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논문 기본 정보

자료유형
학술대회자료
저자정보
저널정보
전력전자학회 ICPE(ISPE)논문집 1998년 ICPE논문집
발행연도
1998.10
수록면
724 - 729 (6page)

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In general, a singte-phase current-fed PWM inverter using IGBTs has some unique advantages for small scale distributed utility-interactive power supply system as compared with voltage-fed PWM inverter. In particular, this is more suitable and acceptable for a non-isolated type utility-interactive power conditioner, which is going to be widely used for residential solar photovoltaic (PV) power generation system in Japan However, this current-fed PWM inverter has a significant disadvantage. The output current of this inverter includes large harmonic contents when the inductance of smoothing reactor in its DC side is not large enough to eliminate its current ripple components of this inverter In order to overcome this problem, a new conceptual pulse area modulation scheme for this inverter is introduced in difference with conventional PWM strategy. This paper presents a new effective control implementation of this PV power conditioner which is able to reduce the harmonic component in the output current produced by the single-phase current-fed PWM inverter even when the npple current in the smoothing DC reactor is relatively large. The operating principle of the proposed control strategy introdued for this inverter system is described, and its simulation results are evaluated and discussed herein.

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ABSTRACT

1.INTRODUCTION

2.INTERACTIVE INVERTER TOPOLOGIES FOR SOLAR POWER CONDITIONER

3.CONTROL STRATEGIES FOR CURRENT-FED INVERTER

4.CONVENTIONAL CONTROL STRATEGY

5.PULSE AREA MODULATION

6.CONCLUSIONS

7.REFERENCES

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