POWER SUPPLY CIRCUIT, MOTOR DRIVE CIRCUIT EQUIPPED WITH SAME, AND REFRIGERATION APPLIANCE EQUIPPED WITH POWER SUPPLY CIRCUIT OR MOTOR DRIVE CIRCUIT

Title:

POWER SUPPLY CIRCUIT, MOTOR DRIVE CIRCUIT EQUIPPED WITH SAME, AND REFRIGERATION APPLIANCE EQUIPPED WITH POWER SUPPLY CIRCUIT OR MOTOR DRIVE CIRCUIT

Document Type and Number:

WIPO Patent Application WO/2020/080224

Kind Code:

A1

Abstract:

In order to prevent destruction of components induced by an inrush current, this power supply circuit (20) is configured such that even when a heat source-side microcomputer (42) is booted up while a capacitor (22) is not fully charged, a main relay (87) is not turned ON and no electricity is supplied through a power-supply line. As a result, initiation of charging of the capacitor (22) without having a current limitation applied thereto is prevented, and thereby destruction of components due to an inrush current is prevented.

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Inventors:

SATO TOSHIAKI
YABUKI TOSHIO
UEDA NARUSHIGE

Application Number:

PCT/JP2019/039834

Publication Date:

April 23, 2020

Filing Date:

October 09, 2019

Export Citation:

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Assignee:

DAIKIN IND LTD (JP)

International Classes:

H02J1/00

Foreign References:

JP2015233396A	2015-12-24
JP2017184333A	2017-10-05
JP2013201850A	2013-10-03
JP2015233396A	2015-12-24
JP2013017289A	2013-01-24

Other References: