5000 KVA 3-Phase Oil Filled OLTC Power Transformer

The product complies with national standards GB1094 “Power Transformer” and GBT6451 “Three-phase Oil-immersed Power Transformer Technical Parameters and Requirements”.
GB/T6451 Technical Parameters and Requirements for Three-phase Oil-immersed Power Transformers.
Requirements”. The product has adopted a series of important reforms in material, process and structure.
The product has adopted a series of important reforms in material, process and structure, so that the electrical performance of the product has reached the advanced level of similar products in the 1990s.
Advanced level of similar products in the 1990s. With high efficiency and low loss, it can save a lot of electricity consumption and operation cost.
With high efficiency and low loss, it can save a large amount of power consumption and running cost.
It is also the most popular product among users. It is also one of the most popular products among users.


  • Product Code: SZ11 -5000/35-0.4

Performance Characteristics

●Comparing S11 series products with “9” series products, the no-load loss of S11 series products is reduced by 14.88%, the load loss is reduced by 10.47%, and the total loss is reduced by 11.14%, which has obvious energy saving benefits and good social benefits. Load loss is reduced by 10.47%, the total loss is reduced by 11.14%, the energy saving benefit is obvious, and has a good social benefit.

Implementation standards

●GB1094.1~2-2013 Power Transformer
●GB1094.3,5-2003 Power Transformer
●GB1094.4-2005 Power Transformer
●GB/T6451-2015 three-phase oil-immersed power transformer technical parameters and requirements

Model Number and Meaning

Model Number S11-□/□

S11
Three phase oil immersed transformerSealed constructionRated capacity(KVA)Voltage level(KV)

Technical Parameters

Rated capacity
(KVA)
Voltage combinationConnection group labelNo-load loss
(W)
load loss
(W)
Short circuit resistance(%)  
No-load current
(%)
Weight(Kg)External dimensionsGauge
(mm)
High tension
(KV)
Tapoff
(%)
Low pressure
(KV)
Body weightOil weightTotal weighttransport weightL×W×H
80033

35

38.5

±4×2.5%
0.4
0.415
0.422
0.433
YNd11








YNd11
0.98 9.40 6.50.801780920356035602300×1540×2300820×820
10001.15 11.54 0.751880970378030802400×1625×2370820×820
12501.40 13.93 0.7220701010408033202425×1725×2475820×820
16001.70 16.67 0.6424801090466038352465×1835×2525820×820
20002.17 18.38 0.5629801300545054502660×2180×2250820×820
25002.56 19.66 0.4834501330617061702710×2300×24001070×1070
31503.04 23.08 7.00.4538201370753057502840×2600×24101070×1070
40003.62 27.36 0.4243202050940070202770×2760×26501070×1070
50004.32 31.38 0.39580019401002084302865×2425×28701070×1070
63005.25 35.05 7.50.37686023201158094603090×2285×31501070×1070
80007.20 38.47 0.348093250014120115003732×3054×32871475×1475
100008.70 45.31 0.339863285016481135003387×3152×33671475×1475
1250010.08 53.86 8.0 0.3210932335018345148903550×3192×34321475×1475
1600012.16 65.83 0.3113438375022415183453908×3354×35821475×1475
2000014.10 79.50 0.30Please contact us for disaggregated data.
2500017.0 94.00 0.25
3150020.20 112.00 0.25

Note:

1. 8000kVA and above capacity transformers for air cooling units are also available on request (Model:SFZ11).

2.Transformer with various voltage combination, short-circuit impedance and connection mode can be provided according to user needs.

3.Special transformers may be provided according to the user requirements,such as rectifier transformer, electric furnace transformer, etc.

4. The weight and external dimension data in the table are for reference only, and are subject to change without further notice.