35KV Oil-Immersed Three-Phase On-Load Voltage Regulating Power Transformer

35KV Oil-Immersed Three-Phase On-Load Voltage Regulating Power Transformer

The coil heat dissipation of S11 series 35KV oil-immersed three-phase on-load voltage-regulating power transformer uses a new oil channel structure, with reasonable design, and optimization of insulation technology, improving mechanical strength and short-circuit resistance. The core is made of high quality cold rolled silicon steel sheet, staircase three-stage joints, and the surface is coated with curing paint, which reduces the loss and noise, beautiful in appearance and reliable in operation.
 

35KV Oil-Immersed Three-Phase On-Load Voltage Regulating Power Transformer

Technical specifications:
A. Normal operating conditions: no more than 1000M above sea level, the highest temperature + 40
, the hottest monthly average temperature + 30; the lowest temperature - 25 (for outdoor); and the lowest temperature - 5 (for indoor).

B. Maximum voltage is 40.5KV, rated lightning impulse withstand voltage: 200KV (full wave) 220KV (chopped wave), rated short-term external withstand voltage 85KV
C. The plateau type transformer can be selected when the altitude exceeds 1000M; for the transformer insulation oil, No. 25 transformer oil or No. 45 transformer oil can be selected in low temperature areas.


Product characteristics:
The coil heat dissipation of S11 series 35KV oil-immersed three-phase on-load voltage-regulating power transformer uses a new oil channel structure, with reasonable design, and optimization of insulation technology, improving mechanical strength and short-circuit resistance. The core is made of high quality cold rolled silicon steel sheet, staircase three-stage joints, and the surface is coated with curing paint, which reduces the loss and noise, beautiful in appearance and reliable in operation.



 
SZ11 Series 630-31500KVA 35KV Three phase
on-load-tap-changing oil-immersed power transformer technical parameters
Rated Capacity/KVA
Rated Voltage
Vector Group
No-load loss(W)
No-load current %
Load loss(75℃) W
Short-circuit impedance
Weight Kg
Track gauge(mm)
Horizontal*Vertical(A*B)
External dimension 
Length*Width*Height
High Voltage KV
High Voltage Tap Range
Low Voltage KV
Net weight
Oil weight
Total weight
630
35 or 38.5
±3
x2.5%
6.3
6.6
10.5
11
Yd11
880
1.1
8255
6.5
1740
910
3150
820*820
2510*1420*2040
800
1040
1.0
9870
2050
1050
3700
820*820
2680*1510*2310
1000
1220
1.0
12120
2500
1500
4750
820*820
2850*1600*2580
1250
1490
1.0
14630
3000
1550
5200
1070*1070
2880*1750*2600
1600
1790
0.9
17500
3500
1600
6100
1070*1070
2900*1950*2700
2000
2300
0.8
19240
4000
1750
7000
1070*1070
3050*2000*2800
2500
2720
0.7
20640
4600
2100
8000
1070*1070
3200*2100*2850
3150
3230
0.7
24710
7.0
5300
2450
9150
1070*1275
3500*2840*2800
4000
3870
0.6
29160
6000
2650
10500
1070*1275
3600*2900*2920
5000
4640
0.6
34200
6800
2900
12000
1070*1275
3700*3200*2950
6300
5630
0.4
36770
7.5
7800
3400
13700
1070*1275
3900*3260*3100
8000
YNd11
7870
0.4
40610
8900
4300
17500
1475*1475
4100*3400*3200
10000
9280
0.4
48050
10600
4500
20000
1475*1475
4350*3400*3350
12500
10940
0.3
56860
8.0
12600
5500
23500
1475*1475
4450*3600*3850
16000
13170
0.3
70320
15100
6380
27500
1475*1475
4800*4100*3950
20000
15570
0.2
82780
18100
7900
32800
1475*1475
4900*4150*4100
25000
18500
0.2
98200
22000
8500
39500
1475*1475
5100*4350*4150
31500
21900
0.2
116500
26000
9500
43500
1475*1475
5200*4350*4300

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