考虑漏磁效应的新型磁控可调电抗器的磁路建模和特性

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Abstract In order to extend the operating range and maintain the linear control characteristics, a new type of saturable-core controllable reactor(SCCR) is designed and researched based on the theory of magnetic amplifier. An air gap is inserted in the ferromagnetic core to improve the linearization of the saturation characteristics. The magnetization mechanism and characteristics are studied. The magnetic flux distribution of the reactor is analyzed by using the three-dimension finite element method (FEM). On the basis of above research, the equivalent magnetic circuit model is built incorporating the magnetic flux leakage. The linear operating range of the new type of SCCR is increased and the capacity of DC source connected to the SCCR is also reduced. The simulation is compared with the prototype test results. The research results show that the equivalent magnetic circuit model is accurate. This has reference value in the design and application of the new saturable-core controllable reactor.

Key words： Saturable-core controllable reactor finite element analysis magnetic circuit model leakage magnetic flux effect controlling characteristics

Received: 20 August 2014 Published: 14 April 2015

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TM315

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	Lin Keman
	Li Nian
	Lin Mingyao
	Wan Qiulan

Cite this article:

Lin Keman,Li Nian,Lin Mingyao等. Magnetic Circuit Modeling and Characteristics of a New Type of Saturable-Core Controllable Reactor with Flux Leakage Effect[J]. Transactions of China Electrotechnical Society, 2015, 30(2): 114-121.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2015/V30/I2/114

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