Voltage profile improvement of Nigeria 330kV Power System using STATCOM Device

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@article{1702782,
      author = {Engr M.O Edeh, Dr O. A Ezechukwu, F. O Enemouh},
      title = {Voltage profile improvement of Nigeria 330kV Power System using STATCOM Device},
      journal = {Iconic Research And Engineering Journals},
      year = {2021},
      volume = {4},
      number = {12},
      pages = {110-126},
      issn = {2456-8880},
      url = {https://www.irejournals.com/formatedpaper/17027821.pdf},
      abstract = {The demand for electricity is continuously increasing due to the significant increase in the growing population, urbanization of regions and industrialization in developing countries, hereby making delivering of power at maximum efficiency a top priority. Losses in the system has continued to increase thereby limiting the amount of power delivered to end users. For in instance, the Nigeria electricity grid has a large proportion of transmission and distribution losses and these amounts to a whopping 40%. This study was intended to evaluate possible solutions to problems in the transmission line and instability of power systems. This study was guided by the following objectives: Improve voltage profile at the buses thereby minimizing of technical losses in transmission line Collect network and line parameters data for Nigeria 330kV transmission Network. To Carry out load-flow analysis on the existing Nigerian 330kV transmission grid system to investigate the current operation of the system and also to determine if voltage, frequency and power factor are within the specified limits and to Develop a model and algorithm and carry out simulation of the developed model for technical losses and come up with recommendations to minimize losses with respect to specific improvement to the existing system. The study majorly focused on ways to achieve power system stability by employing FACT devices (STATCOM) on the transmission lines through voltage compensation. Newton Raphson load flow method was used for AC load flow analysis to help calculate the accurately the power flow from one bus to the other and determine the losses at the lines. Some tools were made use of to accurately validate the results gotten by the use of PSAT software validated with MATLAB Simulink software. It was discovered after the analysis that the buses where the STATCOM device were installed experienced improvement in the voltage profile, ensuring stability, reliability and more controllability of the system. In this thesis STATCOM has overcome the challenges of power loss along the transmission lines and has inadvertently helped In the total conservation of energy in the power sector. },
      month = {June},
  }