When the entire factory powerbreakdown and cannot obtain the reliable power for the factory use from outside, there is a need to install the spare steam water supply pump.
在全厂停电时不能从厂外取得可靠厂用电源时，应装设备用汽动给水泵。
2
If this happens too soon or too abruptly, the IGBT - switch will breakdown due to excess current and power dissipation at the moment of switch-on.