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Voltage Stability Assesment Using Modal Analysis
Rina R Prajapati,  Bhavin.J.Shah,  Shukla Darshan H
The continuous increase in the demand of active and reactive power in the power system network has limits as scope for network expansion many a times poses serious problem.The power system must be able to maintain acceptable voltage at all nodes in the system at a normal operating condition as well as post disturbance periods. Among all stability issues, voltage instability due to the inability of the transmission or generation system to deliver the power requested by loads is one of major concerns in today's power system operations. Usually, voltage instability initiates from a local bus but may develop to wide-area or even system-wide instability. Voltage stability assessment in a power system for preventing disaster of voltage collapse.By reducing jacobian modal analysis can be present for voltage stability assessment.To know the Status of stability eigenvalues are to be find using jacobian.As the smallest value of eigenvalue will identify critical mode of system.The methodology is tested using IEEE 9 and IEEE 14 bus of power system.
Keywords- Modal Analysis, IEEE 9 and IEEE 14 Bus system, Eigen value,voltage collapse, Participation factor.
Unique Identification Number - IJEDR2004013Page Number(s) - 76-84Pubished in - Volume 8 | Issue 4 | December 2020DOI (Digital Object Identifier) -    Publisher - IJEDR (ISSN - 2321-9939)
Cite this Article
Rina R Prajapati,  Bhavin.J.Shah,  Shukla Darshan H,   "Voltage Stability Assesment Using Modal Analysis"
, International Journal of Engineering Development and Research (IJEDR), ISSN:2321-9939, Volume.8, Issue 4, pp.76-84, December 2020, Available at :http://www.ijedr.org/papers/IJEDR2004013.pdf