Frontiers in Energy
>> 2012,
Volume 6,
Issue 3
doi:
10.1007/s11708-012-0198-6
RESEARCH ARTICLE
Load shedding scheme for an interconnected hydro-thermal hybrid system with SMES
Department of Electrical Engineering, National Institute of Technology, Kurukshetra 136119, India
Available online: 2012-09-05
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Abstract
The frequency of the power system varies based on the load pattern of the consumers. With continuous increase in the load, the frequency of the system keeps decreasing and may reach its minimum allowable limits. Further increase in the load will result in more frequency drop leading to the need of load shedding, if excess generation is not available to cater the need. This paper proposed a methodology in a hybrid thermal-hydro system for finding the required amount of load to be shed for setting the frequency of the system within its minimum allowable limits. The load shedding steps were obtained based on the rate of change of frequency with the increase in the load in both areas. The impact of superconducting magnetic energy storage (SMES) was obtained on load shedding scheme. The comparison of the results was presented on the two-area system.
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