How to maintain the UPS power supply

2022/04/08

  Author :Iflowpower – Portable Power Station Supplier

What should I pay attention to in the UPS power repair? 1, the UPS power supply is generally consisting of 4 parts. That is, rectifier charger, inverter, static bypass switch and battery. In addition to the battery pack, each part is composed of 3-4 small parts.

That is, the power part, the drive section, the control section, and the power supply. There are three places in the general UPS power supply. The general control section and the driving portion are commonly, the drive signal outputs to the power portion is suspended.

The power part is input, the output voltage is high, and the corresponding measures should be taken when using an oscilloscope detection. 2, the UPS power test method generally uses single-line tracking or segmentation of solitary legislation. According to Maintenance Guide: Simulate the actual working state, detect key signals and waveforms, perform comprehensive decomposition judgment.

3. Be careful in the detection inspection, don't let a doubt, it is clear to normal and abnormal boundaries, prevent leaving. 4, pay attention to the location of the same model UPS power failure, in the same model, the UPS power supply, often due to the consistency of the designed defects and components in the design, some faults often also appear.

Similar disease. Summarize relevant experience and take prevention measures. 5.

About the repair of intelligent UPS power supply, regarding intelligent UPS power supply, monitor display screen to supply fault nature, part of the fault point, and provide a brief description of how to troubleshoot the user. Therefore, as long as professional maintenance personnel, strictly follow the instructions of the instructions, refer to the display of the display, gradually eliminate the fault, or for spare parts, spare parts replacement maintenance. How to maintain the UPS power supply? 1.

Need for annual maintenance every year, you should be fully prepared before maintenance. For example, various tools, various measuring instruments, and various difficulties may encounter. There is corresponding countermeasures, methods and measures for problems encountered.

2. Check the various drive components and printed circuit plug-in boards, main power supply circuits, DC power supply circuits in the UPS power cabinet, solder joints, fake welding and cracks, and components have anti-coke color phenomena. Quickly use 150W bulbs after the power failure is filled with an internal capacitor of the UPS power supply, and the battery is turned off and the electric shock is turned.

At this time, use the temperature detector or use the hand to touch the components. There is no special hot hand, the high temperature device should be used for specific inspections, if necessary, can be replaced. 3, transformer coils and connecting devices and chokes are hot, discolored, layered lacquer lines fall off, and the coupling line connectors are not strong.

Check the battery. First, the voltage, the second is the capacity of the measurement, and the capacity of the battery is checked with the battery. To do it, the whole group should keep up on the full load of about 5 minutes, otherwise adjust the replacement according to customer requirements.

4. Check that each switch contact is not strong, burning, etc.

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