Two Winding Off-load Tap Change Power Transformer
Rated Power (kVA)
Voltage Combination
Vector Group
Loss(kW)
No-load Current(%)
Impedance (%)
Primary Voltage
Secondary Voltage
No load
Load
31500
220±2*2.5% 242±2*2.5%
6.3
6.6
10.5
11
YNd11
24
128
0.7
13
40000
30
140
50000
37
175
0.5
63000
45
230
13.5
75000
13.8
50
268
0.4
17
80000
53
262
0.3
90000
60
270
12~14
120000
80
325
14
150000
11 13.8 15.75 18 20
85
430
18
160000
95
420
180000
480
0.2
14~16
240000
96
620
18.5
250000
120
518
290000
145
550
300000
15.75 18 20
126
640
330000
135
680
15
360000
165
670
370000
157
720
400000
185
735
420000
200
820
0.16
Two Winding On-load Tap Change Power Transformer
220±8*1.25%
6.3 6.6 10.5 11 35 37 38.5
35
0.70
40
170
51
0.60
55
210
10.5 11 35 37 38.5
70
0.40
90
340
405
0.30
130
450
0.20
66 69
98
365
115
440
133
498