Title:
ELECTRICAL POWER SUPPLY SYSTEM AND ELECTRICAL POWER SUPPLY SYSTEM CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2020/261946
Kind Code:
A1
Abstract:
This electrical power supply system is provided with a plurality of protective devices (30), and an external unit (20), wherein: each of the plurality of protective devices (30) includes a diode (34) connected in between an output terminal (51) and an output terminal (52) of a DC power supply unit (50), a switch (36) connected in parallel with the diode (34), and a controller (38) for controlling the switch (36); the external unit (20) includes a sensor (22) for obtaining electric parameters, a communication unit (28) for communicating with the plurality of protective devices (30), and a control unit (26) for determining, on the basis of the electric parameters, the states of the plurality of DC power supply units (50) and a DC power path (12); and the control unit (26), in the case of an abnormality, causes the communication unit (28) to sequentially transmit, to the respective protective devices (30), switching signals for giving an instruction of switching the respective switches (36), and locates the occurrence of the abnormality on the basis of the electric parameters before and after switching of the switches (36).
Inventors:
KANAMORI KEITA
KOGA TATSUO
KIDERA KAZUNORI
KOGA TATSUO
KIDERA KAZUNORI
Application Number:
PCT/JP2020/022423
Publication Date:
December 30, 2020
Filing Date:
June 05, 2020
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H02J13/00; H02S50/00
Domestic Patent References:
| WO2010004738A1 | 2010-01-14 |
Foreign References:
| JP2012195322A | 2012-10-11 | |||
| JP2016039766A | 2016-03-22 |
Attorney, Agent or Firm:
NII, Hiromori et al. (JP)
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