INVERTER APPARATUS
AN INVERTER APPARATUS INCLUDING A DC/AC CONVERTING DEVICE (4) WHICH INCLUDES A PLURALITY OF SWITCHING ELEMENTS AND CONVERTS A DC VOLTAGE IN A PSEUDO AC VOLTAGE BY CLOSING AND OPENING THE SWITCHING ELEMENTS SO AD TO OUTPUT THE PSEUDO AC VOLTAGE TO A THREE-PHASE BRUSHLESS DC MOTOR, A VOLTAGE DETECTING...
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| creator | KENICHIRO MIURA MITSUHIDE HIGASHI TAKASHI FUKUE CHISUMI FUNABA(CHISUMI MATSUO) |
| description | AN INVERTER APPARATUS INCLUDING A DC/AC CONVERTING DEVICE (4) WHICH INCLUDES A PLURALITY OF SWITCHING ELEMENTS AND CONVERTS A DC VOLTAGE IN A PSEUDO AC VOLTAGE BY CLOSING AND OPENING THE SWITCHING ELEMENTS SO AD TO OUTPUT THE PSEUDO AC VOLTAGE TO A THREE-PHASE BRUSHLESS DC MOTOR, A VOLTAGE DETECTING DEVICE (1) FOR DETECTING AN INDUCED VOLTAGE IN A DURATION WHEN AN ARMATURE CURRENT OF THE THREE-PHASE BRUSHLESS DC MOTOR ASSUMES ZERO BY LOWERING THE PSEUDO AC VOLTAGE, A PULSE WIDTH MODULATION (PWM) CONTROL DEVICE (3) FOR PERFORMING PWM CONTROL OF THE PSEUDO AC VOLTAGE OUPUTTED BY THE DC/AC CONVERTING DEVICE (4) AND A CURRENT WAVEFORM COMPENSATING DEVICE (2) WHICH SHAPES ON THE BASIS OF A PREDETERMINED CONDITION AN ARMATURE CURRENT WAVEFORM SUPPLIED TO THE THREE-PHASE BRUSHLESS DC MOTOR IN ACCORDANCE WITH INDUCED VOLTAGE DETECTION INFORMATION OF THE VOLTAGE DETECTING DEVICE (1) AND OUTPUT INFORMATION ON THE WAVEFORM SHAPING TO THE PWM CONTROL DEVICE.(FIG 1) |
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| language | eng |
| recordid | cdi_epo_espacenet_MY132035A |
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| subjects | BLASTING CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS WEAPONS |
| title | INVERTER APPARATUS |
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