33-38kV Oil-immersed Power Transformer

33-38kV Oil-immersed Power Transformer

The oil immersed power transformer is completely sealed against outside air and moisture to keep transformer oil clean and free from contamination. Flexible corrugated oil tank design (for cooling and heat dissipation) accommodates the change of transformer volume.
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35 kv oil-immersed power transformer is advanced in designing, make great improvement on the material and structure .High and low voltage clamp with steel belt or and side beam taut, form a strong frame structure, strengthen the core clamping force and tolerance transportation capacity. Anti-short circuit ability is strong, beautiful appearance, reliable operation, low loss, low noise, reach the advanced level of the same products abroad. The SZ11-8000/35 one-time through the national transformer prototype testing center for sudden short circuit test, high and low voltage coil set longitudinal oil way is good for heat dissipation, can greatly reduce the copper oil temperature difference and the hot spot temperature rise within the coil.

Oil-immersed Power Transformer Technical Datasheet

Transformer Type Oil-immersed power Transformer
Manufacture Standard IEC60076
Rated capacity 50Kva~180MVA
Primary Voltage (kV) 11~230kV
Secondary Voltage(kV) 0.4~11kV
Cooling Way ONAN/ONAF
Vector Group Dyn11/YNd11
Temperature rise 60/65K
Insulation class A-CLASS
Impedance 4-12%
Winding Material Copper/Copper
Insulation media Mineral Oil comply with IEC

Single phase power transformer

oil immersed power transformer features

Low Losses

1. No-load losses are more than 10% lower than the current national standard GB6451-2015.

2. Load losses are more than 5% lower than the current national standard GB6451-2015.

3. Performance complies with the GB20052-2020 energy efficiency standards.

Low Noise

1. Self-cooling noise levels will be below 60dB, nearly 20dB lower than the national standard.

2. Customized ultra-low noise transformers are available upon special request.

Low Partial Discharge

1. Our 110kV production process adheres to modern enterprise management practices.

2. The entire 110kV product line is dust-free, with rounded metal and insulation components inside the unit.

3. Partial discharge is controlled to below 100pc (pico-coulombs).

Strong Short-Circuit Resistance

The 110kV transformer has passed national-level certification, ensuring that no unit is damaged due to sudden short circuits.

Attractive Appearance

Full polishing rust removal, and powder electrospray painting can achieve the effect of home appliance paint, and the wide-plate radiator does not easily fade.

Leak-Proof

All sealing components are made of acrylic materials and are manufactured using single-molding technology with no interfaces.

We solemnly guarantee that there will be no leaks and conduct fluorescent, positive pressure, and negative pressure leak tests.

Operating Conditions:

Conducive to peak summer, suitable for main grid with high load rate under high temperature and places with impact load and continuous overload requirements, such as steel, metallurgy industry, railway transportation, power plant, hydropower station, etc.

Packaging&shipping

Step down power transformer

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