1. Product Overview
ZISHENG 80kVA Oil Immersed Transformer is a high-efficiency distribution transformer designed for reliable power conversion and distribution in medium and low voltage power systems.
With a rated capacity of 80kVA, this transformer is widely used in utility distribution networks, industrial facilities, commercial buildings, renewable energy projects, agricultural electrification, and infrastructure applications.
The transformer adopts high-quality insulating oil as both the cooling and insulation medium. The oil circulation system provides excellent heat dissipation performance, strong overload capability, and stable operation under continuous working conditions.
Manufactured with advanced production technology, premium electrical materials, and strict quality control procedures, ZISHENG 80kVA Oil Immersed Transformer features low energy loss, high efficiency, superior short-circuit resistance, and long service life.
It is an ideal solution for customers requiring reliable, economical, and durable power distribution equipment.
2. Product Specifications
| Parameter |
Specification |
| Product Name |
80kVA Oil Immersed Transformer |
| Rated Capacity |
80kVA |
| Transformer Type |
Oil Immersed Distribution Transformer |
| Phase |
Single Phase / Three Phase |
| Frequency |
50Hz / 60Hz |
| High Voltage Side |
Customized |
| Low Voltage Side |
Customized |
| Cooling Method |
ONAN (Oil Natural Air Natural) |
| Winding Material |
Copper / Aluminum |
| Core Material |
Grain-Oriented Silicon Steel |
| Insulation Medium |
Transformer Oil |
| Installation Type |
Outdoor / Indoor |
| Tap Changer |
Off-Circuit Tap Changer |
| Tank Type |
Sealed Tank / Conservator Type |
| Protection Class |
Customized |
| Standard Compliance |
IEC / ANSI / Customer Requirements |
3. Main Structure Design
3.1 High-Efficiency Iron Core
The 80kVA Oil Immersed Transformer uses high-quality grain-oriented silicon steel sheets with optimized magnetic circuit design.
Features:
- Low no-load loss
- Reduced excitation current
- High energy efficiency
- Lower operating temperature
- Reduced magnetic noise
- Improved transformer reliability
The advanced core design minimizes energy consumption during long-term operation and improves overall transformer performance.
3.2 Reliable Winding System
The transformer windings are manufactured using high-quality copper or aluminum conductors according to customer requirements.
Advantages:
- Excellent electrical conductivity
- Strong mechanical strength
- High temperature resistance
- Reliable insulation performance
- Superior short-circuit withstand capability
The optimized winding structure improves electrical performance and ensures stable operation under various load conditions.
3.3 Efficient Oil Cooling System
The transformer uses high-quality insulating oil for heat dissipation and electrical insulation.
Benefits:
- Efficient heat transfer
- Better temperature control
- Improved overload capability
- Enhanced insulation protection
- Stable continuous operation
The oil cooling system effectively removes heat generated by the core and windings, extending insulation life and improving reliability.
3.4 Durable Transformer Tank
The transformer tank is manufactured from high-strength steel materials with reliable sealing technology.
Features:
- Strong mechanical structure
- Excellent oil sealing performance
- Moisture resistance
- Dust protection
- Outdoor weather durability
The robust tank design enables stable operation in challenging environments such as high temperature, high humidity, and dusty locations.
4. Product Advantages
High Reliability
ZISHENG 80kVA Oil Immersed Transformer is designed for continuous operation in power distribution systems, providing stable voltage conversion and dependable electricity supply.
Excellent Heat Dissipation Performance
The oil cooling structure provides efficient heat removal, allowing the transformer to maintain stable temperature during continuous operation and changing load conditions.
Strong Overload Capability
The transformer can withstand temporary overload conditions due to its excellent cooling performance and robust internal structure.
Superior Short-Circuit Resistance
The reinforced winding design improves mechanical strength and enhances resistance against short-circuit forces.
Energy Saving and Low Loss
The transformer adopts advanced materials and optimized electromagnetic design to reduce:
- No-load losses
- Load losses
- Operating expenses
This helps customers improve energy efficiency and reduce long-term electricity costs.
Long Service Life
High-quality materials, reliable insulation systems, and strict manufacturing processes ensure stable operation throughout the transformer lifecycle.
5. Technical Features
Compact and Durable Structure
The 80kVA transformer features:
- Compact design
- Easy transportation
- Simple installation
- Reduced maintenance requirements
Suitable for Outdoor Applications
The sealed oil tank structure provides protection against:
- Rain
- Dust
- Humidity
- Temperature fluctuations
- Outdoor environmental conditions
It is suitable for different climate zones, including tropical and high-temperature regions.
Low Maintenance Requirements
Routine maintenance mainly includes:
- Checking oil level
- Inspecting oil leakage
- Checking bushings and terminals
- Testing insulation performance
- Inspecting grounding connections
Proper maintenance helps extend transformer service life.
Flexible Configuration Options
Optional accessories include:
- Oil level indicator
- Temperature indicator
- Pressure relief device
- Lightning arrester
- Conservator tank
- Buchholz relay (for applicable designs)
- Protective enclosure
6. Application Areas
Power Distribution Networks
- Utility distribution systems
- Medium voltage substations
- Urban power networks
- Rural electrification projects
Industrial Applications
- Manufacturing plants
- Mining facilities
- Oil and gas projects
- Industrial parks
- Processing factories
Renewable Energy Projects
- Solar photovoltaic plants
- Wind power projects
- Battery energy storage systems
Commercial Applications
- Shopping malls
- Office buildings
- Residential communities
- Public infrastructure
Special Environments
- Remote areas
- Tropical regions
- High-temperature areas
- High-humidity environments
7. Customization Options
ZISHENG provides customized 80kVA Oil Immersed Transformer solutions according to different project requirements.
Available customization:
- Rated voltage configuration
- Frequency selection (50Hz/60Hz)
- Copper or aluminum winding
- Vector group selection
- Impedance adjustment
- Tap changer design
- Tank structure customization
- Protection accessories
- Special environmental adaptation
8. Manufacturing and Quality Control
ZISHENG applies strict quality control throughout the entire production process.
Raw Material Inspection
Including:
- Silicon steel sheet inspection
- Copper/aluminum conductor inspection
- Insulation material inspection
- Transformer oil quality inspection
Production Process Control
Including:
- Core assembly inspection
- Winding process inspection
- Insulation system inspection
- Tank welding inspection
- Vacuum oil filling inspection
Final Testing
Each 80kVA Oil Immersed Transformer undergoes professional testing:
- Winding resistance test
- Insulation resistance test
- Voltage ratio test
- No-load loss test
- Load loss test
- Dielectric strength test
- Oil leakage test
- Performance verification
Only qualified products are approved for shipment.
9. Why Choose ZISHENG 80kVA Oil Immersed Transformer
- Professional transformer manufacturer with multiple production lines
- Advanced manufacturing technology
- High-quality raw materials
- Strict quality inspection system
- Competitive factory-direct pricing
- Customized transformer solutions
- Stable production capacity
- Reliable delivery capability
- Export experience in Africa, South America, Southeast Asia, Central Asia, and Middle East markets
ZISHENG 80kVA Oil Immersed Transformer provides a reliable, energy-efficient, and cost-effective power distribution solution for utility companies, EPC contractors, industrial enterprises, and electrical equipment distributors worldwide.
80kVA Oil Immersed Transformer Product Q&A