Three Phase Traction Transformer 35 KV - Class Dry Type Power Transformer

Basic Information
Place of Origin: China
Brand Name: Pearl Electric
Certification: KEMA, CE, CCC, ISO9001
Model Number: PEC-S, SC(B) 9-15
Minimum Order Quantity: 1 unit
Price: USD/RMB
Packaging Details: Seaworthy wooden packing
Delivery Time: 45days-50days ex-work
Payment Terms: T/T, L/C
Supply Ability: 4000 units per year
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Core: Core-type Transformer Cooling: AN Or ANAF
Capacity: 50~2500KVA Or Customized Rated H. V.: 10/11Kv Or Customized
Rated L. V.: 0.4kv Or Customized Impedance: 6~8% Or Customized
High Light:

railway transformer


three phase transformer



Three Phases , 30 kV - Class , Tranction Transformer , Cast Resin Dry Type transformer for Rail Traffic , Two Winding



Energizing transformer needs better performance in over load capacity, and Pearl Electric Co., LTD developed solutions from following aspects:


1. Low temperature rise design

Pearl electric Co., ltd. has developed low flux density and load loss design, reasonable arrangement of the coil airway for lower temperature rise.


2. Excellent material

Imported Peter Huntsman H-class resin system has been adopted, and insulation system passed heat resistance test.


3. Reasonable structure

Coils processed with resin casted thin insulation structure, guarantee high cooling performance. The structure is dedicatedly designed with copper foil low voltage and subsection cylinder high voltage for even heating.

Cooling airway set in windings with bottom-up "chimney effect" achieves satisfying cooling effect and low temperature rise.

Transformer enclosure structure is especially adopted to ensure circulating ventilation.


Features & Advantages


The core is manufactured with high quality cold rolled grain-oriented silicon steel of high magnetic conductivity. 45° mitring and 5-steps overlapping structure is adopted for the core design, thus to greatly reduce no-load loss and no-load current.

HV winding

HV winding is manufactured with high quality copper wire, reinforced with glass fiber and being casted with epoxy resin at vacuum state with pressure, having the resin fully impregnated into the coils in the most professional imported equipment. 

LV Winding

The winding conductor shall be made of limb wide copper or aluminium foil where the width
of the foil shall be equal to the final height of the winding. 
The foil winding shall be protected and reinforced using glass-fiber fabrics or quartz powder.



Cooling Channels

Cooling channels if any, shall be arranged in a vertical manner and all coils shall have an even
and smooth surface to minimize any dust accumulation as well as to give the maximum cooling

Dynamic Short Circuit Strength

All windings shall be designed and constructed as self-supporting to withstand without damage
the dynamic effects of external short circuit conditions, without taking into account the
contribution to the mechanical strength from insulating structure and other adjacent windings.

Executed standards
IEC60076-11, DIN42523



 Three Phase Traction Transformer 35 KV - Class Dry Type Power Transformer

Contact Details

Phone Number : 86-020-22626603

WhatsApp : +008618826241798