Distributed power source grid connection capability evaluation method and device

• Main Authors: YE JILEI, JI LIANTAO, YU BIN, ZHAO SHANGLIN, YANG BO, TAO QIONG, WANG DESHUN, ZHANG HUIMING, XUE JINHUA
• Format: Patent
• Language: Chinese; English
• Published: 19.10.2018
• Subjects: 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 distributed power source grid connection capability evaluation method and device. According to the method and device, the equipment parameters, topology structure and operation data of a power distribution network and the initial power of an energy storage device after the power grid connection of a distributed power source are obtained; a plurality of operating scenes aredetermined according to the operation data; the power flow of the power distribution network after the power grid connection of the distributed power source is calculated according to the equipment parameters and topology structure of the power distribution network and the initial power of the energy storage device, and power flow calculation results under the operation scenes are obtained; and the grid connection capability of the distributed power source is evaluated according to the power flow calculation results under the operation scenes. According to the method and device of the invention, the power of the ener