Tanaka Electric Tanaka Electric

3000kVA Low Partial Discharge 3 Phase Dry Type Power Electrical Transformer Price

Customization: Available
Application: Power
Phase: Three

Product Description

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Basic Specifications

Model NO.
PEC-S-3000/33/0.44
Transformer Type
Cast Resin Dry Type
Rated Capacity
3000 kVA
Rated Voltage
33/0.44 kV
Core
Core-type Transformer
Cooling Method
Dry-type (AN/AF)
Winding Type
Two-winding
Certification
ISO9001, CCC, CE
Frequency
50 / 60 Hz
Impedance
4~6%
Vector Group
Dyn11
Winding Material
Copper / Aluminum
Core Material
Silicon Steel
Insulation Level
H-Class (Per IEC)
Tapping Range
±2X2.5%
Protection
IP00/IP20/IP23

Product Overview

A dry type transformer, also known as an air-cooled transformer, utilizes air or gas instead of liquid for insulation and cooling. This design eliminates the need for insulating oil, making it distinct from traditional oil-filled models and ideal for environments where fire safety and environmental impact are concerns.

3 Phase Dry Type Transformer

Types of Dry Type Transformers

  • Cast Resin Dry Type Transformer (CRT): Uses epoxy resin to encapsulate windings, protecting them from moisture, dust, and corrosion. Ideal for high humidity and fire-risk areas. Ratings range from 25 kVA up to 12,500 kVA.
  • Vacuum Pressure Impregnated Transformer (VPI): Impregnates windings with polyester resin under vacuum, enhancing mechanical and dielectric strength. Suitable for seismic events and extreme temperature fluctuations.

Technical Datasheet

Specification ItemDetails
Reference StandardsIEC 60076-11, GB/T10228
Capacity3000kVA
Primary Voltage (HV)33KV (Customizable)
Secondary Voltage (LV)0.44KV (Customizable)
Connection GroupDyn11
Tapping Range+ 2 x 2.5% , - 2 x 2.5%
Temperature Rise ClassH-class (125K)
Cooling MethodAN (Natural) / AF (Forced Air)
Withstand VoltageIEC Standard Compliant
Transformer Details
Certification Logos

Certifications & Quality

  • ISO 9001:2015 Quality Management System
  • ISO 14001:2015 Environmental Management System
  • ISO 45001:2018 Occupational Health and Safety
  • CE Certifications for Dry Type and Oil-immersed Transformers
  • KEMA and DEKRA Type Test Reports

Production Capability

Operating since 1958, the manufacturing facility covers 100,000 square meters with over 600 skilled employees. With an annual turnover exceeding USD 142 million and a production capacity of 2 Million kVA per year, the equipment is widely used across Southeast Asia, Central Asia, Africa, Europe, and North America.

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Frequently Asked Questions

What are the primary benefits of using a dry-type transformer over oil-filled?
Dry-type transformers offer superior fire safety as they don't use flammable oil. They are environmentally friendly, leak-proof, and require significantly less maintenance, making them ideal for indoor or urban installations.
Are your transformers compliant with international standards?
Yes, our transformers are designed and tested to meet IEC 60076-11, GB/T10228, and DIN42523 standards, with certifications like CE, UL, and KEMA.
Can the voltage and capacity be customized?
Absolutely. We provide customized solutions for primary and secondary voltages (e.g., 33kV, 11kV, 0.44kV) and capacities to meet specific project requirements.
What is the typical production lead time?
In general, production takes approximately 4 to 6 weeks, depending on the specific model, complexity, and customization requirements.
What cooling methods are available for these transformers?
We offer both AN (Air Natural) and AF (Air Forced) cooling. AF cooling can increase the transformer's capacity by up to 40-50% for short periods.
What payment methods are accepted?
We accept payments via T/T (Telegraphic Transfer) and L/C (Letter of Credit).

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