LIU WEN-ZE, CAI ZE-XIANG, FENG SHUN-PING. Resonant Analysis and EMTP Model Simulation of Grid Harmonics in Transformer Substation. [J]. Power capacitor & reactive power compensation, 2009, 30(2): 17-20.
LIU WEN-ZE, CAI ZE-XIANG, FENG SHUN-PING. Resonant Analysis and EMTP Model Simulation of Grid Harmonics in Transformer Substation. [J]. Power capacitor & reactive power compensation, 2009, 30(2): 17-20.DOI：
变电站中电网谐波谐振分析与EMTP建模仿真
摘要
对典型220 kV变电站进行了谐波谐振的分析计算
并在EMTP中建立了电容器谐波仿真计算模型。模拟了投入不同电容器组数时
利用仿真模型研究了低次谐波的谐振情况
分析了电路谐振频率点的变化和电容器允许流过的谐波电流上限值及电容器上谐波放大倍数。
Abstract
This paper calculated the harmonics resonance of a typical 220kV transformer substation
and built a capacitor harmonic EMTP simulation model.It simulated input different number of capacitor bank;researched on low frequency harmonics resonance case by using the simulation model;analyzed the circuit resonant frequency point change
harmonic current upper-limit value and harmonic magnification of capacitors.
关键词
并联电容器组谐振模型谐振频率三绕组变压器模型谐波电流上限值
Keywords
Shunt capacitorResonance modelResonance frequencyThree-winding transformer modelHarmonic upper-limit value
京公网安备11010802024621