Open AccessRobust optimal shunt dispatch method in wind farm integration area
Author(s) -
Xu Fengda,
Guo Qinglai,
Sun Hongbin,
Zhang Boming,
Jia Lin
Publication year - 2017
Publication title -
the journal of engineering
Language(s) - English
Resource type - Journals
ISSN - 2051-3305
DOI - 10.1049/joe.2017.0647
Subject(s) - shunt (medical) , control theory (sociology) , wind power , electric power system , voltage , computer science , automotive engineering , mathematical optimization , engineering , power (physics) , control (management) , electrical engineering , mathematics , medicine , physics , quantum mechanics , artificial intelligence , cardiology
For a transmission system with a large scale of wind farm integration, dispatch of discrete shunt capacitor/reactor banks that affects the long‐term system operation has to consider huge wind power uncertainties. This study describes a day‐ahead assessment to gain the shunt switching time intervals. Based on it, wind curtailments, discrete shunts, and other continuous reactive power outputs are optimised to minimise the voltage deviations of pilot buses in the worst circumstance on the premise of system safety. Alongside, the voltage control decisions are made within a minimum cost of wind curtailments and shunt switching. The approach is calculated from a two‐stage robust optimisation problem with a mixed integer. Control strategies derived from it are tested on a wind power integration system in China. The simulation shows positive results of the proposed method.