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| Study on Chaotic Control of SPWM Inverter and Its Optimization |
| Naihong Hu, Yufei Zhou, Junning Chen |
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Abstract H bridge inverter is a basic topology in power electronic circuits.
But it is tendentious to generate fast-scale instability phenomena
due to the variation of some parameters in the working process of
the circuit. Slope compensation is a simple and effective method to
improve the circuit stability. In actual engineering design,
experience plays the leading role and it lacks necessary design
criteria. So this paper gives analyses for applying the slope
compensation on an H bridge inverter under peak current mode
control. Subsequently the demanded slope or amplitude of the
compensated slope signal are concluded and optimized for assuring
the stable operation of the circuit. The results of the analysis and
numerous simulation experiments are consistent. The relative method
is also applicable for the stability analysis and design of other
power electronic circuits.
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