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Case study on maintenance of ABB medium voltage converter in Water Affairs Bureau
Publish:Shenzhen City Jia Hong Wei Technology Co., Ltd.  Time:2016-11-10
Case study on maintenance of ABB medium voltage converter in Water Affairs Bureau
Customer: Shenzhen water group
Name: medium voltage ACS800-ABB converter
Model: ACS800-07-0870
Fault reason: operating frequency up to 45HZ above the alarm
Failure analysis: according to customer response to the medium voltage inverter for urban water network, the fault for the frequency of the frequency of the frequency of the frequency of the frequency of 45HZ to reach the alarm when the need to restart. The field engineer measured the output voltage and current are within the normal range, the power to open the shell measurement board to control the normal signal in the measurement of the ABB interface board: DSSB-01C found the circuit board has obvious burn, circuit analysis found that this failure is IC next to a patch capacitor lead to bad. After the replacement of the lifting of the fault.
Hong Jia Wei ABB inverter maintenance maintenance, common fault repair ABB converter: no display, lack of phase, overcurrent, overvoltage, undervoltage, overheating, overload, grounding, parameter error, output module, display without damage; ABB inverter repair: ACS150 series, ACS300 series, ACS350 series, ACS400 series, ACS500 series, ACS600 series, ACS800 series, ACS510 series, ACS550 series, ACS150 IP20 series inverter;
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