Search productSearch post

30kVA Oil Immersed Transformer
30kVA Oil Immersed Transformer
30kVA Oil Immersed Transformer
30kVA Oil Immersed Transformer
30kVA Oil Immersed Transformer
30kVA Oil Immersed Transformer
30kVA Oil Immersed Transformer
30kVA Oil Immersed Transformer

30kVA Oil Immersed Transformer

30kVA Oil Immersed Transformer, produced by a reputable manufacturer and supplier in China, represents the pinnacle of electrical engineering excellence. These transformers are engineered with precision and cutting-edge technology to provide robust, efficient, and long-lasting power solutions.

Categoría:

Project Partners

Phone/WhatsApp: 8619131285373

Email: info@zishengtransformer.com
Factory Headquarters: No. 118, Jingyi Street, Economic Development Zone.

*
*
*

Project Stage

Submitting!
Submission successful!
Submission failed!
Incorrect email address!
Incorrect phone number!

1. Product Overview

ZISHENG 30kVA Oil Immersed Transformer is a reliable and efficient distribution transformer designed for power transmission and distribution systems, industrial facilities, renewable energy projects, commercial applications, and rural electrification projects.

The transformer uses high-quality insulating oil as the cooling and insulation medium, providing excellent heat dissipation performance, strong overload capability, and stable operation under continuous load conditions.

With advanced manufacturing technology, optimized electromagnetic design, and strict quality control, ZISHENG 30kVA Oil Immersed Transformer delivers high efficiency, low energy loss, excellent short-circuit resistance, and long-term reliability.

It is widely applied in medium and low voltage power distribution networks, especially in outdoor substations and areas requiring durable and cost-effective power solutions.


2. Product Specifications

Parameter Specification
Product Name 30kVA Oil Immersed Transformer
Rated Capacity 30kVA
Transformer Type Oil Immersed Distribution Transformer
Phase Single Phase / Three Phase
Frequency 50Hz / 60Hz
Rated Voltage Customized
High Voltage Side Customized according to requirements
Low Voltage Side Customized according to requirements
Cooling Method ONAN (Oil Natural Air Natural)
Winding Material Copper / Aluminum
Insulation Medium Transformer Oil
Installation Type Outdoor / Indoor
Tap Changer Off-circuit tap changer
Enclosure Outdoor weather-resistant design
Standards IEC / ANSI / Customer requirements

3. Main Structure Design

3.1 High-Efficiency Iron Core

The 30kVA Oil Immersed Transformer adopts high-quality grain-oriented silicon steel sheets with advanced core manufacturing technology.

Features:

  • Low no-load loss
  • Reduced excitation current
  • Improved energy efficiency
  • Lower operating temperature
  • Reduced operating noise
  • Enhanced service reliability

The optimized core structure helps reduce power consumption during long-term operation.


3.2 High-Quality Windings

The transformer windings are manufactured using high-conductivity copper or aluminum conductors.

Advantages:

  • Excellent electrical conductivity
  • Strong mechanical strength
  • High thermal stability
  • Superior short-circuit resistance
  • Reliable insulation performance

The winding design ensures stable operation under different load conditions and improves transformer durability.


3.3 Transformer Oil Cooling System

The transformer uses high-quality insulating oil for cooling and insulation.

Benefits:

  • Efficient heat transfer
  • Improved temperature control
  • Better overload performance
  • Enhanced insulation strength
  • Longer equipment lifespan

The oil circulation system effectively transfers heat generated during operation and maintains stable transformer temperature.


3.4 Tank Structure

The transformer tank is manufactured with a strong steel structure designed for outdoor operation.

Features:

  • Strong mechanical strength
  • Excellent sealing performance
  • Protection against moisture and dust
  • Suitable for harsh environments
  • Long-term outdoor service capability

Radiators or cooling fins improve heat dissipation efficiency.


4. Product Advantages

High Reliability

ZISHENG 30kVA Oil Immersed Transformer is designed for continuous operation in power distribution networks with stable electrical performance and long service life.

Excellent Overload Capability

The oil cooling system provides effective heat dissipation, allowing the transformer to handle temporary overload conditions while maintaining reliable operation.

Strong Short-Circuit Resistance

The reinforced winding structure and mechanical design improve resistance against short-circuit forces and enhance operational safety.

High Energy Efficiency

The transformer adopts low-loss materials and optimized design to reduce:

  • No-load losses
  • Load losses
  • Operating costs

This helps customers achieve energy saving and lower lifecycle costs.

Suitable for Outdoor Environments

The sealed oil tank structure provides excellent protection against:

  • Rain
  • Dust
  • Humidity
  • Temperature changes

It is suitable for different climatic conditions including high-temperature and high-humidity regions.


5. Technical Features

1. Compact and Durable Design

The transformer has a compact structure, convenient transportation, and easy installation.

2. Long Service Life

High-quality materials and strict manufacturing processes ensure reliable operation for many years.

3. Low Maintenance Requirement

Routine maintenance mainly includes:

  • Oil level inspection
  • Leakage checking
  • Terminal connection inspection
  • Insulation testing

4. Flexible Configuration

Different accessories can be provided according to project requirements:

  • Oil level indicator
  • Temperature indicator
  • Pressure relief device
  • Lightning arrester
  • Buchholz relay (for larger designs)
  • Protective enclosure

6. Application Areas

Power Distribution Networks

  • Utility distribution systems
  • Substations
  • Rural electrification projects
  • Urban power networks

Industrial Applications

  • Manufacturing plants
  • Mining projects
  • Oil and gas facilities
  • Industrial parks

Renewable Energy Projects

  • Solar power plants
  • Wind power systems
  • Energy storage projects

Commercial Applications

  • Shopping centers
  • Office buildings
  • Residential communities
  • Infrastructure projects

Special Environments

  • Remote areas
  • High-temperature regions
  • Humid tropical areas
  • Developing country power projects

7. Customization Options

ZISHENG provides customized 30kVA Oil Immersed Transformer solutions according to different project requirements.

Available options include:

  • Rated voltage customization
  • Frequency customization (50Hz/60Hz)
  • Copper or aluminum winding
  • Different vector groups
  • Different impedance levels
  • Off-circuit tap changer
  • Special environmental design
  • Customized tank dimensions
  • Regional standard compliance

8. Manufacturing and Quality Control

ZISHENG follows strict quality control procedures throughout the manufacturing process.

Production inspection includes:

  • Raw material inspection
  • Core loss testing
  • Winding resistance testing
  • Insulation resistance testing
  • Voltage ratio testing
  • No-load loss testing
  • Load loss testing
  • Oil leakage testing
  • Dielectric strength testing
  • Final performance testing

Each transformer is fully tested before shipment to ensure safe installation and reliable operation.


9. Why Choose ZISHENG 30kVA Oil Immersed Transformer

  • Professional transformer manufacturer with multiple production lines
  • High-quality raw materials
  • Advanced production technology
  • Strict quality management system
  • Competitive factory-direct pricing
  • Flexible customization capability
  • Reliable delivery capacity
  • Export experience in Africa, South America, Southeast Asia, Central Asia, and Middle East markets

ZISHENG 30kVA Oil Immersed Transformer provides a cost-effective, reliable, and efficient solution for power distribution projects requiring stable performance and long-term operation.

30kVA Oil Immersed Transformer Product Q&A

Q1: What is a 30kVA Oil Immersed Transformer?

A: A 30kVA Oil Immersed Transformer is a distribution transformer with a rated capacity of 30kVA that uses transformer oil as the insulation and cooling medium.

It is designed to step down medium voltage electricity into low voltage power for commercial, industrial, agricultural, and infrastructure applications. The oil cooling system provides excellent heat dissipation, stable operation, and strong overload capability, making it suitable for outdoor power distribution networks.


Q2: What are the main advantages of a 30kVA Oil Immersed Transformer?

A: The main advantages include:

  • High reliability for continuous operation
  • Excellent cooling performance
  • Strong overload capacity
  • Superior short-circuit resistance
  • Low energy loss
  • High efficiency
  • Long service life
  • Outdoor weather resistance
  • Cost-effective power distribution solution
  • Suitable for harsh environmental conditions

Q3: What is the difference between a 30kVA Oil Immersed Transformer and a Dry Type Transformer?

A: The main differences are:

Item Oil Immersed Transformer Dry Type Transformer
Cooling Method Transformer oil cooling Air cooling
Insulation Medium Insulating oil Solid insulation materials
Installation Mainly outdoor applications Mainly indoor applications
Heat Dissipation Excellent Good
Maintenance Requires oil inspection Lower maintenance
Fire Safety Requires oil fire protection measures Higher fire resistance
Application Utility networks, outdoor substations Buildings, data centers, indoor facilities

Oil immersed transformers are widely used where high capacity reliability, outdoor installation, and strong cooling performance are required.


Q4: What voltage ratings are available for a 30kVA Oil Immersed Transformer?

A: ZISHENG can customize voltage ratings according to different power systems and project requirements.

Common voltage configurations include:

  • High voltage side: 6kV, 10kV, 11kV, 13.8kV, 15kV, 20kV, 35kV
  • Low voltage side: 400V, 415V, 480V, 690V

Customized voltage ratios are available for different countries and regional standards.


Q5: Is the 30kVA Oil Immersed Transformer available with copper winding?

A: Yes. ZISHENG provides both copper winding and aluminum winding options.

Copper winding advantages:

  • Higher electrical conductivity
  • Lower power loss
  • Better thermal performance
  • Stronger mechanical strength
  • Longer service life

Customers can select the winding material according to project requirements, efficiency targets, and budget considerations.


Q6: Can the 30kVA Oil Immersed Transformer be customized?

A: Yes. ZISHENG provides customized transformer solutions, including:

  • Voltage ratio customization
  • Frequency selection (50Hz/60Hz)
  • Copper or aluminum winding
  • Different impedance requirements
  • Vector group customization
  • Tap changer configuration
  • Tank design customization
  • Special environmental protection design
  • Different installation requirements

Customized solutions help ensure the transformer matches specific project conditions.


Q7: Where can a 30kVA Oil Immersed Transformer be used?

A: The transformer is widely used in:

  • Power distribution networks
  • Outdoor substations
  • Industrial factories
  • Mining projects
  • Solar power plants
  • Energy storage projects
  • Agricultural electrification
  • Commercial facilities
  • Infrastructure construction projects
  • Remote area power supply systems

Q8: Does a 30kVA Oil Immersed Transformer require regular maintenance?

A: Yes. Regular maintenance helps ensure safe and reliable operation.

Common maintenance items include:

  • Checking oil level
  • Inspecting oil leakage
  • Checking transformer terminals
  • Testing insulation performance
  • Inspecting protective devices
  • Cleaning external surfaces

Proper maintenance can extend transformer service life and improve operational reliability.


Q9: What type of transformer oil is used in a 30kVA Oil Immersed Transformer?

A: ZISHENG transformers use high-quality insulating oil that provides:

  • Excellent insulation performance
  • Efficient heat transfer
  • Stable chemical properties
  • Reliable cooling performance

Oil selection can be customized according to customer requirements and regional standards.


Q10: How does ZISHENG ensure the quality of 30kVA Oil Immersed Transformers?

A: ZISHENG applies strict quality control throughout the manufacturing process.

Quality inspection includes:

  • Raw material inspection
  • Silicon steel core testing
  • Winding resistance testing
  • Insulation testing
  • Voltage ratio testing
  • No-load loss testing
  • Load loss testing
  • Oil leakage inspection
  • Pressure testing
  • Final performance testing

Each transformer is tested before delivery to ensure reliable operation at the customer's project site.


Q11: Can the 30kVA Oil Immersed Transformer operate in harsh environments?

A: Yes. The transformer can be designed for different environmental conditions, including:

  • High-temperature areas
  • High-humidity regions
  • Tropical climates
  • Dusty industrial environments
  • Outdoor installations

The sealed tank structure and durable materials help ensure stable operation under demanding conditions.


Q12: What standards does the 30kVA Oil Immersed Transformer comply with?

A: ZISHENG transformers can be manufactured according to international and regional standards, including:

  • IEC standards
  • ANSI standards
  • Customer technical specifications
  • Local power system requirements

The exact standard can be selected according to the destination market and project requirements.


Q13: What is the service life of a 30kVA Oil Immersed Transformer?

A: A high-quality oil immersed transformer can provide decades of reliable service when properly installed and maintained.

The actual service life depends on:

  • Operating load
  • Installation environment
  • Maintenance frequency
  • Insulation condition
  • Operating temperature

ZISHENG uses reliable materials and advanced manufacturing processes to ensure long-term stable performance.


Q14: Why choose ZISHENG 30kVA Oil Immersed Transformer?

A: ZISHENG provides:

  • Professional transformer manufacturing capability
  • Multiple production lines
  • Strict quality control system
  • Competitive factory-direct pricing
  • Customized engineering solutions
  • Stable production capacity
  • International export experience

ZISHENG 30kVA Oil Immersed Transformer delivers a reliable and economical power distribution solution for utility, industrial, renewable energy, and infrastructure projects worldwide.

30kVA Oil Immersed Transformer30kVA Oil Immersed Transformer

Click on the inquiry