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Exchange thyristors size H4T
3ADW000803R0101 DCS880 H4T (Tosa) manual en a
9.
Remove all cables and plugs at
the SDCS-PIN-H41:
−
X1G … X6G gate leads.
−
X1 ground.
10.
Remove all cables and plugs at
the SDCS-PIN-H51:
−
X1E ground.
−
XC1 and XD1 DC voltage
measurement.
−
XU1, XV1, XW1 mains
voltage measurement.
−
X22 temperature sensor.
−
X231 and X251 current
transformers.