High-Performance Breaking and Intelligent of Miniature Circuit Breakers

Area of Science:

• Electrical Engineering
• Power Systems
• Renewable Energy Integration

Background:

• The integration of clean energy sources like wind and photovoltaic power necessitates advancements in power system infrastructure.
• The increasing demand for intelligent power equipment, including miniature circuit breakers, is driven by the need for enhanced performance and digital capabilities in the power IoT system.

Purpose of the Study:

• To investigate high-performance AC/DC switching technology, remote control, and digital monitoring for miniature circuit breakers.
• To develop an intelligent circuit breaker with improved short-circuit breaking ability and advanced functionalities for the power IoT.

Main Methods:

• Development of a novel DC non-polar breaking technology to enhance short-circuit breaking capacity.
• Fabrication of an experimental prototype incorporating advanced switching and control technologies.
• Creation of a digital condition monitoring and remote control software platform.

Main Results:

• The developed prototype successfully passed a DC 1000 V/10 kA short-circuit breaking test.
• An intelligent circuit breaker was created with capabilities for remote switching, real-time temperature detection, energy metering, and fault warnings.
• A dedicated software was developed for digital condition monitoring and remote control.

Conclusions:

• The proposed DC non-polar breaking technology significantly improves short-circuit breaking ability.
• The developed intelligent circuit breaker and its associated software offer a comprehensive solution for the power IoT.
• This research holds theoretical and practical significance for the advancement of the power Internet of Things and smart grid development.