国网盐城供电变电检修中心：靶向攻坚“无功中枢” 织密电网安全屏障

Core Insights - The article emphasizes the importance of stable operation of the power grid to ensure public welfare and economic development, particularly during periods of rising electricity demand [1] - The focus is on the proactive measures taken by the State Grid Yancheng Power Supply Company to enhance the health and performance of capacitors in substations, which are critical for optimizing voltage quality and reducing reactive power loss [1] Group 1: Equipment Management and Maintenance - The capacitor is described as the "reactive core" of substations, with its stable operation directly affecting the economic and reliable functioning of the power grid [1] - The maintenance team employs a full lifecycle management approach, utilizing operational records, daily inspection data, and infrared temperature results to conduct comprehensive "health checks" on capacitors [1] - Specific defect identification includes abnormal heating, unbalanced actions between groups, and excessive neutral point current, with tailored solutions developed for different substations based on equipment age and operating environment [1] Group 2: Safety and Standardization - The maintenance process adheres to standardized operational protocols, emphasizing the principle of "one stop, multiple repairs" to ensure thorough discharging, removal of old equipment, installation of new devices, and parameter adjustments [2] - Safety measures include grounding residual charges multiple times to eliminate electric shock risks, and conducting insulation resistance and AC voltage tests on replaced equipment to ensure compliance with operational standards [2] - Continuous monitoring and supervision during the maintenance process aim to eliminate existing defects and address potential hazards, achieving a targeted and closed-loop control of the maintenance work [2] Group 3: Future Directions and Training - The article advocates for ongoing enhancement of equipment lifecycle management and the implementation of a "three-dimensional inspection + centralized monitoring" model for regular capacitor inspections [2] - The use of intelligent detection technology is encouraged to facilitate early detection and resolution of defects [2] - Emphasis is placed on strengthening maintenance skills training to cultivate a versatile professional team, thereby improving the power grid's safety assurance capabilities and supporting high-quality regional economic development [2]