Transient Stability Analysis of a Line with Service Potential Transformer Substations: A Case study of Juja-Rabai Line

A system under bounded conditions continue to be stable even after being subjected to one or more bounded disturbances. In practice, oscillations of a machine rotors should be damped to acceptable level within six seconds following a major disturbance. A stable system may also face prolonged operati...

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Bibliographic Details
Main Authors: Mwithui Kitheka, Joel, Musau Moses, Peter, Mutunga Nyete, Abraham, Abungu, Nicodemus O.
Format: Conference Proceeding
Language:English
Subjects:
High-voltage techniques
Power system stability
Power transmission lines
PowerWorld simulator
Rotors
Service Potential transformer Sub-station
Stability analysis
Substations
transient stability
transmission line
Voltage transformers
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Summary:A system under bounded conditions continue to be stable even after being subjected to one or more bounded disturbances. In practice, oscillations of a machine rotors should be damped to acceptable level within six seconds following a major disturbance. A stable system may also face prolonged operational oscillations before decaying to zero. Transient stability refers to the ability of a system to experience a sudden change in generation, load or system characteristics without prolonged loss of synchronism. Modern systems are large, highly interconnected and extremely under stressed conditions. This creates a potential stability threat to power systems. Installation of service potential substations in transmission lines to address power shortage in rural areas makes the system even more complex. These systems should be analyzed further to investigate possibilities of instability problems.
ISSN:2153-0033
DOI:10.1109/AFRICON55910.2023.10293661