Power Conversion Device, Power Conversion Method and Non-Transitory Computer Readable Recording Medium
AssigneeDiamond&Zebra Electric Mfg. Co., Ltd.
InventorKeisuke Kishimoto
Life of this patent
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Abstract
A power conversion device comprises: a voltage conversion circuit having a switching element; a control circuit performing switching control of the voltage conversion circuit; and a current detection circuit detecting current output from the voltage conversion circuit, and the control circuit calculates an average value of current output from the voltage conversion circuit based on a first current value detected in a first switching state where output of current increases, a second current value detected in a second switching state where output of current decreases and a modulation ratio related to switching control of voltage conversion, and controls operation of the voltage conversion circuit based on a calculated average value.
Claims6
A power conversion device comprising:
- a voltage conversion circuit having a switching element;
- a control circuit performing switching control of the voltage conversion circuit;
- and
- a current detection circuit detecting current output from the voltage conversion circuit,
- wherein
- the control circuit
- calculates an average value of current output from the voltage conversion circuit based on a first current value detected in a first switching state where output of current increases, a second current value detected in a second switching state where output of current decreases and a modulation ratio related to switching control of voltage conversion, and
- controls operation of the voltage conversion circuit based on a calculated average value.
A power conversion method using a voltage conversion circuit having a switching element, comprising:
- performing switching control of the voltage conversion circuit;
- detecting current output from the voltage conversion circuit;
- calculating an average value of current output from the voltage conversion circuit based on a first current value detected in a first switching state where output of current increases, a second current value detected in a second switching state where output of current decreases and a modulation ratio related to switching control of voltage conversion;
- and
- controlling operation of the voltage conversion circuit based on a calculated average value.
A non-transitory computer readable recording medium storing a computer program causing a computer to execute processing related to power conversion using a voltage conversion circuit having a switching element of:
- performing switching control of the voltage conversion circuit;
- detecting current output from the voltage conversion circuit;
- calculating an average value of current output from the voltage conversion circuit based on a first current value detected in a first switching state where output of current increases, a second current value detected in a second switching state where output of current decreases and a modulation ratio related to switching control of voltage conversion;
- and
- controlling operation of the voltage conversion circuit based on a calculated average value.
Dependencies are inferred from the claim text.