China Electrical Power Transformer manufacturer

S11/10KV Oil-immersed transformer fully sealed two windings

Product Details:
Place of Origin: China
Model Number: s11
Payment & Shipping Terms:
Minimum Order Quantity: 1
Price: 200-200000/piece
Packaging Details: wooden case
Delivery Time: 15 DAYS
Payment Terms: LC T/T
Supply Ability: 5000 pieces/year
Contact Now

Detail Information

Usage: Power Product Name: Three Phase Oil Transformer
Frequency: 50Hz/60Hz Output Voltage: Customize
Color: Optional Application: Change Voltage
Place Of Origin: Qingdao,China
High Light:

oil immersed distribution transformer


oil immersed power transformer

Product Description

S11/10KV Oil-immersed transformer

                                                S11/10KV Oil-immersed transformer  fully sealed  two windings 0

Product Features:

S11-30 ~ 3150KVA/10KV series distribution transformers have remarkable energy-saving effect. They adopt new iron core materials, fully inclined three-seam structure and even magnetic circuit distribution, which greatly reduces no-load excitation current and no-load loss. S11 products, on the basis of S9 series, reduce no-load loss by 30% on average, reduce no-load current by 70%, and reduce noise by about 8 db.Install pressure release valve, signal thermometer, gas relay, etc. according to the standard requirements to ensure the safe operation of the transformer.It has the characteristics of reliable operation, small size, light weight, low noise, good technology, good heat dissipation, low temperature rise, no core structure, no pollution, no maintenance, high efficiency.



Technical data


Serial number

Rated Capacity


Type Vector Group


current (%)


loss (kW)

Load loss (kW) Short-circuit impedance (%) Type
1 30 S11-30/10 Y,yn0 2.1 0.1 0.6 4.0 Distribution transformer
2 50 S11-50/10 2.0 0.13 0.87
3 63 S11-63/10 1.9 0.15 1.04
4 80 S11-80/10 1.8 0.18 1.25
5 100 S11-100/10 1.6 0.2 1.5
6 125 S11-125/10 1.5 0.24 1.8
7 160 S11-160/10 1.4 0.28 2.2
8 200 S11-200/10 1.3 0.34 2.6
9 250 S11-250/10 1.2 0.4 3.05
10 315 S11-315/10 1.1 0.48 3.65
11 400 S11-400/10 1.0 0.57 4.3
12 500 S11-500/10 1.0 0.68 5.1
13 630 S11-630/10 0.9 0.81 6.2 4.5
14 800 S11-800/10 0.8 0.98 7.5
15 1000 S11-1000/10 0.7 1.15 10.3
16 1250 S11-1250/10 0.6 1.36 12
17 1600 S11-1600/10 0.6 1.64 14.5


Structural characteristics


1, the core

The silicon steel sheet of iron core adopts high quality cold-rolled orientation 30Q120 or 30QG105 grade, full diagonal joint, step-type three-stage joint structure type, the side of iron core is coated with polyurethane adhesive, the upper and lower iron yoke is clamped with channel steel, and the upper and lower clamps are tightened with screw.


2, coil

The wire is made of oxygen-free copper, the flat wire is zb-0.45, the round wire is QQ-2, the high-voltage coil is of layer type, the low-voltage coil can be divided into ≤500kVA as layer type and ≥ 630kVA as new spiral type according to the capacity.


3. Body insulation

In the iron core window, a 25mm thick laminated cardboard coil is added to the upper end of the coil, which not only strengthens the main insulation strength, but also improves the axial dynamic stability of the coil.





S11/10KV Oil-immersed transformer  fully sealed  two windings 1


·Service conditions

1. The maximum ambient air temperature shall not exceed 40 ℃, and the minimum shall not below - 25 ℃;

2. The altitude shall not exceed 1000m. If special customized transformers and low-voltage components are used, the altitude can reach 4000m;

3. The vertical inclination is no more than 5 °, and no violent vibration and impact;

4. The air humidity is not more than 90% (+ 25 ℃);

5. No gas and conductive dust that will seriously affect the insulation of transformer, no explosion hazard and corrosion of electrical components;

6. Outdoor wind speed shall not exceed 35m / s.

7. If service conditions beyond the above, specially customized product is available.



S11/10KV Oil-immersed transformer  fully sealed  two windings 2



If any interest , pls feel free to contact us:


S11/10KV Oil-immersed transformer  fully sealed  two windings 3

Get in touch with us

Enter Your Message

You Might Be Into These