Patent
Controller for instantaneous output current and/or voltage of 3-phase converter
TLDR
In this article, a control circuit for a 3-phase converter with an output filter provided with a current minor loop which controls an instantaneous value of output current on the basis of a feedback signal obtained by converting the output current of the converter to d axis and q axis components by a synchronous revolutional coordinate system and a voltage major loop that controls the instantaneous value for the output voltage.Abstract:
A control circuit for a 3-phase converter which is provided to control the 3-phase converter having an output filter provided with a current minor loop which controls an instantaneous value of the output current on the basis of a feedback signal obtained by converting the output current of the converter to d axis and q axis components by a synchronous revolutional coordinate system and a voltage major loop which controls the instantaneous value of the output voltage on the basis of a feedback signal obtained by converting the output voltage of the output filter to the d axis and q axis components; and realizes protection from overcurrent due to short-circuit of output.read more
Citations
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Patent
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References
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Patent
Three-phase inverter arrangement
TL;DR: In this article, an inverter arrangement for generating a three-phase AC output voltage is provided with three pulse-controlled, free-running single-phase inverters, connected at their inputs to a DC voltage source, and at their outputs to respective low-pass filters.
Proceedings Article
Inverter Output Voltage Waveform Closed-Loop Control Technique
Y. Sekino,M. Shibata,H. Hotaka +2 more
TL;DR: In this article, a closed-loop control technique was applied to the voltage waveform shaping to improve the inverter output dynamic characteristics, and the transient voltage variation and waveform distortion were lowered.
Patent
AC motor speed control apparatus
TL;DR: In this article, a speed control apparatus for an AC motor which vector-controls a drive current of the AC motor such as an induction motor, synchronous motor and AC commutator motor with a feedback current control loop providing an inverter utilizing a semiconductor element for power amplification such as power transistor and compensating for non-linear current characteristic of the drive current generated by dead time resulting from ignition delay of a SINR element with a current compensation control element provided within the current control loops.