公开(公告)号：US20150326066A1

公开(公告)日：2015-11-12

申请号：US14649616

申请日：2012-12-04

Applicant: Yoshiaki YAMADA ,  Takayuki TSUCHIYA ,  Kunihiko HIKIRI ,  Kouichi ITANI ,  Noriaki MIYAKE

Inventor： Yoshiaki YAMADA ,  Takayuki TSUCHIYA ,  Kunihiko HIKIRI ,  Kouichi ITANI ,  Noriaki MIYAKE

IPC: H02J7/34 ,  H02P4/00 ,  H02J7/00

CPC classification number: H02M7/5387 ,  B60L7/14 ,  B60L11/005 ,  B60L11/1803 ,  B60L11/1861 ,  B60L11/1868 ,  B60L15/007 ,  B60L2210/10 ,  B60L2240/547 ,  B60L2240/549 ,  H01M10/44 ,  H01M16/00 ,  H01M2220/20 ,  H02J7/0065 ,  H02J7/345 ,  H02M3/335 ,  H02M7/537 ,  H02M2001/0067 ,  H02M2001/0083 ,  H02M2001/0093 ,  H02M2007/4803 ,  Y02T10/645 ,  Y02T10/7005 ,  Y02T10/7022 ,  Y02T10/7044 ,  Y02T10/7066 ,  Y02T10/7216 ,  Y10T307/527

Abstract: A power supply device for supplying power to a load by combining a secondary battery and a capacitor connected in parallel to the secondary battery includes an insulation type DC-DC converter with a primary coil connected in parallel to the secondary battery and configured to accumulate energy by a current supplied from the secondary battery and a secondary coil connected in series to the capacitor and configured such that an induction current flows therein by the accumulated energy from the primary coil.

Abstract translation: 一种用于通过组合二次电池和与二次电池并联连接的电容器来向负载供电的电源装置包括具有与二次电池并联连接的初级线圈的绝缘型DC-DC转换器，并且被配置为通过 从二次电池供给的电流和与电容器串联连接的次级线圈，并且被配置为使得感应电流在其中流过来自初级线圈的累积能量。

公开(公告)号：US09071168B2

公开(公告)日：2015-06-30

申请号：US12442660

申请日：2006-09-25

Applicant: Peter Knaup ,  Karl Koch ,  Thomas Lenz

Inventor： Peter Knaup ,  Karl Koch ,  Thomas Lenz

IPC: H02M7/537 ,  H02M7/538 ,  H02M1/00 ,  H02H7/122 ,  H02M7/48

CPC classification number: H02M7/53803 ,  H02M2007/4803

Abstract: The invention relates to a power inverter circuit for coupling a power station to a power supply system. The invention addresses the problem to reduce the risk of damages to components of the power station and the power supply system in the course of coupling action by providing a power inverter circuit for adjusting symmetry of the AC voltage before coupling the inverter output to a load, comprising: first switching means for selectively connecting a positive voltage to the inverter circuit output, second switching means for selectively connecting a negative voltage to the inverter output, and ohmic resistance means coupled in parallel to the inverter output, a controller for selectively switching the first and second switching means with a switching frequency to produce an AC voltage from the positive and negative voltage, wherein the controller is adapted to alter the duty ratio of the switching frequency to adjust the symmetry of the AC voltage produced by the inverter.

Abstract translation: 本发明涉及一种用于将电站耦合到电源系统的电力逆变器电路。 本发明解决了通过在将逆变器输出耦合到负载之前提供用于调节交流电压的对称性的电力逆变器电路来降低在耦合动作过程中发电站和供电系统的部件损坏的风险的问题， 包括：用于选择性地将正电压连接到逆变器电路输出的第一开关装置，用于选择性地将负电压连接到逆变器输出的第二开关装置和并联于逆变器输出的欧姆电阻装置，用于选择性地切换第一 以及具有开关频率的第二开关装置，以从正电压和负电压产生AC电压，其中控制器适于改变开关频率的占空比以调整由逆变器产生的AC电压的对称性。

公开(公告)号：US20140192560A1

公开(公告)日：2014-07-10

申请号：US13735481

申请日：2013-01-07

Applicant: Analog Devices Technology

Inventor： YINGYANG OU ,  RENJIAN XIE ,  HUAILIANG SHENG

IPC: H03K3/017 ,  H02M3/335

CPC classification number: H02M1/08 ,  H02M1/40 ,  H02M3/33507 ,  H02M3/33576 ,  H02M2007/4803 ,  H03K17/56

Abstract: A duty cycle balance module (DCBM) for use with a switch mode power converter. One possible half-bridge converter embodiment includes a transformer driven to conduct current in first and second directions by first and second signals during and second half-cycles, respectively. A current limiting mechanism adjusts the duty cycles of the first and second signals when a sensed current exceeds a predetermined limit threshold. The DCBM receives signals representative of the duty cycles which would be used if there were no modification by the current limiting mechanism and signals Dact—1 and Dact—2 representative of the duty cycles that are actually used for the first and second signals, and outputs signals Dbl—1 and Dbl—2 which modify signals Dact—1 and Dact—2 as needed to dynamically balance the duty cycles of the first and second signals and thereby reduce flux imbalance in the transformer that might otherwise arise.

Abstract translation: 用于开关模式功率转换器的占空比平衡模块（DCBM）。 一个可能的半桥转换器实施例包括分别被驱动以在第一和第二方向通过第一和第二信号在第一和第二半周期期间传导电流的变压器。 当感测电流超过预定极限阈值时，电流限制机构调节第一和第二信号的占空比。 DCBM接收代表占空比的信号，如果没有通过电流限制机制进行修改，并且表示实际用于第一和第二信号的占空比的Dact-1和Dact-2信号，以及输出 信号Dbl-1和Dbl-2，其根据需要修改信号Dact-1和Dact-2，以动态平衡第一和第二信号的占空比，从而减少可能出现的变压器中的通量不平衡。

公开(公告)号：US07813148B2

公开(公告)日：2010-10-12

申请号：US11834828

申请日：2007-08-07

Applicant: Jianhong Zeng ,  Yuanyuan Zhang ,  Aibin Qiu ,  Kun Wei ,  Jianping Ying

Inventor： Jianhong Zeng ,  Yuanyuan Zhang ,  Aibin Qiu ,  Kun Wei ,  Jianping Ying

IPC: H02M3/335

CPC classification number: H02M3/3376 ,  H02M2007/4803

Abstract: Provided is a flux regulation method for use in a power converter, wherein the method is carried out by a flux bias controller. The flux bias controller includes a current detector which is configured to detect the primary current of the transformer of the power converter in a predetermined switching cycle, a DC bias processor which is configured to obtain the duty ratio control signal according to the sampled primary current outputted from the current detector for a switching cycle later than the predetermined switching cycle, and a PWM controller which is configured to generate driving signals to control the on/off operations of the switching circuit of the power converter according to the duty ratio control signal, thereby suppressing the DC bias of the transformer by regulating the duty ratio of the switch circuit.

Abstract translation: 提供了一种用于功率转换器的磁通调节方法，其中该方法由磁通偏压控制器执行。 通量偏置控制器包括电流检测器，其被配置为在预定的开关周期内检测功率转换器的变压器的初级电流; DC偏置处理器，被配置为根据所输出的采样的一次电流获得占空比控制信号 从电流检测器开始比预定开关周期晚的开关周期，以及PWM控制器，其被配置为产生驱动信号，以根据占空比控制信号来控制功率转换器的开关电路的接通/断开操作，由此 通过调节开关电路的占空比来抑制变压器的直流偏压。

公开(公告)号：US20040027842A1

公开(公告)日：2004-02-12

申请号：US10452921

申请日：2003-06-03

Applicant: OMRON CORPORATION

Inventor： Katsutaka Tanabe ,  Nobuyuki Toyoura ,  Seiji Oka ,  Masao Mabuchi ,  Kotaro Nakamura ,  Yuji Tsurukawa ,  Kenichi Inoue

IPC: H02M007/538

CPC classification number: H02M3/3372 ,  H02M2007/4803

Abstract: An electric power conversion device comprises switching elements 2a, 2b making up a push-pull converter, a pulse transformer T, a rectification diode D1, a rectification diode D2, a choke coil L, a smoothing capacitor C, a DC magnetic deviation prevention means 3, and an inverter 4. The DC magnetic deviation prevention means 3 detects the coil currents I1, I2 flowing in the primary windings M1, M2 of the pulse transformer T. By controlling (shortening) the on time of the switching element having a greater amount of current, the coil currents I1, I2 are balanced (I1nullI2), thereby preventing the magnetic deviation phenomena of the pulse transformer T.

Abstract translation: 电力转换装置包括组成推挽转换器的开关元件2a，2b，脉冲变压器T，整流二极管D1，整流二极管D2，扼流线圈L，平滑电容器C，直流磁偏移防止装置 DC磁偏移防止装置3检测在脉冲变压器T的初级绕组M1，M2中流动的线圈电流I1，I2。通过控制（缩短）具有较大的开关元件的导通时间 电流量，线圈电流I1，I2平衡（I1 = I2），从而防止脉冲变压器T的磁偏差现象。

公开(公告)号：US20020000784A1

公开(公告)日：2002-01-03

申请号：US09887016

申请日：2001-06-25

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Sumikazu Shamoto ,  Shoichi Sasaki ,  Eiji Sato ,  Masayuki Komatsu ,  Kazunari Moriya ,  Hiroki Ohtani ,  Yukio Inaguma

IPC: H02P005/34 ,  H02P007/42

CPC classification number: H02P27/08 ,  H02M7/53873 ,  H02M2007/4803 ,  H02P6/08 ,  H02P23/0077

Abstract: When the absolute values of the negative voltage Vnull and the positive voltage Vnull of a rectangular wave to be applied to the three phase coils of the motor driven using a rectangular-waved voltage are different, time T1 and time T2 for the rectangular wave are adjusted such that the area A representing the absolute value of a time integration value of the negative voltage Vnull and the area B representing the absolute value of a time integration value of the positive voltage Vnull becomes equal to each other. With this adjustment, the average voltage of the rectangular wave becomes of value 0, so that a DC component current is prevented from flowing into the three phase coils of the motor.

Abstract translation: 当施加到使用矩形波电压驱动的电动机的三相线圈的矩形波的负电压V-和正电压V +的绝对值不同时，矩形波的时间T1和时间T2 调整为使得表示负电压V-的时间积分值的绝对值的面积A和表示正电压V +的时间积分值的绝对值的面积B彼此相等。 通过该调整，矩形波的平均电压变为值0，从而防止DC分量电流流入电动机的三相线圈。

公开(公告)号：US06278266B1

公开(公告)日：2001-08-21

申请号：US09568217

申请日：2000-05-09

Applicant: Martin S. Glasband

Inventor： Martin S. Glasband

IPC: H01F1700

CPC classification number: H02M5/10 ,  H01F19/04 ,  H01F2019/085 ,  H02M5/12 ,  H02M2007/4803

Abstract: A power generator and method of use for providing symmetrical power. In the present invention, the output winding of a generator is center-tapped at the point of mean voltage differential between each of its two output terminals. The center-tap is grounded such that one-half of the output potential appears across each half of the output winding. Full, symmetrical voltage is applied to the load when the output terminals are connected to the load and the load is grounded.

Abstract translation: 一种用于提供对称功率的发电机和方法。 在本发明中，发电机的输出绕组在其两个输出端子中的每一个之间的平均电压差点处进行中心抽头。 中心抽头接地，使得输出电位的一半出现在输出绕组的每一半上。 当输出端子连接到负载并且负载接地时，对负载施加全对称电压。

公开(公告)号：US6154379A

公开(公告)日：2000-11-28

申请号：US353879

申请日：1999-07-15

Applicant: Yoshihisa Okita

Inventor： Yoshihisa Okita

IPC: H02M7/48 ,  H02M1/12 ,  H02M7/44

CPC classification number: H02M7/48 ,  H02M2007/4803

Abstract: The electric power conversion device includes an AC section, a DC section, a switching section connected between the AC section and the DC section for making power conversion by switching operation, and a control section for control the switching section. In the DC section is installed a ripple detection device for detecting a ripple component emerging into the DC side and for generating a ripple detection signal. When the DC component is included in the output current of the AC section, a ripple component having the same frequency with the AC frequency of the AC section output current is superimposed in the DC section. The ripple detection device is installed in the DC section, and thereby the ripple component emerging into the DC section is detected by the ripple detection device as a reflection of the DC offset included in the output current. The control section receives the ripple detection signal from the ripple detection device, generates the DC component compensation signal for controlling the DC component included in the AC side current based on the ripple detection signal, and controls the switching section by the control signal including the DC component compensation signal to compensate the DC offset.

Abstract translation: 电力转换装置包括AC部分，DC部分，连接在AC部分和通过切换操作进行电力转换的DC部分之间的切换部分和用于控制切换部分的控制部分。 在直流部分安装有纹波检测装置，用于检测出现在直流侧的纹波分量并产生纹波检测信号。 当直流分量包含在AC部分的输出电流中时，具有与AC部分输出电流的交流频率相同频率的脉动分量被叠加在DC部分中。 波纹检测装置安装在直流部分中，由此纹波检测装置检测出出现在直流部分中的脉动分量作为包括在输出电流中的直流偏移的反映。 控制部接收来自纹波检测装置的纹波检测信号，根据纹波检测信号生成用于控制包含在AC侧电流中的直流成分的直流成分补偿信号，并通过包含DC的控制信号来控制切换部 分量补偿信号来补偿直流偏移。

公开(公告)号：US5177428A

公开(公告)日：1993-01-05

申请号：US757213

申请日：1991-09-10

Applicant: Syunichi Hirose ,  Haruhisa Inokuchi

Inventor： Syunichi Hirose ,  Haruhisa Inokuchi

IPC: H02M7/48 ,  H02M7/537

CPC classification number: H02M7/48 ,  H02M2007/4803 ,  Y10T307/511

Abstract: An inverter control device that controls a self-commulated inverter connected to an AC power system via a three phase transformer and in so doing suppresses DC magnetization in the three-phase transformer. The device includes a current DC component detecting circuit for detecting the current DC components contained in at least two of the three phase output AC currents of the inverter and a DC magnetization suppressor signal generating circuit for producing two correcting signals from the current DC components. The two correcting signals are used to balance in amount the three voltage DC components contained in the three phase output AC voltage of the inverter, respectively. An output reference correcting circuit is provided to correct two of first output references in accordance with the two correcting signals and output three second references including the two corrected values and one of the first output reference. A gate control circuit controls the three phase output AC voltages of the inverter according to the three second output references.

公开(公告)号：US5105352A

公开(公告)日：1992-04-14

申请号：US606787

申请日：1990-10-31

Applicant: Masao Iwasa ,  Hirofumi Sugiura

Inventor： Masao Iwasa ,  Hirofumi Sugiura

IPC: H02P27/06 ,  H02M7/5395

CPC classification number: H02M7/5395 ,  H02M2007/4803

Abstract: The DC offset in a current control system for a PWM inverter drive is corrected by integrating a DC component of a current control signal provided by a current control amplifier and feedback controlling the current control amplifier to reduce the DC component to zero.