UPS Maintenance Guide The maintenance of UPS (uninterruptible power supply)...
What to check after UPS battery replacement？
In a data center, server room, or home office environment, an uninterruptible power system (UPS) plays a crucial role. It not only ensures continued power supply to critical equipment in the event of a power outage, but also prevents damage to equipment caused by power interference. When the UPS battery reaches the end of its service life or fails and needs to be replaced, it is followed by various checks to ensure that the new battery can work properly. This article details the key check items that need to be performed after replacing the UPS battery to ensure the stability and safety of the system.
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After the UPS battery is replaced, the following checks are required to ensure the safety and normal operation of the system:
Battery terminal connection Check: Check whether the terminal cables of the new battery are firmly connected, and check whether the positive and negative terminals and neutral cables of the battery string are connected correctly.
Battery string voltage Check: Use a multimeter to check the total voltage of the UPS battery string and ensure that the battery string voltage is normal.
Check the status of battery strings and the UPS: After the UPS and battery strings are working properly, turn on the battery string switch to restore the UPS system.
Operating voltage and current check: Check the operating voltage, current, and charging voltage of the UPS, and record the operating parameters of the host to see whether they are consistent with the actual conditions.
Battery time parameter adjustment: Adjust the battery time parameter to ensure that the UPS power supply does not cause an incorrect alarm during normal use.
Simulated mains failure test: Turn off the input power switch of the UPS to simulate mains failure and interruption to test whether the UPS can switch from the mains to the battery string backup power supply. Ensure that the devices in the equipment room and cabinet work properly.
Appearance Check: Check the battery appearance for liquid leakage and bulging, battery terminals for alkali formation, and battery temperature.
Battery pack voltage measurement: Measure the battery pack voltage and the voltage of each battery at least once a month to ensure that the voltage of each battery is between 13.5-14V. If the battery voltage is found to be low or uneven, handle it in time.
Simulated mains loss test: consciously let the battery discharge to the DC bus, after normal operation, immediately restore the AC power supply, the battery should be able to automatically cut off the discharge circuit, to ensure that the UPS output is uninterrupted, simulated power loss test at least once every three months.
Annual check discharge test: Check the capacity of the battery once a year, understand the actual operating capacity of the battery, and activate the battery pack to make the battery capacity uniform.
Mains power supply verification: Check the mains power supply every year to check the integrity of the incoming line switch.
Switching module test: Periodically test all UPS switching modules every year to check whether the switching function of the switching module is accurate and whether the inverter function is normal.
CONCLUSION
After replacing the UPS battery, you can not only ensure the normal function of the new battery and the UPS system, but also effectively avoid potential faults and data loss risks. Regular inspection and maintenance of the UPS battery is an important measure to ensure its long-term stable operation. Through these systematic inspections, the UPS can improve the work efficiency and provide more reliable protection for critical equipment.
UPS BATTERY SERIES
UPS (Uninterruptible Power Supply) batteries are an important component of power supply systems designed to provide stable power support for electronic devices.
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