Title:
AIR CONDITIONER INCLUDING MOTOR DRIVING DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/090982
Kind Code:
A1
Abstract:
An air conditioner capable of suppressing inverter loss is provided. The air conditioner includes a motor driving device of a motor having a plurality of phase coils not connected to each other, and the motor driving device includes two inverters that are respectively connected to both ends of the plurality of phase coils and have a pair of first switching devices for each phase coil; a converter that rectifies alternating current power and converts same into direct current power; and a plurality of condensers connected in series between output terminals of the converter to divide a direct current voltage between the output terminals, and at least one of the two inverters may include a plurality of second switching elements connected between the middle point of the pair of first switching elements for each phase coil and the middle potential point of the direct current voltage formed by the plurality of condensers.
Inventors:
TAKENAKA KATSUMI (JP)
YAMADA YASUYUKI (JP)
YAMADA YASUYUKI (JP)
Application Number:
PCT/KR2023/016627
Publication Date:
May 02, 2024
Filing Date:
October 25, 2023
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
F24F11/88; F24F1/08; H02M1/00; H02P25/16; H02P27/06
Foreign References:
| JP2012235632A | 2012-11-29 | |||
| US20200186075A1 | 2020-06-11 | |||
| KR102374725B1 | 2022-03-16 | |||
| JP7034670B2 | 2022-03-14 | |||
| JP2010154662A | 2010-07-08 |
Attorney, Agent or Firm:
Y.P.LEE, MOCK & PARTNERS (KR)
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