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Title
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Transient Stability Analysis of the IEEE-9 Bus System under Multiple Contingencies
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Sub-Title |
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Subject |
transient stability; IEEE-9 bus system; critical time; rotor angle; power world simulator
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Author |
Mian Farhan Ullah
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Publish Year |
2020 |
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Diss#. |
https://doi.org/10.48084/etasr.3273 |
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Pages |
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Text Language |
English |
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Accession |
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Library Section |
Research Article |
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Abstract |
The determination of the transient stability of an
electric power system is a crucial step in power system analysis.
This paper investigates the transient stability of an IEEE-9 bus
system consisting of three generators and nine buses. At first, a
load flow analysis is conducted in order to determine the prefault
conditions. Secondly, fault analysis is performed to analyze
post fault conditions like the fast fault clearing time and load
switching in order to determine the system stability. For transient
stability analysis, Euler and Runga methods are compared and
applied on the frequency and rotor angle of the system to analyze
the system variations under different fault conditions. The
simulations were done on the Power World Simulator (PWS)
software. It is concluded that Critical Fault Clearing Time
(CFCT) is a very important factor in keeping the power system
within the stability bounds. A slight increase in Clearing Time
(CT) from the critical value causes un-synchronism
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