Title:
POWER SUPPLY DEVICE, LIGHTING EQUIPMENT, AND METHOD FOR MANUFACTURING POWER SUPPLY DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/101081
Kind Code:
A1
Abstract:
The present invention comprises a surge protection circuit and a power supply circuit connected to the surge protection circuit. The surge protection circuit has: an input connection part that has a first connection part and a second connection part; a first varistor and a second varistor linked in series so as to connect the first connection part and the second connection part; and a lightning protection element that connects the connecting point of the first and second varistors and a connection part for grounding. The capacitance of the first varistor and the second varistor is any value from 1.6 times the nominal capacitance of the first varistor and the second varistor to 0.4 times the nominal capacitance.
Inventors:
MAEDA TAKASHI (JP)
FUNAYAMA SHINSUKE (JP)
OHTSU TEIJI (JP)
FUNAYAMA SHINSUKE (JP)
OHTSU TEIJI (JP)
Application Number:
PCT/JP2017/041427
Publication Date:
June 07, 2018
Filing Date:
November 17, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
MITSUBISHI ELECTRIC LIGHTING CORP (JP)
MITSUBISHI ELECTRIC LIGHTING CORP (JP)
International Classes:
H02M1/00; H05B37/02; H05B44/00
Foreign References:
| JPH05308721A | 1993-11-19 | |||
| JP2008206263A | 2008-09-04 | |||
| JPH0330733U | 1991-03-26 | |||
| JP2009232629A | 2009-10-08 | |||
| JP2013211119A | 2013-10-10 |
Attorney, Agent or Firm:
TAKADA, Mamoru et al. (JP)
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