Inverter
First Claim
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1. A system, comprising,an inverter;
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Abstract
An inverter that drives a motor and a noise filter are arranged on a surface of a motor housing, and the inverter and the noise filter are integrated with the motor housing. The noise filter reduces a common-mode current generated by a switching operation of the inverter to flow out to a side of a three-phase power supply through the motor housing.
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Citations
7 Claims
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1. A system, comprising,
an inverter; - and
a noise filter that reduces an amount of common-mode current, which is generated by a switching operation of the inverter, which flows out through a motor housing to a side of an alternating current power supply, wherein the inverter and the noise filter are formed on the motor housing, the motor housing is directly connected to ground without an impedance element between the motor housing and the ground, and a potential of the motor housing is equal to a ground potential, and the noise filter includes a capacitor in a current path between the motor housing and the inverter, one terminal of the capacitor is electrically connected to the motor housing, and another terminal of the capacitor is, in the noise filter, electrically connected to a path formed between an input terminal of the noise filter on the side of the alternating current power supply and an output terminal of the noise filter on a side of the inverter. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification