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
6.6
10.5
11 | 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
11
13.8 | 47 | 237 | 0.2 |
| 90000 | 50 | 272 | 0.2 |
| 120000 | 61 | 327 | 0.2 |
| 150000 | 11
13.8
15.75
18
20 | 83 | 380 | 0.2 |
| 160000 | 85 | 400 | 0.15 |
| 180000 | 90 | 436 | 0.15 |
| 240000 | 105 | 520 | 0.15 |
| 300000 | 15.75
18
20 | 140 | 620 | 0.15 |
| 360000 | 160 | 700 | 0.15 |
| 370000 | 168 | 720 | 0.15 |
| 400000 | 180 | 770 | 0.15 |
| 420000 | 185 | 800 | 0.15 |
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.
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.
