Differential protection method and system for power distribution network and power distribution terminal

• Main Authors: SUN YUNXIAO, SHE JUN, ZHOU CHAO, WEI LEI, WANG ZIYING, JIANG CHENGLING, NI CHANGXIANG, NIE GUOJI, ZHU DAOHUA, GUO YAJUAN, JIANG HAITAO, JIANG XINXIN, GUO JING, XU JIANGTAO, ZHAO XINDONG, LI YAN, HUANG WEI, BI XIAOTIAN
• Format: Patent
• Language: Chinese; English
• Published: 27.05.2022
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

The invention discloses a power distribution network differential protection method and system and a power distribution terminal in the technical field of power distribution networks, and the method is executed by the power distribution terminal and comprises the steps: obtaining reference time forwarded by client terminal equipment; a client terminal device exchanges data with an adjacent power distribution terminal through a 5G deterministic network so as to collect complete information required by differential protection calculation; generating a data message in combination with the reference time and the acquired information required by differential protection calculation; transmitting the data message to a power distribution management system through a 5G deterministic network, so that the power distribution management system can execute differential protection calculation according to the data message; wherein the adjacent power distribution terminal refers to the power distribution terminal which is lo