S(Z)11-630~31500/35 Series of On-load Regulation Oil-immersed Transformer

power transformer, Oil-immersed Transformer,electrical
power transformer, Oil-immersed Transformer,electrical
power transformer, Oil-immersed Transformer,electrical
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Products Range

Our company can produce a variety of oil-immersed transformers with a voltage rating of 35kV or less and a capacity of 12500kVA or less. The variety includes S9, S11 series and S13, S15 series of energy-saving products. The product is widely used in industrial and mining enterprises, agriculture, civil construction and other distribution sites as well as oil, chemical industry, more oil, more chemical substances in the places.

Executive Standard:

GB1094     Electrical Transformer
IEC60076   Electrical Transformer
JB/T6451  Specification and Technical Requirements for Oil-immersed Power Transformers
JB/T10088   6kV~500kV Power Transformer Sound Level
GB/T7595     Quality of Transformer Oils in Service

Features of Products

  1. The body adopts a new type of insulation structure to improve the ability to withstand short-circuits;
  2. Spiral coil with longitudinal oil passage has a better internal heat dissipation;
  3. High efficiency, low loss, can save a lot of power and operating costs;
  4. The surface of the corrugated oil tank is coated with three anti-paint after oil removal, rust removal, and phosphating. It is suitable to use in metallurgy, petrochemical, and mining environments.
Technical Parameters:
rated capacity
(KVA)
voltage group connection
 method
loss(KW) no-load
current(%)
Impedance
 voltage(%)
outline 
dimension(mm)
weight
(Kg)
gauge
High-voltage(KV) Low-voltage(KV) no-load load75℃ (L×B×H) vertical/
horizontal(mm)
630 35-
38.5
3.15
6.3
10.5
Yd11 0.83 7.87 1.1 6.5 2300×1100×2000 2610 820/820
800 0.98 9.41 1 2390×1130×2070 3310
1000 1.15 11.54 1 2420×1200×2110 3580
1250 1.41 13.94 0.9 2500×1270×2130 3990
1600 1.7 16.67 0.8 2510×1290×2340 4740
2000 2.18 18.38 0.7 2420×2070×2390 5120
2500 2.56 19.67 0.6 2520×2210×2470 5880 1070/1070
3150 35-
38.5
3.15
6.3
10.5
3.04 23.09 0.56 7 2630×2280×2510 7770
4000 3.26 27.36 0.56 2720×2430×2570 8750
5000 4.32 31.38 0.48 2870×2470×2750 9930
6300 5.25 35.06 0.48 7.5 3100×2580×2950 12760  1475/1475
8000 35-
38.5
3.15
3.3
6.3
6.6
10.5
11
YNd11 7.2 38.48 0.42 3250×2680×3150 14500
10000 8.7 45.32 0.42 3320×2720×3230 16900
12500 10.08 53.87 0.4 8 3410×2950×3410 19980
16000 12.16 65.84 0.4 3600×3220×3630 24200
20000 14.4 79.52 0.4 3810×3640×4040 31200
25000 17.02 94.05 0.32 4180×4170×4260 36100 2040/2040
31500 20.22 112.8 0.32 4820×4630×4440 42600

Note:Due to continuous product improvement, the dimensions provided in this sample are for reference only. If necessary, our company can design and produce according to user requirements. Please contact the company in time.
 
Technical Parameters:
rated capacity
(KVA)
voltage group connection
 method
loss(KW) no-load
current(%)
Impedance
 voltage(%)
outline dimension(mm) weight
(Kg)
gauge
High-voltage(KV) Low-voltage(KV) no-load load 75℃ (L×B×H) vertical/
horizontal(mm)
2000 35- 6.3 Yd11 2.3 19.12 0.8 6.5 2460×2050×2500 2610 1070/1070
2500 38.5 10.5 2.72 20.53 0.8 2340×2300×2930 3310
3150 35- 6.3 3.23 24.56 0.72 7 2350×2350×2990 3580
4000 38.5 10.5 3.87 28.98 0.72 2400×2410×3050 3990 1435/1435
5000     4.64 34 0.68 2440×2450×3100 4740
6300     5.63 36.55 0.68 7.5 2470×2510×3170 5120
8000 35-   YNd11 7.87 40.37 0.6 2500×2590×3230 5880 1475/1475
10000 38.5 6.3 9.28 47.77 0.6 2550×2610×3250 7770
12500   6.6 10.94 56.52 0.56 8 2780×2660×3300 8750
16000   10.5 13.16 69.77 0.54 3020×2710×3370 9930
20000   11 15.56 82.78 0.54 3250×2760×3410 12760

Note:Due to continuous product improvement, the dimensions provided in this sample are for reference only. If necessary, our company can design and produce according to user requirements. Please contact the company in time.
 
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