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VACON® 1000
Operating Guide
Illustration 16: Output Filter Cabinet
When to select the Output Filter cabinet option?
The need for an output filter is application and case specific. Several things must be considered to find out if a dU/dt Filter is re-
quired:
•
The type of the motor.
•
The type of the motor cable.
•
The length of the motor cable.
To evaluate if a dU/dt Filter is required, contact Danfoss.
3.3.7 Bypass Cabinet
Different bypass cabinets are available as options:
•
Manual bypass cabinet
•
Automatic bypass cabinet
•
Synchronous transfer cabinet
3.3.7.1 Manual Bypass Cabinet
Illustration 17
shows a typical bypass cabinet configuration, where:
•
QS41 is a single-pole isolation switch with a manual grounding knife gate.
•
QS42 and QS43 are double-pole double-throw manual knife gate isolation switches.
MCB
HV~
Illustration 17: Manual Bypass Cabinet Circuit Diagram
The bypass cabinet includes an isolation switch, which:
24 | Danfoss A/S © 2021.06
QS41
Drive
DN41
Manual bypass cabinet
Product Overview
QS42
QS43
AQ363633621020en-000201 / 172F3117
M
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