Oil Immersed Non-excitation Tap-changing Transformer of 35kV and Below
Tap-changing Transformer of 35kV and Below
This kind of product is applied to power system of three-phase, 50Hz as well as
35kV and below, it is the main transformer equipment of medium and small-sized
transformer substation, supplies power distribution, power and illumination for
the industry and agriculture.
The company introduces in domestic and overseas advanced technique, adopts
the latest material and optimizes design, which enables the product structure
more reasonable, and greatly improves the product electric strength, mechanical
strength and heat-sinking capability. S9 series product has passed the short-circuit
test prepared by Wuhan High Voltage Research Institute and also the test
prepared by National Center for Quality Supervision & Test of Transformer.
Rated
capacity (kVA) |
Voltage |
Connection
symbol |
Loss(kW) |
No-load
current (%) |
Short circuit
impedance (%) |
Weight (kg) | |||||
H.V(Kv) |
Tapping range of
high voltage |
L.V
(kV) |
Load loss |
No-load
loss |
Oil
weight |
Total
weight |
|||||
(Y) | (D) | ||||||||||
30 |
6
6.3 6.6 10 10.5 11 |
±5%
±2×2.5% |
0.4 |
Yyno
Dyn11 |
0.60 | 0.63 | 0.10 | 2.1 | 4 | 65 | 275 |
50 | 0.87 | 0.91 | 0.13 | 2.0 | 80 | 360 | |||||
63 | 1.04 | 1.06 | 0.15 | 1.9 | 87 | 415 | |||||
80 | 1.25 | 1.31 | 0.18 | 1.8 | 95 | 470 | |||||
100 | 1.50 | 1.58 | 0.20 | 1.6 | 105 | 545 | |||||
125 | 1.80 | 1.89 | 0.24 | 1.5 | 120 | 640 | |||||
160 | 2.20 | 2.31 | 0.28 | 1.4 | 135 | 745 | |||||
200 | 2.6 | 2.73 | 0.33 | 1.3 | 160 | 880 | |||||
250 | 3.05 | 3.2 | 0.40 | 1.2 | 200 | 1035 | |||||
315 | 3.65 | 3.83 | 0.48 | 1.1 | 235 | 1220 | |||||
400 | 4.30 | 4.52 | 0.57 | 1.0 | 260 | 1405 | |||||
500 | 5.10 | 5.41 | 0.68 | 1.0 | 295 | 1655 | |||||
630 | 6.20 | 6.20 | 0.81 | 0.9 | 4.5 | 360 | 1975 | ||||
800 | 7.5 | 7.50 | 0.98 | 0.8 | 430 | 2355 | |||||
1000 | 10.30 | 10.30 | 1.15 | 0.70 | 520 | 2715 | |||||
1250 | 12.00 | 12.00 | 1.36 | 0.60 | 585 | 3335 | |||||
1600 | 14.50 | 14.50 | 1.64 | 0.6 | 660 | 3855 |
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