Siemens MJ-4A Installation And Operation Manual page 24

4
Setting Up the MJ-4A & MJ-4B Control Panel
U2PT: 7620:121
P2PT: 7620:120
Figure 4.1 Typical Siemens Regulator Nameplate for older ANSI Type B (Inverted) Regulator
Note: Items are not highlighted on actual nameplate
U2PT: 7620:124
P2PT: 7620:124
Figure 4.2 Typical Siemens Regulator Nameplate for ANSI A (Straight) regulator without a Load Side PT.
20
SIEMENS
5/8% Step-Voltage Regulator
Single Phase Type JFR 60 Hz
76.2 kVA 7620 volts 10% in 32 - 5/8% Steps
Insulating Fluid : ASTM D-3487 Type II Mineral Oil
Fluid PCB co ntent : Less tha n 1 p pm at tim e of manufacture
Untanking Hgt = 114 in.
Untanking Wgt = 937 lbs.
% Regulation 10 8 7 6 5
3/4 1/2 1/4
Max Amps 100 110 120 135 160
Forward Power Flow - Connect Load Side
Voltage Transformer per Table 1.
Control & M otor Control Panel Conn
Load
Volts Volts Connect PA P14A Control
10% E-P2 * to to
8000 127 V P2-P3 20 27
7620 121 V P2-P3 20 21
7200 123 V P2-P4 20 23
6930 118 V P2-P4 23 21
5000 124 V P2-P5 21 20
4330 125 V P2-P6 20 20
2500 121 V P2-P7 25 21
Reverse Power Flow - Connect Source Side
Voltage Transformer per Table 2.
Control & M otor Control Panel Conn
Source
Volts Volts Connect PB P14B Control
10% E-P12 * to to
8000 120 V P12-P13 20 20
120 V P12-P14
7620 20 20
7200 120 V P12-P15 20 20
Aluminum conductor in shunt winding.
Aluminum conductor in series winding.
Do not by-pass unless on neutral and control switch on panel is off
See instruction book before placing in service.
S i e m e n s P o w e r T r a n s m i s s i o n & D ist r i b u t i o n , I n c .
M a d e i n U S A
J a c k s o n , M S
Serial No.
55 C Rise 95 BIL Class 0A
100 Amps
Oil = 62 gals
Total Wgt = 1598 lbs.
* Control diag :
Nameplate :
SOURCE
SL
LOAD
S L
CT
Volts E1
100 : 0.2
C3 E3 P14
120 V P13 P15
AMPS
120 V
120 V
120 V
125 V
125 V K
125 V
M
A B
0 1 2 3 4 5 6 7 8
P6 P4 E2
Volts
P7 P5 P3
120 V
120 V
120 V
CT sec conn C2 to C3
21-115905-002
TapChngr SIEMENS
I FullLoad 100
CTratio 100:0.2
Tap Changer
Reversing Switch
Tap Changer
Preventive
Autotransformer
Utility Pol NORM
(E2 to right of P terminals)
TapChngr SIEMENS
I FullLoad 328
Type STRAIGHT
CTratio 400:0.2
Utility Pol NORM
(E2 to right of
U Terminals)
Siemens Energy, Inc.