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Home > Step Up Transformer > 110kv 220kv 500kv 750kv Customizable Compact Lightweight Three Phase Hv Step up Electrical High-Voltage Power Transformer
110kv 220kv 500kv 750kv Customizable Compact Lightweight Three Phase Hv Step up Electrical High-Voltage Power Transformer
110kv 220kv 500kv 750kv Customizable Compact Lightweight Three Phase Hv Step up Electrical High-Voltage Power Transformer
110kv 220kv 500kv 750kv Customizable Compact Lightweight Three Phase Hv Step up Electrical High-Voltage Power Transformer
110kv 220kv 500kv 750kv Customizable Compact Lightweight Three Phase Hv Step up Electrical High-Voltage Power Transformer
110kv 220kv 500kv 750kv Customizable Compact Lightweight Three Phase Hv Step up Electrical High-Voltage Power Transformer
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110kv 220kv 500kv 750kv Customizable Compact Lightweight Three Phase Hv Step up Electrical High-Voltage Power Transformer
110kv 220kv 500kv 750kv Customizable Compact Lightweight Three Phase Hv Step up Electrical High-Voltage Power Transformer
110kv 220kv 500kv 750kv Customizable Compact Lightweight Three Phase Hv Step up Electrical High-Voltage Power Transformer
110kv 220kv 500kv 750kv Customizable Compact Lightweight Three Phase Hv Step up Electrical High-Voltage Power Transformer
110kv 220kv 500kv 750kv Customizable Compact Lightweight Three Phase Hv Step up Electrical High-Voltage Power Transformer

110kv 220kv 500kv 750kv Customizable Compact Lightweight Three Phase Hv Step up Electrical High-Voltage Power Transformer

Customization: Available
Application: Power
Phase: Three
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Product Description

Basic Information
Model NO.
Oil-immersed Transformer
Core
Core-type Transformer
Cooling Method
Oil-immersed Type
Winding Type
Multi-winding Transformer
Certification
ISO9001, KEMA
Voltage Class
110kv-750kv Customized
Frequency
Power Frequency (50Hz/60Hz)
Inner Core
Copper/Aluminum
Capacity
Up to 1200MVA
HS Code
850421002
Product Introduction
High Voltage Power Transformer

110kV–750kV High Voltage Oil-Immersed Power Transformer

Our high-voltage oil-immersed power transformers are engineered for high-voltage transmission and substation applications. They feature high efficiency, low loss, and a reliable insulation structure, complying with IEC, IEEE, and GB international standards. These units are ideal for utility grids, EPC projects, and large-scale industrial power systems.

Transformer Detail
Key Advantages
  • Voltage Range: 110kV / 220kV / 330kV / 500kV / 750kV
  • Rated Capacity: Up to 1200MVA (customizable)
  • Low Loss Design: Optimized core & winding structure to reduce no-load and load losses
  • High Reliability: Advanced oil-paper insulation system for long service life
  • Strong Short-Circuit Withstand Capability
  • Custom Design Available: Tailored to specific project and grid requirements
Technical Specifications
Item Specification
Rated Voltage110kV – 750kV
Rated Capacity50MVA – 1200MVA
Frequency50Hz / 60Hz
Cooling MethodONAN / ONAF / OFAF / OFWF
Insulation MediumMineral Oil / Natural Ester Oil (optional)
Tap ChangerOLTC / OCTC
Vector GroupYNd11 / YNyn0 / Custom
StandardsIEC 60076 / IEEE / GB
Product Structure & Features
Structure 1
Structure 2
  • High-Quality Silicon Steel Core with step-lap technology
  • Copper or Aluminum Windings (optional)
  • Hermetically Sealed or Conservator Type Tank
  • Advanced Oil Filtration & Drying Process
  • Online Monitoring: Oil/Winding Temperature & Dissolved Gas Analysis (DGA)
Applications
Applications
  • National & Regional Power Grid Substations
  • EPC Power Transmission Projects
  • Renewable Energy Integration (Wind / Solar Grid Connection)
  • Industrial Power Systems and Infrastructure
Case Presentation
Case 1
Case 2
Case 3
Installation Case
Packaging & Shipping
Shipping
Package Size
610.00cm * 490.00cm * 500.00cm
Gross Weight
35000.000kg

Export standard seaworthy packing suitable for long-distance transportation. Typical delivery time is 8–16 weeks based on project requirements.

Frequently Asked Questions
Are you a factory or a trading company?
We are a specialized factory focused on power transmission and distribution equipment manufacturing.
How can I place an order for a custom transformer?
Inquire with your technical drawings or specifications. Our engineering team will provide a design recommendation and quotation. Once details and samples are confirmed, we proceed with contract signing and mass production.
What is the typical delivery time for high-voltage units?
Delivery time depends on the complexity and quantity. Usually, standard production takes 15-20 days, while large-scale high-voltage projects may take 8-16 weeks.
What shipping methods do you support?
We offer various shipping methods including sea, air, land transportation, and express delivery depending on the size of the equipment and project location.
What payment terms are accepted?
We accept wire transfers (T/T) and PayPal. Typically, a 30% deposit is required to start production, with the balance paid before shipment.
How do you handle quality certification?
Our products are ISO 9001 / 14001 certified. We conduct routine tests and type tests, and we welcome third-party inspections from agencies like SGS, BV, or TUV.

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