The 10 MVA Electrical Substation Power Transformer for Utility Grid & Industrial Power Systems is engineered to meet the demanding requirements of modern power distribution and transmission networks. Designed for long-term, stable operation in utility substations, industrial facilities, and infrastructure projects, this transformer delivers high efficiency, strong overload capability, and reliable performance under diverse grid conditions.
As global electricity demand continues to grow across utility grids and industrial power systems, a 10 MVA electrical substation power transformer plays a critical role in stepping voltage levels up or down safely and efficiently. This solution is widely applied in national power grids, regional substations, industrial plants, renewable energy integration projects, mining operations, oil & gas facilities, and large commercial power systems.
Manufactured with advanced production technology and strict quality control, this 10 MVA electrical substation power transformer is suitable for both utility grid expansion projects and industrial power system upgrades, offering dependable performance in continuous-duty environments.
Technical Parameters Overview
The 10 MVA electrical substation power transformer is available with flexible technical configurations to meet different grid standards and project specifications worldwide.
| Parameter | Specification |
|---|---|
| Rated Capacity | 10 MVA (Expandable range: 5 MVA – 50 MVA) |
| Transformer Type | Three-phase oil-immersed electrical substation power transformer |
| Primary Voltage | 11 kV / 22 kV / 33 kV / 66 kV / up to 110 kV |
| Secondary Voltage | 400 V / 415 V / 480 V / 690 V / Custom |
| Frequency | 50 Hz / 60 Hz |
| Cooling Method | ONAN (optional ONAF / OFAF) |
| Vector Group | Dyn11, YNd11, YNyn0 or customized |
| Tap Changer | Off-circuit tap changer or on-load tap changer (OLTC) |
| Insulation Class | Class A / Class F (as required) |
| Applicable Standards | IEC, IEEE, ANSI |
| Certifications | CE, UL, CSA (optional based on market) |
| Installation | Outdoor substation installation |
Designed for Utility Grid Applications
In utility grid environments, reliability and compliance are essential. The 10 MVA electrical substation power transformer is designed to meet the technical and regulatory requirements of public power utilities and grid operators.
It supports stable voltage regulation for medium- and high-voltage distribution networks, ensuring smooth power flow between transmission lines and downstream distribution systems. The transformer is suitable for urban substations, rural grid reinforcement, island grids, and cross-regional transmission projects where continuous operation and grid stability are critical.
With low no-load loss and load loss design, this transformer helps utilities reduce long-term operating costs while improving overall system efficiency.
Optimized for Industrial Power Systems
Industrial power systems often involve heavy loads, fluctuating demand, and harsh operating environments. The 10 MVA electrical substation power transformer is engineered to handle these challenges with robust insulation systems, reinforced winding structures, and optimized thermal performance.
It is commonly used in:
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Manufacturing plants
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Mining and mineral processing facilities
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Oil & gas and petrochemical projects
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Steel mills and cement plants
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Data centers and large commercial complexes
For industrial users, customized voltage ratios, impedance levels, and cooling configurations can be provided to match specific operational requirements.
Flexible Voltage and Capacity Customization
To support diverse grid standards and project needs, this transformer offers extensive customization options:
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Voltage range:
6.6 kV, 10 kV, 11 kV, 13.8 kV, 22 kV, 33 kV, 66 kV, up to 110 kV -
Capacity range:
5 MVA, 10 MVA, 15 MVA, 20 MVA, 25 MVA, 30 MVA, 40 MVA, 50 MVA -
Frequency compatibility:
50 Hz and 60 Hz systems
This flexibility makes the 10 MVA electrical substation power transformer ideal for projects in North America, Europe, the Middle East, Southeast Asia, Africa, and Latin America.
Manufacturing Quality and Component Reliability
Each 10 MVA electrical substation power transformer is manufactured using high-grade silicon steel cores, high-purity copper or aluminum windings, and premium insulating materials. Advanced winding, vacuum drying, and oil filling processes ensure excellent electrical performance and extended service life.
Strict factory testing is conducted before delivery, including:
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Ratio and polarity tests
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Insulation resistance tests
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No-load and load loss measurements
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Applied voltage and induced voltage tests
Third-party inspection and witness testing can also be arranged for utility and EPC projects.
Compliance with International Standards
This transformer is designed and manufactured in compliance with major international standards, ensuring smooth approval and integration into global projects:
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IEC standards for international and 50 Hz systems
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IEEE / ANSI standards for North American utility grids
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Optional CE, UL, CSA certifications based on destination market
This makes the 10 MVA electrical substation power transformer suitable for deployment in the United States, Canada, Australia, Brazil, Argentina, Mexico, Guyana, Malaysia, Indonesia, Saudi Arabia, UAE, the UK, Germany, France, Spain, Italy, South Africa, and other global markets.
Factory Direct Supply, Wholesale & Project Support
As a factory-direct manufacturer, we provide competitive pricing for bulk orders, EPC projects, and long-term utility supply contracts. Our engineering team works closely with customers to optimize transformer design, reduce total project cost, and shorten delivery timelines.
Support services include:
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Technical consultation and transformer selection
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Drawing approval and documentation support
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Custom design for special environments
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Export packing and global logistics coordination
Your Reliable Partner for 10 MVA Electrical Substation Power Transformers
If you are planning a utility grid expansion, industrial power system upgrade, or transmission and distribution project, the 10 MVA electrical substation power transformer offers the performance, flexibility, and reliability required for long-term success.
With factory-direct supply, global certifications, extensive customization capabilities, and project-oriented engineering support, this solution is trusted by utility companies, industrial users, and EPC contractors worldwide.


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