Method and device for estimating openable capacity of power distribution network

• Main Authors: HAN JINGLIN, ZHENG YUGUANG, TAN XIAOLIN, ZHAO ZIHAO, HAO ZHIFANG, AN JIAKUN, HE CHUNGUANG, ZHAO YUCHEN, SUN CHONGBO, LIU YANG, JIN QIANG
• Format: Patent
• Language: Chinese; English
• Published: 26.04.2024
• 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 power distribution network openable capacity estimation method and device, and belongs to the technical field of photovoltaic grid-connected calculation. The method comprises the following steps: acquiring the current openable capacity of a target power distribution network; calculating predicted access data in the target time period according to historical access data of the target power distribution network in the historical time period; wherein the predicted access data comprises predicted load change information, predicted energy storage change information and predicted distributed power supply change information; the power grid capacity calculation model is optimized according to the current openable capacity and the predicted access data, and the predicted openable capacity in the target time period is obtained; wherein an energy storage-load conversion parameter, an energy storage-distributed power supply conversion parameter and a distributed power supply-load conversion param