Island microgrid black start system and method

• Main Authors: ZHU LIWEI, FENG XINZHEN, LI HONG, GAO QIAN, HUANG HE, WANG YAMING, FU XIANGYUN, DU YUNHU, YUE FUCHANG, ZHAO SHANGLIN, WANG DESHUN, SUN BO, ZHANG KUI
• Format: Patent
• Language: Chinese; English
• Published: 21.07.2017
• 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 discloses an island microgrid black start system and method. According to the system, a direct-driven wave power generation system is taken as a black start power source, the black start power source is connected with an island microgrid main network through a transmission line, the direct-driven wave power generation system comprises multiple branches, each branch comprises a wave power generation set, a PWM rectifier and a PWM inverter, and a grid connected point of the island microgrid main network and the direct-driven wave power generation system is provided with energy storage equipment and a reactive power compensation device in a parallel mode. The method comprises steps that the direct-driven wave power generation system is taken as the black start power source, and a direct-driven wind power generation set is taken as the black start power source; the wave power generation sets, the energy storage equipment and the reactive power compensation device are employed to realize coordination