Minimizing Power Loss in a Flywheel Energy Storage System Using Closed Loop for EV Applications
P. Kavitha, K.S. Kavin, P. Subha Karuvelam, P. Malathi
Flywheel, Zero Voltage Transition (ZVT), Zero Current Transition (ZCT), Fast turn Off SCR, Energy storage.
Energy storage devices play an important role in the field of Power Electronics. The most common device that we use today is the battery. Recently Flywheels have become an alternative to batteries. The flywheels store energy as rotational energy which can be later released as electrical energy. They have many advantages over the conventional storage systems and hence have found application in several areas. Switching loss is a main problem in all energy storage systems. In this paper, we present a topology with a combination of fast turn-off Silicon Controlled Rectifier (SCR) and Insulated Gate Base Transistor (IGBT) to achieve zero switching losses through Zero Voltage Transition (ZVT) and Zero Current Transition (ZCT) techniques. It ensures zero switching power loss for both buck and boost modes of operation. The system is simple and achieves ZSPL during both turn on and turn off of the device resulting in improved efficiency and reduced EMI problems.
Article Details
Unique Paper ID: 157534

Publication Volume & Issue: Volume 9, Issue 7

Page(s): 539 - 541
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