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Emergency maintenance of Sichuan electric power equipment

Sichuan power equipment emergency maintenance: power equipment repair matters needing attention when arriving at the work site, the staff in the blackout operation, to isolate all circuit breakers and isolating switches, avoid

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Sichuan electric power equipment rescue repair:

Matters needing attention in emergency repair of power equipment

After arriving at the work site, the staff should isolate all circuit breakers and isolating switches to avoid sudden electricity call. In addition, the power should be cut off from low voltage to high voltage to prevent arc injury. When discharging, the insulating rod must be used for operation to release the charge, and it is not allowed to contact the discharge conductor directly. Before the power test, check whether the electrical equipment is in good condition. After confirmation, it is gradually close to the charged body, and can not directly contact the charged body of the equipment. Repair work. Always keep in mind these precautions to avoid safety accidents.

 Emergency maintenance of Sichuan electric power equipment

Overhaul and maintenance of power equipment

1、 Repair and maintenance of DC system

The main components of the DC system are charging cabinet and battery cabinet. When maintenance personnel are carrying out maintenance work, once the AC power of the equipment in normal operation is interrupted suddenly, the battery will use its own voltage and current to supply power through electronic devices in a very short time. The structure of the battery and charging device in the DC system is particularly complex, and it often occurs There are quality problems. Most of the charging devices are made of semiconductor materials, which are easily affected by current and voltage in the process of operation, and the temperature is too high, even easy to burn down the power device. At the same time, once the battery is used for a long time, all aspects of performance will decline as time goes by, and the capacity of the battery itself will gradually reduce. In order to reduce the occurrence of this situation and extend the service life of the battery, maintenance personnel should regularly carry out comprehensive and detailed maintenance and routine maintenance of the battery and charging device in the process of use. In addition, the power system can operate normally and safely. In addition, they should master the use status of the input and output current systems. In most cases, batteries and charging cabinets are stored in a ventilated environment. To prevent sunlight exposure, a comprehensive overhaul should be carried out every six months or so. The * * equipment can be put into use normally.

2、 Overhaul and maintenance of substation equipment

The following aspects should be paid attention to in the maintenance of substation equipment: (1) maintenance personnel should improve their technical level, pay full attention to maintenance work, fully master the operation status of the equipment, and be familiar with the equipment performance. Only in this way can the equipment always be in good working condition. To implement the policy of prevention first, in the process of maintenance, maintenance personnel should focus on the parts where faults occur frequently, and immediately take corresponding measures to deal with potential safety hazards, so as to improve the operation status of the equipment from the source. During maintenance, most of the maintenance personnel adopt the maintenance mode of power failure and live line work. With the improvement of maintenance personnel's technical level and the accumulation of work experience, live working should be carried out gradually to reduce the number of power outages. Scientific technical level can effectively improve the quality and efficiency of maintenance. (2) Establish a sound maintenance system. Maintenance personnel should form the habit of recording when maintaining the equipment, record the maintenance situation of each equipment in detail, compare it every time, and report to the relevant departments on a regular basis. In addition to excellent maintenance technology, maintenance personnel should also have a sense of responsibility, be conscientious and responsible in their work, and maintain the equipment in strict accordance with the established maintenance system. (3) * * the professional and technical level of maintenance personnel, at the same time, they should constantly improve their professional quality and master rich practical experience to ensure that the maintenance work can be carried out smoothly. Maintenance units should regularly carry out training and further study for maintenance personnel; maintenance personnel should often exchange work experience with each other to improve professional theoretical knowledge and operation technology level; cross inspection can also be carried out in the work to double guarantee that there is no negligence in daily inspection and maintenance work, and there is no risk. (4) The dynamic management of electrical equipment is implemented. In order to effectively strengthen the inspection and maintenance of equipment, maintenance personnel should make full use of various modern technologies such as Internet information technology, timely understand the working state of * * equipment, take different solutions for different equipment, and fully realize the dynamic management of equipment.

3、 Maintenance of power capacitor

With the frequent use of power equipment, the aging of equipment is accelerated to a certain extent. Capacitor is a very important device in power equipment. When power equipment is put into use, the capacitor will be in working state for a long time. In the use of electrical appliances, attention should be paid to the operation of the capacitor, and the appropriate capacitance value should be selected to determine the various indicators of the capacitor. It is worth noting that the capacitor is a very complex and long-term working state of the equipment, maintenance personnel should pay attention to the internal and external system fault prone parts, pay attention to various factors that may affect the normal operation of the capacitor, and do a good job in preventive detection. Pay attention to the following aspects when repairing the capacitor: (1) check the appearance and structure of the capacitor and check whether there is leakage or cracking. Once the above problems are found, the use must be stopped immediately and the new equipment shall be replaced. (2) Check fuses regularly. The fuse is used to protect the capacitor. In the maintenance, attention should be paid to whether the fuse is loose and whether the temperature is abnormal under the operation state. (3) Control the actual current of the device. If the actual current of the device is larger than the rated current, it is easy to burn the equipment in long-term operation. Therefore, maintenance personnel should pay attention to detect the actual working current of the capacitor. If the actual current exceeds 1.3 times of the rated current, it shall be suspended immediately.

4、 Application of Internet technology in equipment maintenance

The application of Internet technology can effectively improve the maintenance efficiency of maintenance personnel. At the same time, it can also carry out comprehensive and detailed maintenance on the parts missed by maintenance personnel, which can play a role of secondary maintenance. The generator, transformer and transmission line of the main detection equipment of Internet technology should take effective maintenance measures and formulate scientific maintenance process according to the corresponding information provided by the Internet [4]. When repairing the cable condition of the networking equipment, the temperature of the power grid should be detected, and the fault location and cause should be judged according to the temperature change.

 Sichuan electric power equipment rescue



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