Company News

Uniting Hearts and Minds, Embarking on a New Journey | Zhengzhou Tongyu Technology’s Annual Conference Concludes Successfully

On [date], Zhengzhou Tongyu Technology Co., Ltd. held its annual gala with great fanfare. All employees gathered together to reminisce about the past and look ahead to the future.

2026

Deepening International Cooperation | Overseas Clients Visit Zhengzhou Tongyu Technology for Inspection and Study

Recently, overseas partner clients visited Zhengzhou Tongyu Technology for an inspection and tour, gaining firsthand insight into the company’s production, R&D, and operations.

2026

Industry Trends: Exploring the Future Development of Combined Mutual Inductors

In-depth discussion of the importance and future trends of combined current and voltage transformers in the power industry.

2025

Application and Development of Current Transformers in Modern Power Industry

Exploring the latest trends and application prospects of current transformers in the power industry, gaining insight into the future of the industry.

2025

The Importance and Development Trends of Voltage Transformers in Smart Grids

Explore the latest industry trends in voltage transformers and their crucial role in smart grids.

2025

Tongyu Technology Spring Outing: Gathering Strength, Embracing the Spring

With a gentle spring breeze and all things reviving, Tongyu Technology Company recently organized a spring outdoor expansion activity themed "Walking Together, Enjoying the Spring Scenery" to enrich employees' Cultural Life and enhance team cohesion.

2025

Some advantages of indoor current transformers

The secondary side of the current transformer must not be open-circuited. When the secondary side of the current transformer is open-circuited, the entire primary current is used for magnetization. The secondary winding induces a dangerous high voltage, which can reach several kilovolts or even higher, seriously threatening personnel and equipment.

2025

What are the characteristics of indoor current transformers?

Current transformers are suitable for current testing over a wide frequency range, and they perform especially well in high-frequency circuits. When the current being measured passes through the transformer windings, it generates a magnetic field that is proportional to the current.

2024

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