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The Three Major Technologies Facing Intelligent Vacuum Circuit Breakers—Erzheng Electric Invites You to Learn About Them Together
Release time:
2020-06-21
As one of the core components of power transmission and distribution equipment, how vacuum circuit breakers can meet the requirements of smart grids—namely, informatization, digitalization, automation, and interactivity—has become a hot topic of common concern among research institutions and manufacturers. Recently, industry experts have shared their insights on the technical challenges facing intelligent vacuum circuit breakers.
Today, Erzheng Electric invites you to learn about the three key technologies facing intelligent vacuum circuit breakers:
As one of the core components of power transmission and distribution equipment, how vacuum circuit breakers can meet the requirements of smart grids—namely, informatization, digitalization, automation, and interactivity—has become a hot topic of common concern among research institutions and manufacturers. Recently, industry experts have shared their insights on the technical challenges facing intelligent vacuum circuit breakers.
From the perspective of future user needs, an intelligent vacuum circuit breaker, in addition to possessing the general functions of a conventional vacuum circuit breaker, should also feature sensing capabilities, cognitive and decision-making abilities, and execution functions. Specifically, it must not only be capable of sensitively and accurately acquiring large amounts of surrounding information, but also of analyzing and processing this information, issuing execution commands, and monitoring the entire process. Moreover, it should be equipped with effective feedback mechanisms for the results of analysis and processing, as well as the necessary operational functions to carry out these feedback actions. In response to these requirements, experts point out that intelligent vacuum circuit breakers face three key technical challenges that need to be overcome.
The first technical challenge is to implement perception capabilities. This capability forms the foundation of intelligent systems, and its realization must rely on modern sensor technologies to acquire data such as voltage, current, insulation (partial discharge), distance, speed, and temperature. Sensors convert this information into various signals that can be recognized and processed. These signals must accurately, reliably, and sensitively reflect changes in the underlying data. In addition to possessing high quality and high reliability themselves, sensors should also be adaptable to the operating environment of circuit breakers, compact in size, and easy to install.
The second technical challenge is the implementation of cognitive judgment functionality. This functionality lies at the heart of intelligence, and its realization depends crucially on modern electronic technology, computer technology, and communication technology. The intelligent controller’s inputs include information acquired from perception functions, feedback from actuation functions, and control information from the system itself. After comprehensively analyzing these inputs, the intelligent controller can automatically identify the operating status of the circuit breaker, automatically adjust the operation parameters of the circuit breaker, automatically record critical information, and perform intelligent diagnostics on the circuit breaker’s components and operations—all as part of its cognitive judgment capabilities. The intelligent controller’s outputs, on the one hand, provide operational instructions to the actuation functions, and on the other hand, supply the system with information about the circuit breaker’s operating status. In addition to possessing intelligent cognitive judgment capabilities, the intelligent controller must also exhibit high reliability, long service life, and strong resistance to electromagnetic interference.
The third technical challenge is the implementation of actuation functionality. This actuation function must reliably execute the operation commands issued by the controller, ensuring the closing and opening of the circuit breaker. At the same time, the actuation function must feature high reliability, long service life, and a compact size. Currently, the permanent-magnet operating mechanisms that have been developed and put into use largely meet the requirements for actuation functionality in intelligent circuit breakers.
It is understood that realizing perception and cognitive judgment functions represents a critical technical challenge that must be vigorously tackled and overcome in the R&D of intelligent vacuum circuit breakers. Currently, several products have already been launched, and breakthroughs in these key technologies are expected very soon. For more information on intelligent vacuum circuit breaker products, please stay tuned to the official website of Erzheng Electric at http://www.ahez.com.cn/. We’ll keep updating you with more news and insights related to vacuum circuit breakers!
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