A Novel Reactive Power Compensation Scheme of UHV AC Transmission Line

Reactive power compensation scheme directly affects the overvoltage and safety operation of UHV AC transmission line. To maintain the voltage along the line in a reasonable range, reactive power compensation should change with the power flow dynamically. In the paper, a novel reactive power compensa...

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Bibliographic Details
Main Authors: Jingchao Zhang, Zhuoya Chen, Kun Gao, Anhe Yan
Format: Conference Proceeding
Language:English
Subjects:
Capacity planning
Distributed parameter circuits
Equivalent circuits
Impedance
Load flow
Power grids
Power transmission lines
Reactive power
Surges
Voltage control
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Description
Summary:Reactive power compensation scheme directly affects the overvoltage and safety operation of UHV AC transmission line. To maintain the voltage along the line in a reasonable range, reactive power compensation should change with the power flow dynamically. In the paper, a novel reactive power compensation scheme of UHV AC transmission line is proposed, which is based on the independent local power network. Compared to other plans, this method requires less reactive power compensation capacity of sending and receiving ends, and the transmission capability of UHV AC line can be increased through dynamic reactive power compensation adjustment with the change of power flow. Finally, the feasibility of this scheme is discussed through an demonstration UHV transmission line in China.
ISSN:2157-4839
DOI:10.1109/APPEEC.2009.4918102