Rapid self-healing method for main line fault of power distribution network

• Main Authors: WANG FAN, LIU PENG, ZHAO LUXIN, DING BIN, LI ZHENWEI, MENG BIN, XING ZHIKUN, ZHAO SHUJUN, TANG BAOFENG, YUAN BO
• Format: Patent
• Language: Chinese; English
• Published: 13.06.2023
• Subjects: BOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLYOR DISTRIBUTION OF ELECTRIC POWER; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

The invention provides a power distribution network main line fault rapid self-healing method, a power grid structure based on the method comprises a main line network, a branch line network and a power distribution automation device which are connected with one another, the main line network is a double petal type main line network, and the branch line network is a double-ring network which is composed of four power distribution rooms and comprises two branch loops; in practical application, line faults occurring in a normal operation state and a maintenance state account for more than 90% of the total fault of the power grid structure, the self-healing method is given based on the two states and by combining the position of a fault occurrence point, and the method is reliable, rapid, effective and worthy of application and popularization. 本发明提供了一种配电网主干线故障快速自愈方法，该方法基于的电网结构包括相互连接的主干网、支线网和配电自动化装置，所述主干网为双花瓣式的主干网，所述支线网为由四个配电室组成的包含有两个支环路的双环网；实际应用中正常运行状态以及检修状态发生的线路故障占到了本电网结构总故障90％以上，本发明基于此两种状态，结合故障发生点位置给出一套自愈方法，该方