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Title:
POWER CONVERSION APPARATUS FOR ROLLING STOCK
Document Type and Number:
Japanese Patent JP2010284049
Kind Code:
A
Abstract:

To improve maintainability and reduce weight by improving the environmental condition around the gate control circuit of a power conversion apparatus for a rolling stock.

In the power conversion apparatus, a power conversion unit 6 including semiconductor elements constituting the three-phase inverter 3 of a power conversion circuit, a plurality of gate control circuits 7 which supply gate signals to the semiconductor elements, and a filter capacitor connected between the DC terminals P and N of the power conversion circuit is contained in a common housing 20, the filter capacitor is integrated with a semiconductor cooling unit, and the plurality of gate control circuits 7 are arranged on the lower surface of the filter capacitor.


Inventors:
YAMAGUCHI TOMOJI
HISHIDA AKIHIRO
TANAKA KEN
KONO YASUHIKO
NAKADA KIYOSHI
Application Number:
JP2009136808A
Publication Date:
December 16, 2010
Filing Date:
June 08, 2009
Export Citation:
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Assignee:
HITACHI LTD
International Classes:
H02M7/48; B60L9/18; H02M7/5387
Domestic Patent References:
JP2003235112A2003-08-22
JPH05260763A1993-10-08
JP2003023778A2003-01-24
JP2001061282A2001-03-06
JP2006254656A2006-09-21
JP2001086732A2001-03-30
JP2004214186A2004-07-29
Attorney, Agent or Firm:
Manabu Inoue
Yuji Toda