Abstract：In order to overcome the excitation problem of three-stage synchronous machine used as starter for the engine cranking, this paper presented a novel three phase open-winding structure of the main exciter for the proposed machine with the dual-inverter for supplying the integrated AC and DC excitation power. The operation principle of the dual-inverter and the control method of the three-phase AC excitation and DC excitation were analyzed in detail and the selection basis of the AC excitation frequency and the switching point were derived by the characteristics of the main exciter. Then, the simulation and experiment results verify that the integrated AC and DC excitation control strategies could supply steady excitation current and smooth switching process from AC to DC excitation for the proposed machine.
魏佳丹, 杨溢炜, 周波, 张坤. 三级式同步电机起动过程交直流励体化控制[J]. 电工技术学报, 2015, 30(10): 138-146.
Wei Jiadan, Yang Yiwei, Zhou Bo, Zhang Kun. The Integrated AC-DC Excitation Control Method for the Three-Stage Synchronous Machine in the Starting Processing. Transactions of China Electrotechnical Society, 2015, 30(10): 138-146.
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