Title:
GRID-CONNECTED INVERTER DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/212572
Kind Code:
A1
Abstract:
A grid-connected inverter device 3 is characterized by being provided with: a plurality of converter circuits 4a, 4b, 4c, 4d for receiving powers respectively output from a plurality of DC power supplies; an inverter circuit 5 for converting DC voltages output from the respective converter circuits 4a, 4b, 4c, 4d to AC voltages; a short-circuit failure detection unit for detecting short-circuit failures of diodes constituting the respective converter circuits 4a, 4b, 4c, 4d; and a gate pulse command generation unit for, when the short-circuit failure detection unit detects the short-circuit failures of the diodes, outputting a gate pulse command for controlling switching elements constituting the respective converter circuits 4a, 4b, 4c, 4d.
Inventors:
TAKEUCHI KAZUHIRA (JP)
KAMBE SATORU (JP)
NISHIO NAOKI (JP)
KAMBE SATORU (JP)
NISHIO NAOKI (JP)
Application Number:
PCT/JP2016/067055
Publication Date:
December 14, 2017
Filing Date:
June 08, 2016
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02M3/155; H02M7/48
Domestic Patent References:
| WO2010146688A1 | 2010-12-23 |
Foreign References:
| JP2016082751A | 2016-05-16 | |||
| JP2015100159A | 2015-05-28 |
Attorney, Agent or Firm:
TAKAMURA, Jun (JP)
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