What is a current transformer?
2021-09-18
Miniature Current Transformer Divided into miniature current transformers (including miniature current converters) and miniature voltage transformers. It is equipment in the power industry. Miniature current transformers are generally used for measurement and protection of various power meters. Compared with ordinary transformers, miniature current transformers have the characteristics of small size (nail size) and high precision.
A miniature current transformer is a current-type voltage transformer. The primary resistance is connected in series through the circuit, and the secondary resistance is connected in parallel. The voltage is converted into current. After the transformer performs current conversion, the primary output current signal is converted into the required voltage through a sampling resistor. Most miniature voltage transformers are inserted into the circuit board.
Miniature current transformers (including miniature current converters) have no resistance on the primary side. Miniature current transformers are divided into two types: multi-turn winding type (inserted into the circuit board) and through-hole type.
Electronics are not only necessities in people's lives today, but also drive human progress and the development of civilization. The construction and operation of power systems cannot be separated from an important product—the transformer. It is said that the transformer is like the eyes of the power grid, collecting voltage and current on the power grid. Transformers can not only achieve measurement, but also cooperate with relay protection and automatic devices to form electrical protection and automatic control of various faults on the power grid. It can be seen that the invention and application of transformers have made the widespread application of electricity in industry and homes possible. Therefore, a small transformer is almost related to the development and progress of the entire human civilization.
Therefore, many scientists have been committed to the research and manufacturing of transformers.
China has carried out large-scale transformer research and development; since the 1950s, it has been committed to research and development and production. With the development of the times, the updating and iteration of transformers are changing with each passing day. At present, miniature current transformers have become an important product in the transformer industry, and because they can meet the requirements of computer sampling signals and realize the digitalization of power measurement, they have become a star product developed and produced by many transformer companies.
To become an industry leader, we not only need Miniature Current Transformer a clear understanding and forward-looking analysis of products, technology, and the entire industry, but also the strength and courage to keep up with the times and continuously innovate. A professional and clear understanding of various transformers used in relay protection and measurement control devices.
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