Adaptive electronic relay for smart grid based on self-healing protection.

Area of Science:

• Electrical Engineering
• Power Systems Engineering
• Computer Science

Background:

• Modern power systems, particularly smart grids, face increased complexity, making fault detection and isolation critical for grid stability and component protection.
• Traditional protection systems struggle to keep pace with the dynamic nature of smart grids, necessitating advanced solutions.
• Ensuring the reliability of essential grid components like generators, transformers, and transmission systems is paramount.

Purpose of the Study:

• To propose an optimal protection solution for smart grids using an adaptive electronic relay.
• To enhance the reliability and enable self-healing capabilities of power systems.
• To develop a protection algorithm capable of rapid fault detection and isolation.

Main Methods:

• Development of an adaptive electronic relay with an advanced protection algorithm.
• Validation of the relay operation algorithm using MATLAB SIMULINK simulations.
• Testing the proposed solution across various smart grid components, including transformers, transmission, and distribution systems.

Main Results:

• The proposed protection algorithm successfully detects and isolates faults within 25 milliseconds.
• Simulation results demonstrate the effectiveness of the adaptive electronic relay in enhancing smart grid protection.
• The solution proved effective in diverse smart grid sections, confirming its versatility.

Conclusions:

• The adaptive electronic relay offers an effective solution for smart grid protection challenges.
• The proposed system significantly improves fault detection and isolation times, contributing to grid reliability.
• This technology enables self-healing capabilities, crucial for resilient power infrastructure.