Constant volume method of urban power grid multi-partition flexible interconnection converter station

• Main Authors: XU SIXUAN, CAI HUI, ZHAO FEIFEI, DOU FEI, WANG WEIYUAN, HAN XINGNING, LIU BAILIANG, QI WANCHUN, CHENG JINMIN
• Format: Patent
• Language: Chinese; English
• Published: 11.01.2022
• 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 constant volume method of an urban power grid multi-partition flexible interconnection converter station, which specifically comprises the following steps: firstly, proposing a definition of the maximum power supply capability of an interconnected partition 220kV power grid, and establishing an interconnected power grid power supply capability evaluation mathematical model; secondly, adopting the improved K-means clustering to obtain the typical load level of the interconnection partition, and improving the precision of solving the power supply capability by the successive approximation method; and finally, determining the active capacity of the converter station by taking the purposes of achieving the maximum power supply capacity of the interconnected partitions and eliminating the overload of partition elements as targets. The influence of the load proportion of an induction motor in a load model on the reactive capacity of the converter station is considered, and the reactive cap