负载换流 由负载提供换流电压称为负载换流（Load Commutation） 条件（p133）：负载电流相位超前于负载电压的场合，都可 实现负载换流，负载为电容性负载时，负载为同步电动机 时，可实现负载换...
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In this paper, it is mainly introduced the electrical principles of soft -start inverter with load commutation on synchronous machine, and described the general models of synchronous machine.
文中主要介绍了同步电机负载换相变频软启系统的电气原理。
The electrified railway is a fluctuating high- power single- phase commutation load, which may threat power sys-tem security operation.
电力机车为波动性很大的大功率单相整流负荷，可能威胁电力系统的安全运行。
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