| This paper analysed the basic theory of SPWM in details,and introduces two PWM control method of single voltage and two voltage, analysed the wave of inverter,analysed harmonic of inverter,discussed the way of eliminating,we discussed the effect of dead-time on output waveform, introduced the scheme of inverter in electric power,Based on 80C196MC, designed control circuit, switch mode power system, drive circuit reliably,all kinds of perfect safeguard and anti-jamming were designed and tested ,improved control performance of system by PI with forfeed adjust, developed a high-quality and high-performance Inverter。... |
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