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叙述了一种电力系统谐波在线监测系统的原理及设计,着重介绍了以谐波含量总有效值为触发量的设计和采用的跟踪系统频率变化的同步采样电路以及无源电磁耦合隔离型传感器,最后还给出了在实际电力系统中的监测结果。
The principle and design of a power system harmonic online monitoring system are described. The design of the total rms value of the harmonic content and the synchronous sampling circuit of the frequency variation of the tracking system are introduced. The passive electromagnetic coupling isolation sensor Finally, the monitoring results in the actual power system are given.