »
GM makes 401 EV charging stations available to employees
General Motors has installed 401 electric vehicle charging stations at its US production and business locations, in response to employee demand. Most are located at GM’s large engineering and corporate facilities in Michigan, where employee EV ownership is growing steadily. Charging is available free to GM employees and visitors. More than 20 percent of the… Read more »
Airbus to produce electric aircraft, envisions hybrid regional airliner
The sky’s the limit for electrified transportation. European aircraft manufacturer Airbus has a vision of a hybrid 80-90-seat regional airliner that would have high-density energy storage in the wings, and a kerosene or biofuel generator to quickly recharge the batteries on the ground or in flight. An electric-powered turboprop airliner could be operated at a… Read more »
Brammo CEO Craig Bramscher on the future of the leading electric motorcycle company
Electric motorcycles are one of the most interesting stories in the EV world today, both because of their recent impressive accomplishments on the racetrack and because of the future potential for high-volume sales, especially in international markets. Ashland, Oregon-based Brammo is one of the leading makers of two-wheeled EVs, and its story has much in… Read more »
