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P. Kundur. Power system stability and control, McGraw-Hill, 1st Ed.

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Evaluation of the Voltage Stability of a Radial Distribution System having V2G Facilities

1Department of Industrial & Electrical Engineering Technology of South Carolina State University, U.S.A.

2Electrical and Computer engineering, Tennessee Technological University, Cookeville, TN, U.S.A.


International Transaction of Electrical and Computer Engineers System. 2014, Vol. 2 No. 3, 98-106
DOI: 10.12691/iteces-2-3-4
Copyright © 2014 Science and Education Publishing

Cite this paper:
Uwakwe C. Chukwu, Satish M. Mahajan. Evaluation of the Voltage Stability of a Radial Distribution System having V2G Facilities. International Transaction of Electrical and Computer Engineers System. 2014; 2(3):98-106. doi: 10.12691/iteces-2-3-4.

Correspondence to: Uwakwe  C. Chukwu, Department of Industrial & Electrical Engineering Technology of South Carolina State University, U.S.A.. Email: uchukwu@scsu.edu

Abstract

The penetration of V2G into the distribution system is expected to impact the way power systems are being operated. Voltage instability in the distribution system is a growing problem, and is associated with rapid voltage drops due to heavy load demand that may occur during uncoordinated and simultaneous charging of V2G units during peak hours of a typical day. This is a pressing issue since the next generation electric distribution system may exhibit a high level of volatility due to V2G penetration. In this paper, the impact of V2G parking lots on voltage stability of a radial distribution network is investigated. IEEE 13 Node test feeder network was modeled in the RDAP. Load flow results were applied to the voltage stability index. Results show that for a given penetration level, 3-phase and system-wide V2G integration results in an improved voltage stability than a 1-phase V2G integration. Results also indicate that using V2G parking lots to inject reactive power will have an improved impact on the voltage stability of the system than injecting a real power into the system. These results could be useful for real-time applications as well as for power system operators and planners dealing with an increasing influx of V2Gs in the distribution system.

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