Rockwell Automation 7000L PowerFlex Medium Voltage AC Drive (C Frame) - Classic Control - Manual (Page 352)

6-8 Component Definition and Maintenance
7000L-UM300I-EN-P – June 2013 7000 “C” Frame
Transient Suppression
Network – TSN (cont.)
U V W
Drive Input Power
from
Line Terminals
Transient Suppression Network
Medium Voltage Input Fuses
Phase MOV
Suppressor
Ground MOV
Suppressor
Figure 6.6 – Simplified Wiring Diagram
Two sizes of fuses (5 kV, 7.2 kV) are available within the Transient
Suppression Network (TSN) located inside the connection cabinet. The
18-pulse drive contains three TSNs.
1. Ensure there is no power to the equipment.
A T T E N T I O N A T T E N T I O N To prevent electrical shock, ensure the main power
has been disconnected before working on the drive.
Verify that all circuits are voltage free using a hot
stick or appropriate voltage-measuring device.
Failure to do so may result in injury or death.
2. Fuses are held in a place with a fuse clip. To remove the fuse
pull firmly.
Transient Suppression
Network Fuse Replacement