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SG(B)10-100~2500
SG(B)10-100~2500 H-class insulation three-phase dry-type transformer

SG(B)10-100~2500 H-class insulation three-phase dry-type transformer  

 

Production introduction

Our company has developed this product by ourselves. As a high performance, high safety, pollution free dry-type transformer,
it is suitable for the harsh environments where there is a high fire protection requirement, the great load fluctuation and the site
where is of filth and moisture. For example: airport, power plant, metallurgy operation, hospital, high building, shopping center,
densely inhabited area, petrochemical industry, nuclear power station and nuclear submarine, etc.  

 

Normal service conditions
1) Altitude should not be over 1000m: indoor type
2) Highest ambient temperature should not over: +40°C; Highest daily average should not over temperature: +30°C
3) Highest annual average temperature should not over: +20°C, lowest temperature should not below: -5°C;
We can provide transformer operated in special conditions according to user's requirement.


Applicable standards
1) Altitude should not be over 1000m: indoor type
2) Highest ambient temperature should not over:+40°C; Highest daily average should not over temperature: +30°C
3) Highest annual average temperature should not over +20°C, lowest temperature should not below -5°C.
We can provide transformer operated in special conditions according to user's requirement.

 

Performance Characteristics

 1. A unique ceramic type of insulation structure is adopted in H-class high strength insulation cylinders and high-frequency ceramic cushion blocks are adopted to ensure that no deformation will occur.
2. The high-voltage and low-voltage windings are made of NOMEX wrapped flat copper wires and imported copper foils. And they are sealed with high strength insulation materials.
3. The iron core is made of laminated imported high-quality silicon-steel sheets of high magnetic conductivity with a 45°„ stepwise all-bias structure.A flexible fastening unit is adopted to fasten the winding and iron core, which ensures a relatively low no-load loss and low noise.
4. Outlet terminals are fixed to the top of winding, taps are in the middle of winding, low-voltage line terminal are in plate-type current-conducting rows for which cold pressure welding is adopted.  

 

 

Note for placing order:
Hermetically-sealed distribution transformer
1. Transformer type: ________________
2. Rated capacity (kVA) : ____________
3. Number of phases: three-phase, or single-phase
4. High voltage (KV): ______________
5. Low voltage (KV): ______________
6. Frequency: 50Hz or 60Hz
7. Tapping range: ±4x2.5%, or ±3x2.5%, or others;
8. Connection group: Yyn0, or Dyn11, or others;
9. Impedance voltage: 4%, or 6%, or others;
10. Cooling method: ONAN, or ONAF;

 

 Method of incoming and outgoing line:
1. Incoming line to lower part and outgoing line from upper part, or
2. Incoming line to upper part and outgoing line form upper part, or
3. Incoming line to lower part and outgoing line from side part, or
4. others.
* If customer has no requirement, the color of outer casing is light grey, or you should indicate color code that you want .  

 

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Tel.: +86-577-62730230 / 62730190    Fax: +86-577-62730197    Email: max.hu@huayu-electric.com / sales@huayu-electric.com
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