Application of FACTS in Jiangsu Power Grid

doi:10.3969/j.issn.1000-7229.2014.11.015

Abstract

Abstract:

The current status of the development and application of flexible AC transmission system （FACTS） were introduced. According to the problems in the planning and development of Jiangsu power grid, taking middle across-Yangtze-river transmission channel, western-Nanjing inter-city circle grid and southern-Suzhou system as examples, the feasibility that the application of FACTS could improve the reliability and transfer capacity of Jiangsu power grid was studied and analyzed through system simulation. The results show that： with the application of FACTS, the power flows in the system can be effectively controlled, the transfer capacity can be obviously improved, so as to avoid the huge investment and difficult construction for the new across-river transmission channels and across-city cables, and solve the voltage unstable problem caused by severe faults such as bipolar latched in UHVDC system, etc. In summary, the application of FACTS can prominently improve the efficiency and reliability of Jiangsu power grid, which can achieve good economic and social benefits.

Key words: flexible AC transmission system （FACTS）, controllable serial reactor, unified power flow controller （UPFC）, transfer capacity

WANG Xu, QI Wanchun, HUANG Junhui, XIE Zhenjian, WU Chen. Application of FACTS in Jiangsu Power Grid[J]. ELECTRIC POWER CONSTRUCTION, 2014, 35(11): 92-96.

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