The phenomenon of CVT faults resulting in secondary side voltage harmonics, voltage unbalance or transient disturbance was analyzed in this paper.
就三个变电所CVT故障或异常导致的二次回路电压出现了谐波、三相不平衡及暂态扰动等现象分别进行了分析。
Several issues of power quality are presented, including harmonics, reactive power, three phase unbalance, large difference between peak load and vale load, voltage disturbance and so on.
第一章简单介绍了目前电网存在的几种问题，包括谐波问题、无功问题、三相不平衡问题、用电峰谷差过大的问题以及电压异常、断电问题等；
The influence of the harmonics on DC side is mainly the disturbance on telecom lines.
换流站直流侧谐波的影响主要体现为对与直流输电线路邻近的通信线路的干扰上。
The influence of the harmonics on DC side is mainly the disturbance on telecom lines.
换流站直流侧谐波的影响主要体现为对与直流输电线路邻近的通信线路的干扰上。
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