Study on "Steam-Electric Double Drive" System Motor Transient Performance
Abstract
With the development of "steam-electric dual-drive" system in China's factories, it is necessary to understand the performance of the motor and improve the stability of the system. This paper is based on Ansoft software, using field-circuit coupling method for the transient performance of induction motor in the system are analyzed. This paper is based on the three-phase asynchronous motor-generator of Suqian "steam-electric double drive" in Jiangsu province, which is 6800kW, 750r/min. Getting data from three different conditions: racing start, fan load start, big load analysis respectively. Simulate the motor switched from the state of the motor to the state of generator. To obtain the three-phase asynchronous motor in different stages of instantaneous starting current, electromagnetic torque, the air gap flux density and other electrical parameters. The transient performance of the asynchronous motor and the corresponding electromagnetic field distribution are analyzed.
Keywords
Three-phase asynchronous motor-generator, Field-circuit coupling, Transient analysis
DOI
10.12783/dtetr/ecar2018/26325
10.12783/dtetr/ecar2018/26325
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