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Analytical Expression on Transient Overvoltage Peak Value of Converter Bus Caused by DC Faults
IEEE Transactions on Power Systems ( IF 6.6 ) Pub Date : 2021-03-01 , DOI: 10.1109/tpwrs.2021.3062218
Chunya Yin , Fengting Li

This letter proposes an analytical expression on transient overvoltage peak value caused by DC blocking (DCB) and commutation failure (CF). The proposed method can obtain the transient overvoltage risk without modeling the complex AC/DC hybrid system. The method only requires the equivalent parameters of the AC system and the operation parameters of the DC system to effectively calculate the overvoltage without using the dynamic simulation software. The simulation results verify the effectiveness and correctness of the proposed method.

中文翻译:

直流故障引起的换流器母线暂态过电压峰值的解析表达式

这封信提出了由直流阻塞(DCB)和换向失败(CF)引起的瞬态过电压峰值的解析表达式。所提出的方法无需建模复杂的AC / DC混合系统即可获得瞬态过电压风险。该方法仅需使用交流系统的等效参数和直流系统的运行参数即可有效地计算过电压,而无需使用动态仿真软件。仿真结果验证了该方法的有效性和正确性。
更新日期:2021-04-20
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