What are High Voltage Direct Current (HVDC) Contactors and how are they used in electrical systems?

Update:27-04-2023
HVDC Contactors are an essential component of High Voltage Direct Current (HVDC) systems, which are used to transmit electricity over long distances with minimal losses. In HVDC systems, the electricity is converted from AC (Alternating Current) to DC (Direct Current) at the sending end and then converted back to AC at the receiving end. HVDC Contactors play a crucial role in controlling the flow of electrical power within the system.

HVDC Contactors are essentially high-power switches that can handle large currents and high voltages. They are designed to operate in harsh environments and are typically used in power transmission systems, industrial plants, and electric locomotives. HVDC Contactors are used to isolate parts of the electrical system, to connect or disconnect sections of the system, and to protect the system against overloads and short circuits.

HVDC Contactors are usually made of high-quality materials such as copper, silver, and tungsten. These materials are chosen for their ability to conduct electricity efficiently and withstand high temperatures and mechanical stresses. The contactors are housed in robust enclosures that provide protection against dust, moisture, and other environmental factors.

HVDC Contactors can be operated manually or electronically. Manual contactors are controlled by a lever or a button and are typically used in low-power systems. Electronic contactors are controlled by a microprocessor and can be programmed to respond to various conditions within the electrical system, such as voltage spikes or overloads.

Zhejiang Zhongxin New Energy Technology Co., Ltd.
Zhongxin has more than ten years of relay research and development, manufacturing experience. A number of technical talents are experts in the field of relay research and development in China earlier, with strong technical force. They are the standard drafting units for the domestic magnetic latching relay industry, and are national high-tech enterprises undertaken by the National 863 Spark Program.
● Our annual production capacity reaches more than 50 million pieces
● We have a strong R & D team
● We have two own production plants
● We have our own testing laboratory and the most advanced and complete testing equipment