產品總覽
The 220 kV 高壓電源變壓器 manufactured by Yawei Transformer is a utility-grade main power transformer designed for critical substation and transmission applications. As a key component in high-voltage power systems, this transformer provides stable voltage transformation, efficient power transmission, and long-term operational reliability for modern utility grids.
Designed with rated voltage at 220 kV and engineering capability extending up to 500 kV, with maximum capacity reaching 1200 MVA, this high voltage power transformer is suitable for large-scale transmission networks, primary substations, and national grid infrastructure projects. Its oil-immersed, three-phase construction ensures robust electrical performance, effective cooling, and reliable insulation under continuous operating conditions.
As an experienced high voltage power transformer manufacturer and factory, Yawei Transformer supplies dependable solutions to utilities, EPC contractors, and wholesale partners across North America, South America, Central Asia, Africa, and other global power markets.
Technical Specifications (Reference)
The following table outlines typical technical parameters for the 220 kV utility main power transformer. Final specifications can be customized according to grid requirements, application conditions, and local standards.
| 項目 | 規格 |
|---|---|
| Product Type | High Voltage Power Transformer / Utility Main Transformer |
| 額定電壓 | 220 kV (up to 500 kV available) |
| 額定容量 | Up to 1200 MVA |
| 頻率 | 50 Hz / 60 Hz |
| 階段 | 三相 |
| Insulation Type | Oil-immersed |
| 繞線配置 | Double-winding / Three-winding |
| 電壓調節 | Off-circuit (unexcited) / On-load (OLTC) |
| 冷卻方式 | ONAN / ONAF / OFAF / OFWF |
| 點選切換器 | Off-circuit tap changer / On-load tap changer |
| 適用標準 | IEC, ANSI, IEEE |
| 安裝 | Outdoor substation |
| 應用 | Utility substations, transmission systems |
Available Transformer Configurations
Oil-Immersed Three-Phase Voltage Regulating Transformers
Yawei Transformer offers a full range of 220 kV oil-immersed three-phase power transformers, designed to accommodate different grid structures and voltage regulation requirements.
Off-Circuit Voltage Regulating Transformers (Unexcited)
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220 kV Oil-Immersed Three-Phase Double-Winding Off-Circuit Voltage Regulating Power Transformer
Designed for substations with stable voltage conditions and infrequent tap adjustments. -
220 kV Oil-Immersed Three-Phase Three-Winding Off-Circuit Voltage Regulating Power Transformer
Suitable for complex substations requiring multiple voltage outputs and optimized load distribution.
On-Load Voltage Regulating Transformers (OLTC)
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220 kV Oil-Immersed Three-Phase Double-Winding On-Load Voltage Regulating Power Transformer
Ideal for transmission systems that require continuous voltage regulation under load. -
220 kV Oil-Immersed Three-Phase Three-Winding On-Load Voltage Regulating Power Transformer
Widely applied in large utility substations where real-time voltage control and multi-level voltage output are essential.
All configurations are engineered to meet IEC、ANSI 和 IEEE 標準, ensuring compatibility with global utility grid requirements.
Manufacturing Capability & Factory Strength
Yawei Transformer operates advanced manufacturing facilities dedicated to the production of high voltage power transformers and utility main transformers. As a professional manufacturer and factory, Yawei Transformer maintains full control over core manufacturing processes, including silicon steel core processing, winding fabrication, insulation assembly, tank manufacturing, oil treatment, and final testing.
Each 220 kV power transformer undergoes comprehensive routine tests, type tests, and special tests to ensure electrical performance, thermal stability, and mechanical strength. This factory-direct manufacturing model enables Yawei Transformer to deliver customized transformer solutions, stable lead times, and consistent product quality for international utility and transmission projects.
Applications in Utility and Transmission Systems
The 220 kV high voltage power transformer is designed for a wide range of utility-scale applications, including:
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Primary and secondary utility substations
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High-voltage transmission and sub-transmission networks
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Cross-regional and long-distance power transmission systems
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Renewable energy grid interconnection projects
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National and regional power infrastructure upgrades
Its robust design supports continuous operation under fluctuating load conditions, ensuring stable grid performance and operational safety.
Global Markets & Supply Capability
As a global high voltage transformer supplier and manufacturer, Yawei Transformer supports power infrastructure projects across North America, South America, Central Asia, and Africa, while also serving international markets in Europe and Australia.
Our transformers have been supplied to utility and transmission projects in the United States, Canada, South Africa, and other regions, supporting power networks in countries such as the United Kingdom, Germany, France, Italy, Spain, the Netherlands, Portugal, Russia, and beyond. This extensive market experience enables Yawei Transformer to understand regional standards, utility specifications, and project expectations.
Standards, Reliability & Long-Term Performance
The 220 kV utility main power transformer is designed and manufactured in accordance with IEC, ANSI, and IEEE standards. Optimized insulation systems, reliable cooling methods, and robust mechanical structures contribute to long service life and reduced maintenance requirements.
By focusing on engineering quality, manufacturing precision, and long-term operational reliability, Yawei Transformer delivers high voltage power transformers that support safe and efficient power transmission for modern energy systems.
為何選擇亞威變壓器
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Professional high voltage power transformer manufacturer and factory
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Voltage capability from 220 kV up to 500 kV
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Large capacity solutions up to 1200 MVA
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Multiple winding and voltage regulation options
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Global supply for utilities, EPC contractors, and wholesale partners
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符合 IEC / ANSI / IEEE standards
Inquiry & Project Support
If you are planning a 220 kV substation or transmission project, Yawei Transformer offers technical consultation, customized design, and reliable manufacturing support.
👉 立即聯絡我們 to request technical data, drawings, or a quotation for your 220 kV oil-immersed utility main power transformer.
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