UPS uninterruptible power supply installation consideration

ଲେଖକ: ଆଇଫ୍ଲୋପାୱାର - ପୋର୍ଟେବଲ୍ ପାୱାର ଷ୍ଟେସନ୍ ଯୋଗାଣକାରୀ

UPS is uninterruptible power supply, users must input and output power distribution for UPS uninterruptible power supply. General UPS uninterruptible power supplies will provide users with complete, detailed UPS uninterruptible power supply installation requirements and precautions, only compliance, the UPS uninterruptible power supply is connected to the user's power supply system will work properly. In practical applications, engineers can fill relevant parameters into the space within the space according to the actual situation of UPS to be installed, so that users can construct.

The following will be described by Pushko Electronics: First, the user's input market for the UPS uninterruptible power supply is generally less than the UPS uninterruptible power supply nominal allowed city electric fluctuation value, such as a model UPS uninterrupted The power source is allowed to allow the mains input voltage fluctuations to 220V + 20%, then this item may require the user to fluctuate in + 15%, which is conducive to the normal operation of the UPS uninterruptible power supply; zero voltage generally requires less than load 1.5V, with full load, the engineer can also propose this value according to the on-site situation and load requirements. Second, the UPS uninterruptible power supply In order to eliminate common mode interference, zero, the fire is added to the ground, and there is current, which may cause zero.

The current is not equal, so that the broken circuit with leakage Trip. Therefore, the UPS uninterruptible power supply front stage and load circuit cannot load the circuit breaker with leakage protection, so as not to cause the UPS uninterruptible power supply and its load unexpected electricity. It should be pointed out here that the main purpose of the UPS uninterrupted power supply is to ensure the safe operation of the computer, such as the computer, etc.

Pull, open. Third, in order to eliminate disturbance, most UPS uninterrupted power supplies is isolated from the output zero line or after choke, so the UPS is not interrupted when the UPS is uninterruptible power supply output (ie The zero line of the load is connected to the zero mason bus input. Users can connect the UPS uninterruptible power output (load) line to a separate zero line.

Some brands of UPS uninterruptible power supply can pass the network line and output (load) zero lines on the UPS uninterruptible power supply. Fourth, the UPS uninterruptible power input circuit breaker is a disconnection of the UPS uninterruptible power supply separately, so the UPS uninterruptible power input circuit breaker should not receive other electric equipment, so as not to affect the UPS uninterrupted Normal turnover of power input. Here, it will be described here, and some users require UPS uninterruptible power supplies after the market is powered down, the UPS uninterruptible power supply replaces the battery backup work, so that the capacity of the external long delay battery with the UPS uninterruptible power supply will be very Big, in order to ensure that this part of the external battery can have enough charging current (10% of the total number of external batteries), the manufacturer will give the UPS uninterrupted power supply additional external long delay battery charger, this charger The AC input power supply is simultaneously disconnected from the input power of the UPS uninterrupted power supply to ensure that the external charger is charged with the external battery.

When the city is powered, the battery is immediately turned to the UPS uninterruptible power supply inverter. Discharge. So this charger's AC input is electrically coupled to the input of the same circuit breaker with the input of the UPS uninterrupted power supply.

5. When the input and output circuit breakers are selected for the UPS uninterrupted power supply, the rated voltage nominal voltage required to match the rated input output voltage of the UPS uninterrupted power supply, such as single-in-one UPS uninterruptible power supply optional single pole ( Or N + 1, or two-pole) Rated voltage is a circuit breaker of AC220V or 250V, three into three UPS uninterruptible power supply optional triode (or N + 3, or four-pole) rated voltage is an AC380V or 415V circuit breaker. Pay attention to the rated breaking capability ICU of the circuit breaker to meet the requirements of UPS uninterruptible power supplies, generally small UPS uninterruptible power supply is 10kA or 6kA, large and medium UPS uninterruptible power supply requires 30kA.

6. UPS uninterrupted power supply and external long delay battery should not be too long, otherwise the pressure drop lost on the battery connection is too large. In addition, users tend to pay attention to the environmental temperature and humidity of the UPS uninterruptible power supply host, and the battery is placed together to make the battery have a good working environment.

7. It is recommended that the user sets the power supply to the UPS uninterruptible power supply and its load to facilitate centralized and reliable control of the UPS uninterruptible power supply and its protection. This distribution disc is subject to national standards.

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