Manual

6-8 Component Definition and Maintenance
7000-UM150I-EN-P – June 2013 7000 “B” Frame
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 NA 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.
Transient Suppression
Network Fuse
Replacement