Active Power Factor Correction to meet EMC limits for harmonic current emissions, and limitations of voltage fluctuations and flicker.
有源功率因数校正满足EMC的谐波电流的排放限制,以及满足电压波动和闪变的限制。
Harmonics, reactive power, voltage flicker and negative-sequence current of power grids can affect the power quality and harm the power equipment badly.
电网中存在谐波、无功、电压闪变及负序电流等问题,严重影响电能质量,危害电力设备。
After SVC was put into operation, power quality problem caused by harmonic current, voltage fluctuation and flicker has been solved.
SVC投入运行后,对非线性负荷产生的谐波电流,电压波动及闪变等引起供电电能质量的问题起到了很好的治理效果。
Based on this requirement, this paper introduced the theory of power quality monitoring, include RMS of voltage and current, power, three-phase unbalance, harmonic and flicker.
在此基础上研究了电能质量监测理论,详细介绍了电压电流有效值、功率、三相不平衡度、谐波和闪变的数字测量方法。
Direct current control method is adopted to make the DSTATCOM produce compensated reactive current, so as to suppress voltage fluctuation and voltage flicker.
采用电流直接控制法,使DSTATCOM产生无功补偿电流,以此抑制电网电压波动与闪变。
Direct current control method is adopted to make the DSTATCOM produce compensated reactive current, so as to suppress voltage fluctuation and voltage flicker.
采用电流直接控制法,使DSTATCOM产生无功补偿电流,以此抑制电网电压波动与闪变。
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