Three Phase Step Down Transformer Distribution Transformer 25000kva 10000Kva 8000kva 110kv to 400v 415v

Product Description

Products Description
Item Value
Place of Origin China, Jiangsu
Model Number SZ11
Phase Three
Coil Number 2
Usage Power
Coil Structure Pie coil
Rated Primary Voltage 110
Rated Secondary Voltage 11
Power 10MVA
Standard IEC60076
Warranty 2 Years
Cooling Method ONAN
Frequency 50 / 60Hz
Vector Group YNd11
Material Copper / Aluminium
Application Mining
Impedance 10.5
Tapping Ranges ±8*1.25%
Feature Long Life
Product Show
Power Transformer Show
Transformer Details 1
Transformer Details 2
Transformer Details 3
Transformer Core Structure
Production Line 1
Production Line 2
Technical Overview & Capabilities
Manufacturing Strength

The group boasts a powerhouse team of over 50 engineering and technical personnel alongside more than 1,000 skilled employees, operating across an expansive footprint of 240,000 square meters. Generating substantial annual sales volumes reaching 2.5 billion yuan—including 1.3 billion within medium-sized transformer enterprises—the operation has consecutively achieved distinguished status as a quality trustworthy enterprise, national high-tech enterprise, and a recognized collective for environmental protection, measurement accuracy, and credit compliance. Additional accolades include distinctions as an industrial growth leader, a top 20 industrial enterprise, and a specialized "small giant" corporate entity.

Equipped with highly optimized production infrastructure and an efficient international marketing team, the product portfolio features large ultra-high voltage 110KV and 220KV power transformers. Offerings extend down through 35KV systems to encompass various dry-type transformers, oil-immersed configurations, amorphous alloy models, pre-installed substations, box-type units, furnace-specific transformers, rectifiers, and specialized mining units. Every unit undergoes rigorous routine, type, and specific evaluation metrics conducted by accredited national Quality Supervision and Inspection centers alongside advanced high-voltage power corporation research institutes. Operations maintain compliance under ISO9001:2015 quality management documentation and full international IEC structural validation guidelines, successfully serving energy sectors across Australia, New Zealand, India, Madagascar, Vietnam, and critical global target zones.

Factory Overview
Technical Schema 1
Technical Schema 2
Processing Equipment 1
Processing Equipment 2
Testing Site 1
Testing Site 2
Oil Immersed Transformer Specification (Reference)
Rated Capacity Voltage Ratio Vector Group No-load Losses (kW) Impedance
10kva 110v/220v/400v/3kv Dyn11/Yd11/Yyno 0.08 4%
50kva 380v/3kv/6kv/11kv/33kv Dyn11/Yd11/Yyno 0.13 4%
100kva 380v/3kv/6kv/11kv/33kv Dyn11/Yd11/Yyno 0.2 4%
200kva 380v/3kv/6kv/11kv/33kv Dyn11/Yd11/Yyno 0.34 4%
500kva 380v/3kv/6kv/11kv/33kv Dyn11/Yd11/Yyno 0.68 4%
1000kva 380v/3kv/6kv/11kv/33kv Dyn11/Yd11/Yyno 1.15 4.5%
2500kva 380v/3kv/6kv/11kv/33kv Dyn11/Yd11/Yyno 2.31 4.5%
3.5mva 380v/3kv/6kv/11kv/33kv Dyn11/Yd11/Yyno 2.73 4.5%
24mva 11kv/35kv/69kv/110kv/220kv/400kv Dyn11/Yd11/Yyno - -
100mva 11kv/35kv/69kv/110kv/220kv/400kv Dyn11/Yd11/Yyno - -
Product Name & Component Material Standards
Product Name 110KV 132KV 138KV 220KV power transformer
High Voltage 110KV or 132KV or 138KV or 220KV
Rated Capacity 6MVA to 250MVA
Standard IEC, ANSI, CSA, BS, GB or other
Core and Winding Material CRGO Silicon Steel Metal Core, Copper Winding
On-Load Tap Changer Germany MR or Huaming China or Changzheng China or ABB
Main Accessories MR, ABB, MESSKO, OMAN, Qualitrol or China Brand
Warranty Provide 24 months guarantee period normally
Certificate
International Quality and Compliance Certificates
Target Market
Global Supply Chain Target Market Map
Packing & Delivery
Export Standard Safety Packing and Logistics Transport Management
Frequently Asked Questions
Where are your primary markets based and what is your company composition?
Our operations began in 2007, serving the Domestic Market (80.00%) and Southeast Asia (20.00%). The facility comprises a dedicated workforce of approximately 501-1000 professionals working inside our manufacturing operations.
How is consistent quality guaranteed for your power equipment?
Quality is comprehensively managed by strict adherence to national and international standards. All structural models, components, and heavy equipment undergo formal routine testing, physical validation matrices, and meticulous special evaluations via accredited supervision bodies prior to shipping.
What types of machinery and materials can you purchase from us?
Our wide product selection features 110kV-500kV Oil-immersed Power Transformers, Dry-type Transformers, Unpacked H Grade Dry Transformers, Oil-immersed Distribution Transformers, Pad-mounted Transformers, Enameled Wires, Composite Wires, Transposed Wires, Paper Covered Wires, and Film Wrapped Wires.
Why should you select our industrial components over other alternative suppliers?
We supply full comprehensive manufacturing lines specializing in high-grade 110kV-500kV power equipment, built with premium CRGO Silicon Steel metal cores and pure copper windings, compliant with global IEC, ANSI, CSA, and BS standards utilizing premium accessory components.
What specific international delivery terms and payment services are provided?
Accepted Delivery Terms include: FOB, CIF, EXW. Accepted Payment Currencies: USD, CNY. Accepted Payment Types: T/T, L/C. Languages Spoken for support: English, Chinese.
What is the standard warranty duration provided for your power transformers?
We normally provide a comprehensive 24-month guarantee period for our transformers to assure optimal durability, performance safety, and long equipment life under strict operational parameters.
Transformer Engineering Layout Final Overview

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