tongyu

tongyu

tongyu

tongyu

Focus on the field of power transformer

Focus on the field of power transformer

Provide high-quality, high-performance products to global customers
Focus on the field of power transformer

Focus on the field of power transformer

Provide high-quality, high-performance products to global customers

Products

Why choose Tongyu

Our company has advanced production equipment, process equipment and perfect quality assurance system of epoxy resin insulated medium voltage transformer. All kinds of testing facilities are complete, and the test devices with excellent performance such as comprehensive verification of transformer, comprehensive test of high voltage electrical apparatus, high voltage test and partial discharge detection are composed to ensure the comprehensive inspection of products leaving the factory and guarantee the quality of products.

2011 Year

The company was established in

12 Year

Industry experience

70 +

Production personnel

30 +

Professional and technical R & D personnel

40 +

Product Export Country

Service Support

Service Support

The company continuously introduces modern first-class production equipment and manufacturing technology, and pays attention to the investment in product research and development and the cultivation of scientific and technological talents. Now it has a complete set of core technologies for product research and development and manufacturing. Complete set of complete product development and manufacturing of the core technology. Under the persistence of high-quality and high-precision goals, combined with the wisdom and diligence of people in the new era, we continue to provide global customers with high-quality and high-performance products...

2023/07/28

State Grid Xinjiang Electric Power Self-developed the first domestic low-voltage current transformer live detection device put into use.

Tianshan Net News (Photographic report by correspondent Yin Wenqing) On March 16, the first domestic low-voltage current transformer live detection device independently developed by State Grid Xinjiang Electric Power Co., Ltd. was put into use in Kuitun, Xinjiang. Relying on this set of equipment, power supply companies in various cities in Xinjiang can carry out "non-inductance" detection of low-voltage current transformers without power outages in the future, so as to minimize the impact of users' electricity consumption.

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2023/07/28

What are the working principles and characteristics of voltage transformers?

The impedance of the voltage transformer itself is very small. Once the secondary side is short-circuited, the current will increase sharply and burn the coil. For this reason, the primary side of the voltage transformer is connected with a fuse, and the secondary side is reliably grounded, so as to avoid personal and equipment accidents caused by high potential to the ground on the secondary side when the insulation of the primary and secondary sides is damaged.

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2023/07/28

The role of voltage transformer in the circuit?

The function of the voltage transformer is to transform the high voltage into a standard secondary voltage of 100v or low grade according to the proportional relationship for protection, metering and instrument devices.

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Partners

State Power Investment
National Grid
National Energy Group
Huaneng Group
China Guodian
Datang Power

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