Title:
POWER SUPPLY CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2018/151110
Kind Code:
A1
Abstract:
The purpose of the power supply circuit according to the present invention is to prevent overvoltage to a switching element connected in series with a power source, while ensuring the versatility of a power source module. A power supply circuit (1) is provided with a plurality of serially connected power source modules (12), and supplies power to a load (20) provided in a vehicle (30). The plurality of power source modules (12) each include a power source (121) and a switching element (122). The power supply circuit (1) is provided with a plurality of diodes (14) that are connected in parallel with the respective power source modules (12) on one-to-one basis. Each of the diodes (14) permits a flow of electric current from a first connection point (132) for connecting the diode (14) and a negative electrode of the power source (121) to each other, to a second connection point (131) for connecting the diode (14) and a positive electrode of the power source (121) to each other, but do not permit a flow of electric current from the second connection point (131) to the first connection point (132).
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Inventors:
KONDO MITSUO (JP)
Application Number:
PCT/JP2018/004933
Publication Date:
August 23, 2018
Filing Date:
February 13, 2018
Export Citation:
Assignee:
YAMAHA MOTOR CO LTD (JP)
International Classes:
H02J7/00; B60L11/18; H02J1/00
Foreign References:
| JP2008161029A | 2008-07-10 | |||
| JP2015091200A | 2015-05-11 |
Attorney, Agent or Firm:
KAJI, SUHARA & ASSOCIATES (JP)
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