摘要:阐述了电弧炉冶炼时所产生的无功冲击、谐波电流、负序电流等对电网及电气设备的影响,并以莱钢特殊钢厂50t超高功率电弧炉应用德国西门子SVC技术为例,阐述了SVC设置的原则,SVC主接线和SVC的控制原理等。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。
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