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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2023.5
- 수록면
- 786 - 791 (6page)
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초록· 키워드
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Interleaved technique has the advantages of boosting power, canceling current ripple and improving the dynamic response. This paper investigates the design and control of an interleaved three-level T-type inverter with LCL filter without active or passive damping. Through proper design considering digital control delay, the LCL resonance frequency can be placed in self-stabilizing region, such as 1/6 to 1/2 times the sampling frequency. In self-stabilizing region, no damping is required to stabilize the closed-loop grid current. The interleaving ripple cancelation of interleaved T-type inverter is analyzed in detail to develop proper design of LCL filter. It is found that interleaving is easy to realize very small filter capacitance value so that the resonance frequency is increased, which is able to control the inverter working at high control bandwidth without damping. The effectiveness and performance of the proposed design and control are validated by a two-phase interleaved T-type inverter prototype.
목차
Abstract
I. INTRODUCTION
II. INTERLEAVED T-TYPE INVERTER
III. DESIGN AND CONTROL WITHOUT DAMPING FOR INTERLEAVED T-TYPE INVERTER
IV. EXPERIMENTAL RESULTS
V. CONCLUSION
REFERENCES
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