Abstract
The design of a fully digital EPROM based and microcomputer controlled modulator for a pulse width modulated (PWM) inverter supplying a three phase induction motor is presented. It has a high frequency resolution and changes in the frequency and voltage commands are transient free. Smooth speed variations are achieved in the whole range. The laboratory hardware implementation and specifications of the modulator are given. An original dead time generator circuit is presented. Some experimental results are also included in the paper.
Keywords
Pulse-width modulation
Microcomputer
Inverter
Computer science
Electronic engineering
Voltage
Pulse generator
Electrical engineering
Transient (computer programming)
Generator (circuit theory)
Engineering
Physics
Power (physics)
Subject Areas
Multilevel Inverters and Converters
·Electrical and Electronic Engineering ·Physical Sciences
Advanced DC-DC Converters
·Electrical and Electronic Engineering ·Physical Sciences
Induction Heating and Inverter Technology
·Mechanical Engineering ·Physical Sciences
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