论述了无功功率的一种快速检测方法。减少无功功率的冲击，解决了矿热炉在生产过程中由于功率变化剧烈而引起的电压闪变。
It discusses a kind of method of fast detection for reactive power. It can reduce reactive power rush and solve voltage bicker change caused by power active violent change.
ABB的系统设计在运行过程中还提供了额外的无功功率以尽量减少新的提升机对周边电网的影响。
ABB's system design also provides additional reactive power during operation, to minimize the new hoist's impact on the surrounding power network.
无功功率优化是减少电网损耗的有效措施。
The reactive power optimization is an effective measure for reducing the network loss.
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