The technique for AC adjusting speed is a main means of saving power, improving industrial flow to improve quality of products and environment, advancing the development of technique.
交流调速技术是当今节电、改善工艺流程以提高产品质量和改善环境、推动技术进步的一种主要手段。
The converter units generate harmonics which flow in the AC and DC lines.
换流器单元产生的谐波会流过交流和直流线路。
Before reliability calculation with the network flow method, the affective area of tie switch is knew through computation of the AC load flow.
在实现思路上，先通过交流潮流确定联络开关的切换范围，再用前述的网流法计算系统可靠性。
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