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논문 기본 정보

자료유형
학술저널
저자정보
Ju-Chul Kim (Chuncheon Campus of Korea PolytechnicⅢ) SangJoong Lee (Seoul National University of Science and Technology)
저널정보
대한전기학회 전기학회논문지 전기학회논문지 제69권 제6호
발행연도
2020.6
수록면
821 - 828 (8page)
DOI
10.5370/KIEE.2020.69.6.821

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초록· 키워드

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The angle reference, the reference for the angles of all bus voltages in a power system, has been specified conventionally on the slack bus in power flow computation(e.g., θ₁=0), however, it can be specified on any bus in the system without affecting the power flow solution. In this paper, loss sensitivities, ∂P<SUB>loss</SUB>/∂P<SUB>G</SUB>, ∂P<SUB>loss</SUB>/∂Q<SUB>G</SUB>, Q<SUB>loss</SUB>/∂P<SUB>G</SUB> and ∂Q<SUB>loss</SUB>/∂Q<SUB>G</SUB>, of all generators including the slack bus are derived by specifying the angle reference on a load bus that has no generation using the nature of the Jacobian matrix which is re-constructed by transposition of the angle reference bus.
With these loss sensitivities, this paper shows the following four example applications to power system computation:
New calculation of penalty factors for classical ELD computation
Optimal P-Q generation for cost minimization
Optimal P generation for system loss minimization
Optimal P-Q generation for system loss minimization
Derived loss sensitivities and application algorithms are tested and verified on a sample system.

목차

Abstract
1. Introduction
2. Derivation of loss sensitivities by ART
3. New penalty factor calculation using loss sensitivities derived by ART
4. Calculation of optimal P-Q generation for cost minimization using loss sensitivities derived by ART
5. Calculation of optimal P generation for system loss minimization using P-loss sensitivities derived by ART
6. Calculation of optimal P-Q generation for minimizing system loss using P-Q loss sensitivities derived by ART
7. Conclusions
References

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