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公开(公告)号：US09007040B2
公开(公告)日：2015-04-14
申请号：US13635108
申请日：2010-11-04
CPC分类号： H02M3/158
摘要： Disclosed is a DC-DC power conversion apparatus (10) including two or more switching units (SU1, SU2) each of which further includes two semiconductor switching elements (Sa, Sb), and wherein each of the semiconductor switching elements (S1a, S1b, S2a, S2b) of each of the switching units are all connected in series, and which also includes an energy transition capacitor (C1) for conducting charging/discharging, and an inductor (L). The DC-DC power conversion apparatus (10) is also provided with a control unit that makes the semiconductor elements execute operations in four types of switching modes, according to the ratio (V2/V0) of the input/output voltages of the power conversion apparatus and the direction of the power transmission, and that also makes the elements carry out a current-discontinuing operation wherein the inductor current will become zero during switching operation, upon low load.
摘要翻译： 公开了一种包括两个或更多个开关单元（SU1，SU2）的DC-DC电力转换装置（10），每个开关单元还包括两个半导体开关元件（Sa，Sb），并且其中每个半导体开关元件（S1a，S1b） ，S2a，S2b）均串联连接，并且还包括用于导通充电/放电的能量转换电容器（C1）和电感器（L）。 DC-DC电力转换装置（10）还具有控制单元，该控制单元根据电力转换的输入输出电压的比（V2 / V0），使半导体元件以四种开关模式进行动作 装置和电力传输的方向，并且还使元件进行电流中断操作，其中在开关操作期间，在低负载时电感器电流将变为零。
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公开(公告)号：US20110181250A1
公开(公告)日：2011-07-28
申请号：US13003841
申请日：2009-07-15
申请人： Takahiro Urakabe , Tatsuya Okuda , Akihiko Iwata , Hirotoshi Maekawa , Masaru Kobayashi , Matahiko Ikeda , Yoshikazu Tsunoda , Kazutoshi Kaneyuki , Yuya Tanaka
发明人： Takahiro Urakabe , Tatsuya Okuda , Akihiko Iwata , Hirotoshi Maekawa , Masaru Kobayashi , Matahiko Ikeda , Yoshikazu Tsunoda , Kazutoshi Kaneyuki , Yuya Tanaka
IPC分类号： H02P9/14
CPC分类号： H02M3/158 , H02J7/1492 , H02P9/48 , H02P2101/45 , H02P2201/07 , Y02T10/92
摘要： A power supply apparatus includes: an AC generator including an AC generating section, and a rectifier for rectifying an AC voltage generated in the AC generating section, and outputting a DC voltage; and a DC/DC converter for converting the output voltage of the rectifier into a DC voltage having a different voltage value, wherein the output voltage of the rectifier is set to be larger than the output voltage of the DC/DC converter in accordance with the rotation speed of the AC generating section and the amount of power supply to an electrical load connected to the DC/DC converter, and is stepped down and outputted by using the DC/DC converter. The power supply apparatus is capable of increasing an output power efficiently.
摘要翻译： 一种电源装置，包括：交流发电机，包括交流发电部分和整流器，用于整流在所述交流发电部分中产生的交流电压，并输出直流电压; 以及用于将整流器的输出电压转换为具有不同电压值的直流电压的DC / DC转换器，其中整流器的输出电压被设定为大于根据所述DC / DC转换器的输出电压 交流发电部的转速和连接到DC / DC转换器的电负载的供电量，通过使用DC / DC转换器进行降压输出。 电源装置能够有效地提高输出功率。
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公开(公告)号：US07729144B2
公开(公告)日：2010-06-01
申请号：US12060542
申请日：2008-04-01
IPC分类号： H02M7/00
CPC分类号： H02M3/158 , Y02B70/1425
摘要： A DC/DC power conversion device with smoothing capacitors including three column circuits share the smoothing capacitors to be connected in parallel, each column circuit have a plurality of circuits connected in series where two MOSFETs are connected in series between both ends of respective smoothing capacitors and LC serial bodies of capacitors and inductors with the same resonant cycle are disposed between the circuits at two middle terminals. Driving signals for the respective column circuits have the same driving cycle identical with the resonant cycle of the LC serial bodies, and are out of phase with each other by 2π/3(rad), and thus charge-discharge currents towards the smoothing capacitors are circulated among the column circuits and ripple currents flowing through the smoothing capacitors are reduced.
摘要翻译： 具有包括三列电路的平滑电容器的DC / DC电力转换装置共享要并联连接的平滑电容器，每列电路具有串联连接的多个电路，其中两个MOSFET串联连接在各个平滑电容器的两端之间， 具有相同谐振周期的电容器和电感器的LC串联体设置在两个中间端子之间的电路之间。 各列电路的驱动信号具有与LC串联体的共振循环相同的驱动周期，并且彼此相位为2＆amp; r / 3（rad），因此对平滑电容器的充放电电流 在列电路之间循环，并且流过平滑电容器的纹波电流减小。
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公开(公告)号：US09007042B2
公开(公告)日：2015-04-14
申请号：US13811505
申请日：2011-07-27
CPC分类号： G05F5/00 , H02M1/32 , H02M3/158 , H02M3/1588 , Y02B70/1466
摘要： In a DC/DC converter, a first operation section calculates a first operation value, based on a difference voltage between an instruction value for a high-voltage-side voltage and a detected value of a high-voltage-side voltage, a second operation section calculates a second operation value, based on a difference voltage between a voltage instruction value for a charge-discharge capacitor and a voltage detected value of the charge-discharge capacitor, and a switching control section obtains a conduction ratio, based on the first operation value and the second operation value, and controls, based on the conduction ratio, switching operations of first to fourth semiconductor circuits, thereby controlling the high-voltage-side voltage, and the voltage of the charge-discharge capacitor.
摘要翻译： 在DC / DC转换器中，第一运算部根据高电压侧电压的指示值与高压侧电压的检测值之间的差分电压，计算第一运算值，第二运算 基于充放电电容器的电压指令值和充放电电容器的电压检测值之间的差分电压来计算第二操作值，并且开关控制部分基于第一操作获得导通比 值和第二操作值，并且基于导通比控制第一至第四半导体电路的开关操作，从而控制高压侧电压和充放电电容器的电压。
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公开(公告)号：US08773082B2
公开(公告)日：2014-07-08
申请号：US13382231
申请日：2010-07-26
申请人： Takahiro Urakabe , Tatsuya Okuda , Yuuya Tanaka , Masaru Kobayashi , Matahiko Ikeda , Hirotoshi Maekawa
发明人： Takahiro Urakabe , Tatsuya Okuda , Yuuya Tanaka , Masaru Kobayashi , Matahiko Ikeda , Hirotoshi Maekawa
IPC分类号： H02M3/158
摘要： An object of the present invention is to provide a DC/DC power conversion apparatus that can reduce the average power consumption over a wide range of DC voltage ratios. A control circuit (120) changes a switching frequency f at which IGBTs S1 to S4 perform ON/OFF operation, in accordance with a voltage ratio k (k=V2/V1) for DC voltage conversion, based on the following expressions, such that a magnitude ΔI of a current ripple flowing in a reactor Lc is a predetermined constant value irrespective of the voltage ratio k. If 1≦k 2: f=(V1/(2×L×ΔI))×(k−2)/k
摘要翻译： 本发明的目的是提供一种能够在宽的直流电压比范围内降低平均功耗的DC / DC电力转换装置。 控制电路（120）根据以下表达式，根据用于直流电压转换的电压比k（k = V2 / V1），改变IGBT S1至S4执行ON / OFF操作的开关频率f，使得 在电抗器Lc中流动的电流纹波的幅度＆Dgr; I是与电压比k无关的预定常数值。 如果k> 2：f =（V1 /（2×L）），则如果1＆nlE; k <2：f =（V1 /（2×L×＆Dgr; I））×（k-1）×（2-k）/ k ×＆Dgr; I））×（k-2）/ k
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公开(公告)号：US20130002215A1
公开(公告)日：2013-01-03
申请号：US13635108
申请日：2010-11-04
IPC分类号： G05F1/46
CPC分类号： H02M3/158
摘要： Disclosed is a DC-DC power conversion apparatus (10) including two or more switching units (SU1, SU2) each of which further includes two semiconductor switching elements (Sa, Sb), and wherein each of the semiconductor switching elements (S1a, S1b, S2a, S2b) of each of the switching units are all connected in series, and which also includes an energy transition capacitor (C1) for conducting charging/discharging, and an inductor (L). The DC-DC power conversion apparatus (10) is also provided with a control unit that makes the semiconductor elements execute operations in four types of switching modes, according to the ratio (V2/V0) of the input/output voltages of the power conversion apparatus and the direction of the power transmission, and that also makes the elements carry out a current-discontinuing operation wherein the inductor current will become zero during switching operation, upon low load.
摘要翻译： 公开了一种包括两个或更多个开关单元（SU1，SU2）的DC-DC电力转换装置（10），每个开关单元还包括两个半导体开关元件（Sa，Sb），并且其中每个半导体开关元件（S1a，S1b） ，S2a，S2b）均串联连接，并且还包括用于导通充电/放电的能量转换电容器（C1）和电感器（L）。 DC-DC电力转换装置（10）还具有控制单元，该控制单元根据电力转换的输入输出电压的比（V2 / V0），使半导体元件以四种开关模式进行动作 装置和电力传输的方向，并且还使得元件进行电流中断操作，其中在开关操作期间，在低负载时电感器电流将变为零。
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公开(公告)号：US08036008B2
公开(公告)日：2011-10-11
申请号：US12441025
申请日：2007-05-17
申请人： Matahiko Ikeda , Takahiro Urakabe , Kiyoharu Anzai , Akihiko Iwata , Hirotoshi Maekawa , Toshiyuki Kikunaga , Masaru Kobayashi , Tatsuya Okuda
发明人： Matahiko Ikeda , Takahiro Urakabe , Kiyoharu Anzai , Akihiko Iwata , Hirotoshi Maekawa , Toshiyuki Kikunaga , Masaru Kobayashi , Tatsuya Okuda
IPC分类号： H02M7/10
CPC分类号： H02M3/158 , H02M2001/0077
摘要： Three or more circuits including a driving inverter circuit and rectifier circuits are connected in series, each of the circuits including a high-voltage side MOSFET and a low-voltage side MOSFET connected in series as well as a smoothing capacitor having positive and negative terminals between which the MOSFETs are connected. LC series circuits, each including a capacitor and an inductor, are disposed individually between one specific circuit and the other circuits with periods of resonance of the LC series circuits made equal to one another. In performing DC/DC power conversion through charging and discharging operation of the capacitors, a resonance phenomenon of the LC series circuits is used to improve conversion efficiency and achieve a reduction in size of the apparatus structure.
摘要翻译： 包括驱动逆变器电路和整流电路的三个或更多个电路串联连接，每个电路包括串联连接的高压侧MOSFET和低压侧MOSFET，以及平滑电容器，其间具有正极和负极端子 MOSFET连接。 LC串联电路各自包括电容器和电感器，分别设置在一个特定电路和其它电路之间，其中LC串联电路的谐振周期彼此相等。 在通过电容器的充放电操作进行DC / DC电力转换时，使用LC串联电路的谐振现象来提高转换效率并实现装置结构的尺寸减小。
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公开(公告)号：US09112429B2
公开(公告)日：2015-08-18
申请号：US13365892
申请日：2012-02-03
申请人： Matahiko Ikeda , Masaru Kobayashi , Naoki Moritake , Takao Mitsui , Hirotoshi Maekawa , Satoshi Ishibashi , Shinsuke Idenoue
发明人： Matahiko Ikeda , Masaru Kobayashi , Naoki Moritake , Takao Mitsui , Hirotoshi Maekawa , Satoshi Ishibashi , Shinsuke Idenoue
IPC分类号： H02M1/32 , H02M7/5387 , H02M3/337 , H02M3/156 , H02M1/00
CPC分类号： H02M7/5387 , H01L2224/32225 , H02M3/156 , H02M3/3376 , H02M2001/0009 , H02M2001/327
摘要： A power converter has one set of two semiconductor switches performing switching actions, each of which is formed of an FET and a free wheel diode connected in anti-parallel to the FET, and a smoothing capacitor, and convers power by complementary switching actions of the FETs in the semiconductor switches. The power converter is provided with a current sensor that detects a direction of a current flowing through the semiconductor switches and a gate generation portion that skips ON signals of PWM gate signals of the semiconductor switches when the direction of the current flowing through the semiconductor switches is negative.
摘要翻译： 功率转换器具有一组两个执行开关动作的半导体开关，每个半导体开关由FET和与FET并联连接的续流二极管和平滑电容器组成，并且通过互补的开关动作 半导体开关中的FET 功率转换器设置有电流传感器，其检测流过半导体开关的电流的方向，以及栅极产生部分，当流过半导体开关的电流的方向为 负。
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公开(公告)号：US20130119961A1
公开(公告)日：2013-05-16
申请号：US13811505
申请日：2011-07-27
IPC分类号： G05F5/00
CPC分类号： G05F5/00 , H02M1/32 , H02M3/158 , H02M3/1588 , Y02B70/1466
摘要： In a DC/DC converter, a first operation section calculates a first operation value, based on a difference voltage between an instruction value for a high-voltage-side voltage and a detected value of a high-voltage-side voltage, a second operation section calculates a second operation value, based on a difference voltage between a voltage instruction value for a charge-discharge capacitor and a voltage detected value of the charge-discharge capacitor, and a switching control section obtains a conduction ratio, based on the first operation value and the second operation value, and controls, based on the conduction ratio, switching operations of first to fourth semiconductor circuits, thereby controlling the high-voltage-side voltage, and the voltage of the charge-discharge capacitor.
摘要翻译： 在DC / DC转换器中，第一运算部根据高电压侧电压的指示值与高压侧电压的检测值之间的差分电压，计算第一运算值，第二运算 基于充放电电容器的电压指令值和充放电电容器的电压检测值之间的差分电压来计算第二操作值，并且开关控制部分基于第一操作获得导通比 值和第二操作值，并且基于导通比控制第一至第四半导体电路的开关操作，从而控制高压侧电压和充放电电容器的电压。
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公开(公告)号：US07619907B2
公开(公告)日：2009-11-17
申请号：US12059109
申请日：2008-03-31
申请人： Takahiro Urakabe , Matahiko Ikeda , Masaru Kobayashi , Akihiko Iwata , Tatsuya Okuda , Hirotoshi Maekawa , Toshiyuki Kikunaga
发明人： Takahiro Urakabe , Matahiko Ikeda , Masaru Kobayashi , Akihiko Iwata , Tatsuya Okuda , Hirotoshi Maekawa , Toshiyuki Kikunaga
IPC分类号： H02M5/45
CPC分类号： H02M3/33569 , H02M2001/0077 , H02M2003/1586 , Y10T307/675
摘要： A DC/DC power conversion device includes n-stage circuits comprised of an inverter circuit for driving which is connected between positive terminals and negative terminals of smoothing capacitors, and a rectifier circuit which is connected between positive terminals and negative terminals of smoothing capacitors; a first circuit corresponding to at least one among the n-stage circuits and configured by connecting in parallel cell circuits of m, second circuits corresponding to a plurality of remaining circuits of (n−1) among the n-stage circuits; capacitors for energy transfer connected between middle points of the cell circuits and middle points of the second circuits; and column circuits of m comprised of the cell circuits, the second circuits and the capacitors for energy transfer, wherein the middle points are contact points of high voltage sided elements and low voltage sided elements of the cell circuits and the second circuits; and driving signals for driving the respective column circuits have the same driving cycle and are out of phase with each other.
摘要翻译： DC / DC电力转换装置包括n级电路，其包括连接在平滑电容器的正极端子和负极端子之间的用于驱动的反相器电路，以及连接在平滑电容器的正极端子和负极端子之间的整流电路; 对应于n级电路中的至少一个的第一电路，并且通过将与n级电路中的（n-1）的多个剩余电路相对应的m个第二电路的并行单元电路连接而构成; 连接在电池电路的中点和第二电路的中点之间的用于能量传输的电容器; 以及由单元电路，第二电路和用于能量传递的电容器组成的m的列电路，其中中点是单元电路和第二电路的高压侧元件和低压侧元件的接触点; 并且用于驱动各个列电路的驱动信号具有相同的驱动周期并且彼此异相。
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