公开(公告)号：US09653937B2

公开(公告)日：2017-05-16

申请号：US14440889

申请日：2014-01-27

Applicant: Hitachi, Ltd.

Inventor： Isao Hoda ,  Hitoshi Akiyama

IPC: H02J7/00 ,  H02J5/00 ,  H02J17/00 ,  H02J7/02 ,  B60L11/18 ,  H02M1/44 ,  H04B15/00 ,  H02M7/48 ,  H02M1/00

CPC classification number: H02J7/0072 ,  B60L11/1805 ,  B60L11/1816 ,  B60L11/1846 ,  B60L11/1861 ,  B60L2210/10 ,  B60L2210/30 ,  B60L2210/40 ,  B60L2240/547 ,  B60L2240/549 ,  B60L2240/80 ,  B60L2270/147 ,  H02J5/005 ,  H02J7/0004 ,  H02J7/0052 ,  H02J7/025 ,  H02J7/04 ,  H02J17/00 ,  H02J50/10 ,  H02J50/80 ,  H02J2007/0059 ,  H02J2007/0096 ,  H02M1/44 ,  H02M7/48 ,  H02M2001/0029 ,  H04B15/00 ,  Y02T10/7005 ,  Y02T10/7044 ,  Y02T10/705 ,  Y02T10/7072 ,  Y02T10/7216 ,  Y02T10/7241 ,  Y02T90/121 ,  Y02T90/127 ,  Y02T90/128 ,  Y02T90/14 ,  Y02T90/16 ,  Y02T90/163 ,  Y02T90/169 ,  Y04S30/14

Abstract: It is an object of the present invention to provide a power supplying apparatus, a power receiving apparatus, an electrical vehicle, a charging system, and a charging method, the power feeding apparatus improving reliability by suppressing any decrease in charging efficiency and making charging control communication more resistant to high-frequency noise of a switching element. A power supplying apparatus for feeding power to an external apparatus, wherein the power supplying apparatus is characterized in having a power conversion unit, a power supplying unit, a control unit, and a communication unit. The power conversion unit includes a power conversion switching element capable of changing the a switching waveform of the switching element. The power supplying unit supplies power to the external apparatus, the power being generated in the power conversion unit. The communication unit communicates with the external apparatus. The control unit conducts a control so as to adjust the switching waveform of the switching element in the power conversion unit during a period in which the communication unit communicates with the external apparatus.

公开(公告)号：US20150303730A1

公开(公告)日：2015-10-22

申请号：US14440889

申请日：2014-01-27

Applicant: HITACHI, LTD.

Inventor： Isao Hoda ,  Hitoshi Akiyama

IPC: H02J7/00 ,  H02J5/00 ,  H02J17/00 ,  H02J7/02

CPC classification number: H02J7/0072 ,  B60L11/1805 ,  B60L11/1816 ,  B60L11/1846 ,  B60L11/1861 ,  B60L2210/10 ,  B60L2210/30 ,  B60L2210/40 ,  B60L2240/547 ,  B60L2240/549 ,  B60L2240/80 ,  B60L2270/147 ,  H02J5/005 ,  H02J7/0004 ,  H02J7/0052 ,  H02J7/025 ,  H02J7/04 ,  H02J17/00 ,  H02J50/10 ,  H02J50/80 ,  H02J2007/0059 ,  H02J2007/0096 ,  H02M1/44 ,  H02M7/48 ,  H02M2001/0029 ,  H04B15/00 ,  Y02T10/7005 ,  Y02T10/7044 ,  Y02T10/705 ,  Y02T10/7072 ,  Y02T10/7216 ,  Y02T10/7241 ,  Y02T90/121 ,  Y02T90/127 ,  Y02T90/128 ,  Y02T90/14 ,  Y02T90/16 ,  Y02T90/163 ,  Y02T90/169 ,  Y04S30/14

Abstract: It is an object of the present invention to provide a power supplying apparatus, a power receiving apparatus, an electrical vehicle, a charging system, and a charging method, the power feeding apparatus improving reliability by suppressing any decrease in charging efficiency and making charging control communication more resistant to high-frequency noise of a switching element. A power supplying apparatus for feeding power to an external apparatus, wherein the power supplying apparatus is characterized in having a power conversion unit, a power supplying unit, a control unit, and a communication unit. The power conversion unit includes a for power conversion switching element capable of changing the switching waveform. The power supplying unit supplies power to the external apparatus, the power being generated in the power conversion unit. The communication unit communicates with the external apparatus. The control unit conducts a control so as to adjust the switching waveform of the switching element in the power conversion unit during a period in which the communication unit communicates with the external apparatus.

Abstract translation: 本发明的目的是提供一种供电装置，电力接收装置，电动车辆，充电系统和充电方法，该馈电装置通过抑制充电效率的降低和充电控制来提高可靠性 通信更能抵抗开关元件的高频噪声。 一种用于向外部设备供电的供电设备，其中所述供电设备的特征在于具有电力转换单元，电力供应单元，控制单元和通信单元。 功率转换单元包括能够改变开关波形的功率转换开关元件。 供电单元向外部设备供电，在功率转换单元中产生电力。 通信单元与外部设备通信。 控制单元进行控制，以便在通信单元与外部设备通信的时段期间调整功率转换单元中的开关元件的开关波形。

公开(公告)号：US10160334B2

公开(公告)日：2018-12-25

申请号：US15121310

申请日：2014-12-08

Applicant: Hitachi, Ltd.

Inventor： Isao Houda ,  Masayoshi Takahashi ,  Hiroki Funato ,  Hitoshi Akiyama

IPC: H02M3/156 ,  B60L11/18 ,  H02M1/44 ,  H02M7/44 ,  H02P27/08

Abstract: Provided is a power conversion device capable of selectively suppressing harmonic noise in a frequency band and a machine equipped with the power conversion device. The power conversion device includes a switching element (13), a switching signal generation unit (23, 24) for generating a switching control signal for controlling the turning on/off of the switching element (13), and a control unit (18), and is characterized in that the switching control signal generation unit (23, 24) generates the switching control signal including a combination of a pair of symmetrical pulse waveforms having on and off periods that are interchanged with respect to a repeated cycle.