专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2014057513A System interconnection power conditioner 有权
标题翻译：系统互连功率调节器
公开(公告)号：JP2014057513A
公开(公告)日：2014-03-27
申请号：JP2013244504
申请日：2013-11-27
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KASUGAI MAKOTO , IWATA AKIHIKO
IPC分类号： H02M7/48 , G05F1/67 , H01L31/04 , H02J3/46
CPC分类号： Y02B10/14 , Y02E10/50 , Y02P80/23
摘要： PROBLEM TO BE SOLVED: To provide a system interconnection power conditioner that can operate even in a period with a smaller amount of solar radiation such as morning and evening, thereby effectively using power generated by a solar cell.SOLUTION: A power conditioner 1 includes: an inverter 5 for converting DC power generated by a solar cell 2 into AC power on the basis of an output current command value; and control means 7 for measuring an output voltage of the solar cell 2 and transmitting the output current command value to the inverter 5. When the DC power output is low because of low-level solar radiation, the control means 7 monitors an amount ΔV of change of the output voltage of the solar cell 2 from an open-circuit voltage Voc, the change accompanying power conversion operation of the inverter 5 based on the output current command value, and increases or decreases the output current command value according to the amount of change. Repeating the output operation enables power to be output at all times without waiting for solar radiation to be stable even when the amount of solar radiation is small.
摘要翻译：要解决的问题：提供一种系统互联功率调节器，即使在诸如早晨和晚上的太阳辐射量较少的期间也能够运行，从而有效地利用太阳能电池产生的电力。解决方案：功率调节器1包括：逆变器5，用于根据输出电流指令值将由太阳能电池2产生的直流电力转换为交流电; 以及用于测量太阳能电池2的输出电压并将输出电流指令值发送到逆变器5的控制装置7.当由于低电平太阳辐射而导致直流功率输出为低时，控制装置7监视量Dgr; 根据开关电压Voc，太阳能电池2的输出电压的变化V，根据输出电流指令值与逆变器5的电力转换动作相关的变化，根据该输出电流指令值增大或减小变化量。重复输出操作，即使太阳辐射量较小，也能始终输出功率，无需等待太阳辐射稳定。

2. 发明专利

JP2012069997A Power module 有权
标题翻译：电源模块
公开(公告)号：JP2012069997A
公开(公告)日：2012-04-05
申请号：JP2011275145
申请日：2011-12-16
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KUMAGAI TAKASHI , NAKAJIMA KOJI , MATSUBARA NORIYUKI , HAYASHI KENICHI , IWATA AKIHIKO
IPC分类号： H01L25/07 , H01L25/18 , H02M5/458 , H02M7/48
CPC分类号： H01L2924/00014 , H01L2924/1305 , H01L2924/13055 , H01L2924/13091 , H01L2924/00 , H01L2224/48
摘要： PROBLEM TO BE SOLVED: To provide a thin, compact, lightweight, high-reliability, high-performance, and reduced-cost power module.SOLUTION: The power module includes a plurality of IGBTs 3a-3m; a plurality of driving circuits 42 for individually driving the IGBTs 3a-3m; a plurality of driving power supply circuits for individually supplying electric power to the driving circuits 42; and a printed circuit board 30 having the driving circuits 42 and the driving power supply circuits mounted thereon. Each of the driving power supply circuits includes a power transformer 50 for transmitting electric power. The power transformer 50 is constructed of primary side and secondary side coil patterns 70a and 70b disposed on the printed circuit board 30; and a core 71 which is attached to the printed circuit board 30, and establishes electromagnetic coupling with the coil patterns 70a and 70b.
摘要翻译：要解决的问题：提供薄型，紧凑，重量轻，高可靠性，高性能和降低成本的电源模块。电源模块包括多个IGBTs 3a-3m; 多个驱动电路42，分别驱动IGBT3a〜3m; 多个驱动电源电路，用于分别向驱动电路42提供电力; 以及安装有驱动电路42和驱动电源电路的印刷电路板30。每个驱动电源电路包括用于传输电力的电力变压器50。电力变压器50由设置在印刷电路板30上的初级侧和次级侧线圈图案70a和70b构成; 以及安装在印刷电路板30上的芯体71，与线圈图案70a，70b建立电磁耦合。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2011142740A Power conversion apparatus 有权
标题翻译：功率转换装置
公开(公告)号：JP2011142740A
公开(公告)日：2011-07-21
申请号：JP2010001920
申请日：2010-01-07
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KUBOYAMA YU , IZUMI KIKUO , IWATA AKIHIKO
IPC分类号： H02M7/48 , H02M7/483
摘要： PROBLEM TO BE SOLVED: To initially charge a single-phase inverter with a rush current suppressed without equipping a dedicated initial charge circuit in a gradient control inverter obtained by connecting a single-phase inverter in series with each phase of a three-phase inverter. SOLUTION: A gradient control power conversion apparatus is obtained by connecting a single-phase inverter in series with each phase of AC output line of a three-phase, three-level inverter. The three-phase, three-level inverter 10 outputs a pulse voltage to charge the DC capacitor 25 of each single-phase inverter with an output current flowing through single-phase inverters 20A, 20B and an output filter 5. The pulse width and pulse period of the pulse voltage output by the three-phase, three-level inverter are so controlled that the output current does not become an overcurrent. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了对在没有装备专用初始充电电路的冲击电流进行初始充电的单相逆变器中，通过将单相逆变器与三相逆变器的每相串联连接而获得的梯度控制逆变器中，相逆变器。解决方案：通过将单相逆变器与三相三电平逆变器的交流输出线的每相串联连接，获得梯度控制电力转换装置。三相三电平逆变器10输出脉冲电压，以流过单相逆变器20A，20B和输出滤波器5的输出电流对每个单相逆变器的直流电容器25充电。脉冲宽度和脉冲由三相三电平逆变器输出的脉冲电压的周期被控制，使得输出电流不会变成过电流。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2011061925A Power converter 审中-公开
标题翻译：电源转换器
公开(公告)号：JP2011061925A
公开(公告)日：2011-03-24
申请号：JP2009206959
申请日：2009-09-08
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KAWAKAMI TOMOYUKI , IWATA AKIHIKO
IPC分类号： H02M3/07
摘要： PROBLEM TO BE SOLVED: To reduce power loss and noise and besides to downsize the structure of a device, in a power converter which performs DC/DC conversion. SOLUTION: A plurality of single-phase inverters 20a, 20b, 20c, and 30d are connected in series to the latter part of a DC power source 1, and its latter part is equipped with a smoothing capacitor 6 which is connected via a smoothing diode 5, and a switch 4 for short-circuit which bypasses the smoothing capacitor 6. For the output of each of single-phase inverters 20a, 20b, 20c, and 30d, its control mode is switched according to the voltage of the DC power source 1, and in case that the output of each of single-phase inverters 20a, 20b, and 20c becomes zero in this control mode, all the semiconductor switch elements 21-24, 31-34, and 41-44 in the single-phase inverters are switched on to perform DC/DC conversion, making use of the charge/discharge of the DC power in the inverter circuit 20. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了降低功率损耗和噪声，以及在执行DC / DC转换的功率转换器中，以及小型化设备的结构。解决方案：多个单相逆变器20a，20b，20c和30d串联连接到直流电源1的后半部分，后一部分装有平滑电容器6，该平滑电容器6经过平滑二极管5和旁路滤波电容器6的短路开关4.对于各相逆变器20a，20b，20c，30d的输出，其控制模式根据直流电源1，并且在该控制模式中，在单相逆变器20a，20b和20c中的每一个的输出为零的情况下，所有半导体开关元件21-24,31-34和41-44中的所有半导体开关元件使用逆变器电路20中的直流电源的充放电，单相逆变器被接通以执行DC / DC转换。（C）2011，JPO和INPIT

5. 发明专利

JP2011055593A Power converter 有权
标题翻译：电源转换器
公开(公告)号：JP2011055593A
公开(公告)日：2011-03-17
申请号：JP2009199946
申请日：2009-08-31
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： IWATA AKIHIKO , KAWAKAMI TOMOYUKI
IPC分类号： H02M3/07
摘要： PROBLEM TO BE SOLVED: To reduce power loss and noise, facilitate reduction in size and weight of device configuration, and obtain a desired output voltage stably to a wide range of input voltage, in a power converter which performs DC/DC conversion. SOLUTION: The power converter includes a smoothing capacitor 6 which is connected via a rectifying diode 5 to the rear part of a plurality of single-phase inverters 20a and 20b connected in series to the rear part of a DC power source 1, and a switch 4 for short-circuit which bypasses the smoothing capacitor 6. Then, a plurality of control modes including combinations of output control of each of single-phase inverters 20a and 20b and ON-OFF control of a switch for short-circuit, are set in advance. A boosting ratio is selected by switching and using each control mode according to the voltage of a DC power source 1. DC/DC conversion is performed by utilizing charging/discharging of the DC power of each of the single-phase inverters 20a and 20b. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题为了降低功率损耗和噪声，在执行DC / DC转换的功率转换器中，便于减小器件配置的尺寸和重量，并且在宽范围的输入电压下稳定地获得期望的输出电压。解决方案：功率转换器包括平滑电容器6，其经由整流二极管5连接到与DC电源1的后部串联连接的多个单相逆变器20a和20b的后部，以及绕过平滑电容器6的短路开关4.然后，包括单相逆变器20a和20b中的每一个的输出控制的组合的多个控制模式和用于短路的开关的ON-OFF控制，提前设定。通过根据直流电源1的电压切换和使用每个控制模式来选择升压比。通过利用每个单相逆变器20a和20b的直流电力的充电/放电来执行DC / DC转换。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2010094024A Power conversion apparatus 有权
标题翻译：功率转换装置
公开(公告)号：JP2010094024A
公开(公告)日：2010-04-22
申请号：JP2010017589
申请日：2010-01-29
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： IWATA AKIHIKO , SETO MAKOTO , HARADA SHIGEKI , YAMADA MASAKI
IPC分类号： H02M7/497 , H02M7/48
摘要： PROBLEM TO BE SOLVED: To reduce loss and improve the efficiency in a power conversion apparatus that performs conversion to alternating current after stepping up a solar voltage, and supplies the resulting alternating current power to a load or a system.
SOLUTION: The alternating current sides of single-phase inverters 1B-INV, 2B-INV, and 3B-INV are connected in series in an inverter unit 1 where direct-current power supplies V
1B , V
2B , and V
3B with a voltage ratio of 1:3:9 are used as input voltage sources. The inverter unit 1 controls the output voltage in multiple stages by the sum of the generated voltages. A chopper circuit 3 steps up a solar voltage V
O to generate the maximum direct-current power supply V
3B . The voltage of the direct-current power supply V
3B is set such that the total variable power by charging and discharging the direct-current power supplies V
1B and V
2B via respective single-phase inverters 1B-INV and 2B-INV is roughly zero.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决的问题：为了减少在升高太阳能电压之后进行交流电转换的电力转换装置的损耗并提高效率，并且将所得到的交流电力提供给负载或系统。解决方案：单相逆变器1B-INV，2B-INV和3B-INV的交流侧串联连接在逆变器单元1中，其中直流电源提供V SB 1B 使用电压比为1:3:9的V 2B 和V 3B 作为输入电压源。逆变器单元1通过产生的电压的和来多级地控制输出电压。斩波电路3升高太阳能电压V SB，以产生最大直流电源V SB SB。直流电源V SB 3的电压被设定为使得通过对直流电源V SB1和SBB的充电和放电的总可变功率进行设定， 2B 通过各自的单相逆变器1B-INV和2B-INV大致为零。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2009219249A Dc-dc power converter 有权
标题翻译： DC-DC电源转换器
公开(公告)号：JP2009219249A
公开(公告)日：2009-09-24
申请号：JP2008060401
申请日：2008-03-11
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： URAKABE TAKAHIRO , OKUDA TATSUYA , IWATA AKIHIKO , MAEKAWA HIROTOSHI , KOBAYASHI MASARU , IKEDA MATAHIKO
IPC分类号： H02M3/07 , H02M7/10
摘要： PROBLEM TO BE SOLVED: To provide a DC-DC converter can unfailingly perform conversion operation, at stepping up/down of voltage at a high conversion efficiency, and of being miniaturized. SOLUTION: A plurality of circuits A1-A4 each formed, by connecting a smoothing capacitor in parallel to a serial body of semiconductor switching elements on the high-voltage side and the low-voltage side are serially connected. Capacitors Cr and inductors Lr are arranged between a circuit A1 of the circuits and the other circuits A2-A4. A predetermined circuit is used as an inverter circuit and the other circuits are each used as a rectification circuit, and DC-DC power conversion is executed by charging/discharging of each of the capacitors Cr. In this case, a determining means 14 determines a direction in which energy flows between voltage terminal pairs on the low-voltage side and high-voltage side, and a gate signal generating means 15 individually generates an inverter gate signal for driving the switching element and a rectification gate signal, in response to the result of the determination. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供DC-DC转换器，可以在高转换效率的升压/降压和小型化的同时进行转换操作。解决方案：通过将平滑电容器并联连接到高压侧和低压侧上的半导体开关元件的串行体而形成的多个电路A1-A4串联连接。电容器Cr和电感器Lr布置在电路的电路A1和其它电路A2-A4之间。使用预定电路作为逆变器电路，其他电路各自用作整流电路，并且通过每个电容器Cr的充电/放电来执行DC-DC电力转换。在这种情况下，确定装置14确定在低压侧和高压侧之间的电压端子对之间的能量流动的方向，并且门信号发生装置15分别产生用于驱动开关元件的反相器门信号，整流门信号，响应于确定的结果。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2009219248A Dc-dc power converter 有权
标题翻译： DC-DC电源转换器
公开(公告)号：JP2009219248A
公开(公告)日：2009-09-24
申请号：JP2008060400
申请日：2008-03-11
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： URAKABE TAKAHIRO , OKUDA TATSUYA , IWATA AKIHIKO , MAEKAWA HIROTOSHI , KOBAYASHI MASARU , IKEDA MATAHIKO
IPC分类号： H02M3/07 , H02M7/10
摘要： PROBLEM TO BE SOLVED: To provide a DC-DC converter, can unfailingly perform conversion operation at stepping up/down of voltage, at a high conversion efficiency.
SOLUTION: A plurality of circuits A1-A4, each being formed by connecting a smoothing capacitor in parallel with a serial body of semiconductor switching elements on a high voltage side and a low voltage side are mutually connected, while a serial body of capacitors Cr and inductors Lr are arranged serially. Of the circuits, a predetermined circuit is used as an inverter circuit, and the other circuits are each used as a rectification circuit, DC-DC power conversion is executed by charging/discharging of the capacitor Cr. In this case, a determining means 14 decides the direction in which energy flows between voltage terminal pairs on the low-voltage side and high-voltage side, and a gate signal generating means 15 individually generates an inverter gate signal for driving the switching element and a rectifying gate signal, in response to the result of determination.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供DC-DC转换器，可以以高的转换效率，可以在升压/降压的情况下，可靠地进行转换操作。解决方案：通过将平滑电容器与高电压侧和低压侧的半导体开关元件的串联体并联连接而形成的多个电路A1-A4相互连接，而串联体电容器Cr和电感器Lr串联布置。在这些电路中，使用预定电路作为逆变器电路，其他电路均用作整流电路，通过电容器Cr的充电/放电来执行DC-DC电力转换。在这种情况下，确定装置14决定低压侧和高压侧的电压端子对之间的能量流动的方向，栅极信号生成单元15分别产生用于驱动开关元件的反相门控信号，整流门信号，响应于确定的结果。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2009153316A Power conversion apparatus 有权
标题翻译：功率转换装置
公开(公告)号：JP2009153316A
公开(公告)日：2009-07-09
申请号：JP2007329971
申请日：2007-12-21
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： FUJIWARA KENJI , IWATA AKIHIKO , KAWAKAMI TOMOYUKI , ITO HIROSHI
IPC分类号： H02M7/48
摘要： PROBLEM TO BE SOLVED: To obtain power conversion apparatus which prevents the breakage of a semiconductor switching element by effectively suppressing a surge with a countermeasure that enables the miniaturization and the lower loss of itself. SOLUTION: In the power conversion apparatus, which includes an output polarity fixed arm, in which two arms with semiconductor switching elements are connected in series between DC lines and which is switched when the output polarity switches from positive to negative or from negative to positive, and a PWM switching arm, in which two arms with semiconductor switching elements are connected in series between the DC lines and which regulates an output value by being PWM-switched, and which converts power between DC and AC, using each series junction as an AC terminal, capacitors are connected severally between the drain terminals and the source terminals of the individual semiconductor switching elements of the output polarity fixed arm. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：获得能够通过有效地抑制浪涌而防止半导体开关元件断裂的电力转换装置，其具有能够实现小型化和较低自身损耗的对策。解决方案：在包括输出极性固定臂的电力转换装置中，其中具有半导体开关元件的两个臂串联在DC线之间，并且当输出极性从正极转换为负极或从负极切换时切换和PWM开关臂，其中具有半导体开关元件的两个臂串联连接在DC线之间，并且通过PWM切换来调节输出值，并且使用每个串联结转换DC和AC之间的功率作为AC端子，电容器分别连接在输出极性固定臂的各个半导体开关元件的漏极端子和源极端子之间。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2008289216A Power converter 有权
标题翻译：电源转换器
公开(公告)号：JP2008289216A
公开(公告)日：2008-11-27
申请号：JP2007129124
申请日：2007-05-15
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KISHIDA YUKIMORI , FUJII TOSHIYUKI , OGUSA SHINICHI , IWATA AKIHIKO
IPC分类号： H02M7/48
摘要： PROBLEM TO BE SOLVED: To obtain a power converter capable of allowing a DC voltage of a power storage device of a DC link voltage generating circuit to be constant even in regenerative operation, and allowing operation to continue even if a DC voltage source is not provided in the DC link voltage generating circuit. SOLUTION: The power converter 14 is provided with a 1-pulse converter 1 connected to a system power supply 9, a DC link main capacitor 2, and a DC link voltage generating circuit 3 disposed between the 1-pulse converter 1 and the DC link main capacitor 2. The power converter 14 has a function of supplying power from the system power supply 9 to the DC link main capacitor 2, and a function of supplying power from the DC link main capacitor 2 to the system power supply 9. The DC link voltage generating circuit 3 has a voltage generating circuit composed of an inverter 15 and a capacitor 10 connected to the inverter 15, and controls the output of the inverter 15 so that deviation between a set value of a DC voltage of the capacitor 10 and a measured value may become small. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了获得能够允许直流链路电压产生电路的蓄电装置的直流电压即使在再生操作中也是恒定的电力转换器，并且即使直流电压源没有设置在直流链路电压发生电路中。解决方案：电源转换器14设置有连接到系统电源9，直流链路主电容器2和直流链路电压发生电路3的1脉冲转换器1，该直流链路电容器2设置在1脉冲转换器1和直流母线电容器2.功率转换器14具有从系统电源9向直流母线电容器2供电的功能，以及从直流母线电容器2向系统电源9供电的功能直流链路电压发生电路3具有由逆变器15和与逆变器15连接的电容器10构成的电压发生电路，控制逆变器15的输出，使得电容器的直流电压的设定值 10并且测量值可能变小。版权所有（C）2009，JPO＆INPIT

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式