公开(公告)号：WO2011051096A3

公开(公告)日：2011-09-15

申请号：PCT/EP2010065064

申请日：2010-10-08

Applicant: SIEMENS AG ,  YAO JI LONG ,  KE JING ,  SONG YING HUA ,  WU XUE ZHI ,  ZHAO YAN FENG

Inventor： YAO JI LONG ,  KE JING ,  SONG YING HUA ,  WU XUE ZHI ,  ZHAO YAN FENG

IPC: H02M7/757

CPC classification number: H02M7/757 ,  H02M2001/007

Abstract: The present invention discloses an AC-DC converter comprising: a three-phase thyristor based converter, a simplified insulated gate bipolar transistor (IGBT) based full-bridge converter, and an inductor connected between them; in the driving mode, the three-phase thyristor based converter works as an AC-DC rectifier, and the simplified IGBT based full-bridge converter works as a boost chopper circuit, and controls the inductor to suppress the current harmonic of the power supply network, so as to increase the power factor; in the regeneration braking mode, the three- phase thyristor based converter feeds the regenerated energy back to the power supply system for energy recovery. The present invention also discloses an inverter. Use of said solution of the present invention can not only increase the power factor, but can also achieve energy recovery at a lower cost.

Abstract translation: 本发明公开了一种AC-DC转换器，包括：基于三相晶闸管的转换器，简化的基于绝缘栅双极晶体管（IGBT）的全桥转换器和连接在它们之间的电感器; 在驱动模式下，三相晶闸管转换器用作AC-DC整流器，简化的IGBT全桥转换器作为升压斩波电路，控制电感抑制电源网络的电流谐波 ，以增加功率因数; 在再生制动模式中，基于三相可控硅的转换器将再生能量馈送回供电系统进行能量回收。 本发明还公开了一种逆变器。 使用本发明的所述溶液不仅可以提高功率因数，而且能够以更低的成本实现能量回收。

公开(公告)号：WO2011092302A2

公开(公告)日：2011-08-04

申请号：PCT/EP2011051245

申请日：2011-01-28

Applicant: SIEMENS AG ,  WU XUE ZHI ,  KE JING ,  YAO JI LONG

Inventor： WU XUE ZHI ,  KE JING ,  YAO JI LONG

CPC classification number: H02J3/36 ,  H02J3/386 ,  H02M3/07 ,  Y02E10/763 ,  Y02E60/60

Abstract: The present invention pertains to an electric energy grid connecting system and an electric energy transmission system and method, wherein the electric energy transmission system comprises: N generation units for generating N alternating currents (ACs) where N is an integer larger than 1; N rectifiers for translating said N ACs into N direct currents (DCs); and a booster for boosting the DC with a first voltage from the parallel connection of said N DCs to the DC with a second voltage for high-voltage DC (HVDC) transmission and outputting the DC with said second voltage to the HVDC transmission link for transmitting. With the electric energy grid connecting system and the electric energy transmission system and method, there is no need for diversifying the design of generation units.

Abstract translation: 电能传输系统和方法技术领域本发明涉及电能格栅连接系统和电能传输系统和方法，其中电能传输系统包括：N个产生单元，用于产生N个交流电（AC），其中N是大于1的整数; N个整流器，用于将所述N个AC转换为N个直流（DC）; 以及升压器，用于利用来自所述N个DC的并联连接的第一电压将所述DC升压至具有用于高压DC（HVDC）传输的第二电压的DC，并将具有所述第二电压的DC输出至所述HVDC传输链路以用于传输 。 采用电网并网系统和电能传输系统和方法，不需要对发电机组的设计进行多样化。

公开(公告)号：WO2011012689A3

公开(公告)日：2011-06-03

申请号：PCT/EP2010061084

申请日：2010-07-30

Applicant: SIEMENS AG ,  WU XUE ZHI ,  KE JING ,  SONG YING HUA ,  YAO JI LONG ,  ZHAO YAN FENG

Inventor： WU XUE ZHI ,  KE JING ,  SONG YING HUA ,  YAO JI LONG ,  ZHAO YAN FENG

IPC: H02M5/458 ,  H02M7/49

CPC classification number: H02M5/4585 ,  H02M7/49

Abstract: This invention discloses a high-voltage frequency conversion device, which comprises a phase-shifting transformer and 3n power units, wherein every n power units are serially connected to form one phase, three phases are connected in the Y pattern to output to the load device, and n is a positive integer, wherein the secondary stage of said phase-shifting transformer is connected to said 3n power units and supplies power to the first-stage circuit of every power unit; said every power unit is an AC-AC converting circuit comprising two stages of circuits, wherein the first-stage circuit is a three-phase full-bridge comprising semiconductor power devices that can be turned off, the second-stage circuit is an inverter bridge comprising semiconductor power devices that can be turned off, and the two output terminals of said first-stage circuit are only corresponding to and connected to the two input terminals of the second-stage circuit. The high-voltage frequency conversion device provided in the embodiments of this invention is more environmentally responsible in addition to the benefits of lower cost, more stable performance, and smaller size and lighter weight.

Abstract translation: 本发明公开了一种高压变频装置，包括一个移相变压器和3n个功率单元，其中每n个功率单元串联连接形成一相，三相以Y模式连接输出到负载装置 并且n是正整数，其中所述移相变压器的次级级连接到所述3n个功率单元并且向每个功率单元的第一级电路供电; 所述每个电源单元是包括两级电路的AC-AC转换电路，其中所述第一级电路是包括可以关断的半导体功率器件的三相全桥，所述第二级电路是逆变桥 包括可以关断的半导体功率器件，并且所述第一级电路的两个输出端仅对应于并连接到第二级电路的两个输入端。 在本发明的实施例中提供的高压变频装置除了降低成本，更稳定的性能以及更小的尺寸和更轻的重量的优点之外，对环境负责。