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F30021 :- POWER UNIT GROUND FAULT

9/15/2011 7:30 PM	Rate (1)
ani_1986 Posts: 32 Rating: (1)	Dear All, i am currently facing the fault F30021 :- power unit ground fault while running a 690v s120 chasiss motor module fed by BLM. The motor triped at this fault. After acknowledge the fault i again started the drive & motor run about 10-15 mins &then again tripped at same fault. I checked the fault help & found possible causes are :- power cable fault or winding fault or CT defective. But my question is that if any ground fault is there then why after acknowledge the fault motor run about 10-15 mins then tripped ? In a exper list there is a parameter p287: ground fault monitoring threshold ( value is 6%) which is % maximum drive current. What is the meaning of it ? How it works? I could not find anything regarding this fault in function diagram. Please help me why it happens & hwhat is the meaning of it & how it works? Thanks in advance. With best regards, ani_1986
ani_1986 Posts: 32 Rating: (1)
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This contribution was helpful to 1 thankful Users safiali

4/11/2024 2:41 AM	Rate (0)
Lordsagui Posts: 3 Rating: (0)	Good night my friend, someone have helped you? I have the same problem
Lordsagui Posts: 3 Rating: (0)
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9/23/2024 6:39 AM	Rate (0)
Kumbar Posts: 1 Rating: (0)	Sir waht is solution for F30021 we check no cables are ground
Kumbar Posts: 1 Rating: (0)
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