Emerson MPR15 Series - Manual (Page 31)

31
25A Switch Mode Rectifier  NT5C06B / C Installation and User Manual
Power shelf
Mechanical
The power shelf provides housing for plug-in rectifiers and for an optional
LVD. The power shelf provides power connections and signal access to the
rectifiers.
As listed in Table 4, there are two shelf sizes with the following capacities:
a) 19-inch mounting - 2 x MPR25 or MPR15 (Figure 4)
- 2 x MPR25 or MPR15 + LVD
- 3 x MPR25 or MPR15
b) 23-inch mounting - 3 x MPR25 or MPR15 (Figure 5)
- 2 x MPR25 or MPR15 + LVD (Figure 7)
- 2 x MPR25 or MPR15 + LVD +
RPM1000C (Figure 6)
- 3 x MPR25 or MPR15 + EQL SW
Assembly (Figure 8)
c) There are two main application versions:
System
• In the system version (Table 4) the rectifier signals are brought
out from the shelf through cables terminated with connectors
which connect to the power plant's Controller.
• The AC input is either common bussed or individually fed,
equipped or not, for EMI filtering to the rectifiers.