Abstract:A Z-80 microprocessor-based control for a three-phase PWM inverter employing thyristors is discussed. This PWM inverter combines the advan tages of hardware modules and software algorithms to improve the flexibility and accuracy of the operation. A floating point arithmetic unit developed in software forms a vital link of the software structure that calculates the PWM pulsewidths from the basic equation of a regular sampled PWM. During PWM waveform generation the inherent time delay involved in the execution o… Show more
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