Title:
Wireless power transmitters and wireless power transfer systems
Document Type and Number:
Japanese Patent JP6353545
Kind Code:
B2
Abstract:
A wireless power transfer system according to an embodiment of the present invention is a wireless power transfer system having a receiving part for receiving power from a transmitting part, wherein the transmitting part comprises: a power conversion part comprising a full bridge inverter; and a control part for controlling the power conversion part using a pulse width modulation(PWM) control signal, the duty ratio of the PWM control signal being determined by a duty ratio in which the ratio of the magnitude of harmonics to the magnitude of a fundamental frequency among frequency components of the output signal of the power conversion part is a minimum.
Inventors:
Be, Su
Application Number:
JP2016545862A
Publication Date:
July 04, 2018
Filing Date:
January 07, 2015
Export Citation:
Assignee:
LG Innotek Co., Ltd
International Classes:
H02J50/12; H02M7/48
Domestic Patent References:
| JP2015536123A | ||||
| JP11224822A | ||||
| JP2013223409A |
Foreign References:
| WO2013074529A1 |
Attorney, Agent or Firm:
Sakaki Morishita