公开(公告)号：US20230235915A1

公开(公告)日：2023-07-27

申请号：US18080998

申请日：2022-12-14

Applicant: LG ELECTRONICS INC.

Inventor： Jeonggu KANG ,  Cheolmin CHO ,  Jihyun AHN ,  Moonho PARK

IPC: F24F11/75 ,  F24F11/77 ,  F24F11/64 ,  F24F11/88

CPC classification number: F24F11/75 ,  F24F11/77 ,  F24F11/64 ,  F24F11/88

Abstract: A motor control apparatus may relate to a motor control apparatus, an air conditioning system, and a constant airflow control method of a fan motor control apparatus of an indoor unit, in which table information on an airflow command value corresponding to a reception pattern or type of a signal is prestored to determine a corresponding airflow command value from the table information according to a result of receiving the signal from a central control apparatus so as to control an operation of a fan motor.

公开(公告)号：US20200161868A1

公开(公告)日：2020-05-21

申请号：US16685857

申请日：2019-11-15

Applicant: LG ELECTRONICS INC.

Inventor： Moonho PARK ,  Youngchan PARK

IPC: H02J3/38 ,  H02M7/5387

Abstract: Discussed are a power converting apparatus, a photovoltaic module, and a photovoltaic system including the photovoltaic module and the power converting apparatus. The power converting apparatus is capable of converting direct current (DC) power from the solar cell module into alternating current (AC) power, outputting the AC power to a grid, and detecting a signal indicative of abnormality in grid power caused by power cut or the like, thereby preventing an islanding operation.