Relay protection and auto mechanism are the important ensure measures for reliable supply and stably runningpower grid.
继电保护和自动装置是电网安全稳定运行和可靠供电的重要保障措施。
2
With the pressure machine load rate below 25%, air compressor no-load runningpower consumption need not, and can be directly downtime, energy consumption will be zero.
当空压机负载率低于25%时，空压机不需要空载运行消耗电能，而可直接停机，将能耗降为零。
3
The measurement of power parameters is one of the most basic calculation in power systems and plays a key role on runningpower systems in security, economy and reliability.