35kV Three-phase OLTC Power Transformer
Rockwill OLTC power transformer which is equiped with OLTC for regulatoring the voltage in an accurate range. The on load tap changer is also designed and manufactured by Rockwill. The power transformer is a main part for used in power transmission and distribution system like substation. It completely complies with IEC 60076 standard for meeting different countries' needs.
Features of 35kV OLTC Power Transformer:
1. Iron core is made of high quality cold-rolled silicon steel sheet.
2. High quality insulated copper wire for windings.
3. Sealed structure, maintenance-free, more than 30 years service life.
4. Great transformer oil (25# 40#).
5. On load tap changer with independent property rights.
Parameters 35kV OLTC Power Transformer:
Place of Origin: Wenzhou, China
Brand Name: Rockwill
Usage: Power
Phase: Three
Coil Structure: Toroidal
Coil Number: two windings
Product name: OLTC power transformer
Rated capacity: 10 MVA
Rated voltage: 35 kV
Output Voltage: 6.3/6.6/10/10.5/11 kV
Frequency: 50/60Hz
Material: Copper
Certification: ISO9001
Standard: IEC60076
Connection type: YNd11
Cooling type: ONAF
-
Rated
Power
(kVA) |
High
Voltage
(kV) |
H.V.Tap
range |
Low
Voltage
(kV) |
Connection
symbol |
Short
Circuit
Impendence
(%) |
No-load loss(W) |
On-load loss(W) |
No load
current
(%) |
S9 |
S10 |
S11 |
S9 |
S10 |
S11 |
800 |
35
38.5 |
±3x2.5% |
6.3
6.6
10
10.5
11 |
Yd11
YNd11 |
6.5 |
1320 |
1190 |
1060 |
10500 |
9980 |
9980 |
1.05 |
1000 |
1570 |
1410 |
1260 |
12800 |
12160 |
12160 |
1 |
1250 |
1860 |
1670 |
1490 |
15400 |
14630 |
14630 |
0.9 |
1600 |
2250 |
2030 |
1800 |
18500 |
17580 |
17580 |
0.85 |
2000 |
2880 |
2590 |
2300 |
20250 |
19240 |
19240 |
0.8 |
2500 |
3400 |
3060 |
2720 |
21730 |
20640 |
20640 |
0.8 |
3150 |
7 |
4040 |
3640 |
3230 |
26010 |
24710 |
24710 |
0.72 |
4000 |
4840 |
4360 |
3870 |
30690 |
29160 |
29160 |
0.72 |
5000 |
5800 |
5220 |
4640 |
36000 |
34200 |
34200 |
0.68 |
6300 |
7.5 |
7040 |
6340 |
5630 |
38700 |
36770 |
36770 |
0.68 |
8000 |
9840 |
8860 |
7870 |
42750 |
40610 |
40610 |
0.6 |
10000 |
11600 |
10440 |
9280 |
50580 |
48050 |
48050 |
0.6 |
12500 |
8 |
13680 |
12310 |
10940 |
59850 |
56860 |
56860 |
0.56 |
16000 |
16460 |
14810 |
13170 |
74020 |
70320 |
70320 |
0.54 |
20000 |
19460 |
17510 |
15570 |
87140 |
82780 |
82780 |
0.54 |
25000 |
23700 |
21330 |
18960 |
107000 |
101650 |
101650 |
0.5 |
31500 |
27500 |
24750 |
22000 |
126000 |
119700 |
119700 |
0.45 |