专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

51. 发明申请

WO2009012008A3 METHODS AND APPARATUS FOR THREE-PHASE INVERTER WITH REDUCED ENERGY STORAGE 审中-公开
标题翻译：具有降低能源储存的三相逆变器的方法和装置
公开(公告)号：WO2009012008A3
公开(公告)日：2009-04-02
申请号：PCT/US2008067083
申请日：2008-06-16
申请人： RAYTHEON CO , HOLMANSKY EVGENY N , JACOBSON BORIS S
发明人： HOLMANSKY EVGENY N , JACOBSON BORIS S
IPC分类号： H02M7/48 , H02M7/487 , H02M7/497
CPC分类号： H02M1/42 , H02M7/4826 , H02M7/487 , H02M7/493 , H02M7/53871 , Y02B70/12 , Y10T307/685 , Y10T307/707
摘要： Methods and apparatus for a circuit including first and second energy sources (102,104), a rectifier coupled to the first and second energy sources, first and second energy storage devices (cl,c2) coupled end-to-end across the positive and negative rails, and a single three-level inverter (108) coupled to the rectifier for providing three-phase sinusoidal output voltages.
摘要翻译：用于包括第一和第二能量源（102,104），耦合到第一和第二能量源的整流器的电路的方法和装置，跨越正和负极轨道端对端地耦合的第一和第二能量存储装置（c1，c2）以及耦合到整流器的单个三电平逆变器（108），用于提供三相正弦输出电压。

52. 发明申请

WO02037659A1 MULTI-LEVEL QUASI-RESONANT POWER INVERTER 审中-公开
标题翻译：多电平谐振电力逆变器
公开(公告)号：WO02037659A1
公开(公告)日：2002-05-10
申请号：PCT/US2001/027101
申请日：2001-08-31
IPC分类号： H02M7/48 , H02M7/483 , H02M7/487 , H02M7/5387
CPC分类号： H02M7/483 , H02M7/487 , H02M2007/4815 , Y02B70/1441
摘要： A power inverter includes a multi-level switching circuit for switching between any two voltage levels selected from a set of N voltage levels. The switching circuit includes at least N+1 switching elements. Each switching element has a corresponding resonant capacitor connected parallel to it. As the switching elements turn on and off, different ones of the resonant capacitors cooperate with a resonant inductor connected to a pole of the switching circuit and with an output capacitor in maintaining a resonance condition as seen from the active switching elements.
摘要翻译：电力逆变器包括用于在从一组N个电压电平中选择的任何两个电压电平之间切换的多电平开关电路。开关电路至少包括N + 1个开关元件。每个开关元件具有与其平行连接的对应的谐振电容器。当开关元件导通和断开时，不同的谐振电容器与连接到开关电路的极点的谐振电感器和与有源开关元件一起保持谐振状态的输出电容器配合。

53. 发明申请

WO9940676A9 A CONVERTER DEVICE 审中-公开
标题翻译：转换器设备
公开(公告)号：WO9940676A9
公开(公告)日：2002-01-03
申请号：PCT/SE9802273
申请日：1998-12-10
申请人： ABB AB , BIJLENGA BO
发明人： BIJLENGA BO
IPC分类号： H02M7/48 , H02M7/487 , H02M7/797
CPC分类号： H02M7/487
摘要： A device for converting alternating voltage into direct voltage and conversely comprises in a series connection between the poles (5, 6) of a direct voltage side at least four units (1-4) each consisting of a semiconductor element (10-13) of turn-off type and a first diode (14) connected in anti-parallel therewith. A first mid-point (15) of the series connection is connected to an alternating voltage phase line (16) and forms a phase output. Second mid-points (18, 19) of the series connection are connected to a mid-point of the direct voltage side (9) through such units (20, 22 and 21, 23, respectively). An apparatus (24) is adapted to control the semiconductor elements (11, 12) with a pulse width modulation frequency of at least one order of magnitude higher than the fundamental frequency of the alternating voltage of the phase line (16) and the rest of the semiconductor elements (10, 13, 22, 23) with a frequency being substantially lower and within or close to the frequency range one or a couple of times of said fundamental frequency.
摘要翻译：一种用于将交流电压转换为直流电压的装置，并且相反地包括直流电压侧的极（5,6）之间的串联连接至少四个单元（1-4），每个单元包括半导体元件（10-13）关闭型和与其并联连接的第一二极管（14）。串联连接的第一中点（15）连接到交流电压相线（16）并形成相输出。串联的第二中点（18,19）通过这些单元（分别为20,22和21,23）连接到直流电压侧（9）的中点。一种装置（24）适于以比相线（16）的交流电压的基频高至少一个数量级的脉冲宽度调制频率来控制半导体元件（11,12），其余的所述半导体元件（10,13,22,23）的频率基本上较低且在所述基频的一个或几倍的频率范围内或接近所述基频的一或两倍。

54. 发明申请

WO01013504A1 METHOD FOR CONTROLLING NEUTRAL POINT POTENTIAL OF INVERTER OF NEUTRAL POINT CLAMPING TYPE 审中-公开
标题翻译：控制中性点钳位型逆变器中性点电位的方法
公开(公告)号：WO01013504A1
公开(公告)日：2001-02-22
申请号：PCT/JP2000/005347
申请日：2000-08-09
IPC分类号： H02M7/48 , H02M7/487
CPC分类号： H02M7/487
摘要： A method for controlling the neutral point potential of an inverter of neutral point clamping type irrespective of the power factor by measuring or predicting the phase current in a simple way. The output state taken by an inverter of three-phase neutral point clamping type is represented by a vector. Depending on the phase state where the voltage vector outputted from the inverter is contained between which vectors, the occurrence time ratio of a specific vector corresponding to the voltage vector is changed to stabilize the neutral point voltage. The time of the three-phase output voltage when six switched states where the positive bus (P), the negative bus (N), and the neutral line (O) are connected to respective three-phase output terminals are set up is controlled below a first preset value. The shortage of the output voltage due to the control is compensated by the six switched states except the two switched states where the three-phase output terminals are all connected to the positive bus (P) or the negative bus (N) among the eight switched states where each of the three-phase output terminals are connected to the positive bus (P) or negative bus (N).
摘要翻译：一种通过以简单的方式测量或预测相电流来控制中性点钳位型逆变器的中性点电位的方法，而与功率因数无关。三相中性点钳位型变频器的输出状态由矢量表示。根据从逆变器输出的电压矢量包含在哪个矢量之间的相位状态，改变与电压矢量对应的特定矢量的出现时间比，以稳定中性点电压。将正极母线（P），负母线（N）和中性线（O）连接到相应的三相输出端子的六个开关状态下的三相输出电压的时间控制在下面第一个预设值。由于控制引起的输出电压不足，除了三相输出端子全部连接到八路开关中的正母线（P）或负母线（N）之外的六个开关状态其中每个三相输出端子连接到正母线（P）或负母线（N）。

55. 发明申请

WO9422210A3 METHOD OF TRANSFORMING A DIRECT VOLTAGE INTO A PERIODICAL ALTERNATING VOLTAGE 审中-公开
标题翻译：将直接电压转换为周期性替代电压的方法
公开(公告)号：WO9422210A3
公开(公告)日：1994-11-10
申请号：PCT/AT9400033
申请日：1994-03-24
申请人： ENTEC ENERGIETECH GMBH , GIGLIFIORE FRANCO
发明人： GIGLIFIORE FRANCO
IPC分类号： H02M7/48 , H02M7/487
CPC分类号： H02M7/487
摘要： The invention concerns a method of transforming a direct voltage into a periodical alternating voltage with a positive and a negative half-wave having the same form, the take-off potentials of n series-connected direct-voltage sources (where n = 2, 3, 4, ...) being taken to an output in a continuously repeated series of given intervals of time, according to a predetermined sequence.

56. 发明申请

WO2023006370A1 VERFAHREN ZUM BETRIEB EINES WECHSELRICHTERS UND WECHSELRICHTER 审中-公开
公开(公告)号：WO2023006370A1
公开(公告)日：2023-02-02
申请号：PCT/EP2022/068782
申请日：2022-07-06
申请人： SMA SOLAR TECHNOLOGY AG
发明人： STICKELMANN, Uwe , UNRU, Alexander
IPC分类号： H02M1/36 , H02M7/5387 , H02S40/32 , H02M1/32 , H02M7/487
摘要： Die Anmeldung beschreibt ein Verfahren zum Betrieb eines Wechselrichters (100) mit einem Gleichstromeingang und einem Wechselstromausgang, bei dem der Gleichstromeingang mit einer DC-Quelle (10) verbindbar ist und Brückenzweige (125) einer Brückenschaltung (110) über Netzdrosseln (L1ac, L1ac_a, L1ac_b, L2ac, L2ac_a, L2ac_b,L3ac, L3ac_a, L3ac_b) mit dem Wechselstromausgang verbunden sind und der Wechselstromausgang über Trennschalter (GR) mit einem AC-Netz (20, 30) verbindbar ist, wobei der Wechselrichter (100) ausgelegt ist, in das AC-Netz (20, 30) elektrische Leistung einzuspeisen. Das Verfahren weist die Schritte auf: - Öffnen der Trennschalter (GR), - Ansteuern von Halbleiterschaltern (T1, T2, T3, T4, T5, T6) von mindestens zwei Brückenzweigen (125) der Brückenschaltung (110), die wechselstromseitig hinter zumindest einer Netzdrossel (L1ac, L1ac_a, L1ac_b, L2ac, L2ac_a, L2ac_b, L3ac, L3ac_a, L3ac_b) verbunden sind, derart, dass eine mit dem Gleichstromeingang verbundene DC-Quelle (10) belastet wird, wobei eine Gesamtheit von aus mindestens einem der mindestens zwei Brückenzweige (125) wechselstromseitig herausfließenden Strömen in ihrer Summe einer Gesamtheit von in mindestens einen anderen der mindestens zwei Brückenzweige (125) wechselstromseitig hineinfließenden Strömen entspricht. Die Anmeldung betrifft weiterhin einen Wechselrichter.

57. 发明申请

WO2023287424A1 CELL BASED MULTILEVEL CONVERTER WITH MULTIPLE OPERATING MODES AND ASSOCIATED CONTROL METHOD 审中-公开
公开(公告)号：WO2023287424A1
公开(公告)日：2023-01-19
申请号：PCT/US2021/041909
申请日：2021-07-16
申请人： SIEMENS AKTIENGESELLSCHAFT , SIEMENS INDUSTRY, INC.
发明人： MIHALACHE, Liviu
IPC分类号： H02M1/00 , H02M7/483 , H02M7/487 , H02M7/49
摘要： A multilevel converter (300, 310) includes a plurality of power cells (302, 304) receiving power from a source and supplying power to multiple output phases (U, V, W), wherein each output phase (U, V, W) includes a high voltage power cell (302) that is designed to output more than three voltage levels.

58. 发明申请

WO2022207513A1 BIDIREKTIONALER DC/DC-WANDLER UND BETRIEBSVERFAHREN 审中-公开
公开(公告)号：WO2022207513A1
公开(公告)日：2022-10-06
申请号：PCT/EP2022/058014
申请日：2022-03-25
申请人： KEBA INDUSTRIAL AUTOMATION GERMANY GMBH
发明人： VISOSKY, Johannes
IPC分类号： H02M1/00 , H02M3/158 , H02M1/44 , H02M7/487 , H02M1/0058
摘要： Die Erfindung betrifft einen bidirektionalen DC/DC-Wandler (10, 20, 30, 40, 50) zur Umwandlung einer eingangsseitigen Zwischenkreisspannung (Uzk) in eine Ausgangsspannung (Uout) und umgekehrt, insbesondere für eine transformatorlose Ladestation oder für einen Energiespeicher zur Zwischenspeicherung von Energie eines Servoantriebes. Der DC/DC-Wandler (10, 20, 30, 40, 50) umfasst eine Reihenschaltung zweier Halbbrücken (H1, H2) mit vier Halbleiterschaltern (T1, T2, T3, T4), wobei jede Halbbrücke (H1, H2) zwischen einer eingangsseitigen Zwischenkreis-Potentialschiene (ZK+, ZK-) mit Zwischenkreisspannung (Uzk) und einer Mittelpotentialschiene (ZM) mit symmetrischer, insbesondere erdsymmetrischer, Mittelspannung (UZK+, UZK-) geschaltet ist. Jeder Mittelabgriff (M1, M2) der Halbbrücke (H1, H2) wirkt mit einer Speicherdrossel (Ls+, Ls-) und einem Speicherkondensator (CS) so zusammen, dass zwei bidirektionale Synchronwandler in Reihe geschaltet sind. Es wird vorgeschlagen, dass am Mittelabgriff (M1, M2) jeder Halbbrücke (H1, H2) zumindest ein Umschwingkondensator (CZVS, CZVS+, CZVS-, CZVS++, CZVS+-, CZVS-+, CZVS--) angeschlossen ist.

59. 发明申请

WO2022204965A1 A MULTI-LEVEL POWER CONVERTOR, A MULTI-PHASE POWER CONVERTING CIRCUIT AND A METHOD FOR A MULTI-LEVEL POWER CONVERTOR 审中-公开
公开(公告)号：WO2022204965A1
公开(公告)日：2022-10-06
申请号：PCT/CN2021/084056
申请日：2021-03-30
申请人： ABB SCHWEIZ AG , YANG, Fu , SHI, Yaming
发明人： YANG, Fu , SHI, Yaming
IPC分类号： H02M7/483 , H02M7/487
摘要： Embodiments of present disclosure relate to a multi-level power convertor, a multi-phase power converting circuit and a method for a multi-level power convertor. The multi-level power convertor comprises a DC port; an AC port; a first power converting unit coupled to the DC port and comprising a first AC terminal adapted to provide a first plurality of voltage levels; a second power converting unit coupled to the DC port and comprising a second AC terminal adapted to provide a second plurality of voltage levels of the same number as the first plurality of voltage levels, wherein the second plurality of voltage levels are phase-shifted by 180 degrees with respect to the first plurality of voltage levels; a coupling inductor comprising first and second windings with the same number of turns, wherein the first winding comprises a first end coupled to the first AC terminal and a second end, the second winding comprises a third end coupled to the second AC terminal and a fourth end, and the second end of the first winding and the third end of the second winding are namesake ends of the first and second windings; and an inductive filtering unit arranged between the AC port and the second and fourth ends of the first and second windings.

60. 发明申请

WO2022157349A1 BI-DIRECTIONAL POWER CONVERTER 审中-公开
公开(公告)号：WO2022157349A1
公开(公告)日：2022-07-28
申请号：PCT/EP2022/051458
申请日：2022-01-24
申请人： SIEMENS AKTIENGESELLSCHAFT
发明人： KADAM, Abhijit
IPC分类号： H02M1/00 , H02M3/335 , H02M7/483 , H02M7/487 , H02M7/5388
摘要： A bi-directional power converter (200B), a control unit (104), a charging device (200A) and a method (600) for transferring power between an EV (106) and a power grid are provided. The bi-directional power converter (200B) includes an isolated DC-DC converter (102C) having a first stage (201) converting a DC voltage (V1) into a high frequency AC voltage (V1ac), a second stage (204) capable of converting a high frequency AC voltage (V2ac) having an amplitude V2 into the DC voltage (Vdc) having an amplitude of V2 or 2V2, and converting the DC voltage (Vdc) into a multi-level high frequency AC voltage (V2ac), and an intermediary stage (203) electrically coupled to the first and the second stages (201, 204), having a high frequency transformer of a turns ratio V1:V2.

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