Journal article Open Access

L-Index Based Weak Area Identification of IEEE 118 Bus System using Dynamic Simulation in PSS®E

Kamaljyoti Gogoi; Saibal Chatterjee


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    "description": "<p>Voltage stability is a relevant part of power system stability analysis ever since many voltage collapse incidences have occurred at different regions of the world. In this paper we take up IEEE 118 bus system as it represents a close approximation of standard Grid system. This IEEE 118-bus system has fixed number of predefined generators, synchronous condensers, transmission lines, transformers and loads. In this work IEEE 118 bus system is simulated and load flow simulation is computed using the software PSS&reg;E. The weak buses of the IEEE standard 118 bus network are predicted with the help of L-Index Algorithm in MATLAB. Further dynamic simulation is also performed in the weak buses obtained from L-Index as it opens up scope of more detail analysis of the system. An initial transient disturbance is then introduced in the weak buses and then the resultant maximum frequency deviation and the recovery time of the voltage is computed which finally helps to detect the weak areas in the transmission network. Further Critical Clearing time of the weakest bus is also computed.</p>", 
    "contributors": [
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        "name": "Blue Eyes Intelligence Engineering  & Sciences Publication(BEIESP)"
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    "title": "L-Index Based Weak Area Identification of  IEEE 118 Bus System using Dynamic  Simulation in PSS\u00aeE", 
    "license": {
      "id": "CC-BY-4.0"
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    "journal": {
      "volume": "9", 
      "issue": "2", 
      "pages": "613-617", 
      "title": "International Journal of Engineering and Advanced Technology (IJEAT)"
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    "language": "eng", 
    "keywords": [
      "Dynamic Simulation, L-Index, Load flow studies, PSS\u00aeE, Power system modelling."
    ], 
    "publication_date": "2019-12-30", 
    "creators": [
      {
        "affiliation": "Department of Electrical Engineering, Nerist, Nirjuli (Arunachal Pradesh) India.", 
        "name": "Kamaljyoti Gogoi"
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        "affiliation": "Department of Electrical Engineering, Nerist, Nirjuli (Arunachal Pradesh) India.", 
        "name": "Saibal Chatterjee"
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