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Simulation Study on Commutation Leading Angle Control of Static Frequency Converter for the Startup of Large-scale Synchronous Condenser

机译:大规模同步冷凝器启动静态变频器施加领导角控制的仿真研究

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Static frequency converter is widely used in startup of large-scale synchronous condensers. In high-speed stage, the inverter on the machine side adopts natural commutation, and the commutation leading angle β is usually set 60°. However, it restrains quick startup. In this paper, a control method of commutation leading angle β is proposed to reduce the startup time. For control of β, the arc extinguishing angle γ, the load angle δ , and the thyristor commutation overlap angle μ are calculated. According to the simulation result of startup in Matlab/Simulink, the effectiveness of the proposed method is verified.
机译:静态变频器广泛用于大型同步冷凝器的启动。在高速级,机器侧的逆变器采用自然换向,换向角度β通常设置60°。但是,它限制了快速启动。本文提出了一种换向角度β的控制方法,以减少启动时间。为了控制β,弧形灭火角γ,负载角δ和晶闸管换向角μ。根据Matlab / Simulink中启动的仿真结果,验证了所提出的方法的有效性。

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