transformer



Transformers Manufacturer & Power Transformer Solutions

DIYPOWERS is a reliable transformers manufacturer delivering customized power transformer solutions, including dry type and oil-immersed transformers, with tailored voltage, kVA ratings, and configurations to support industrial and utility projects worldwide.
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Transformer

What Is a Transformer and How It Works

How Transformers Increase and Decrease Voltage

A transformer is an electrical device that transfers electrical energy between circuits through electromagnetic induction. In practical power systems, transformers are used to increase or decrease voltage levels, isolate electrical circuits, and ensure safe and efficient power transmission across different stages of the power network.


Ideal Transformer vs Practical Power Transformers

While the concept of an ideal transformer is often introduced in physics to explain basic principles, real-world power transformers are engineered with advanced core materials, winding structures, and insulation systems to meet actual operating conditions. From industrial power systems to utility grids, transformers play a critical role in modern electrical infrastructure.

Transformer Specifications, Configurations & Voltage Solutions

Selecting the right transformer involves evaluating key factors such as transformer type, phase configuration, kVA power rating, and voltage conversion requirements. Different configurations and power capacities affect efficiency, load handling, and system stability, while step-up and step-down transformers enable proper voltage matching across transmission and distribution systems. Proper selection ensures reliable, efficient, and long-term operation for industrial and utility applications.

Transformer Configurations and Phase Types

Transformer Configurations and Phase Types

Three Phase Transformer Solutions

DIYPOWERS supplies three phase transformers for industrial plants, substations, and utility networks. Compared with single-phase units, three phase transformers offer higher power capacity, better load balance, and improved operational stability.


Delta-Wye and Delta-Delta Transformer Connections

Common winding configurations include delta-wye and delta-delta transformers, widely used in power distribution and transmission systems to manage grounding, harmonics, and voltage transformation behavior.


Three Winding Transformer Design

For systems requiring multiple voltage outputs, three winding transformers integrate multiple voltage levels in a single unit, providing a compact and efficient solution.

Transformer Power Ratings and kVA Capacities

Common kVA Ratings for Power Transformers

Transformer capacity is defined by its power rating in kilovolt-amperes (kVA), which determines how much electrical load the transformer can safely handle. DIYPOWERS manufactures transformers in ratings such as 75 kVA, 100 kVA, 150 kVA, 500 kVA, and 1000 kVA to support different system requirements.


Selecting the Right Transformer Capacity

Each power transformer is designed with optimized magnetic core structures and precision windings to ensure low losses, high efficiency, and reliable operation under continuous and peak load conditions.

Transformer Power Ratings and kVA Capacities
High Voltage Device

Step-Up and Step-Down Transformer Solutions

Step-Up Transformers for Voltage Increase

A step-up transformer increases voltage for efficient power transmission, such as 400V to 13.8kV, and is designed for stable, long-term industrial operation.


Step-Down Transformers for Voltage Reduction

A step-down transformer reduces voltage for safe use, commonly applied in 13.8kV to 400v and 10.5kV to 380V industrial and commercial systems.


Step-Up and Step-Down Transformers for Flexible Systems

DIYPOWERS offers step-up and step-down transformers with multiple input and output voltage options to support flexible power system requirements.

Recommended Products

Why Choose Us

Strong Manufacturing Capability

DIYPOWERS operates with advanced production facilities and mature manufacturing processes, ensuring stable quality and consistent delivery for transformer projects of all scales.

Professional Engineering Expertise

Our experienced engineering team provides technical support from design to application, delivering reliable transformer solutions tailored to real operating conditions.

Custom Transformer Solutions

Customization is available to meet specific voltage levels, power ratings, and application requirements for different projects.

Quality Control and International Standards

All transformers are designed and tested according to international standards, ensuring safety, performance, and long service life.

Contact Us

Contact DIYPOWERS for Transformer Solutions！

FAQs

Q: What is the main function of a transformer?
The main function of a transformer is to increase (step up) or decrease (step down) voltage levels. Step-up transformers are used to raise voltage for efficient long-distance transmission, while step-down transformers reduce voltage for safe distribution to end-users.
Q: What is the difference between dry-type and oil-immersed transformers?
Dry-type transformers use air as the cooling medium and do not require insulating oil, making them ideal for indoor, fire-sensitive environments.
Oil-immersed transformers use insulating oil for cooling and insulation, enabling higher power and voltage applications in outdoor substations and heavy-duty grids.
This distinction helps you choose the right transformer for your specific project needs.
Q: What causes transformer failure and how can it be prevented?
Common causes of transformer failure include insulation breakdown, overheating, moisture ingress, and mechanical stress. Regular maintenance, proper cooling, quality insulation materials, and digital monitoring systems help mitigate these risks and extend transformer lifespan.
Q: How are transformers tested for quality and performance?
Transformers undergo rigorous testing before delivery, including routine, type, and special tests to ensure compliance with international standards and reliable performance. These tests help verify voltage regulation, insulation quality, temperature rise, and mechanical integrity.
Q: How long can a transformer last and what support is available after purchase?
Transformers are engineered for decades of reliable operation when properly maintained. Many manufacturers offer comprehensive lifecycle support—from design and commissioning to maintenance, upgrades, and digital monitoring—to optimize performance and minimize downtime.

Keep In Touch With Us

We are a professional transformer manufacturer dedicated to delivering reliable, efficient, and customized power transformer solutions for industrial, commercial, and utility applications worldwide.


Thank you for taking the time to explore our transformer products and solutions. If you have any questions, project requirements, or need technical support, our team is ready to assist you. You are welcome to contact us through the following methods to discuss your power needs and find the right transformer solution for your project.

Mob: +86-591-88003341

E-mail: Info@diypowers.com

sales@diypowers.com

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