for Utility Grid & Industrial Power Systems | IEC & IEEE Standard
With the continuous expansion of global power infrastructure, industrial facilities, and utility grid upgrades, the demand for high-reliability, high-efficiency, and long-life electrical substation transformers is growing rapidly.
The 2500 kVA 35kV Electrical Substation High Voltage Power Transformer is specifically engineered to meet these demanding requirements across utility grids, industrial power systems, and power distribution & transmission projects worldwide.
This 2500KVA power transformer is widely used in electrical substations, utility networks, industrial plants, renewable energy projects, and large-scale infrastructure developments, supporting stable and efficient power transmission under diverse grid standards.
Product Overview – Designed for Global Substation Applications
The 2500 kVA electrical substation high voltage power transformer is designed to step down or manage medium-to-high voltage electricity (up to 35kV) and deliver reliable power to downstream distribution systems.
As a critical component in electrical substations, the 2500KVA transformer ensures voltage stability, system safety, and long-term operational efficiency.
Key Features
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Rated capacity: 2500 kVA (2500KVA)
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High voltage level: up to 35kV
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Compatible with 50Hz and 60Hz power systems
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Fully compliant with IEC & IEEE standards
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Available in oil immersed or dry type configurations
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Designed for utility grid and industrial power systems
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Factory direct supply with global delivery capability
Technical Specifications – 2500KVA Power Transformer
| Item | Specification |
|---|---|
| Rated Capacity | 2500 kVA (custom range: 500 – 50000 kVA+) |
| Transformer Type | Electrical Substation High Voltage Power Transformer |
| Phase | Three-phase |
| Frequency | 50 Hz / 60 Hz |
| High Voltage (HV) | 6 kV / 10 kV / 11 kV / 13.2 kV / 13.8 kV / 22 kV / 33 kV / 35 kV |
| Low Voltage (LV) | 120 V / 208 V / 240 V / 400 V / 480 V / 600 V |
| Voltage Regulation | ±2 × 2.5% or ±5% |
| Vector Group | Dyn11 / YNd11 / YNyn0 / Customized |
| Impedance | 6% – 10% |
| Cooling Method | ONAN / ONAF |
| Insulation Class | Class A / Class F |
| Temperature Rise | 55K / 65K |
| Ambient Temperature | -25°C to +45°C |
| Standards | IEC 60076 / IEEE C57 |
| Certifications | CE / UL / CSA (available) |
Applications of the 2500 kVA Electrical Substation Transformer
Utility Grid Applications
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National and regional power grids
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Urban and rural electrical substations
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Utility grid upgrade and expansion projects
Industrial Power Systems
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Manufacturing plants and industrial parks
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Mining, oil & gas facilities
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Data centers and large commercial complexes
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Renewable energy integration (solar & wind)
Power Distribution & Transmission Projects
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EPC and turnkey infrastructure projects
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Airports, ports, railways, and utilities
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Medium and high voltage distribution networks
The 2500KVA electrical substation power transformer is ideal for continuous operation under heavy load conditions.
Designed for Global Markets
This 2500 kVA 35kV power transformer is engineered to meet diverse international grid requirements, making it suitable for:
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🇺🇸 United States & 🇨🇦 Canada
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🇪🇺 Europe (UK, Germany, France, Spain, Italy)
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🇦🇺 Australia
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🇧🇷 Brazil, 🇦🇷 Argentina, 🇲🇽 Mexico, 🇬🇾 Guyana
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🇲🇾 Malaysia, 🇮🇩 Indonesia
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🇸🇦 Saudi Arabia, 🇦🇪 UAE
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🇿🇦 South Africa
With full compliance to IEC, IEEE, CE, UL, and CSA standards, the 2500KVA transformer can be seamlessly integrated into utility and industrial systems worldwide.
Core Design & Material Advantages
High-Efficiency Core and Windings
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High-grade cold-rolled silicon steel core to reduce no-load loss
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Copper windings as standard (aluminum optional)
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Optimized magnetic circuit for long-term efficiency
Insulation & Cooling System
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Mineral oil or natural ester oil options
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Advanced oil circulation and cooling structure
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Low-noise design suitable for urban substations
Customization Capability
Every power project has unique requirements. Our 2500 kVA electrical substation power transformer supports extensive customization, including:
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Custom capacity beyond 2500KVA
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Customized HV/LV voltage combinations
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50Hz / 60Hz system compatibility
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Special vector group and impedance design
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High temperature, high humidity, coastal, or desert environments
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Size, enclosure, and accessory customization
Manufacturing Strength & Quality Control
Each 2500KVA high voltage power transformer undergoes strict factory testing:
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Routine factory tests
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Ratio, insulation, and loss testing
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Optional type tests and third-party inspection
This ensures long service life, operational safety, and minimal maintenance cost.
Factory Direct Supply, Wholesale Pricing & Global Delivery
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Factory direct manufacturer supply
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Competitive wholesale pricing
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OEM & ODM services available
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Experience in global shipping and project logistics
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Reliable long-term supply for EPC and utility clients
Why Choose This 2500KVA Power Transformer
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Designed specifically for utility and industrial power systems
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Proven reliability in electrical substation applications
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High efficiency and low operating loss
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Fully certified for global markets
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Strong customization and engineering support
Brand Statement
PowerNex is a professional manufacturer specializing in electrical substation power transformers, distribution transformers, and custom high voltage transformer solutions for global utility and industrial markets. Our manufacturing capability covers a wide capacity range, including 2000KVA, 2500KVA, 3000KVA, 5000KVA, and large power transformers from 10MVA up to 50MVA, suitable for medium and high voltage electrical substations worldwide.
If you are sourcing a 2500 kVA 35kV electrical substation high voltage power transformer—or any customized power transformer within a broader capacity and voltage range—with factory-direct pricing, international certifications, and reliable global delivery, PowerNex is your trusted long-term partner.
We support fully customized transformer solutions, including voltage configuration, capacity scaling, cooling methods, insulation systems, vector groups, and environmental adaptations. Our engineering team ensures fast technical response, efficient specification matching, and flexible production scheduling, enabling quick project alignment and reliable lead times for utility grids, industrial power systems, and EPC projects.
From standard models to complex, project-specific designs, PowerNex delivers high-performance, certified, and cost-effective power transformer solutions that support long-term, stable operation across global markets.
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