Power distribution equipment is a general term for high-voltage power distribution cabinets, generators, transformers, power lines, circuit breakers, low-voltage switch cabinets, power distribution boards, switch boxes, control boxes and other equipment in the power system. 　　The importance of electrical equipment maintenance: 　　Second, electricity regulations clearly require regular maintenance of equipment. The relevant requirements of power supply laws and regulations Q/CSG 1 0007-2004 "Power Equipment Preventive Test Regulations" stipulates the relevant requirements of various power equipment preventive tests to determine whether the equipment meets the operating conditions, prevent equipment damage, and ensure safety. run. The importance of electrical equipment maintenance 　　The main functions of the electrical control system (1) Monitoring function. Mainly refers to that the electrical control system can closely monitor the power consumption system of the high and low voltage power distribution plant including the generator and transformer working group system, and the current status of the high voltage DC system, the electrical office system and the electrical equipment switches controlled by it. The status is monitored, and the past status is recorded and memorized. Once a danger occurs, the isolation switch can be cut off and controlled accordingly to achieve the purpose of protecting the safety of personnel and ensuring the perfection of the equipment.