New energy penetration rate assessment method based on probability power flow calculation

• Main Authors: LI XIAOLONG, SUN CHENJUN, GAO YAN, WANG HAOHAO, ZHANG BAILIN, FU ZHENG, HOU RUIJIE, YANG LI, CHANG KANG, WEI MINGLEI, WANG MAXIANG, HAO RUHAI, LI QUANMAO, ZHANG WEI, ZHANG DONGLIANG, LIANG FUBO, ZHENG XIAOJIANG, HAN JIE, BAI RUNQING, CHEN SHIBIN, SONG JIANGUANG, GAO LEI, LI YANGJUN, ZHI YONG, ZHANG HAOTIAN, WU FENG, QIAN WEIJIANG, CHEN ZHENHUAN, ZHANG YANKAI
• Format: Patent
• Language: Chinese; English
• Published: 12.10.2016
• 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 a new energy penetration rate assessment method based on probability power flow calculation, and belongs to the technical field of power system automation. The method combines the impact on a power grid from the variability and instability of wind/solar hybrid generation and the external load level and the change condition thereof. The method takes static stable constraint and reactive power control of a power system as conditions, obtains the change range of the voltage of an output common grid-connected point of a wind/solar hybrid generation station through probability power flow calculation, takes the specified range of the voltage of the grid-connected point as the index, and carries out the assessment of the maximum capability that the wind/solar hybrid generation station is connected to the power grid. The method can improve the safe and stable operation level of the wind/solar hybrid generation station, effectively guarantees the generation of the wind/solar hybrid generation s