OMEK Power 30 kVA 3-Phase Transformer
Jinan Omek Electric Power Co., Ltd. (OMEK Power), is a leading manufacturer and supplier of high quality transformers in China. We have cooperated with customers from over 40 countries, providing them with safe, durable transformers and customized solutions.
We possess two factories equipped with advanced facilities. One is located in Wenzhou, Zhejiang province and another in Tai’an, Shandong province. We are capable of providing you with transformers of various specifications, including 30 kVA 3-phase transformers. Our 30 kVA 3-phase transformers use advanced insulation material and low loss iron core design, making them very stable and easy for maintenance.
Certifications And Compliance
– ISO 9001: 2015 Quality Management System Certification
– ISO 14001: 2015 Environmental Management System Certification
– ISO 45001: 2008 Occupational Health and Safety Management System Certification
– PCCC Energy-Saving Product Certification
– China Compulsory Certification (CCC)
– CQC China Quality Certification
– AAA Credit Rating Certification
Product Details
30 kVA 3-phase Transformer Main Components
Core:
Silicon steel or amorphous alloy laminations
Windings:
Copper or aluminum primary and secondary windings with insulation
Bushings:
High-voltage and low-voltage bushings for safe electrical output
Conductive Rods:
Copper or aluminum rods connecting windings to bushings
Insulation:
Oil or dry-type insulating materials (such as epoxy resin)
Tank / Enclosure:
Steel tank (oil-immersed) or protective enclosure (dry-type)
Cooling System:
Natural or forced air cooling (AN/AF) for dry-type; natural oil or forced air-assisted cooling (ONAN/ONAF) for oil-immersed type.
Tap Changer (optional):
Manual or on-load tap changer for voltage adjustment
Accessories:
Temperature indicators, protective devices, terminals
30 kVA 3-Phase Transformers - Oil-Immersed
Oil-Immersed Distribution Transformer
Oil-Immersed Distribution Transformer
A reliable and efficient transformer using insulating oil for superior heat dissipation and enhanced dielectric strength, ideal for industrial and commercial power distribution.
Advantages：
1. Durability and stability: Operates safely under continuous load conditions, giving you peace of mind and reduced downtime.
2. Efficiency and long service life: This feature contributes to energy saving and cost saving, making it ideal for outdoor and high-demand environments.
Oil-Immersed Amorphous Alloy Iron Core Distribution Transformer
Its iron core is made of Amorphous Alloy material, and use oil for insulation and heat transfer medium.
Advantages：
1. Extremely low no load loss. The no load loss of Amorphous Alloy Iron Core is only 20%–30% of silicon steel core of the same capacity. For long-term use, it can significantly reduce your operating costs.
2. Steady operation. It has good insulation performance, overload capacity and anti short circuit capacity. The performance of Amorphous Alloy Iron Core is very stable and not sensitive to temperature change.
3. Easy to maintain. No need for extra dust-proof and moisture-proof, very suitable for outdoor use.
Oil-Immersed 3D Core Distribution Transformer
This 30 kVA 3-phase transformer adopts the three-phase equilateral triangle 3D wound core structure, paired with the oil insulation and heat dissipation. This can effectively reduce no-load loss and noise.
Advantages:
1. Material utilization rate is high, with the silicon steel utilization rate of nearly 100%.
2. Superior insulation and thermal performance.
3. Low noise and low electromagnetic radiation.
Oil-Immersed Amorphous Alloy 3D Core Distribution Transformer
This type of 30 kVA 3-phase transformer combines the advantages of both the amorphous alloy core and 3D core. That’s why it has high energy efficiency and good performance while reducing losses and impact on environment.
Advantages：
1. Low Noise: This can give you a quiet working environment.
2. High Short-circuit Withstand Capability: Protects your electrical systems from faults.
3. Three Phase Balance: Ensures reliable and efficient power supply, reducing risk of equipment failure.
30 kVA 3-Phase Transformers - Dry-Type
Dry-Type Distribution Transformer
This 30 kVA 3-phase transformer is a reliable and compact dry-type transformer that provides efficient power distribution without the need for oil, which is suitable for indoor installations.
Advantages:
1. High safety. It doesn’t contain insulation oil, so no risk of oil leakage or explosion. It can be installed in densely populated places.
2. Easy maintenance. We don’t need to check oil level or oil quality, and don’t need to worry about oil leakage. We just need to conduct routine maintenance, such as cleaning the dust on the surface.
3. Easy to install. It is compact in size and light in weight. Both transportation and installation can be done simply, reducing the need for heavy lifting equipment.
4. Stable operation. It has strong anti-short-circuit capability. With epoxy resin cast windings, it can withstand the impact of short circuit.
Dry-Type Amorphous Alloy Iron Core Distribution Transformer
This 30 kVA 3-phase transformer combines the safety and flexibility of dry type transformers, as well as the low loss of amorphous alloy iron core.
Advantages:
1. Energy saving. The no load loss is extremely low. For long term use, it can save a lot of money.
2. Safety. As we have said, dry type transformers are free from oil leakage and explosion dangers. You don’t need to set firebreaks.
Dry-Type 3D Core Distribution Transformer
This 30 kVA 3-phase transformer is a perfect combination of small capacity dry-type and 3D core technique.
Advantages:
1. Energy efficiency: Very low no load loss.
2. Three-phase balance: The quality of power supply is high.
3. Low noise.
4.Space-Saving: Compact structure is ideal for installations with limited space.
Get a Quote
Need a reliable 30 kVA 3-Phase Transformer for your project? Get a fast, accurate quote from our experts today! Whether you need oil-immersed or dry-type, we will provide tailored solutions for industrial, commercial, or residential applications!
Applications
Small plants and workshops
Three-phase machine tools
Small compressors
Assembly line motors
Tower cranes
Concrete mixers
Electric welders
Office and residential areas
Household appliances
Small elevators
Public lighting
Classroom equipment
Medical devices
HVAC systems
Quality Control
All the products will go through complete testing before leaving our factories. Here are some of the tests:
No-load Test
Load Test
Insulation Test
Short-circuit Test
Noise test
……
For detailed information, click here.
We will do a comprehensive inspection before sending out our 3-phase 30 kVA transformers. Here are some key points:
Check whether there is any defect on the appearance of the transformer
Check if all test reports and quality documents are complete
Make sure the package is fine, avoid any possible damage in the transportation process.
Packing and Delivery
Small dry-type transformers：
Usually packed in standard wooden crates or on wooden pallets.
Oil-immersed transformers:
Require pallets, steel frames, or lifting structures.
- Minimum Order Quantity
- Delivery Terms
- Delivery time
Our Advantages
1. Certified Quality and Brand Recognition
2. Leading Technology and Energy Efficiency：CRGO 3D cores, amorphous alloy cores
3. Complete Product Range and Industry Coverage
4. Strong Market Reputation and Reliable Partnerships
5. Strict Quality Control and Excellent Service
FAQs
Have any questions? We’re here to help you out.
The main difference lies in loss levels and energy-saving performance. Selection depends on your application’s energy consumption needs:
Level 1 Efficiency:
Lowest no-load loss (about 25–35% lower than the national standard).
Ideal for 24/7 continuous operation, frequent light-load/standby periods, or strict green energy requirements (e.g. renewable energy plants, data centers, and modern green factories).
Level 2 Efficiency:
The loss is moderate. High cost performance. This is often used in factories, residential areas and other scenarios.
Level 3 Efficiency:
Meet basic energy requirements. It is usually used in temporary or load fluctuation conditions, like construction sites or short term projects.
If carefully installed and well protected, the service life of a 30 kva 3 phase transformer can be 25 years or more. In the actual situation, the service life is related to installation environment, load conditions, insulation system and maintenance.
The weight depends on the specific model and design.
If you have any other questions or after-sales issues about our 30 kVA 3-phase transformer, feel free to contact us. We’ll respond within 24 hours and and our experts will provide online guidance. If on-site guidance is required, we will send professional personnel by plane to your area and provide the support you need.