P0900ET-FOXBORO

如果电力系统在隔离开关的操作速度缓慢，操作时在隔离开关的两个触点问就会产生电弧闪络，从而产生操作过电压，出现高频电流，高频电流通过母线时，将在母线周围产生很强的电场和磁场，从而对相关二次回路和二次设备产生干扰，当干扰水平超过装置逻辑元件允许的干扰水平时，将引起继电保护装置的不正常工作，从而使整个装置的工作逻辑或出口逻辑异常，对系统的稳定造成很大的***。高频电流通过接地电容设备流人地网，将引起地电位的升高。

 

Sundstrand-Saue?r-Danfoss Hydraulic Series CPD Pump A25

Sundstrand-Saue?r-Danfoss Hydraulic Series CPD Pump A10

Sundstrand-Saue?r-Danfoss Hydraulic Series CPD Pump A24

Sundstrand-Saue?r-Danfoss Hydraulic Series CPD Pump A26

Sundstrand-Saue?r-Danfoss Hydraulic Series CPB Pump CF

Sundstrand-Saue?r-Danfoss Hydraulic Series CPB Pump CD

Sundstrand-Saue?r-Danfoss Hydraulic Series CPB Pump CE

Sundstrand-Saue?r-Danfoss Hydraulic Series CPD Pump CG

Sundstrand-Saue?r-Danfoss Hydraulic Series CPD Pump CF

Sundstrand-Saue?r-Danfoss Hydraulic Series CPB Pump ***

Sundstrand-Saue?r-Danfoss Hydraulic Series CPB Pump AU

Sundstrand-Saue?r-Danfoss Hydraulic Series CPB Pump AN

Sundstrand-Saue?r-Danfoss Hydraulic Series CPB Pump AO

Sundstrand-Saue?r-Danfoss Hydraulic Series CPB Pump AJ

Sundstrand-Saue?r-Danfoss Hydraulic Series CPB Pump AS

Sundstrand-Saue?r-Danfoss Hydraulic Series CPB Pump AH