News

What is an oil filled power transformer
An oil filled power transformer is an electrical device that steps voltage up or down while using insulating oil to cool and protect its windings. Think of it like a car radiator for electricity—it manages heat so power flows safely and efficiently across long distances.
2026-09-07

U.S. Customers Visit Our Factory to Explore Transformer Manufacturing Capabilities
The visit began in our showroom, where our team introduced the company’s development history, current operations, main product lines, representative engineering projects, and relevant qualifications and honors. Through the product displays and detailed presentations, the customers gained a comprehensive understanding of our capabilities in transformer manufacturing, project applications, and quality management.
2026-09-02

Spreading Kindness and Warmth: Changzhou Guanghui Transformer Manufacturing Co., Ltd. Makes a Charitable Donation to Xuejia Experimental Primary School
Recently, Changzhou Guanghui Transformer Manufacturing Co., Ltd. actively fulfilled its corporate social responsibility by making a charitable donation to Xuejia Experimental Primary School, extending care and support to the school and its students through concrete action.
2026-09-02

Top 10 specialty transformer supplier in 2026
Custom transformers play a critical role in high-demand 2026 industrial operations. Modern facilities depend on these purpose-built units for data centers, traction networks, electrolysis plants, and battery energy storage systems. Standard distribution transformers fail prematurely in these harsh settings. Extreme harmonic stresses, high secondary currents, and sudden duty-cycle shocks quickly degrade standard units. Heavy industrial operations require specialized engineering to handle severe power conversion demands reliably.
2026-08-17

What is a dry type transformer 3-phase
You can define a 3 phase dry type transformer as a static electromagnetic device. This equipment transfers alternating current power between electrical circuits through magnetic induction. You will notice that the system operates continuously without moving parts.
2026-08-05
How does an oil immersed transformer work
You see an oil immersed transformer in many electrical systems. The oil inside keeps the transformer cool and stops electricity from leaking. Heat builds up when electricity flows through the windings. The oil absorbs this heat and spreads it out. The oil also acts as a barrier, helping the transformer work safely and reliably.
2026-07-27
What is the life expectancy of an oil filled transformer
You can expect an oil filled transformer to last between 20 and 30 years. With proper care, some units work for up to 50 years. Many residential electric transformers run for 25 to 30 years. Power pole transformers also reach 25 to 30 years. Electric utility transformers often last 30 to 40 years or more.
2026-07-16

Who are the top 10 transformer manufacturers in the world
You may wonder who leads the world in transformer manufacturing. The top 10 companies set the standard for quality and innovation. These firms supply vital equipment for power grids, factories, and renewable energy projects. You see European companies known for their advanced technology, while Asian firms offer cost-effective solutions. When experts rank a transformer manufacturer, they often look at revenue, market presence, innovation, and energy efficiency. Together, these leaders hold over 70% of the market for large power transformers.
2026-07-14

Transformer: The "Electric Heart" and Voltage Guardian of the Intelligent Era
In the intelligent era of power networks, transformers are as indispensable as the human heart. It not only undertakes the mission of converting from low voltage to high voltage, but also provides stable power for the intelligent operation of modern society through precise voltage regulation mechanism. This seemingly ordinary metal device is actually the most essential electromagnetic energy conversion equipment in the power system.
2026-06-26

How does a solar transformer work
A solar pv transformer helps you turn the energy from the sun into electricity that powers your home or business. Think of it like a translator that changes solar energy into a form that your appliances understand. You depend on this device to make sure your lights, computers, and machines work safely. Changzhou Guanghui Transformer Manufacturing Co.,Ltd. offers advanced solutions that make your solar pv transformer reliable and efficient.
2026-06-25





