Power converter and coil apparatus
AssigneeMitsubishi Electric Corporation
InventorsKenji NISHIZAKA, Takashi KUMAGAI, Tomohito FUKUDA, Atsushi HOSOKAWA
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Abstract
A coil apparatus includes a coil unit including a coil, a base core that is a first core component, and a core module that is a second core component. The first core component includes a center leg that is a leg around which the coil is wound. The second core component includes a plurality of core segments arranged in a row with gaps between them. The second core component is connected to the leg to form a magnetic path together with the first core component.
Claims21
-27. (canceled)
A power converter comprising:
- a switching element;
- a cooler;
- and
- a coil apparatus installed in the cooler,
- the coil apparatus including:
- a coil;
- a first core component including a leg around which the coil is wound;
- a second core component that includes a plurality of first core segments arranged in a row with gaps between the first core segments, and is connected to the leg of the first core component to form a magnetic path together with the first core component;
- and
- a first case that holds the plurality of first core segments and includes side walls provided at both ends of the first core component in a direction along the magnetic path, wherein
- the cooler is thermally connected to the first core component.
The power converter according to 28, wherein the magnetic path includes at least one point at which adjacent core segments are in contact with each other.
A power converter comprising:
- a switching element;
- a cooler;
- and
- a coil apparatus installed in the cooler,
- the coil apparatus including:
- a coil;
- a first core component including a leg around which the coil is wound and a plurality of second core segments arranged with gaps between the second core segments;
- a second core component that includes a plurality of first core segments arranged in a row with gaps between the first core segments, and is connected to the leg of the first core component to form a magnetic path together with the first core component;
- and
- a second case to hold a core segment group including the plurality of second core segments constituting the first core component and the plurality of first core segments constituting the second core component, wherein
- the core segment group forms one or more closed magnetic paths.
A coil apparatus comprising:
- a coil;
- a first core component including a leg around which the coil is wound;
- and
- a second core component that includes a plurality of core segments arranged in a row with gaps between the core segments, and is connected to the leg of the first core component to form a magnetic path together with the first core component, wherein
- each of the plurality of core segments is fixed to a metal plate, and
- the metal plate includes ribs to position each of the plurality of core segments in a direction in which the plurality of core segments is arranged.
Dependencies are inferred from the claim text.