Research on Adaptive Setting Method of Relay Protection for Grid Connected Distributed Generation
In order to accurately detect and cut off faults,this paper deeply studies the adaptive setting method of relay protection under the condition of grid connection of distributed power supply.Firstly,the influence of grid-connected distributed power supply on distribution network relay protection is analyzed,and the coordination relationship between protection devices is evaluated and adjusted.Secondly,a relay protection scheme under the condition of grid connection of distributed power supply is designed,which can quickly and efficiently complete the relay protection action when a fault occurs;Finally,the adaptive setting of relay protection is realized.The experimental results show that the adaptive setting method proposed in this paper can detect and cut off faults quickly and accurately,and dynamically adjust the setting value of the protection device according to the changes of the power grid,which significantly improves the performance of the protection device.
adaptive settingrelay protectiondistribution network operationgrid connection of distributed power supply
NETL
NSTL
万方数据
