Controller for instantaneous output current and/or voltage of 3-

Details Controller for instantaneous output current and/or voltage of 3- Controller for instantaneous output current and/or voltage of 3-

1988-02-11

1989-04-18

Salce, Patrick R.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363 96, 363 98, H02M 768

Patent

active

048232513

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.

REFERENCES:
patent: 4367522 (1983-01-01), Forstbauer
patent: 4751447 (1988-06-01), Okachi
Y. Sekino et al., "Inverter Output Voltage Waveform Closed-Loop Control Technique", Oct. 18-21, 1983, pp. 205-212.
Japanese Institute of Electrical Engineering, "Decoupled Control of Instantaneous Reactive Power Compensation by PWM Power Converter", JIEE Technical Meeting of Semiconductor Power Converter, SPC-84-80, 1984, pp. 51-60.

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