Simulation Studies of Energy Recovery in a BLDC Motor-Based Kinetic Energy Storage

Patryk Gałuszkiewicz (), Zbigniew Gałuszkiewicz and Janusz Baran
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Patryk Gałuszkiewicz: Faculty of Electrical Engineering, Częstochowa University of Technology, 42-200 Częstochowa, Poland
Zbigniew Gałuszkiewicz: MEGATECH Technology, Częstochowa University of Technology, 42-200 Częstochowa, Poland
Janusz Baran: Faculty of Electrical Engineering, Częstochowa University of Technology, 42-200 Częstochowa, Poland

Energies, 2022, vol. 15, issue 20, 1-20

Abstract: This paper presents research conducted on the development of an innovative system to increase the amount of energy recovered from a high-speed kinetic energy storage based on a three-phase permanent magnet brushless (PM BLDC) motor/generator (mogen) with a flywheel-shaped rotor, compared to the efficiency obtained for standard solutions with power electronics systems. This kinetic energy storage is currently under development. In the system presented in the paper, the regulated DC output voltage of the 6T thyristor bridge is controlled with a tolerance within ±10% of the reference voltage for a variable power load. The input voltage of the rectifier is a three-phase trapezoidal-shaped voltage from the rotating mogen, whose amplitude can vary from 0 to 650 V and frequency from 0 to 250 Hz voltage. The article presents example results of simulation tests of the mogen-based kinetic energy storage model with the thyristors’ firing angle control system. As part of the research, a prototype of the rectifier was built on a laboratory scale, to confirm the validity of the assumptions regarding the synchronization and control method of the bridge using a new design of the thyristor gate drivers.

Keywords: flywheel energy storage; Simulink; rectifier; 6T thyristor bridge; mogen; PM BLDC motor; hall sensor (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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