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关于电容式电压互感器暂态过程的研究 被引量:3

Short-Circuit Transient Response characteristics of Capacitive Voltage Transformer
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摘要 用EMTP程序对国产某330kV电容式电压互感器,(CVT)的短路暂态过程进行模拟,显示了电路各参数分别取不同值时的残压波形。 着重分析了故障相位和谐振型抑制器对CVT暂态过程的影响,并显示了谐振型抑制器对CVT暂态响应的巨大影响。 最后指出,目前对CVT暂态性能尚不能制定分类标准。继电保护使用者应向CVT制造者咨询产品性能资料。 The short-Circuit transients of some Chinese-made 330kV capacitive voltage transformer are simulated by using EMTP program. Selected groups of residual voltage waveforms are represented to show the influence of various factors on CVT transients. Special discussion has been focused on two major factors: the point of fault initiatiou and the ferroresonant suppressor of resonant type. As a result, this paper points out that the affection of the later is tremendous. As no standard classifications for the transient response of CVTs being used with protective relays can be written at this time, the authors propose that relevant workes should ask for whole set of transient characteristics from CVT producer.
出处 《电力系统及其自动化学报》 CSCD 1990年第1期84-91,共8页 Proceedings of the CSU-EPSA
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