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Precautions for using UPS power system

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Due to its high level of intelligence, the UPS power system uses maintenance free batteries for energy storage, which brings a lot of convenience to use. However, attention should be paid to multiple aspects during use to ensure safety.

(1) The UPS power supply host does not have high requirements for environmental temperature, and can work normally at+5 ℃~40 ℃. However, it requires indoor cleanliness and less dust, otherwise dust and humidity will cause the host to malfunction. Energy storage batteries have higher temperature requirements, with a standard operating temperature of 25 ℃, and should not exceed+15 ℃~+30 ℃ during normal use. If the temperature is too low, the capacity of the storage battery will decrease. For every 1 ℃ decrease in temperature, its capacity will decrease by 1% Its discharge capacity increases with temperature, but its lifespan decreases. If used for a long time at high temperatures, the battery life will be reduced by about half for every 10 ℃ increase in temperature.

(2) The parameters set in the host cannot be changed arbitrarily during use. Especially for the parameters of the battery pack, it will directly affect its service life, but with changes in ambient temperature, corresponding adjustments should be made to the float charging voltage. Usually set at 25 ℃, for every 1 ℃ increase or decrease in ambient temperature, the float charge voltage should increase by 18mV (relative to a 12V battery).

(3) When there is no external power supply relying on the UPS power system for self power supply, it is necessary to avoid starting the UPS power supply with a load. Each load should be turned off first, and the load should be turned on after the UPS power system is started. Due to the instantaneous power supply of the load, there will be an impact on the battery. The impact current of multiple loads, combined with the required power supply current, will cause the UPS power supply to overload instantly, and in severe cases, it will damage the converter.

(4) The UPS power system should have a small power margin according to usage requirements. During use, it is necessary to avoid adding additional high-power equipment at will, and it is not allowed to operate for a long time under full load. However, the nature of the work determines that the UPS power system operates almost continuously. Increasing high-power loads, even when working at basic full load, can cause the host to malfunction and, in severe cases, damage the converter.

(5) The output voltage, waveform, frequency, and amplitude of the self-contained generator should meet the requirements of the UPS power supply for the input voltage. In addition, the power of the generator should be much greater than the rated power of the UPS power supply. Otherwise, any condition that is not met will cause abnormal operation or damage to the UPS power supply.

(6) Due to the high voltage of the combined battery pack, there is a risk of electric shock. Therefore, safety measures should be applied when loading and unloading conductive connecting strips and output lines. Tools should be insulated, especially the output contacts should have anti touch measures.

(7) Whether in float charging operation or charging/discharging maintenance testing, it is necessary to ensure that the voltage and current meet the specified requirements. Excessive voltage or current may cause thermal runaway or water loss of the battery, while low voltage or current may cause

Battery depletion can affect the lifespan of the battery, with the former having a greater impact.

(8) In any case, battery short circuits or deep discharges should be prevented, as the cycle life of the battery is related to the depth of discharge. The deeper the discharge depth, the shorter the cycle life. In capacity testing or discharge maintenance, it is usually sufficient to discharge at 30% to 50% of the capacity.

(9) High current charging and discharging of batteries should be avoided. Although high current can be accepted during charging, it should be avoided as much as possible in practical operation, otherwise it will cause the expansion and deformation of the battery plates, causing the active material of the plates to fall off, increasing the internal resistance of the battery, and the higher the temperature rise. In severe cases, it will cause a decrease in capacity and premature termination of life.