Teleprotection is a crucial component of modern power systems, providing advanced and swift means of safeguarding electrical grids against faults and disturbances. Essentially, teleprotection refers to the use of telecommunication technology to rapidly transmit signals for protective relaying and control purposes in power systems.

Its primary objective is to isolate faulty sections of the grid and minimize the impact of disturbances on the overall system. Teleprotection schemes employ various communication channels, such as fiber optics, microwave links, or digital telecommunication networks, to relay information between protective relays located at different substations.

These relays make real-time decisions based on the received signals, triggering protective actions such as circuit breaker tripping to isolate the faulty section. The implementation of teleprotection enhances the reliability and efficiency of power systems by reducing fault-clearing times, improving coordination between protection devices, and minimizing the risk of cascading failures. As technology continues to advance, teleprotection systems evolve to incorporate more sophisticated communication protocols and cybersecurity measures, ensuring the resilience and security of critical power infrastructure.