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F515 M1FexOverCur Motor 1 field exciter overcurrent Fault In ABB DCS800

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click2electro
Posts: 5079
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(@click2electro)
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Joined: 2 years ago

In 99 group which value you feed 6.2 or 2.2 

1. Check field current in  parameter 1.30,

2. Are you use field weeaking

If you are not using field weeaking then set field current value 6.2 in 99 group then fault rectify.

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Jaivignesh1898
(@jaivignesh1898)
Joined: 2 weeks ago

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Posts: 6

@click2electro sir I changed field bridge then during spinning speed starts decreasing from maximum speed it shows arm over current 

I checked thyristor all are ok

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click2electro
Posts: 5079
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Topic starter
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Joined: 2 years ago

1. Check armature current in group 1

2. If armature current value higher then motor rated value then reduce load.

3. If all are ok then need to change control card.

3. One more thing increase de-acceleration time then check.

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