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Title:
ROGOWSKI COIL AND CURRENT MEASURING DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2019/167189
Kind Code:
A1
Abstract:
Provided is a Rogowski coil comprising: a coil in which a conductive wire is wound in a solenoid shape; a return wire that passes through the coil from the tip end of the coil which is one end thereof to the output end of the coil which is the other end thereof; and an impedance matching circuit that is connected between the tip end of the coil and the return wire, and that has an impedance which is matched to the characteristic impedance of the coil.

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Inventors:
DEGAWA SAKAE (JP)
ICHINOSE TAKAHITO (JP)
Application Number:
PCT/JP2018/007623
Publication Date:
September 06, 2019
Filing Date:
February 28, 2018
Export Citation:
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Assignee:
IWATSU ELECTRIC CO LTD (JP)
International Classes:
G01R19/00; G01R15/18
Domestic Patent References:
WO2003073118A12003-09-04
Foreign References:
JP2014089079A2014-05-15
EP1073908A12001-02-07
JP2017504022A2017-02-02
JP2005109398A2005-04-21
EP1073908A12001-02-07
JP2014089079A2014-05-15
Other References:
See also references of EP 3761042A4
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
Download PDF:
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