
Safety precautions in the use of high-voltage electrical equipment
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- Time of issue:2020-09-01
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(Summary description)Quality control during maintenance of high-voltage electrical equipment. The maintenance personnel of high-voltage electrical equipment must be professionally trained and familiar with the internal structure of the equipment
Safety precautions in the use of high-voltage electrical equipment
(Summary description)Quality control during maintenance of high-voltage electrical equipment. The maintenance personnel of high-voltage electrical equipment must be professionally trained and familiar with the internal structure of the equipment
- Categories:Company News
- Author:
- Origin:
- Time of issue:2020-09-01
- Views:0
1. Quality control during maintenance of high-voltage electrical equipment. The maintenance personnel of high-voltage electrical equipment must be professionally trained and familiar with the internal structure of the equipment; the professional and technical personnel of the user unit must prepare realistic maintenance procedures. The disassembly and maintenance of high-voltage electrical equipment should be carried out in dry weather where the atmospheric humidity is lower than 60%. At the same time, attention should be paid to prevent dust, impurities and moisture from intruding into the interior. If necessary, dry hot air should be continuously introduced into the air chamber to maintain the interior. dry.
2. Abnormal sound analysis judges that the internal discharge sound of high-voltage electrical equipment is similar to the sound of a small raindrop falling on a metal shell. Because the frequency of partial discharge sound is relatively low, and the sound quality is different from its noise, sometimes the ears must be attached to the shell to listen. To; if the discharge sound is faint, it is difficult to distinguish whether the discharge sound comes from the inside or outside of the appliance, or whether the discharge sound cannot be judged, the equipment can be inspected regularly through partial discharge measurement and noise analysis.
3. Personal safety protection in the use of high-voltage electrical appliances (1) Indoor SF6 high-voltage electrical appliances should be air-tightly isolated from the main control room; (2) Ventilation equipment must be installed in the SF6 equipment room, and ventilation should be carried out before entering the room;
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