China Electrical Power Transformer manufacturer

Copper 220 Kv Oil Immersed Transformer Low Noise 2 Windings 50/60Hz Frequency

Product Details:
Place of Origin: China
Model Number: 220kv
Payment & Shipping Terms:
Minimum Order Quantity: 1
Price: 500-30000
Packaging Details: wooden case
Delivery Time: 15 DAYS
Payment Terms: LC T/T
Supply Ability: 5000 pieces/year
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Detail Information

Material: Copper Frequency: 50/60Hz
Coil Number: 2 Windings Input Voltage:: 110v/200v/220v/240v/360v/480v
Model Number:: Customized Specification: 400kva
Rated L. V.: 11~110kv Or Customized
High Light:

three phase oil immersed transformer


oil immersed distribution transformer

Product Description

220 Kv oil-immersed power transformer, transmission and distribution transformer low noise



Product features


1. Low loss: No-load losses is about 40% lower than that required in current national standard GB6451-1999;

Load losses is about 15% lower than that required in current national standard GB6451-1999;
2. Low noise level: < 60dB, about 20dB lower than that required in the national standard.
3. Low partial discharge: The full range process of 220kV product is dust-free operation; Metal

parts and insulation parts inside the transformer are all rounded; The partial discharge is

controlled to be lower than 70pc;
4. High short-circuit capacity: The independently designed SFP10-200000/220 transformer of

the Company has passed the short-circuit test of the National Transformer Quality Test &

Inspection Center (CTQC) (CTQC).
5. Beautiful appearance: Oil tank bending corrugated structure, shot blasting de-dusting, powder

EFI paint, wide fin radiator, never fade in color;
6. No leakage: All seal with limit position and upper & lower tank edges are sealed along two channels;

Sealing gasket is imported. We solemnly commit no leakage of oil.



Rated capacity(KVA) Rated voltage(KV) Rated capacity(KVA) Vector group No-load losses(KW) Load losses(KW) No-load current
High voltage Low voltage
313500 220±2×2.5% 242±2×2.5% 6.3
YNd11 26 128 0.3 12-14
40000 31 149 0.3
50000 36 178 0.3
63000 41 208 0.2
75000 10.5
47 237 0.2
90000 50 272 0.2
120000 61 327 0.2
150000 11
83 380 0.2
160000 85 400 0.15
180000 90 436 0.15
240000 105 520 0.15
300000 15.75
140 620 0.15
360000 160 700 0.15
370000 168 720 0.15
400000 180 770 0.15
420000 185 800 0.15




Copper 220 Kv Oil Immersed Transformer Low Noise 2 Windings 50/60Hz Frequency 0


Company profile


Qingdao Hengfengyou Electrical Engineering Co. , Ltd. is one of the large-scale electric

complete sets of manufacturers in China, specializing in oil-immersed transformers, dry-type

transformers, high-voltage Cabinets, low-voltage cabinets and substation manufacturing specialized

electrical enterprises. The company is located in the beautiful coastal city of china-qingdao.

The company has a registered capital of 10 million yuan, 20 senior technical personnel, more than

500 employees, and a sound sales and service system, annual output value of US $1 billion, the

products sell well at home and abroad. For a long time, the company has maintained close technical

exchanges with universities, research institutes and power enterprises at home and abroad, and has

first introduced the world's most advanced electrical technology such as Germany, the United States

and France, self-designed and developed SCB series dry-type transformer and SC series

oil-immersed transformer, with high operating efficiency, energy-saving obvious, the overall performance

index reached the world advanced level. The company also maintains a long-term strategic partnership

with Schneider, ABB, Simmons, Zhengtai and other domestic and foreign suppliers of high-quality

electrical components, absorbing advanced production experience of electrical equipment abroad,

self-designed and developed a series of substation equipment, the realization of substation automation,

intelligence, product operation quality has been highly recognized by the owners at home and abroad.


Copper 220 Kv Oil Immersed Transformer Low Noise 2 Windings 50/60Hz Frequency 1


Our Service:



1. quick response in before sales period help you got order.
2. excellent service in production time let you know each step we made.
3. reliable quality solve you after sale headache.
4. long period quality warranty ensure you can buy without hesitate.




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