Inverters

Expert View: GaN Semiconductors Driving More Efficient Automotive Traction Inverters

December 1, 2021 by Jimmy Liu

Electric Vehicles (EVs) are continuing to grow their share of total vehicle sales as consumers, companies, and governments prioritize automotive electrification. Types of EVs include hybrid electric, plug-in hybrid electric, battery electric, and fuel cell vehicles. Today, EVs commonly use an ac permanent magnet or ac induction motor. A traction inverter is a critical … [Read more...] about Expert View: GaN Semiconductors Driving More Efficient Automotive Traction Inverters

Cost-Effective Arduino-Based SPWM Control of an Inverter for Training

December 1, 2021 by Antonio Menacho, Manuel Blázquez, Pedro Plaza, Elio San Cristóbal, Sergio Martin, Clara Pérez, Manuel Castro, and Ramón Carrasco Borrego

In this work, a cost-effective sine pulse-width modulation (SPWM) control of an inverter has been implemented using Arduino UNO microcontroller, which can be used with various power stages. The proposed model is focused on power electronics training or learning. It allows users to practice the control of an inverter without the need to be in a face-to-face laboratory. The … [Read more...] about Cost-Effective Arduino-Based SPWM Control of an Inverter for Training

Inverter’s Nonlinear Efficiency and Demand-Side Management Challenges

March 1, 2021 by Roghieh A. Biroon, Zoleikha Abdollahi, and Ramtin Hadidi

Renewable energy resources have become an increasingly significant part of power generation for reducing fossil fuel consumption and pollutant emission. Wind and solar energy resources are the most promising options among available renewable energy resources, as they are ever-present, freely available, and environmentally friendly. However, in the presence of renewable … [Read more...] about Inverter’s Nonlinear Efficiency and Demand-Side Management Challenges

A technology revolution is unfolding around us as every major mode of transportation is in some stage of electrification, whether on land, sea, or in the air. All of these transportation modes depend on electric machines that play critical roles in both propulsion systems as well as in a wide variety of accessory equipment. Fuel economy and reduced emissions of greenhouse gases and other pollutants are major driving forces for electrified transportation. Despite the significant differences between these varied transportation modes, they all share strong motivations to make their electric machines and adjustable-speed drives smaller, lighter, and more efficient. An excellent example of this trend for the power electronic drives is provided by comparing the drive units in the Tesla S (2012) and Tesla 3 (2017). As shown in the side-by-side views provided in Figure 1, the drive unit shrank in size from an enclosure that matched the size of its main traction motor to a much smaller unit that, at first sight, appears to be a non-descript end-bell attached to one end of the motor. Rather than focusing here on how this impressive reduction in mass and volume was achieved (addressed later in this article), the key point here is that similar technology trends are under way in many of the other transportation modes as well, making electrified transportation increasingly appealing and competitive in the process.

Expert View: GaN Semiconductors Driving More Efficient Automotive Traction Inverters

Cost-Effective Arduino-Based SPWM Control of an Inverter for Training

Inverter’s Nonlinear Efficiency and Demand-Side Management Challenges

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