220kV And Below Railway Traction Transformer

220kV And Below Railway Traction Transformer

A traction transformer is a special type of three-phase to two-phase transformer used to supply power to the electrified railway power grid. It is suitable for direct or BT power supply in the traction substation system of electrified railways.
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Product Introduction

The company has the core technology of railway traction transformers and can produce various capacities of 220kV and 110kV railway traction transformers to meet the actual needs of railway power supply.The traction transformers produced by the company have the characteristics of simple structure, flexible impedance matching, good balance, significant energy saving, strong short-circuit resistance, and high overload capacity. The products have been put into operation on the grid and have received good feedback.

Technical Specification

application

Power Transformer, Oil-Immersed Transformer

Phase

Three

Coil Structure

TOROIDAL

Coil Number

AUTOTRANSFORMER

Place of Origin

Henan, China

Type

distribution transformer, power transformer

Material

Copper, Aluminum, Resin, silicon steel sheet

Frequency

50Hz, 60Hz

Winding Material

Aluminum, Copper

Model Number

S18-6300~180000/110kV

Input Voltage

220kV, 115kV, 132kV, 110kV, 35kV, 15kV

Output Voltage

11kV, 480V, 440V

Frequency Characteristics

Low Frequency

High Voltage

110-121 kv

Low Voltage

10kv\6kv\0.4kv

Tapping Range

±2X2.5%

Rated Capacity

1000kVA~420MVA

Connection

Dynll or Yyno

220kV and below railway traction transformer220kV and below railway traction transformer

characteristic

 
  • 1. Low no-load loss, significant energy saving, belonging to energy-saving products.
  • 2. The iron core sheet is made of high-quality cold-rolled silicon steel sheet, with full diagonal joints and non overlapping yoke technology, effectively improving the no-load performance and reducing noise.
  • 3. The internal winding of the transformer is equipped with a tortuous oil guiding structure, which has good heat dissipation effect and low temperature rise.
  • 4. The winding adopts a new process of integral assembly, optimizing the winding arrangement. The primary winding is on the outer side, making the ampere turns of each winding more balanced and having strong short-circuit resistance.
  • 5. The internal dual body is positioned and lifted as a whole, simplifying the production process of the body leads and achieving high efficiency.
  • 6. Optimize the insulation structure, clamps, and oil tank structure of the optimizer to minimize the impact of high-order harmonics on the transformer during operation.
  • 7. The transformer has a small overall footprint, low investment cost, strong and stable power supply capacity.

 

 

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