Transient suppression network fuse replacement – Rockwell Automation 7000 PowerFlex Medium Voltage AC Drive (B Frame) - Classic Control User Manual

Page 298

Advertising
background image

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 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.

Transient Suppression

Network Fuse

Replacement

Advertising