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Planning the electrical installation 63
Implementing the emergency stop function
The converter can be equipped with an emergency stop circuit which can be used to
implement the emergency stop function.
Converters with the Q951, see
Emergency stop, stop category 0 (Q951)
for ACS880-77LC/87LC wind turbine converters user's manual
(3AXD50000040787
[English]).
Implementing the grid fault ride-through function
See the firmware manual.
Supplying power for the auxiliary circuits
The converter is not equipped with an auxiliary voltage transformer. Always connect an
external auxiliary power supply. For the power rating, see section
on page
As standard, the converter auxiliary circuit is to be supplied from the electrical power
network through an external transformer.
The converter is equipped with connectors for 3-phase 400 V AC non-uninterruptible
power supply, and 230 V AC uninterruptible power supply. The customer has to supply
uninterruptible power from an external on-line power supply.
Summary of Contents for ACS880-87LC-4000A/4021A-7
Page 4: ......
Page 10: ...10 ...
Page 17: ...Safety instructions 17 1 3 2 4 5 6 7 ...
Page 18: ...18 Safety instructions 8 9 ...
Page 28: ...28 Introduction to the manual ...
Page 52: ...52 Mechanical installation ...
Page 66: ...66 Planning the electrical installation ...
Page 74: ...74 Electrical installation Diagrams for the customer connections are presented below ...
Page 75: ...Electrical installation 75 optional Fast shutdown ...
Page 85: ...Maintenance 85 b c a Air flow direction 2 3 4 6 ...
Page 87: ...Maintenance 87 2 5 4 ...
Page 88: ...88 Maintenance 7 Arrow indicating the air flow direction 5 6 6 ...
Page 90: ...90 Maintenance Air flow circulation b a ...
Page 106: ...106 Maintenance ...
Page 124: ...124 Control units of the converter ...
Page 126: ...126 Dimension drawings ...
Page 127: ...Dimension drawings 127 ...
Page 128: ...128 Dimension drawings ...
Page 142: ...142 Cooling and heating ...