High -tech help current intestines quickly replace

At present, with the rapid development of Hefei City's economy, the load of electricity users has continued to rise, the increase in the transformer increase and transformation of the main transformer has accelerated, and the power of the cable has increased year by year. "Card neck" needs to replace a large amount of current transformers.

It is understood that at present, there are about 4,500 high -voltage switching cabinets under the State Grid Hefei Power Supply Company. According to the 15 % replacement rate, a group of three calculations need to be replaced by nearly 2,000 current sensors. Although the installation of high -voltage switching cabinets has taken some optimized improvement measures, such as artificial + jin tops, there are still the following problems. The first is time -consuming and labor -intensive. The current intestines are located at the cable room under the switch cabinet. The work space is small, and the current intestines are large and heavy. Three or four workers need to squat to move, which can be inevitable and low in installation. The pound is not synchronized in the vertical direction, and the jack cannot move in the horizontal direction. When carrying out the replacement of current transformers, the power outage time is long, and even the power user complaints are caused. Secondly, there are hidden safety hazards. When operating in the cabinet, the phenomenon of numbness of hands with numbness and feet is prone to squat operations for a long time, which is not easy to fully force, affecting manual operation. At the same time, the shell of the device is slippery, which is prone to falling off or falling or falling.

To this end, the State Grid Hefei Power Supply Company formed a professional and technical team, which took two years to overcome a series of problems. Professionals have designed a portable current transformer top -lifting structure to reduce the labor intensity of staff, solve the problem of low installation efficiency of narrow space, and ensure that the replacement of the current sensor is completed as scheduled, and the power stopping time is reduced. The top -lifting structure is easy to carry, suitable for the maintenance work of a single, multi -site current transformers.

At the same time, technicians have designed a whole -arranged current intestinal auxiliary installation device to achieve precise positioning during the installation of the equipment, effectively solve the problem of large energy consumption of current transformers in the switch cabinet, and further improve work efficiency and construction quality. Ensure the safety of construction personnel. This device can realize rapid adjustment of the current intestinal, left and right, and front and back. The installation of three current transformers can be completed at one time, which is suitable for the maintenance of the entire and single locations.

At present, the research results of the project have been applied in the scope of Hefei City and a city four counties. The current intestinal auxiliary installation device reduces the labor intensity of the staff and improves the efficiency and safety of the equipment in the small space installation, shortening the shortage of work, shortening, shortening, shortening, shortening, shortening, shortening, shortening, shortening. The power outage time reduced the user complaint rate and well maintained the corporate image.

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