SINGLE-PHASE VOLTAGE TYPE AC-DC CONVERSION DEVICE

SINGLE-PHASE VOLTAGE TYPE AC-DC CONVERSION DEVICE

PROBLEM TO BE SOLVED: To provide a single-phase voltage type AC-DC conversion device that enables such an autonomous parallel operation that an individual device autonomously controls an output deviation in the case that a plurality of devices are connected in parallel to perform a parallel operatio...

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Hauptverfasser: USHIKI SHUICHI, OSHIMA MASAAKI
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Sprache:eng
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APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS
CONTROL OR REGULATION THEREOF
CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
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creator USHIKI SHUICHI
OSHIMA MASAAKI
description PROBLEM TO BE SOLVED: To provide a single-phase voltage type AC-DC conversion device that enables such an autonomous parallel operation that an individual device autonomously controls an output deviation in the case that a plurality of devices are connected in parallel to perform a parallel operation by a single-phase AC.SOLUTION: A single-phase AC having a predetermined phase difference from a phase of a single-phase AC output voltage of an AC terminal is generated, and the generated single-phase AC and the single-phase AC output voltage of the AC terminal are utilized to perform PWM control of an inverter. That is, the single-phase AC output voltage of the AC terminal is used as a first axis corresponding to an α-axis component at the time when a three-phase AC is M-converted. The single-phase AC having the predetermined phase difference is used as a second axis corresponding to a -axis component at the time when the three-phase AC is M-converted. A single-phase voltage type AC-DC conversion device independently controls the first axis and the second axis to make the single-phase AC output voltage follow a frequency of a power system by utilizing a unique electric angle generated by a frequency control circuit.
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That is, the single-phase AC output voltage of the AC terminal is used as a first axis corresponding to an α-axis component at the time when a three-phase AC is M-converted. The single-phase AC having the predetermined phase difference is used as a second axis corresponding to a -axis component at the time when the three-phase AC is M-converted. 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subjects APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS
CONTROL OR REGULATION THEREOF
CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
title SINGLE-PHASE VOLTAGE TYPE AC-DC CONVERSION DEVICE
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