Howard Voltage Regulators - Manual (Page 7)

SVR-1 Single-Phase Step Voltage Regulators
28-10
Copyright © 2011 Howard Industries, Inc.
7
Document No. 2.4.132
Revision: 0
Issued: October, 2011
Howard Industries, Inc.
Laurel, MS 39440
www.howardtransformers.com
Table 2:
HI-AMP ™ Capabilities, 60 Hz
±10% ±8-3/4% ±7-1/2% ±6-1/4% ±5%
2.5 kV
50
75
100
125
167
250
333
416
200
300
400
500
668
1000
1332
1665
220
330
440
550
668
1000
1332
1665
240
360
480
600
668
1000
1332
1665
270
405
540
668
668
1000
1332
1665
320
480
640
668
668
1000
1332
1665
5.0 kV
50
75
100
125
167
250
333
416
100
150
200
250
334
500
668
833
110
165
220
275
367
550
668
833
120
180
240
300
401
600
668
833
135
203
270
336
451
668
668
833
160
240
320
400
534
668
668
833
7.62 kV
38.1 2
57.2 2
76.2 2
114.3 2
167 2
250 2
333 2
416 2
500 2
667 2
833 2
50/53
75/79
100/106
150/159
219/232
328/347
438/464
548/580
656/668
875/926
1093/1157
55/58
83/88
110/116
165/175
241/255
361/382
482/510
603/638
668
875/926
1093/1157
60/63
90/95
120/127
180/190
263/278
394/417
526/557
658/668
668
875/926
1093/1157
68/72
101/95
135/143
203/215
296/313
443/469
591/625
668
668
875/926
1093/1157
80/85
120/127
160/169
240/254
350/370
525/556
668
668
668
875/926
1093/1157
13.8 kV
69
138
207
276
414
552
667
833
50
100
150
200
300
400
483
604
55
110
165
220
330
440
531
664
60
120
180
240
360
480
580
668
68
135
203
270
405
540
652
668
80
160
240
320
480
640
668
668
14.4 kV
72
144
288
333
432
576
667
833
50
100
200
231
300
400
463
578
55
110
220
254
330
440
509
636
60
120
240
277
360
480
556
668
68
135
270
312
405
540
625
668
80
160
320
370
480
640
668
668
19.92 kV
50
100
200
333
400
667
833
25
50
100
167
200
335
418
28
55
110
184
220
369
460
30
60
120
200
240
402
502
34
68
135
225
270
452
564
40
80
160
267
320
536
668
Rated
Volts
Rated
kVA
Load Current (Amperes) 1
Regulator Range