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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.7
- 수록면
- 881 - 893 (13page)
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This paper proposes a practical sliding-mode controller design for shaping the impedances of cascaded boost-converter power decoupling circuits for reducing the second order harmonic ripple in photovoltaic (PV) current. The cascaded double-boost converter, when used as power decoupling circuit, has some advantages in terms of a high step-up voltage-ratio, a small number of switches and a better efficiency when compared to conventional topologies. From these features, it can be seen that this topology is suitable for residential (PV) rooftop systems. However, a robust controller design capable of rejecting double frequency inverter ripple from passing to the (PV) source is a challenge. The design constraints are related to the principle of the impedanceshaping technique to maximize the output impedance of the input-side boost converter, to block the double frequency PV current ripple component, and to prevent it from passing to the source without degrading the system dynamic responses. The design has a small recovery time in the presence of transients with a low overshoot or undershoot. Moreover, the proposed controller ensures that the ripple component swings freely within a voltage-gap between the (PV) and the DC-link voltages by the small capacitance of the auxiliary DC-link for electrolytic-capacitor elimination. The second boost controls the main DC-link voltage tightly within a satisfactory ripple range. The inverter controller performs maximum power point tracking (MPPT) for the input voltage source using ripple correlation control (RCC). The robustness of the proposed control was verified by arying system parameters under different load conditions. Finally, the proposed controller was verified by simulation and experimental results.
목차
Abstract
I. INTRODUCTION
II. PROPOSED SLIDING MODE CONTROLLER
III. SMC STABILITY ANALYSES
IV. SLIDING SURFACE PARAMETER DESIGN
V. IMPEDANCE SHAPING AND ROBUSTNESS ANALYSES
VII. EXPERIMENTAL VERIFICATION
VIII. CONCLUSION
REFERENCES
참고문헌 (39)
참고문헌 신청
H. Patel and V. Agarwal, “A single-stage single-phase transformer-less doubly grounded grid-connected PV interface,” IEEE Trans. Energy Convers., Vol. 24, No. 1, pp. 93-101, Mar. 2009.
T. V. Thang, A. Ahmed, C.-I. Kim, and J.-H. Park, “Flexible system architecture of stand-alone PV power generation with energy storage device,” IEEE Trans. Energy Convers., Vol. 30, No. 4, pp. 1386-1396, Dec. 2015.
National Electrical Code NEC 2008. Quincy, MA, USA: Nat. Fire Protection Assoc., 2007.
A. Ahmed, L. Ran, S. Moon, and J.-H Park, “A fast PV power tracking control algorithm with reduced power mode,” IEEE Trans. Energy Convers., Vol. 28, No. 3, pp. 565-575, Sep. 2013.
N. R. Tummuru, M. K. Mishra, and S. Srinivas, “Dynamic energy management of hybrid energy storage system with high-gain PV converter,” IEEE Trans. Energy Convers., Vol. 30, No. 1, pp. 150-160, Mar. 2015.
T. V. Thang, A. Ahmed, C.-I. Kim, and J.-H. Park, “Flexible system architecture of stand-alone PV power generation with energy storage device,” IEEE Trans. Energy Convers., Vol. 30, No. 4, pp. 1386-1396, Dec. 2015.
National Electrical Code NEC 2008. Quincy, MA, USA: Nat. Fire Protection Assoc., 2007.
A. Ahmed, L. Ran, S. Moon, and J.-H Park, “A fast PV power tracking control algorithm with reduced power mode,” IEEE Trans. Energy Convers., Vol. 28, No. 3, pp. 565-575, Sep. 2013.
N. R. Tummuru, M. K. Mishra, and S. Srinivas, “Dynamic energy management of hybrid energy storage system with high-gain PV converter,” IEEE Trans. Energy Convers., Vol. 30, No. 1, pp. 150-160, Mar. 2015.
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UCI(KEPA) : I410-ECN-0101-2019-560-000866995