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Professional inverter repair center, especially good at drive board maintenance, switching power supply repair, elevator circuit board repair, PLC circuit board repair, touch screen circuit board repair and various industrial equipment maintenance, the company has accessories. (1) Overvoltage tripping, the main reason is the maintenance of Shanxi inverter:
1) The power supply voltage is too high
2) The deceleration time setting is too short
3) During the speed reduction process, the discharge unit of the regenerative braking is not ideal. a. It is too late to discharge. The external braking resistor and the braking unit should be added. b. The discharge branch is faulty, and the actual discharge is not discharged.
(2) Undervoltage trip, the possible reasons are:
1) The power supply voltage is too low
2) Power phase failure
3) rectifier bridge fault Taiyuan inverter repair
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Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
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