Tags: Q: How to quickly detect UPS battery
capacity? Q: How to quickly detect UPS battery capacity? Answer: The most effective and quick way to test UPS battery capacity is to use 10-hour discharge rate to test UPS battery capacity. The test methods are as follows: 1. Fully charged lead storage battery is allowed to stand for 1h~24h, starting at 25℃±5℃ Discharge. 2. Before discharging, measure and record the voltage and internal resistance of the battery in the floating state of the lead battery. 3. Before discharging, make a confession to all operators, including technical confession and safety confession. 4. The terminal voltage of the lead storage battery should be measured before and after the discharge, and the current should be measured during discharge, and the current fluctuation shall not exceed 1% of the specified value. 5. The terminal voltage and room temperature of the lead storage battery should be measured during the discharge, and the measurement interval of the 10h rate test The measurement time interval for the 3h rate test is 1h, and the measurement time interval for the 1h rate test is 10min. The end of discharge should be measured at any time to ensure accurate determination of the termination voltage time. 6. If the temperature is not 25°C, it needs to be converted into a capacity of 25°C according to formula (1). (1) Ceu003dCt/[1+K(t-25℃)] where: t——environment temperature during discharge K——temperature coefficient: 10h rate capacity test, Ku003d0.006/℃ 3h rate capacity test When Ku003d0.008/℃ 1h rate capacity test, Ku003d0.01/℃ 7. For the parallel system, operate one test at a time, and ensure that the other two are used as backup to ensure the safe power supply of the load. 8. Measure and record the voltage in the discharge process in time, and hang warning signs in the operation area.
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