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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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Voltage sags are one of the most frequently occurring power quality problems challenging the power systems today. The Unified Power Quality Conditioner (UPQC) is one of the major custom power solutions that are capable of mitigating the effect of supply voltage sags at the load or Point of Common Coupling (PCC). A UPQC-Q employs a control method in which the series compensator injects a voltage that leads the supply current by 90. so that the series compensator at steady state consumes no active power. However, the UPQC-Q has the disadvantage that its series compensator needs to be overrated. Thus it cannot offers effective compensation. This paper proposes a new control scheme for the
UPQC-Q that offers minimum power injection. The proposed minimum power injection method takes into consideration the limits on the rated voltage capacity of the series compensator and its control scheme. The validity of the proposed control scheme is investigated through simulation and experimental results.
UPQC-Q that offers minimum power injection. The proposed minimum power injection method takes into consideration the limits on the rated voltage capacity of the series compensator and its control scheme. The validity of the proposed control scheme is investigated through simulation and experimental results.
목차
Abstract
Ⅰ. INTRODUCTION
Ⅱ. UPQC-Q
Ⅲ. THE PROPOSED METHOD
Ⅳ. SIMULATION AND EXPERIMENTAL RESULT
Ⅴ. CONCLUSION
REFERENCES
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UCI(KEPA) : I410-ECN-0101-2009-560-014560558