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Exchange thyristors size H4T
3ADW000803R0101 DCS880 H4T (Tosa) manual en a
The result looks like this.
Remove the gate leads from the faulty thyristor module and mark the connectors clearly.
14. Remove the busbars necessary to get full access to the faulty thyristor module.
15. If a current transformer must be removed, mark its position, direction and the connections clearly.
Note:
Remove only as many parts as needed around the faulty thyristor module.
16. Remove the faulty thyristor module and mark it clearly as defective.
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