Improvement of Rotor Angle Stability and Dynamic Performance of AC/DC Interconnected Transmission System
Journal Title: INTERNATIONAL JOURNAL OF ENGINEERING TRENDS AND TECHNOLOGY - Year 2013, Vol 4, Issue 5
Abstract
his paper illustrates a study on improvement of rotor angle and dynamic performance of AC/DC interconnected system. High voltage direct current transmission is an economic way for long distance power delivery and/or interconnection of asynchronous system with different frequencies. With the development of modern power system, HVDC system plays much more important role in power grids due to their huge capacity and capability of long distance transmission. An AC/DC parallel transmission system and a three-in feed HVDC system are modeled using PSCAD/EMTDC. Simulations corresponding to different situations are performed. From the simulation results, HVDC Light is proven to be able to improve the rotor angle stability and dynamic performance of AC/DC interconnected transmission system, and support the AC voltage during the system fault to enlarge the margin of the voltage stability which is the basic difference from conventional HVDC. HVDC Light can also prevent commutation failure in multi-in feed HVDC system and help the recovery of HVDC system too
Authors and Affiliations
Ramesh Gantha1 , Rasool Ahemmed
Keywords
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