Study on the Influence of Grid-connected New Energy on Relay Protection System and its Countermeasures
The large-scale grid-connection of new energy has brought profound impact on the traditional relay protection system,especially in voltage stability,short-circuit current characteristics and frequency fluctuations.Based on the specific impact of grid-connected new energy on the relay protection system,this paper analyzes the current challenges,and puts forward strategies to deal with these challenges,including the optimal design of the relay protection device,the dynamic adjustment of the system,the application of intelligent protection technology,etc.,in order to provide technical support and optimization path for ensuring the safe and stable operation of the power system.
new energy grid connectionrelay protectionelectric power systemvoltage stabilityintelligent protection technology