750kVA Three Phase Pad Mounted Transformer

All Products

750kVA Three Phase Pad Mounted Transformer

The 750kVA Three Phase Pad Mounted Transformer is a high-capacity oil-immersed distribution transformer designed for reliable medium-voltage power distribution systems. It provides efficient voltage conversion between medium-voltage and low-voltage networks and is widely used in industrial facilities, commercial complexes, renewable energy projects, and utility distribution systems.With a compact pad-mounted structure, robust enclosure, and advanced low-loss design, this transformer ensures safe outdoor operation, high energy efficiency, and long-term reliability in demanding environments.

Key Features:

  • Safe Outdoor Design
  • Flexible Customization
  • High Efficiency & Low Losses
  • Reliable Power Performance

The 750kVA Three Phase Pad Mounted Transformer is a high-capacity, oil-immersed distribution transformer designed to deliver reliable and efficient power distribution for medium-voltage electrical networks. It is widely used in industrial facilities, commercial complexes, residential developments, renewable energy projects, and utility distribution systems where stable and continuous power supply is essential.

Featuring a compact ground-mounted structure, the transformer combines advanced electrical design, durable construction, and enhanced safety features to meet the requirements of modern distribution networks. The fully enclosed pad-mounted cabinet provides excellent protection against dust, moisture, weather conditions, and unauthorized access, making it suitable for outdoor installation in urban, industrial, and remote environments.

The transformer is equipped with a high-quality grain-oriented silicon steel core and optimized copper or aluminum winding technology to achieve low no-load losses, reduced load losses, and improved energy efficiency. The oil-immersed cooling system effectively transfers heat generated during operation, ensuring stable performance under different load conditions and extending the service life of the transformer.

Designed and manufactured according to international standards such as IEC 60076 and ANSI C57.12, the 750kVA Three Phase Pad Mounted Transformer supports flexible configuration options, including various primary and secondary voltage levels, frequency requirements, connection methods, protection devices, and accessories. Each transformer undergoes strict factory testing, including insulation tests, ratio tests, winding resistance tests, and performance verification to ensure safe and reliable operation before delivery.

With its combination of high capacity, compact design, excellent efficiency, and strong environmental adaptability, the 750kVA Three Phase Pad Mounted Transformer provides a dependable power solution for EPC contractors, utility companies, industrial customers, and infrastructure projects worldwide. It is an ideal choice for applications requiring reliable power distribution, low maintenance, and long-term operational stability.

About ZISHENG ELECTRICAL

Zisheng are a professional 19+ years manufacturer in producing Oil-Immersed Transformers, Compact Substation, Pad Mounted Transformers, Pole Mounted Transformers and Dry Type Transformers. We own the certificates of ISO/CE/IEC 60076 and TUV Rheinland.
Transformers undergo rigorous FAT and type testing, support voltage/capacity customization. Welcome to consult for Catalog and Product. you can contact us at email [email protected].

Manufacturing Plant Power Distribution Project – Southeast Asia

A 750kVA Three Phase Pad Mounted Transformer was supplied for a manufacturing plant expansion project in Southeast Asia to provide a stable and reliable power supply for production lines, auxiliary equipment, and facility operations.

The project required a compact outdoor transformer solution with high reliability, low maintenance requirements, and strong environmental adaptability. The pad-mounted transformer was installed near the factory power distribution area, providing efficient voltage conversion from medium voltage to low voltage for the entire facility.

With its oil-immersed cooling system, robust enclosure design, and low-loss performance, the transformer ensures continuous operation under heavy industrial loads and supports the customer’s long-term production needs.

Project Highlights

  • Application: Industrial Power Distribution
  • Capacity: 750kVA
  • Transformer Type: Three Phase Pad Mounted Transformer
  • Primary Voltage: 22kV
  • Secondary Voltage: 400V
  • Installation: Outdoor Ground-Mounted System
  • Cooling Method: Oil Immersed, ONAN

Project Benefits

  • Stable power supply for industrial production equipment
  • High efficiency with reduced operating losses
  • Safe outdoor installation with weather-resistant enclosure
  • Low maintenance and long service life

Location: Southeast Asia
Customer Type: Manufacturing Company / EPC Contractor

Rated Power750 kVA
Rating Primary Voltage4.16-34.5kV or customized
Secondary Voltage480GrdY/277
208GrdY/120
400GrdY/230
Customized(208Y/120 V to 4,160 V)
Frequency50/60Hz
Vector GroupDyn1/Yyn0/Dyn11/Dyn5
Winding MaterialAluminum/Copper
EfficiencyAs IEEE,Doe 2016,CAS Std or Customized
Impedance VoltageNominal 3.5% or Customized 1.1-5.75%
Altitude≤1,000m or Customized
ColorANSI 70 Light gray/Munsell 7GY3.29/1.5 or customized etc
Tank materialMild Steel, 304 Stainless Steel
Insulating Oil Weight1300 kg
Total Weight3900 kg
Outline Dimensions(L×W×H)in.1700×600×1850(mm)
Lifting LugELSP Fuse
Hinged DoorBAY-O-NET Fuse
Parking BracketTap Changer
Tank CoverOil Level Gauge
L.V Bushing (4-Hole )Pressure Relief Valve
Two/Four Position Load break SwitchVacuum Pressure Gauge
HV Grounding Copper BarTerminal Block
Temperature IndicatorDoor Handle
H.V Bushing Well(15kV)Ground Strap
Grounding Copper BarNameplate
1″‘Drain Valve With 3/8″ SamplerIR Window
1″ Upper Fill Valve Filter Press ConnectionTerminal Box
Non-PCB decalHigh Voltage Warning Signs

Industrial Power Distribution
The 750kVA Three Phase Pad Mounted Transformer is widely used in manufacturing plants, factories, mining facilities, and processing industries to supply stable power for heavy equipment, production lines, and industrial operations.

Commercial Infrastructure
Suitable for large commercial buildings, shopping centers, hotels, office complexes, and public facilities requiring reliable medium-voltage power distribution.

Residential Developments
Provides efficient and secure power distribution for large residential communities, apartment complexes, and urban underground power networks.

Renewable Energy Systems
Applied in solar farms, wind power projects, and energy storage facilities to convert generated power and connect renewable energy systems to distribution grids.

Utility & Grid Projects
Ideal for municipal power networks, underground cable distribution systems, and EPC projects requiring safe, compact, and reliable transformer solutions.

Data Centers & Critical Facilities
Supports high-reliability power supply for data centers, communication facilities, and other applications where continuous electricity availability is essential.

It is mainly used for medium-voltage power distribution in industrial plants, commercial facilities, residential communities, renewable energy projects, and utility networks requiring reliable electricity supply.

The transformer can be customized according to project requirements, with common options including 11kV/0.4kV, 13.8kV/480V, 22kV/0.4kV, and 33kV/0.4kV.

Yes. It features a robust and weather-resistant enclosure designed for outdoor operation, providing protection against moisture, dust, environmental conditions, and unauthorized access.

It provides excellent cooling performance, high efficiency, stable operation, low noise, reduced maintenance requirements, and a long service life.

The transformer can be designed, manufactured, and tested according to international standards such as IEC 60076 and ANSI C57.12.

Yes. We offer OEM/ODM solutions, including customized voltage levels, frequency, accessories, protection systems, technical documents, and factory testing reports.

Each transformer undergoes routine factory tests, including winding resistance test, voltage ratio test, insulation test, no-load loss test, load loss test, and performance verification to ensure quality and reliability.

Related Articles

+86-191-3128-5373 +86-191-3128-5373 [email protected]