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ENHANCING LOADABILITY OF TRANSMISSION LINES USING SERIES COMPENSATION (FACTS) DEVICE IN NIGERIA NETWORK

Ameh B V Ezechukwu A O

Subject area: Science,Engineering and Technology  ·  Area of research: Electrical Engineering

Abstract

This work studied the presence of reactive component of power in the transmission line which enhances congestion of the transmission line leaving little room for active power flow. The Nigerian Bus system operated at 330kV with 41 buses was used to evaluate voltage drop index for load buses as active power varied at constant reactive power values. The study is to improve the nodal voltage profile of the electric networks and improve the real power transfer capacity (loadability) of congested power system transmission lines at stable voltages using FACTS devices ( SVC and TCSC). And to achieve this, load flow analysis was carried out at various load varying cases for the Nigerian bus grid system operated at 330kV using NEPLAN simulator. With power varied from a base case through five steps of 10% increment from the previous, the result of the total voltage drop index ranked Yola, as can be seen in descending order as the optimal locations for series compensation. Aided with this ranking, load flow analyses were executed for the individual and simultaneous series compensation at these buses. Each of the compensated cases when compared with the base case bus load flow tabular and bar chart results showed significant improvement due to the compensation.

Keywords

FACTS, TCSC, SVC, LOADABILITY

References

[1] Bakshi, U.A., & Bakshi, M.V. (2009).Transmission and Distribution.(4th ed.).Pune, India. Technical Publication Pune.

[2] Essays, UK. (2013). Transfer Capability Enhancement and Congestion Retrieved from http://www.ukessays.com/essays/e ngineering/transfer-capability-enhancement- and-congestion-engineering- essay.php?cref=1

[3] Glanzmann, G., & Andersson, G. (2005).Using FACTS devices to resolve Congestions in Transmission Grids. Zurich, Switzerland.

[4] Institute of Electrical and Electronics Engineers (IEEE) & Conference Internationale des Grands Reseaux Electriques (CIGRE).(2003, 2004).Task Force on Power System Stability.Author.

[5] Kothari, D.P., & Nagrath, I.J. (2003).Modern Power System Analysis (3rd ed.). New Delhi. Tata McGraw Hill Education Private Limited.

[6] Larsson, M., Rehtanz, C., and Westermann, D.(2004). Improvement of cross-border trading capacities through wide-area control of FACTS.Proceedings of the Bulk Power System Dynamics and Control VI. Cortina D’Ampezzo, Italy.

[7] Li, F., Li, B., & Zheng, X. (2001). Coordination of Power flow control in large Power System. IEEE Power Systems Transactions, Vol. 16 issue 4. Pg.776-781.

[8] Liangzhong, Y., Phill, C., Laurent S, and Xiao-Ping Z. (2005).Congestion management of Transmission Systems Using FACTS. Paper presented at the IEEE/PES Transmission and Distribution Conference & Exhibition, Asia and Pacific, Dalian, China.Retrieved from http:// www.ieeexplore.ieee.org/xpls/abs_all.jsp?ar numb er=1547213

[9] Shmuel, S. O. (1998). Transmission Pricing and Congestion Management: Efficiency, Simplicity and Open Access. University of California, Berkeley USA.

[10] Singh, S.N. (2011). Electric Power Generation, Transmission and Distribution. Prentice Hall of India Private Limited, New Delhi, India.

[11] Wadhwa, C.L. (2013). Electrical Power Systems (6th ed.). Daryaganj, New Delhi: New Age International Publishers. APPENDIX Fig. 3: One-Line Diagram of the Nigerian 330kV Test Network with 41 bus Table 1: Load Bus Real Power Values for Load flow Analysis Table 2: Computation of VDI from bus voltage magnitude for increasing load real power Table 3: Load Bus VDI in descending Order Table 4: List of Generation Stations Table 5: List of Bus bars

How to cite this paper

Ameh B V, Ezechukwu A O "ENHANCING LOADABILITY OF TRANSMISSION LINES USING SERIES COMPENSATION (FACTS) DEVICE IN NIGERIA NETWORK" Iconic Research And Engineering Journals Volume 2 Issue 3 2018 Page 12-22
Ameh B V, Ezechukwu A O "ENHANCING LOADABILITY OF TRANSMISSION LINES USING SERIES COMPENSATION (FACTS) DEVICE IN NIGERIA NETWORK" Iconic Research And Engineering Journals, vol. 2, no. 3, Sep. 2018
Ameh B V, Ezechukwu A O (2018). ENHANCING LOADABILITY OF TRANSMISSION LINES USING SERIES COMPENSATION (FACTS) DEVICE IN NIGERIA NETWORK. Iconic Research And Engineering Journals, 2(3).
Ameh B V, Ezechukwu A O "ENHANCING LOADABILITY OF TRANSMISSION LINES USING SERIES COMPENSATION (FACTS) DEVICE IN NIGERIA NETWORK" Iconic Research And Engineering Journals, vol. 2, no. 3, Sep. 2018.
@article{1700742,
      author = {Ameh B V, Ezechukwu A O},
      title = {ENHANCING LOADABILITY OF TRANSMISSION LINES USING SERIES COMPENSATION (FACTS) DEVICE IN NIGERIA NETWORK},
      journal = {Iconic Research And Engineering Journals},
      year = {2018},
      volume = {2},
      number = {3},
      pages = {12-22},
      issn = {2456-8880},
      url = {https://www.irejournals.com/formatedpaper/1700742.pdf},
      abstract = {This work studied the presence of reactive component of power in the transmission line which enhances congestion of the transmission line leaving little room for active power flow. The Nigerian Bus system operated at 330kV with 41 buses was used to evaluate voltage drop index for load buses as active power varied at constant reactive power values. The study is to improve the nodal voltage profile of the electric networks and improve the real power transfer capacity (loadability) of congested power system transmission lines at stable voltages using FACTS devices ( SVC and TCSC). And to achieve this, load flow analysis was carried out at various load varying cases for the Nigerian bus grid system operated at 330kV using NEPLAN simulator. With power varied from a base case through five steps of 10% increment from the previous, the result of the total voltage drop index ranked Yola, as can be seen in descending order as the optimal locations for series compensation. Aided with this ranking, load flow analyses were executed for the individual and simultaneous series compensation at these buses. Each of the compensated cases when compared with the base case bus load flow tabular and bar chart results showed significant improvement due to the compensation.},
      keywords = {FACTS, TCSC, SVC, LOADABILITY},
      month = {September},
  }