Core Viewpoint - The successful operation of a new type of distribution line carrier protection device in Anhui Ma'anshan marks a significant advancement in key technologies for the protection and control of new power distribution systems in China [1] Group 1: Technological Advancements - The device is designed for high penetration of renewable energy sources and addresses challenges in protection principles and communication channels for distribution networks [1] - It utilizes a new generation of broadband power carrier communication technology, employing the power line itself as a communication medium [1] - The innovative combination of long and short message standardized interaction technology enhances the reliability of data transmission while meeting the speed requirements of relay protection [1] Group 2: Performance and Efficiency - The new protection algorithm integrates analog and switch data, achieving accurate fault isolation within 0.1 seconds [1] - This technology effectively resolves the inadequacies of traditional protection systems in adapting to the widespread integration of renewable energy [1] - It provides a scalable and rapid protection solution for active distribution networks, balancing cost and performance [1]