The 220kV / 230kV Power Transformer is a high-voltage oil-immersed transformer designed for utility substations, transmission networks, large industrial facilities, renewable energy integration, and high-capacity power transmission projects. It provides reliable voltage transformation, efficient power transmission, and stable long-term operation under demanding grid conditions.
El 220kV / 230kV Power Transformer is a high-voltage oil-immersed transformer engineered for utility substations, transmission networks, power plants, renewable energy projects, and large industrial power systems. It is designed to provide reliable voltage transformation, efficient power transmission, and stable long-term operation under demanding grid conditions.
The transformer features an optimized magnetic circuit, reinforced winding structure, high-performance insulation system, and reliable cooling configuration to ensure electrical, mechanical, and thermal stability during continuous operation. Depending on project requirements, it can be equipped with an Cambiador de tomas bajo carga (OLTC) for precise voltage regulation and flexible grid operation.
Each transformer can be customized according to the required rated capacity, voltage ratio, frequency, impedance voltage, vector group, tap range, insulation level, cooling method, neutral configuration, and applicable international standards.
For large-scale substation and EPC projects, Zisheng provides project-oriented transformer solutions covering technical design, manufacturing, factory testing, export preparation, and delivery. Optional monitoring and protection systems can also be integrated to support reliable operation and condition monitoring throughout the transformer’s service life.
The 220kV / 230kV Power Transformer is suitable for high-voltage substations, transmission and distribution networks, power generation facilities, solar and wind power plants, mining projects, and large industrial electrical systems where high reliability, efficiency, and long service life are essential.
Zisheng somos un fabricante profesional con más de 19 años de experiencia en la producción de Transformadores Sumergidos en Aceite, Subestación Compacta, Transformadores Montados en Base, Transformadores Montados en Poste y Transformadores de Tipo Seco. Poseemos los certificados de ISO/CE/IEC 60076 y TUV Rheinland.
Los transformadores pasan por rigurosas pruebas FAT y de tipo, y apoyan la personalización de voltaje/capacidad. Bienvenido a consultar por Catálogo y Producto. puede contactarnos por correo electrónico [email protected].
A customized 220kV Power Transformer was supplied for a high-voltage grid substation project, providing reliable voltage transformation between the transmission network and the downstream power system.
The project required a high-capacity transformer capable of stable continuous operation under demanding grid conditions, with reliable insulation performance, efficient cooling, flexible voltage regulation, and comprehensive protection.
The project required the transformer to meet the following key requirements:
Zisheng developed the transformer configuration according to the project’s electrical and environmental requirements.
La solución incluyó:
220kV High-Voltage System
The high-voltage winding and insulation system were designed according to the specified voltage and insulation requirements of the substation.
On-Load Tap Changer
An OLTC system was configured to provide flexible voltage regulation and help maintain stable output voltage under varying grid conditions.
Optimized Cooling System
The cooling system was selected according to the transformer’s rated capacity and thermal requirements, with radiator and fan configurations customized for reliable continuous operation.
Reinforced Winding Structure
The winding and mechanical support system were designed to withstand electromagnetic forces generated during short-circuit conditions.
Comprehensive Protection
The transformer can be equipped with Buchholz relay, pressure relief device, oil and winding temperature indicators, oil level monitoring, and other protection components according to the project specification.
Optional Online Monitoring
For critical substations, online monitoring solutions such as dissolved gas analysis, bushing monitoring, and transformer condition monitoring can be integrated.
Before shipment, the transformer underwent factory inspection and testing according to the agreed technical specification and applicable standards.
The testing program can include:
Factory acceptance testing can also be arranged with customer representatives, EPC contractors, consultants, or third-party inspection agencies.
After successful factory testing, the transformer was prepared for international transportation with suitable export protection and project documentation.
The project supply can include:
The 220kV Power Transformer solution provides the substation with a reliable high-voltage transformation system designed for long-term grid operation.
A través de customized engineering, controlled manufacturing, factory testing, and project-oriented delivery, Zisheng supports EPC contractors, utilities, power developers, and industrial customers with high-voltage transformer solutions for demanding power infrastructure projects.
| Parámetro | Especificación Técnica |
|---|---|
| Tipo de Producto | Transformador de potencia trifásico en baño de aceite |
| Aplicación | Transmission Substation / Grid Substation / Power Plant / Industrial Project / Renewable Energy |
| Clase de voltaje nominal | 220kV / 230kV |
| Capacidad nominal | Customized, typically according to project requirements |
| Fase | Tres Fases |
| Frecuencia Nominal | 50Hz / 60Hz |
| Alta Tensión | 220kV / 230kV |
| Media tensión | Personalizado |
| Baja Tensión | Personalizado |
| Relación de voltaje | Customized according to grid requirements |
| Corriente Nominal | Calculated according to rated capacity and voltage |
| Connection Group | Dyn11 / YNd11 / YNyn0 / Other customized |
| Neutral Point | Neutral grounded / Customized |
| Cambiador de Tapas | OLTC / Cambiador de tomas bajo carga o sin tensión |
| Rango de regulación | Customized, commonly ±8 × 1.25% or according to project requirements |
| Tap Positions | Personalizado |
| Tap Changer Location | HV / MV winding, according to design |
| Método de Refrigeración | ONAN / ONAF / OFAF / ODAF |
| Medio Aislante | Mineral Transformer Oil / Approved Insulating Fluid |
| Material del Núcleo | High-Quality Grain-Oriented Silicon Steel |
| Winding Conductor | High-Quality Copper / Aluminum |
| Winding Type | Disc / Helical / Layer Winding according to design |
| Insulation System | Sistema de aislamiento aceite-papel |
| HV Insulation Level | According to IEC / IEEE / GB requirements |
| Lightning Impulse Withstand | According to specified insulation level |
| Power-Frequency Withstand | According to applicable standard |
| Descarga Parcial | According to applicable project requirements |
| Voltaje de Impedancia | Customized according to system requirements |
| Pérdidas en vacío | Optimized according to rated capacity and efficiency requirements |
| Pérdida de carga | Optimized according to project specification |
| Corriente en vacío | According to design and applicable standard |
| Aumento de Temperatura | According to applicable IEC / IEEE / GB requirements |
| Oil Temperature Rise | According to specified design requirements |
| Winding Temperature Rise | According to specified design requirements |
| Envolvente | Outdoor Weather-Resistant Tank |
| Tank Structure | Sealed / Conservator Type |
| Transformer Oil Tank | Main Tank with Radiators |
| Conservador | Optional / Project Specific |
| Cooling Radiator | Detachable / Fixed, according to design |
| Bushing | Porcelain / Composite / Condenser Bushing |
| Relé Buchholz | Optional / According to transformer configuration |
| Dispositivo de Alivio de Presión | Standard protection configuration |
| Oil Level Indicator | Provided according to design |
| Indicador de temperatura del aceite | Optional / Standard according to specification |
| Indicador de temperatura del devanado | Optional / Standard according to specification |
| Online Monitoring | Opcional |
| DGA Monitoring | Optional Online Dissolved Gas Analysis |
| Bushing Monitoring | Opcional |
| OLTC Monitoring | Opcional |
| Instalación | Outdoor / Indoor according to project |
| Altitud | Customized according to installation site |
| Temperatura ambiental | According to installation environment |
| Norma aplicable | IEC / IEEE / GB / Customer Specification |
| Pruebas de Fábrica | Routine Tests / Type Tests / Special Tests as Required |
| FAT | Available according to EPC / Utility Inspection Plan |
| Vida Útil | Designed for long-term grid operation |
The transformer can be engineered for different high-voltage grid configurations, including:
For an EPC or utility quotation, the customer should ideally provide:
Rated Capacity + HV Voltage + MV/LV Voltage + Frequency + Vector Group + Impedance + Tap Range + Cooling Method + Insulation Level + Applicable Standard + Installation Conditions
This allows the transformer to be engineered according to the actual grid code, substation design and project technical specification, rather than using a generic standard configuration.
El 220kV / 230kV Power Transformer is designed for high-voltage transmission, grid interconnection, and large-scale power infrastructure projects. Its customized electrical configuration and high-voltage insulation system make it suitable for demanding utility and industrial applications.
Utilizado en 220kV and 230kV transmission substations for voltage transformation between high-voltage transmission networks and regional distribution systems.
Las aplicaciones típicas incluyen:
The transformer provides reliable voltage transformation for high-capacity transmission systems, supporting efficient and stable power delivery over long distances.
It can be configured according to:
Suitable for large power generation facilities requiring high-voltage grid connection and voltage transformation.
Las aplicaciones incluyen:
The transformer can be integrated into large-scale photovoltaic power projects to provide high-voltage transformation between the renewable energy collection system and the transmission grid.
Es adecuado para:
Designed for high-voltage grid connection of large wind power projects, including onshore and other large-scale renewable energy installations.
The transformer can be customized according to the project’s:
220kV / 230kV power transformers can be used in large industrial facilities with high electrical demand and dedicated high-voltage substations.
Typical industries include:
High-capacity transformers are suitable for mining operations where reliable electrical supply is required for heavy machinery, processing plants, pumping systems, and auxiliary facilities.
Customized designs can accommodate demanding environmental conditions such as high altitude, dust, temperature variations, and remote project locations.
El transformador es adecuado para EPC contractors, electrical contractors, project developers, consultants, and utility companies requiring customized high-voltage transformer solutions.
Project support can cover:
Technical Design → Manufacturing → Factory Testing → Inspection → Export Packing → Transportation → Site Delivery
The 220kV / 230kV transformer can be used for connecting new power generation facilities, industrial loads, and regional electrical networks to existing high-voltage transmission systems.
It can support grid modernization, capacity expansion, renewable energy integration, and new substation construction.
Suitable for replacing aging transformers or increasing transformer capacity in existing substations.
Customized solutions can be developed according to existing:
220kV / 230kV Power Transformers can be supplied for:
For large-scale projects, transformer specifications are developed according to the actual grid requirements, load profile, environmental conditions, installation site, applicable standards, and project technical specifications.
This makes the 220kV / 230kV Power Transformer suitable for complex utility, EPC, industrial, and renewable energy projects where reliability and customized engineering are essential.
A 220kV power transformer is a high-voltage transformer primarily used in transmission substations and large power systems to transform electrical voltage between transmission and distribution levels.
The main difference is the rated high-voltage level and the corresponding insulation, bushing, clearances, and system design requirements. The final configuration should match the local grid voltage and applicable standard.
Sí. Un cambiador de tomas bajo carga (OLTC) can be configured when voltage regulation is required during transformer operation.
Yes. The HV/LV voltage ratio can be customized according to the customer’s grid connection and substation requirements.
Capacity is project-dependent. 220kV/230kV transformers are commonly designed for large transmission and substation applications, with the final MVA rating determined by the load and grid requirements.
Depending on the transformer capacity and thermal requirements, cooling configurations can include ONAN, ONAF, OFAF, and ODAF.
Yes. Optional monitoring systems can include temperature, oil level, dissolved gas, bushing, partial discharge, OLTC, and other condition-monitoring functions.
The transformer can be designed and tested according to applicable IEC, IEEE, GB, or other project-specific standards, subject to technical review.
Yes. The product can be configured for EPC contractors, utilities, substations, power plants, renewable energy projects, and large industrial power systems.
Yes. Factory acceptance testing and related documentation can be arranged according to the project inspection plan and contractual requirements.
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