Abstract
A large number of harmonics will be generated in the process of transforming high frequency and high voltage alternating current (AC) into a constant frequency and constant voltage through a power conversion system when the high-speed motor is used as a generator. The phase-shifting reactor is used to eliminate harmonics for high-speed generator power conversion systems, and LCL filter and adjustable inductance filter are used to eliminate harmonics for high-speed motor power supply system in this paper. The adjustable inductance filter can adjust the inductance value in time according to the change of the output frequency of the inverter. The results verify the effectiveness of the methods used, and provide a theoretical basis for the wide application of high-speed motor by simulation.
Highlights
At present, with the invention of new materials, it has become possible to design different types of new motors to accomplish special purposes, and high-speed motors are one of them
It is very important to research methods to eliminate the current harmonics of high-speed generator power conversion system and high-speed motor power supply system
3.2 The Square Wave frequency converter with adjustable inductance filter is used to eliminate the current harmonics of the power supply system when the high-speed motor changes speed If the speed of the high-speed motor is constant, the low-order harmonic current can be reduced by adding a specially designed LC filter at the output of the inverter as described above
Summary
With the invention of new materials, it has become possible to design different types of new motors to accomplish special purposes, and high-speed motors are one of them. 3.2 The Square Wave frequency converter with adjustable inductance filter is used to eliminate the current harmonics of the power supply system when the high-speed motor changes speed If the speed of the high-speed motor is constant, the low-order harmonic current can be reduced by adding a specially designed LC filter at the output of the inverter as described above.
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