INVT UPS power supply, that is, uninterruptible power supply, is a kind of uninterruptible power supply, including an energy storage device, with an inverter as the main component, with constant voltage and constant frequency. This computer is mainly used as a stand-alone machine, computer network system, or other power electronic equipment to provide uninterrupted power supply. When the power input is normal, the UPS will provide the power to the load after stabilization, and the UPS is the AC power regulator at this time, and at the same time charge the battery in the machine; When the power is interrupted (accidental power outage), the UPS immediately converts the power of the battery in the machine into 220V alternating current, continues to provide power to the load, keeps the load working normally, and protects the software and hardware of the load from damage. UPS equipment typically provides protection against both over-voltage and under-voltage.
To facilitate the operation and maintenance of the battery, the UPS should adopt an open battery rack. The above is the apc uninterruptible power supply manual interpreted by the manufacturer of Chengwen UPS power supply for everyone. I am sure that the above article will be helpful and helpful to everyone. If you want to know more about the introduction of APC uninterruptible power supply, you can pay attention to our follow-up articles. SchnederUPS found that the common UPS working methods on the market today are as follows: supported, online interaction, and online double conversion (pure online). 1. Standby UPS uninterruptible power supply, without stable voltage, there is a conversion time when the mains power is converted to the battery, and it is generally used when PC protection or UPS performance requirements are not high; 2. Online interactive UPS power supply, without stable voltage, is generally used when PC protection or UPS performance requirements are not high; 3. This type of UPS power supply does not have a stable voltage, but has a voltage regulation function, which is generally used for protection and network equipment, etc., and this type of UPS power supply is generally below 5KVA.
You can check for faults in the battery or charging circuit by following these steps:
Check the battery voltage to see if there isn't enough charging. If the battery is low,
Check to see if there are any problems with the battery or charging circuit.
If the battery working voltage is normal, please check whether the variable frequency drive circuit is normal. If the output of the drive circuit is normal, it means that the inverter is faulty.
If the inverter drive circuit is not working properly, check the waveform generation circuit for the output of the PWM control signal. If there is a control signal output, it means that the inverter drive circuit is faulty.
If there is no PWM control signal output in the waveform generation circuit, check whether the output is blocked by the protection circuit. if so, determine the reasons for protection;
If the protection circuit fails, the operating voltage is normal, and the waveform generation circuit does not have a PWM waveform output, the damage to the troubleshooting sequence waveform generation circuit can also be reversed, sometimes faster.
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