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Efficiency Oil Immersed Hermetically Sealed Three Phase Pole Mounted Distribution Transformer

Efficiency Oil Immersed Hermetically Sealed Three Phase Pole Mounted Distribution Transformer

Basic information

Type: Oil Immersed Transformer

Phase: Three

Service Voltage: 6KV~11KV

Rated Capacity: 30KVA~2500kVA

Vector group:Yyn0, Dyn11

Cooling type: ONAN

Core material: CRGO

Winding material: Copper/aluminum

Available fluids: mineral oil and ester fluids

Purpose:Three-phase oil immersed pad mounted distribution transformers are intended for transforming of electric energy in networks of power systems and in energy consumer networks.

Oil-Immersed Distribution Transformer Overview:

The S9 series transformers are basic oil-immersed three-phase transformers with a rated capacity of 30KVA to 2500KVA, suitable for power systems operating at 6KV to 11KV. The design can be customized according to customer needs. S9 transformers offer low manufacturing costs, good stability, and high efficiency, making it an indispensable part of the power transmission process. They are widely used in transmission lines and substations and can be adapted for various applications requiring transformer adjustments.


Three Phase Oil Immersed Transformer features:

· Oil Tank: Corrugated oil tanks with a fully sealed structure, where corrugated panels provide heat dissipation and expansion functions, automatically adjusting with temperature, load size, and oil level changes. This design ensures complete isolation of transformer oil from air and eliminates maintenance needs throughout the transformer's life.

· Excellent Safety performance: the pressure release valve is installed on the fully sealed transformer, which expands the application range of the pressure release valve, and increases the safety protection of the transformer.

· Tap-changer: it is adopting double-sealed vertical switch, which improves the sealing performance of the switch.

· Fastening: select the new type of lock nut to ensure that the transformer body is tight and not loose during transportation.


Oil Immersed Hermetically Sealed Transformer Advantage:

·High Efficiency: High-quality materials and advanced manufacturing processes provide efficient electrical energy conversion and reduced energy loss.

· Good Stability: Excellent temperature rise characteristics and voltage stability ensure reliable power system operation.

·Long Service Life: High-quality insulation and high-temperature resistant conductor materials extend service life.


Operation environment

·Altitude: ≤1000 meters.

·Ambient temperature: Maximum +40ºC

·The highest monthly average relative humidity: 90% (20 ℃)

·Installation environment: No obvious and heavy pollution, no explosive and corrosive gas and dust, with good air ventilation and no severe vibration and shock.

·If the application environment is different from the above standard conditions, please contact for customized designs.

Parameters

S9 type Oil-Immersed Distribution Transformer Parameters
Rated Power(kVA)High Voltage(V)Low Voltage(V)Connection SymbolLoss(W)No-load Current (%)Short Circuit Impedance (%)
No-load LossOn-load Loss
306                                                           6.3                               10                            10.5                             11                            0.4Yyn0         1306002.14.0 
501708702.0 
6320010401.9
8025012501.8
10029015001.6
12534018001.5
16040022001.4
20048026001.3
25056030501.2
31567036501.0 
40080043001.0 
50096051501.0 
630120062000.94.5
800140075000.8
10001700103000.7
12501950120000.6
16002400145000.6


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