Single-Chip Microcomputer Control Of The PWM Inverter

Masayuki Morimoto; Shinji Sato; Kiyotaka Sumito; Katsumi Oshitani

doi:10.1117/12.942981

19 October 1987 Single-Chip Microcomputer Control Of The PWM Inverter

Masayuki Morimoto, Shinji Sato, Kiyotaka Sumito, Katsumi Oshitani

Proceedings Volume 0854, IECON '87: Motor Control and Power Electronics; (1987) https://doi.org/10.1117/12.942981
Event: IECON, Cambridge, 1987, Cambridge, MA, United States

Abstract

A single-chip microcomputer-based con-troller for a pulsewidth modulated 1.7 KVA inverter of an airconditioner is presented. The PWM pattern generation and the system control of the airconditioner are achieved by software of the 8-bit single-chip micro-computer. The single-chip microcomputer has the disadvantages of low processing speed and small memory capacity which can be overcome by the magnetic flux control method. The PWM pattern is generated every 90 psec. The memory capacity of the PWM look-up table is less than 2 kbytes. The simple and reliable control is realized by the software-based implementation.

Citation Download Citation

Masayuki Morimoto, Shinji Sato, Kiyotaka Sumito, and Katsumi Oshitani "Single-Chip Microcomputer Control Of The PWM Inverter", Proc. SPIE 0854, IECON '87: Motor Control and Power Electronics, (19 October 1987); https://doi.org/10.1117/12.942981

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