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What is Torque Cancelation

Chapter 4
Developing Charging Infrastructure and Technologies for Electric Vehicles
The mitigation or complete cancelation of the unwanted torque produced on the traction motor shaft because of the current flowing through the motor windings during the charging operation.
Published in Chapter:
Integrated Battery Chargers: Challenges and Opportunities in Design and Infrastructure
Syed Qaseem Ali (Quanta Technology, Canada), Geza Joos (McGill University, Canada), and Chu Sun (Beihang University, Canada)
Copyright: © 2022 |Pages: 28
DOI: 10.4018/978-1-7998-6858-3.ch004
Abstract
Integrated battery chargers (IBCs) have been proposed as a low-weight, low-volume, and high-power solution to conventional conductive chargers. However, the design of such chargers is complicated, requiring special components or control techniques to solve inherent issues (such as galvanic isolation, torque generation, and system reconfiguration) associated with their design. Solutions vary based on charging power, drive topology, and motor technology. This chapter introduces designs for IBCs, including solutions as proposed in the literature. It also presents challenges in their industrial adoption. Finally, the chapter presents opportunities for fleet charging applications using IBCs.
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