This 300 KVA transformer It is a Step-down transformer 11KV to 0.415KV, the primary voltage is 11kv, the secondary voltage is 415v. It is a hermetically sealed transformer without conservator. This transformer can effectively prevent oil deterioration and insulation aging and enhance operation reliability. Our 300 KVA oil immersed distribution transformer was designed with advanced technology and adopts high quality material and components which result in reliable quality and long operation time.
three phase oil immersed transformer

Oil immersed transformer Description
|
Model |
S11-300 KVA-11/0.415KV |
|
Type |
|
|
Standard |
IEC60076 |
|
Rated Power |
300 KVA |
|
Frequency |
50 HZ |
|
Phase |
Three |
|
Cooling Type |
ONAN |
|
Primary Voltage |
11 KV |
|
Secondary Voltage |
0.415 KV |
|
Winding Material |
Copper |
|
Vector Group |
Dyn11 |
|
Impedance |
4% |
|
Tap Changer |
NLTC |
|
Tapping Range |
±2*2.5% |
|
No Load Loss |
0.48KW |
|
On Load Loss |
3.65KW |
|
Accessories |
Standard Configuration |
|
Remarks |
N/A |
Oil immersed type transformer Feature
S11-M series three-phase oil-immersed distribution transformer is a national science and technology new product, which is developed on the basis of the structure design of the new S9 series products. The leading idea of the design is to meet the reliability of the product, improve the performance of the product, and adjust some loss coefficient and structure according to the actual situation of the new S9 products, so that the design value of the loss is more in line with the actual side value. At the same time, optimization design and reasonable determination of copper and iron ratio are carried out to make the material cost the lowest and the structure reasonable. The core adopts high magnetic conductivity, low loss and high quality and high performance silicon steel sheet, which reduces the no-load loss and no-load current.
The high-voltage winding of the entire series adopts layered structure, and the low-voltage winding of 500KVA and below products is also layered structure (without segmentation and continuous). 630KVA and above products adopt new spiral type for low voltage. The body assembly summarizes the mature experience of the new S9 distribution transformer, and after the body assembly, it becomes a solid integral to ensure that the product meets the requirements of electrical performance and mechanical strength when sudden short circuit occurs.
The full sealed structure of this series of products ensures the isolation of transformer oil and external air, prevents oil aging, improves the reliability of transformer operation, and the oil tank adopts corrugated oil tank with a long hole at the top and bottom of the tank wall. It can promote the circulation of oil in corrugated sheet. This oil tank process is simple, mechanical strength is high, oil flow and heat dissipation capacity are improved, welding effect is good and leakage is not easy.
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GNEE' pad mount transformers are protected against tampering and the weather, so they can be safely placed where people are present. All enclosures are made from heavy gauge sheet steel and powder painted with a baked-on coating to make them tamper-resistant.

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