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Dry type transformer

35KV high-load transformer

35KV high-load transformer

The features of 35KV high-load transformerLow loss of 35KV high-load transformer1.No-load loss: Compared with GB / T6451-2008 ("9" type), the S series has an av

The features of 35KV high-load transformer

Low loss of 35KV high-load transformer

1.No-load loss: Compared with GB / T6451-2008 ("9" type), the S series has an average reduction of 11.7%; the SZ series has an average reduction of 13.8%.

2. Load loss: Compared with GB / T6451-2008 ("9" type), the S series has an average reduction of 10%; the SZ series has an average reduction of 9.6%.

3. Total loss of 35KV high-load transformer: Compared with GB / T6451-2008 ("9" type), the S series and SZ series have an average reduction of 10.4%.

Low noise of 35KV high-load transformer

Using the new main and vertical insulation structure, reasonably calculate the impact distribution and composite field strength of the coil wave process and use the computer to verify the short-circuit resistance under dynamic conditions to ensure the mechanical strength of the product.

The structural of 35KV high-load transformer

Iron core of 35KV high-load transformer magnetic material adopts imported high-quality cold-rolled grain-oriented silicon steel sheet.

The iron core is three-phase three-column type and the iron core multi-step cylindrical shape.

The yokes of 6300kVA and below have the same cross-sectional shape as the column. The yokes of 8000kVA and above adopt a multi-level “D” cross-section. status.

The core post of 35KV high-load transformer is non-porous and it adopts full oblique joints which is conducive to quality control and improve efficiency.

6300kVA and below use channel steel clamps and 8000kVA and above use improved plate clamps to simplify the structure and increase the strength.

High and low pressure clamps of 35KV high-load transformer are tensioned by steel straps or side beams.

The body of 35KV high-load transformer is tightened by the tensioning screws of the upper and lower clamps, the structure is simple and the short circuit resistance of the coil is increased.

The advantages of 35KV high-load transformer

Both high and low voltage coils use paper-coated flat copper wire.

The high-voltage coil of 35KV high-load transformer is continuous and the low-voltage coil is continuous or spiral.

The winding has good impact distribution and good heat dissipation performance.

The axial oil passages in the high and low voltage coils are conducive to heat dissipation. 35KV high-load transformer can greatly reduce the temperature difference of copper oil and the temperature rise inside the coil is reduced.

8000kVA and above is equipped with a pressing device on the fuel tank cap which adopts "rigid positioning" to ensure that it can withstand the impact of "3g" during transportation.

The newly developed main longitudinal insulation structure is used and the computer is used to calculate the shock distribution and composite field strength of the wave process.

35KV high-load transformer is equipped with reasonable insulation protection to avoid the possibility of damage to the wire insulation due to friction during operation and enhance the reliability of the product.

To improve the lead wire clamping structure that use a combination of wooden parts and binding, so that the lead wire is fixed firmly and does not move.

Fuel tank and accessories of 35KV high-load transformer

1.The fuel tank is square flat top.

2.Design the mechanical strength of the tank according to the semi-vacuum.

3. Using rigid sealing structure.

Try to use a wider chip radiator to reduce the number of radiators, compact and beautiful layout.

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