Maintenance of UPS power battery
1. Safety precautions
When maintaining the UPS, the user should keep in mind: unless the UPS has completely cut off the input channel between the mains power supply, the AC bypass power supply and the battery pack, and cut off the output channel connected to the user's other system bus, and released the UPS. Various high-voltage filter capacitors in the machine store electric energy. Otherwise, there will always be lethal high voltage power in the UPS. Before performing any inspection and maintenance operations on the inside of the UPS, the user must carefully read the safety operations described in the user manual you purchased. the
2. Regular maintenance
In the UPS, there are only movable mechanical parts in the heat dissipation fan used to cool the power drive device, and the rest of the parts are composed of solid-state electronic components, and the fans are designed for long life, so there is no problem of wear and tear. Based on the above reasons, in addition to ensuring that the UPS is always operating in a constant temperature and clean working environment, frequent records and regular inspections are also required. A large number of power plants and petrochemical UPS customers have shown that if users can perform orderly maintenance operations and perform timely The UPS running record check can ensure that the UPS is always running in the best condition. Periodic, timely and complete observation of operation and maintenance records can enable early detection of hidden dangers or symptoms that may lead to serious accidents. the
Daily maintenance content:
(1) To remove surface dust, use a non-shedding soft cloth or other similar materials. the
(2) Check whether there is looseness, heat and corrosion at the connection, tighten and clean it in time, and take anti-rust measures. the
(3) Observe the battery case for leakage and deformation. the
(4) Observe whether there is acid mist escaping around the pole and safety valve. the
(5) Detect the floating charge voltage of the battery pack. the
(6) When the floating charge voltage of each cell is lower than 13.08V, the battery should be balancedly charged. the
(7) Check the ambient temperature to see if it reaches the optimum temperature of 25°C for the battery.
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