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Temporary Fault Ride-Through Method in power distribution system with distributed generations based on power conversion system, and recording medium thereof
Temporary Fault Ride-Through Method in power distribution system with distributed generations based on power conversion system, and recording medium thereof
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机译：基于电力转换系统的分布代分发电系统中的临时故障乘车方法，及其记录介质
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摘要
The present invention relates to a TFRT (Temporary Fault Ride-Through) control method in a distribution system connected to a PCS-based distributed power supply. operating the distributed power supply in an independent operation state by Disconnecting the distributed power source. If the measured three-phase voltage is in a balanced state, it is judged that the fault has been eliminated, and the undervoltage or overvoltage generated according to the ratio of power generation and load is maintained within the operating range of VRT (Voltage Ride Through). In order to cancel the instantaneous inrush current that occurs when the recloser is reclosed after performing the voltage control and the voltage control is performed, the inrush current offset by momentarily increasing and attenuating the current generated in the distributed power supply performing control.
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