2020-07-23 16:53

Power system wiring and transmission and transformation network wiring Power system wiring Geographical wiring diagram: indicates the relative geographic location of each power plant and substation an...

2020-07-23 16:52

Primary wiring in substation Power transmission equipment includes Equipment that transforms voltage: such as a transformer. Switching appliances for making and breaking circuits: such as circuit brea...

2020-07-23 16:52

Cut off the nodes of high-voltage lines and the classification of power plants Line maintenance ● Equipment installation ● Reduce line load The above are artificial, planned removal of the rout...

2020-07-23 16:51

The role of switchgear The object of the relay protection device △ High-voltage switchgear △ The relay protection device is generally installed on the high-voltage switchgear as a component of the h...

2020-07-23 16:51

witchgear definition and classification The switchgear is an electrical device. The outside line first enters the main control switch in the cabinet, and then enters the sub-control switch. Each bra...

2020-07-23 16:50

The role, significance and classification of high voltage switchgear High-voltage switchgear is mainly used for the control and protection of power systems (including power plants, substations, tran...

2020-07-23 16:50

Definition of high and low voltage power distribution equipment Power distribution equipment refers to all kinds of complete equipment for power, power distribution and lighting in low-voltage power...

2020-07-23 16:49

Power system rated voltage and voltage level Rated voltage is a standard voltage stipulated by the country, and is the voltage value on which electrical equipment is designed. When working at this v...

2020-07-23 16:49

Quality index of electric energy Voltage quality standards: overvoltage and undervoltage affect the safe operation of electrical equipment frequency: Rated frequency: 50Hz (Foreign: 50 or 60Hz) Freq...