Thus, lowvoltageprotection devices, served as lock-out protection reserve will also have characters uf inverse time-lag.
因此,作为失步保护后备的低电压保护也应具有反时限特性。
2
This paper introduces the work principle and structure of new ultra-lowvoltageprotection device, and the structure simulation.
介绍了一种新颖的超低压保护器件的工作原理、结构特点,并进行了器件结构模拟。
3
Over current protection, negative current protection, zero sequence current protection, over time of start protection and lowvoltageprotection is configured in the device.