Study of the Two-Phase Operation Mechanism of Three-Phase Motors Based on LC Phase Shifting Method

Zai Ping Zheng; Yu Ping Huang; Yue Zhong; Hong Xing Wu

doi:10.4028/www.scientific.net/AMM.741.714

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 741Study of the Two-Phase Operation Mechanism of...

Study of the Two-Phase Operation Mechanism of Three-Phase Motors Based on LC Phase Shifting Method

Abstract:

In the absence of three-phase power supply, it has certain practical significance to connect the three-phase induction motor to the single-phase power supply for single phase operation. This paper analyzes the asymmetric circuit system of the motor by the method of symmetrical components-Lc phase shifting, disassembles the voltage and current of the three-phase motor stator winding into three groups of symmetrical components: positive sequence, negative sequence and zero sequence. We derivate and analysis the LC phase shifting method to simulate and validate the Lc phase shifting method theory, deduce the formula for calculating of optimum external capacitance and inductance, simulate and calculate all kinds of single phase operation method, finally we use the simulation software to simulate and validate three-phase induction motors single phase operation.

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Periodical:

Applied Mechanics and Materials (Volume 741)

Pages:

714-719

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.741.714

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Online since:

March 2015

Authors:

Zai Ping Zheng*, Yu Ping Huang, Yue Zhong, Hong Xing Wu

Keywords:

LC Phase Shifting Method, Single-Phase Operation, Three-Phase Induction Motor

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