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.
The 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 مغير الجهد تحت الحمل (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.
زيشينغ هي شركة متخصصة ذات خبرة تمتد لأكثر من 19 عاماً في التصنيع والإنتاج المحوّلات المغمورة بالزيت, المحطات الفرعية المدمجة, المحوّلات المركبة على القواعد, المحوّلات المثبتة على الأعمدة و المحوّلات الجافة. نحن نمتلك شهادات ISO/CE/IEC 60076 وTUV Rheinland.
تخضع المحولات لاختبارات FAT واختبار المواصفات النوعية بشكل صارم، وتدعم تخصيص الجهد/السعة. نرحب باستشارتكم بشأن كتالوج و المنتج. يمكنك الاتصال بنا عبر البريد الإلكتروني [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.
تضمن الحل ما يلي:
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.
من خلال 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.
| المعيار | المواصفات الفنية |
|---|---|
| نوع المنتج | محول طاقة ثلاثي الأطوار مغمور بالزيت |
| التطبيق | Transmission Substation / Grid Substation / Power Plant / Industrial Project / Renewable Energy |
| فئة الجهد المقنن | 220kV / 230kV |
| القدرة المقدرة | Customized, typically according to project requirements |
| الطور | ثلاثة أطوار |
| التردد المقنن | 50 هرتز / 60 هرتز |
| الجهد العالي | 220kV / 230kV |
| الجهد المتوسط | مُخصّص |
| الجهد المنخفض | مُخصّص |
| نسبة الجهد | Customized according to grid requirements |
| التيار المقنن | Calculated according to rated capacity and voltage |
| Connection Group | Dyn11 / YNd11 / YNyn0 / Other customized |
| Neutral Point | Neutral grounded / Customized |
| مغيّر النقاط | OLTC / مغير نقاط التحويل خارج الدائرة |
| نطاق نقاط التحويل | Customized, commonly ±8 × 1.25% or according to project requirements |
| Tap Positions | مُخصّص |
| Tap Changer Location | HV / MV winding, according to design |
| طريقة التبريد | ONAN / ONAF / OFAF / ODAF |
| وسط عازل | Mineral Transformer Oil / Approved Insulating Fluid |
| المادة الأساسية | High-Quality Grain-Oriented Silicon Steel |
| Winding Conductor | High-Quality Copper / Aluminum |
| Winding Type | Disc / Helical / Layer Winding according to design |
| Insulation System | نظام عزل ورقي زيتي |
| HV Insulation Level | According to IEC / IEEE / GB requirements |
| Lightning Impulse Withstand | According to specified insulation level |
| Power-Frequency Withstand | According to applicable standard |
| تفريغ جزئي | According to applicable project requirements |
| جهد المقاومة | Customized according to system requirements |
| الفقد بدون تحميل | Optimized according to rated capacity and efficiency requirements |
| فقدان التحميل | Optimized according to project specification |
| تيار اللاحمل | According to design and applicable standard |
| ارتفاع درجة الحرارة | According to applicable IEC / IEEE / GB requirements |
| Oil Temperature Rise | According to specified design requirements |
| Winding Temperature Rise | According to specified design requirements |
| الهيكل الخارجي | Outdoor Weather-Resistant Tank |
| Tank Structure | Sealed / Conservator Type |
| Transformer Oil Tank | Main Tank with Radiators |
| خزان التمدد (Conservator) | Optional / Project Specific |
| Cooling Radiator | Detachable / Fixed, according to design |
| Bushing | Porcelain / Composite / Condenser Bushing |
| مرحلة بوشهولز | Optional / According to transformer configuration |
| جهاز تخفيف الضغط | Standard protection configuration |
| Oil Level Indicator | Provided according to design |
| مؤشر درجة حرارة الزيت | Optional / Standard according to specification |
| مؤشر درجة حرارة الملفات | Optional / Standard according to specification |
| Online Monitoring | اختياري |
| DGA Monitoring | Optional Online Dissolved Gas Analysis |
| Bushing Monitoring | اختياري |
| OLTC Monitoring | اختياري |
| تركيب | Outdoor / Indoor according to project |
| ارتفاع | Customized according to installation site |
| درجة حرارة المحيط | According to installation environment |
| المعيار المعمول به | IEC / IEEE / GB / Customer Specification |
| اختبار المصنع | Routine Tests / Type Tests / Special Tests as Required |
| FAT | Available according to EPC / Utility Inspection Plan |
| عمر الخدمة | 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.
The 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.
تُستخدم في 220kV and 230kV transmission substations for voltage transformation between high-voltage transmission networks and regional distribution systems.
تشمل التطبيقات المعتادة:
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.
تشمل التطبيقات:
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.
إنه مناسب لـ:
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.
المحول مناسب لـ 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.
نعم. أ مغير جهد تحت الحمل (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.
الحلول
Engineering guidance for Colombia metro traction transformer procurement, covering rectifier duty, harmonics, impedance, site conditions and urban delivery.
الحلول
A procurement guide for Argentina wind farm transformers covering collector-system duty, reactive power, harmonics, tap control, site climate, losses and remote logistics.
الحلول
A procurement-focused guide to transformer selection for Egyptian cement plants, covering 50 Hz grid interfaces, large motor starting, VFD harmonics, dust, heat,...
