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Patent Searching and Data


Title:
CONTROL DEVICE, ELECTRIC COMPRESSOR, AND CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2020/184598
Kind Code:
A1
Abstract:
An embodiment of the present invention provides a control device comprising: an electric detection unit which detects an electric physical quantity relating to a head capacitor provided between a DC power supply and an inverter switching element; and a protection control unit which controls the inverter switching element in accordance with a change in the electric physical quantity so that no electric current flows to the head capacitor.

Inventors:
WATANABE KYOHEI (JP)
TAKASHIGE TAKAYUKI (JP)
Application Number:
PCT/JP2020/010436
Publication Date:
September 17, 2020
Filing Date:
March 11, 2020
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND THERMAL SYSTEMS LTD (JP)
International Classes:
H02P27/06; F04B49/06
Foreign References:
JP2014100043A2014-05-29
JP2015226433A2015-12-14
JP2018107873A2018-07-05
JPH0731001A1995-01-31
JP2015216781A2015-12-03
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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