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Appendix
Connections and voltage levels
Table 9 . Tap connections & voltage levels (60 Hz)
Regulator
Voltage
Rating
Nominal
Single-
Phase
Voltage
Ratio-Adjusting Data
Test
Terminal
Voltage
b
Overall
Potential
Ratio
b
Internal
Tap
a
PT
Ratio
RCT
Tap
1
2
3
4
5
6
7
2500
2500
–
20:1
120
125
20:1
2400
–
20:1
120
120
20:1
5000
5000
E
1
/P
1
40:1
120
125
40:1
4800
E
1
/P
1
40:1
120
120
40:1
4160
E
1
/P
1
40:1
104
120
34.7:1
2400
E2/P
2
20:1
120
120
20:1
7620
8000
E
1
/P
1
60:1
133
120.5
66.5:1
7970
E
1
/P
1
60:1
133
120
66.5:1
7620
E
1
/P
1
60:1
127
120
63.5:1
7200
E
1
/P
1
60:1
120
120
60:1
6930
E
1
/P
1
60:1
115
120.5
57.5:1
4800
E2/P
2
40:1
120
120
40:1
4160
E2/P
2
40:1
104
120
34.7:1
2400
E
3
/P3
20:1
120
120
20:1
13800
13800
E
1
/P
1
115:1
120
120
115:1
13200
E
1
/P
1
115:1
115
120
110.2:1
12470
E
1
/P
1
115:1
104
120
99.7:1
12000
E
1
/P
1
115:1
104
120
99.7:1
7970
E2/P
2
57.5:1
133
120
63.7:1
7620
E2/P
2
57.5:1
133
120
63.7:1
7200
E2/P
2
57.5:1
120
120
57.5:1
6930
E2/P
2
57.5:1
120
120
57.5:1
14400
14400
E
1
/P
1
120:1
120
120
120:1
13800
E
1
/P
1
120:1
115
120
115:1
13200
E
1
/P
1
120:1
110
120
110:1
12000
E
1
/P
1
120:1
104
115.5
104:1
7970
E2/P
2
60:1
133
120
65.5:1
7620
E2/P
2
60:1
127
120
63.5:1
7200
E2/P
2
60:1
120
120
60:1
6930
E2/P
2
60:1
150
120.5
57.5:1
19920
19920
E
1
/P
1
166:1
120
120
166:1
17200
E
1
/P
1
166:1
104
119.5
143.9:1
16000
E2/P
2
120:1
133
120.5
133:1
15242
E2/P
2
120:1
127
120
127:1
14400
E2/P
2
120:1
120
120
120:1
7970
E
3
/P3
60:1
133
120
65.5:1
7620
E
3
/P3
60:1
127
120
63.5:1
7200
E
3
/P3
60:1
120
120
60:1
Table 9 . (continued)
Regulator
Voltage
Rating
Nominal
Single-
Phase
Voltage
Ratio-Adjusting Data
Test
Terminal
Voltage
b
Overall
Potential
Ratio
b
Internal
Tap
a
PT
Ratio
RCT
Tap
1
2
3
4
5
6
7
34500
34500
E
1
/P
1
287.5:1 120
120
287.5:1
19920
E2/P
2
165.5:1 120
120.5
165.5:1
a
P taps are used with E taps only on regulators where an internal potential transformer is
used in conjunction with the control winding to provide voltage supplies to the control.
See nameplate for verification of this type of control supply.
b
Test terminal voltage and overall potential ratio may vary slightly from one regulator to
another. See the regulator nameplate for determining the exact values.
36
VR-32 and EVER-Tap™ Voltage Regulator
InstallatIon, operatIon, and MaIntenance InstructIons
MN225008EN June 2020