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Series capacitors compensation plays a more and more important role in long-distance and large-capacity transmission system, whose model has a significant impact to system stability study. Firstly, both gap protected SC model and linearized model is applied into the available power transmission capability and system stability study in electromechanical transient simulation in this paper. Secondly,...
The interaction exists between the China-Mongolia High Voltage Direct Current (HVDC) converters and turbine-generators at the coal-electricity base, and negative electrical damping provided by HVDC may cause subsynchronous oscillation (SSO). This paper studies on the SSO damping controller (SSDC) principle, SSDC input signal select, SSDC broadband design and narrowband design approach, etc. The SSO...
Adopting series capacitors (SC) on 1000kV UHV AC transmission line can further uprate its transmission capacity, and it can also make impact on operation voltage characteristics of UHV system. Especially for heavy-load mode, as the large voltage step-up caused by SC, the issues on system operation voltage control may be more prominent. The layout manner for SC on lines and the relative fixed position...
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