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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.11 No.2
- 발행연도
- 2016.3
- 수록면
- 329 - 337 (9page)
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초록· 키워드
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With the increasing deployment of distributed generators in the distribution system, a very large search space is required when dynamic programming (DP) is applied for the optimized dispatch schedules of voltage and reactive power controllers such as on-load tap changers, distributed generators, and shunt capacitors. This study proposes a new optimal voltage and reactive power scheduling method based on dynamic programming with a heuristic searching space reduction approach to reduce the computational burden. This algorithm is designed to determine optimum dispatch schedules based on power system day-ahead scheduling, with new control objectives that consider the reduction of active power losses and maintain the receiving power factor.
In this work, to reduce the computational burden, an advanced voltage sensitivity index (AVSI) is adopted to reduce the number of load-flow calculations by estimating bus voltages. Moreover, the accumulated switching operation number up to the current stage is applied prior to the load-flow calculation module. The computational burden can be greatly reduced by using dynamic programming. Case studies were conducted using the IEEE 30-bus test systems and the simulation results indicate that the proposed method is more effective in terms of saving electric charges and improving the voltage profile than loss minimization.
In this work, to reduce the computational burden, an advanced voltage sensitivity index (AVSI) is adopted to reduce the number of load-flow calculations by estimating bus voltages. Moreover, the accumulated switching operation number up to the current stage is applied prior to the load-flow calculation module. The computational burden can be greatly reduced by using dynamic programming. Case studies were conducted using the IEEE 30-bus test systems and the simulation results indicate that the proposed method is more effective in terms of saving electric charges and improving the voltage profile than loss minimization.
목차
Abstract
1. Introduction
2. Problem Formulation
3. Solution Algorithm
4. Case Study
5. Conclusion
References
참고문헌 (20)
참고문헌 신청
[학술지(정기간행물)] - K. R. C. Mamandur / 1981 / Optimal Control of Reactive Power Flow for Improvements in Voltage Profiles and for Real Power Loss Minimization / IEEE Trans. Power App. Syst. PAS-100 (7) : 3185 ~ 3194
[학술대회논문] - P. Ekel / 1994 / Automation of Reactive Power Compensation in Industrial Power Systems / Proc. of the Third IEEE Conf. on Control App.
[학술지(정기간행물)] - Z. Hu / 2003 / Volt /VAr control in distribution systems using a timeinterval based approach / IEE Proceedings-Generation, Transmission and Distribution 150 (5) : 548 ~ 554
[학술대회논문] - Mohd Zamri Che Wanik / 2010 / Intelligent Management of Distributed Generators Reactive Power for Loss Minimization and Voltage Control / IEEE MELECON
[학위논문] - J. O'Donnel / 2007 / Voltage management of networks with distributed generation / Ph.D. / Univ. of Edinburgh
[학술대회논문] - P. Ekel / 1994 / Automation of Reactive Power Compensation in Industrial Power Systems / Proc. of the Third IEEE Conf. on Control App.
[학술지(정기간행물)] - Z. Hu / 2003 / Volt /VAr control in distribution systems using a timeinterval based approach / IEE Proceedings-Generation, Transmission and Distribution 150 (5) : 548 ~ 554
[학술대회논문] - Mohd Zamri Che Wanik / 2010 / Intelligent Management of Distributed Generators Reactive Power for Loss Minimization and Voltage Control / IEEE MELECON
[학위논문] - J. O'Donnel / 2007 / Voltage management of networks with distributed generation / Ph.D. / Univ. of Edinburgh
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