WANG Kang,LI Ziheng,YANG Chaoran,et al.Siting Method of Synchronous Condenser for Small-signal Stability Improvement of Large-scale Renewable Energy Base[J].Automation of Electric Power Systems,2022,46(4):66-74.
WANG Kang,LI Ziheng,YANG Chaoran,et al.Siting Method of Synchronous Condenser for Small-signal Stability Improvement of Large-scale Renewable Energy Base[J].Automation of Electric Power Systems,2022,46(4):66-74. DOI: 10.7500/AEPS20210403001.
Siting Method of Synchronous Condenser for Small-signal Stability Improvement of Large-scale Renewable Energy Base
With the increasing integration of power electronic devices into the power system
the strength of the power grid is relatively weakened
and the system faces higher risk of small-signal instability. Synchronous condensers can provide voltage support for the power system fed by large-scale power electronic devices
which reduces the risk of the system instability. However
the quantitative research on the effect of synchronous condensers on system stability improvement is not mature
and the siting planning method is inadequate. To this end
the dynamic model of multi-infeed system integrated with synchronous condensers is first established. Then
the mechanism that synchronous condensers improve the strength and the stability margin of the system is theoretically deduced. Finally
the optimal siting method of synchronous condensers is studied from the perspective of improving the stability margin of the system. The effectiveness of the proposed method is verified through simulations on a 2-area 4-machine system and a 39-bus system.
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