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Recently, the 220kV, 5Mvar high-coupling split reactor with the highest voltage level in China has been successfully
developed in XD, China.
With the rapid development of China's power system construction, the continuous increase of electricity load, the continuous increase of generator stand-alone capacity, and the continuous strengthening of the interconnection of major regional power grids, the short-circuit current level in the power system has increased sharply, exceeding the breaking capacity
of existing circuit breakers.
Under the premise of comprehensive consideration of system reliability, rapid fault removal and economy, the current power system uses a high-capacity circuit breaker while using a highly coupled split reactor to realize the parallel connection of the circuit breaker, thereby effectively improving the short-circuit current breaking capacity
.
Xidian Westchange, a subsidiary of China XD that undertakes this research task, actively participated in the project of "Research and Engineering Application of Large Capacity Short Circuit Current Breaking Device" of China Southern Power Grid Corporation, participated in the sub-project "Research on Breaking Mechanism of Complete Set of Devices and Key Equipment Type and Parameter Optimization", and was responsible for the specific implementation
of the sub-project "Research on Key Technologies for the Design and Trial Production of High Coupling Shear Reactor Prototype" 。 According to the research results of high-coupling split reactor types in the early stage of Huastech University, combined with the characteristics of enterprise production equipment and production process, the research group further refined the type of 220kV high-coupling split reactor, completed the design and trial production of high-coupling split reactor prototypes, and made new contributions
to the development of China's electric power industry.
Recently, the 220kV, 5Mvar high-coupling split reactor with the highest voltage level in China has been successfully
developed in XD, China.
With the rapid development of China's power system construction, the continuous increase of electricity load, the continuous increase of generator stand-alone capacity, and the continuous strengthening of the interconnection of major regional power grids, the short-circuit current level in the power system has increased sharply, exceeding the breaking capacity
of existing circuit breakers.
Under the premise of comprehensive consideration of system reliability, rapid fault removal and economy, the current power system uses a high-capacity circuit breaker while using a highly coupled split reactor to realize the parallel connection of the circuit breaker, thereby effectively improving the short-circuit current breaking capacity
.
Xidian Westchange, a subsidiary of China XD that undertakes this research task, actively participated in the project of "Research and Engineering Application of Large Capacity Short Circuit Current Breaking Device" of China Southern Power Grid Corporation, participated in the sub-project "Research on Breaking Mechanism of Complete Set of Devices and Key Equipment Type and Parameter Optimization", and was responsible for the specific implementation
of the sub-project "Research on Key Technologies for the Design and Trial Production of High Coupling Shear Reactor Prototype" 。 According to the research results of high-coupling split reactor types in the early stage of Huastech University, combined with the characteristics of enterprise production equipment and production process, the research group further refined the type of 220kV high-coupling split reactor, completed the design and trial production of high-coupling split reactor prototypes, and made new contributions
to the development of China's electric power industry.
