10KV Fully Sealed Three-phase Oil-immersed Power Distribution Transformer

Nov 07, 2025

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10kv Oil immersed Transformer Type


For HENAN GNEE ELECTRIC CO., LTD., a 10kv transformer can be a three-phase oil immersed transformer, a column mounted three-phase oil immersed transformer, or a three-phase pad mounted transformer. These types of transformers have the same principle, but their structures are different, and different types of transformers have different applications. HENAN GNEE ELECTRIC CO., LTD. provides you with the most ideal solution.

10kV three-phase oil immersed transformer (rated voltage 6kV-35kV)

Install a three-phase oil immersed transformer (rated voltage 2.4kv-34.5kv) on an 10kV column

10kV three-phase pad mounted transformer (rated voltage 2.4kv-34.5kv)

 

10kv Oil immersed Transformer Technical Specifications


- Input voltage: 10kV

- Output voltage: 0.4kV 0.415 kv 0.420kv 0.430kv 0.440kv
- Capacity: 30-2500 kva
- Frequency: 50/60 HZ
- Remark: voltage, capacity, frequency, connection group and loss can be customized according to customer requirements

S11

Capacity

Rated voltage&Off-load tapping Vector
GroupSymbol
NO-load
loss(W)
Load loss(W) NO-load current(%) Short
circuit impedance(%)
H.V(kv) High pressure
Tap range(%)
L.V(kv)
30 kva 11 10.5
10 6.3
6
±5%
±2x2.5%
0.4
0.415
0.420
0.430
0.440

Dyn11
Yyn0
100 630/600 1.5 4
50 kva 130 910/870 1.3 4
63 kva 150 1090/1040 1.2 4
80 kva 180 1310/1250 1.2 4
100 kva 200 1580/1500 1.1 4
125 kva 240 1890/1800 1.1 4
160 kva 280 2310/2200 1 4
200 kva 340 2730/2600 1 4
250 kva 400 3200/3050 0.9 4
300 kva 480 3830/3650 0.9 4
400 kva 570 4520/4300 0.8 4
500 kva 680 5410/5150 0.8 4
630 kva 810 6200 0.6 4.5
800 kva 980 7500 0.6 4.5
1000 kva 1150 10300 0.6 4.5
1250 kva 1360 12000 0.5 4.5
1600 kva 1640 14500 0.5 4.5
2000 kva 1940 18300 0.4 5
2500 kva 2290 21200 0.4 5

 

Against the backdrop of global electricity demand growth, 10kV three-phase oil immersed transformers are widely used in rural power grids, industry, commerce, new energy, public facilities, and other fields. High reliability operational verification in over 50 countries and regions worldwide; Already sold to countries and regions such as East Asia, Central Asia, Southeast Asia, South Asia, etc

 

10kv Oil immersed Transformer Standar & Certifaication


1. Standards: GB, IEC, GOST, EN, NF, ANSI/IEEE (customizable according to customer standards)

2. Certification: ISO,CE,IEC,SABS,COC,CSA,UL

3. Efficiency: The efficiency of an 10kV three-phase oil immersed transformer can exceed 99%, which can meet the European 2015/2014/548/EC ecodesign Tier 2 energy efficiency regulations.

4. Maintenance free: IP65 protection level, dustproof and moisture-proof, maintenance free, designed for a lifespan of over 25 years.

5. Environmental protection and sustainable development: FR3 vegetable oil can be selected.

6. Overload capacity: Copper coil 10kv transformer allows short-term overload to 150% of rated capacity for no more than 2 hours, but requires monitoring of oil temperature (≤ 95 ℃).

 

Ethiopia 112KVA 10kv Oil immersed Transformer Case


This 112 KVA distribution transformer was delivered to Ethiopia in 2013, the rated power of the transformer is 112 KVA. This 112 KVA Step Down transformer 11kv to 0.4kv, the primary voltage is 11kv, the secondary voltage is 0.4kv. We adopted copper wire at HV side and copper foil at LV side.

112 KVA transformer specifications and data sheet

Delivered to

Ethiopia

Year

2022

Model

S11-112 KVA-11/0.4KV

Type

Oil Immersed Distribution Transformer

Standard

IEC60076

Rated Power

112 KVA

Frequency

50 HZ

Phase

Three

Cooling Type

ONAN

Primary Voltage

11 KV

Secondary Voltage

0.4 KV

Winding Material

Copper

Vector Group

Dyn11

Impedance

4%

Tap Changer

NLTC

Tapping Range

±2*2.5%

No Load Loss

0.24KW

On Load Loss

1.8KW

Accessories

Standard Configuration

Remarks

N/A

10KV Fully Sealed Three-phase Oil-immersed Power Distribution Transformer

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