公开(公告)号：US11831263B2

公开(公告)日：2023-11-28

申请号：US17295217

申请日：2019-01-07

Applicant: LG ELECTRONICS INC.

Inventor： Jungdae Lee ,  Sanggi Ko ,  Jaeyoon Oh ,  Gilsu Lee

IPC: H02P27/06 ,  H02M1/14 ,  H02P101/45

CPC classification number: H02P27/06 ,  H02M1/143 ,  H02P2101/45

Abstract: The present specification relates to a motor control device, a motor control system, and a motor control method. The motor control device measures a ripple voltage of a DC link capacitor to determine an appropriate switching frequency according to the ripple voltage, and causes a plurality of arithmetic processing units to selectively control a switching operation of the switching unit according to the determined switching frequency.

公开(公告)号：US09964319B2

公开(公告)日：2018-05-08

申请号：US14642010

申请日：2015-03-09

Applicant: LG ELECTRONICS INC.

Inventor： Wooho Cha ,  Kwanho Yum ,  Jaeyoon Oh ,  Song Choi

IPC: F25B1/00 ,  F24F5/00 ,  F24F1/44

CPC classification number: F24F5/001 ,  F24F1/44 ,  F24F11/30 ,  F24F11/46 ,  F24F2140/60

Abstract: An air conditioner and a method for controlling an air conditioner are provided. The air conditioner may include at least one indoor device, an outdoor device connected to the indoor device, the outdoor device including a compressor that compresses refrigerant, an engine generating a power using combustion gas, a generator that generates electricity using the power, a battery that receives at least a portion of the electricity, a first supply line that supplies the electricity stored in the battery into the outdoor device, and a second supply line that supplies the electricity stored in the battery into the at least one indoor device. The battery is charged by the generator, or the electricity stored in the battery is discharged into the indoor device or the outdoor device according to operation performance of each of the indoor device and the outdoor device.

公开(公告)号：US20150267933A1

公开(公告)日：2015-09-24

申请号：US14642010

申请日：2015-03-09

Applicant: LG Electronics Inc.

Inventor： Wooho CHA ,  Kwanho Yum ,  Jaeyoon Oh ,  Song Choi

IPC: F24F11/00 ,  F24F5/00

CPC classification number: F24F5/001 ,  F24F1/44 ,  F24F11/30 ,  F24F11/46 ,  F24F2140/60

Abstract: An air conditioner and a method for controlling an air conditioner are provided. The air conditioner may include at least one indoor device, an outdoor device connected to the at least one indoor device, the outdoor device including a compressor that compresses a refrigerant, an engine generating a power using a combustion gas to operate the compressor, a generator that generates electricity using the power generated in the engine, a battery that receives at least a portion of the electricity generated in the generator, a first supply line that supplies the electricity stored in the battery into the outdoor device, and a second supply line that supplies the electricity stored in the battery into the at least one indoor device. The battery is charged by the generator, or the electricity stored in the battery is discharged into the at least one indoor device or the outdoor device according to operation performance of each of the at least one indoor device and the outdoor device.

Abstract translation: 提供一种空调和一种空调控制方法。 空调机可以包括至少一个室内装置，连接到至少一个室内装置的室外装置，室外装置包括压缩制冷剂的压缩机，使用燃烧气体产生动力以运行压缩机的发动机，发电机 使用发动机中产生的电力发电的电池，接收发电机中产生的电力的至少一部分的电池，将存储在电池中的电力供应到室外装置的第一电源线和第二电源线， 将存储在电池中的电力提供给至少一个室内装置。 电池由发电机充电，或根据至少一个室内机和室外机的操作性能，储存在电池中的电力被排放到至少一个室内机或室外机。