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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 for informationization, 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 explore the three major 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 for informationization, digitalization, automation, and interactivity has become a hot topic of common concern for research institutions and manufacturers alike. Recently, industry experts have shared their insights on the technical challenges facing intelligent vacuum circuit breakers.
From the perspective of future user needs, intelligent vacuum circuit breakers should not only possess the general functions of conventional vacuum circuit breakers, but also feature sensing capabilities, cognitive and decision‑making abilities, and execution functions. In other words, they must not only be capable of acquiring large volumes of surrounding information with high sensitivity and accuracy, and of analyzing and processing that information while issuing execution commands and performing monitoring, but also of providing effective feedback on the results of analysis and processing, along with the necessary operational functions. In response to these requirements, experts have stated that intelligent vacuum circuit breakers face three key technical challenges that must be overcome.
The first technical challenge is to implement perception capabilities. This forms the foundation of intelligent systems, and the realization of this function must rely on modern sensor technology 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 accurately, reliably, and sensitively reflect changes in the underlying data. In addition to possessing high quality and high reliability themselves, sensors should also be well-suited to the operating environment of circuit breakers, feature a compact design, and be easy to install.
The second technical challenge is the implementation of cognitive decision-making functionality. This is the core of intelligent systems, and its realization depends crucially on modern electronic technology, computer technology, and communication technology. The intelligent controller receives inputs from both perception functions—such as sensory data—and from feedback generated by actuation functions, as well as control information originating from the system itself. After comprehensively analyzing this information, the intelligent controller can automatically identify the operating status of the circuit breaker, autonomously adjust the circuit breaker’s operating parameters, automatically log critical data, and perform intelligent diagnostics on the circuit breaker’s components and operations. In addition, the intelligent controller’s outputs serve two primary purposes: they provide operational commands to the actuation functions, and they supply the system with real‑time information about the circuit breaker’s operating status. Beyond its cognitive decision‑making capabilities, the intelligent controller must also exhibit high reliability, long service life, and strong electromagnetic interference immunity.
The third technical challenge is the implementation of actuation functionality. The actuation function must reliably execute the operation commands issued by the controller, completing the closing and opening of the circuit breaker; at the same time, it must feature high reliability, long service life, and a compact footprint. Currently, the permanent-magnet operating mechanisms that have been developed and deployed can basically meet the actuation requirements of intelligent circuit breakers.
According to reports, the realization of perception capabilities and cognitive judgment functions represents a critical technical challenge that requires substantial effort and breakthroughs in the development of intelligent vacuum circuit breakers. A number of products have already been launched, and it won’t be long before we see major advancements in these key technologies. For more information on intelligent vacuum circuit breaker products, stay tuned to the official website of Erzheng Electric at http://www.ahez.com.cn/—we’ll be regularly sharing additional insights and updates related to vacuum circuit breakers!
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