Selection of three-phase voltage stabilizers and UPS
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Please help with the following issue that is currently occurring: 1. The voltage at night is relatively high; the equipment can operate within a range of 360–400V. Overvoltage or low voltage conditions cause the equipment to shut down, and it needs to be restarted manually, which is quite troublesome! Solution: Consider installing a three-phase voltage stabilizer. Does anyone have any recommendations? Please provide the manufacturer, model, and price. 2. For maintaining a constant temperature in the laboratory, it’s necessary to use an UPS for the air conditioner. Does anyone have any recommendations? Please provide the manufacturer, model, and price
May I ask, if the voltage remains high, whether it is load-regulated or no-load regulated on the primary side of your transformer (no-load regulation requires shutting down the equipment), can the voltage be reduced to an appropriate level, while still ensuring that the voltage meets the required standards during the day? If there is a large difference between day and night, considering the installation of a three-phase voltage stabilizer is necessary.