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What issues should be paid attention to during the installation and maintenance of low-voltage switchgear
The installation and maintenance of low-voltage switchgear require attention to the following issues: 1. Choose a suitable installation location: The installation site should avoid vibrations to ensure the stability and safety of the distribution cabinet. 2. Standardize equipment height: The height from the bottom of the equipment to the ground is usually 1.4 meters, but it can be adjusted according to actual needs.
The installation and maintenance of low-voltage switchgear need to pay attention to the following issues:
Installation Precautions
Choose a suitable installation location: The installation location should avoid vibration to ensure the stability and safety of the distribution cabinet.
Standardize equipment height: The height from the bottom of the equipment to the ground is usually 1.4 meters, which can be adjusted according to actual needs.
Secure connections: The wires inside the distribution cabinet should be tightly connected without looseness to ensure the safety and reliability of electrical connections.
Shockproof measures: Shockproof measures should be taken in vibrating places to ensure the stable operation of the equipment.
Good grounding: The cabinet body should be firmly grounded, and the doors of cabinets with electrical appliances should be reliably connected to the grounding metal structure with soft wires.
Maintenance and Care Points
Regular inspections: Regularly check for signs of pest activity in each cabinet, conduct regular pest control; check if the warning signs and maintenance signs are correctly placed; check if emergency tools and lamps are complete and functioning, and if the handles of the crank and fuses are complete.
Cleaning and dusting: Ensure proper cleaning and dusting of each cabinet to maintain a clean operating environment for the equipment.
Check cable joints and grounding wires: Inspect cable joints for overheating or discoloration, and check for rust on grounding wires to ensure the reliability of electrical connections.
Check capacitors: Inspect the capacitor shells inside the capacitor cabinet for integrity, check for leaks or swelling, and ensure the indicator lights are functioning.
Check fans: Inspect the working condition of the fans in each cabinet to ensure good heat dissipation.
Check busbars and secondary circuits: Inspect the busbars and their leads for firmness, check if the secondary circuit connections are secure, ensure fuses are intact, and measure insulation resistance.
Check indicator lights and circuit breakers: Inspect if all indicator lights are functioning normally, and check if the circuit breaker leakage switches and thermal relays are working properly.
Check incoming line switches: Inspect the cleanliness of the equipment, ensure the equipment nameplate is intact, and remove dust and dirt.
By following the above installation and maintenance precautions, the safe operation and long-term stability of low-voltage switchgear can be ensured.
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