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Traction Feeder Rectifier Transformer

The CEEG 24 pulse cast resin dry-type rectifier transformer is used in locomotive traction substations, EMU (Electric Multiple Unit) traction substations, urban rail transit systems, and electrified highway systems, providing safer, more reliable, environmentally friendly, energy-efficient, and longer service life compared to traditional oil-immersed transformers. The product comprises two 12-pulse axial split traction rectifier transformers.
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Product Introduction

The CEEG 24 pulse cast resin dry-type rectifier transformer is used in locomotive traction substations, EMU (Electric Multiple Unit) traction substations, urban rail transit systems, and electrified highway systems, providing safer, more reliable, environmentally friendly, energy-efficient, and longer service life compared to traditional oil-immersed transformers. The product comprises two 12-pulse axial split traction rectifier transformers.



Product Features

  • Harmonic Filtering: Utilizes 24-pulse rectification, resulting in fewer harmonics; key technical parameters are balanced, effectively reducing non-characteristic harmonics.


  • Advanced Temperature Control: Embedded PT thermistor enables transformer temperature detection and control; includes over-temperature alarm and trip, audio-visual alerts, fan start, fan overload protection, and computer interface.


  • Low Loss and Low Noise: Features a 45°C full-stepped joint iron core with special resin coating on the surface, significantly reducing no-load loss, no-load current, and noise.


  • High Insulation: Uses F-class insulation materials, with partial discharge levels not exceeding 5pC.


  • Moisture and Rust Resistance: Longitudinal airway foil structure low-voltage coils, and epoxy resin coating offer excellent moisture resistance.


  • Customizable: Flexible design and quick response to meet specific requirements.



Technical Innovations:

24-Pulse Rectification: Reduces harmonics.

Axial Dual Split Design: Eliminates the need for a balancing reactor.

Nomex® Insulation Paper: Enhances insulation performance.

Single Unit Operable: The 12-pulse single unit can operate independently.

Fully Automated Stacking: The Swiss robotic fully automated stacking process ensures precision and efficiency.



Product Parameters

ZQSC  Series 10kV 800-3300kVA Traction Rectifier Transformers
Model Impedance % No Load Loss (W) Load Loss (W) No Load Current (%)
ZQSC-800/10 6.5 1794 5959 0.33
ZQSC-1000/10 6.5 1882 7360 0.28
ZQSC-1250/10 6.5 2719 8615 0.32
ZQSC-1600/10 6.5 3300 8864 0.27
ZQSC-1800/10 6.5 3397 10600 0.25
ZQSC-2000/10 6.5 3574 11094 0.25
ZQSC-2500/10 8 3943 13548
0.21
ZQSC-2750/10 8 4023 13917 0.2
ZQSC-3300/10 8 4070 15245 0.24


ZQSC  Series 35kV 1600-4400kVA Traction Rectifier Transformers
Model Impedance % No Load Loss (W) Load Loss (W) No Load Current (%)
ZQSCB-1600/35 8 3600 15400 0.9
ZQSCB-2000/35 8 4200 18000 0.9
ZQSCB-2500/35 8 4800 21000 0.9
ZQSCB-2750/35 8 4900 22000 0.9
ZQSCB-3000/35 8 5700 23000 0.8
ZQSCB-3300/35 8 6200 25000 0.8
ZQSCB-4000/35 8 7000 29000 0.8
ZQSCB-4400/35 8 7500 31000 0.7

Traction transformer & rectifier cabinet


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