公开(公告)号：US08687383B2

公开(公告)日：2014-04-01

申请号：US13616076

申请日：2012-09-14

Applicant: Bin Wang ,  Shouyan Wang ,  Xibing Ding ,  Hongyang Wu ,  Shaohua Chen

Inventor： Bin Wang ,  Shouyan Wang ,  Xibing Ding ,  Hongyang Wu ,  Shaohua Chen

IPC: H02M3/335 ,  H02M1/14

CPC classification number: H02J3/1842 ,  H02J3/1857 ,  H02M7/003 ,  Y02E40/22 ,  Y02E40/26

Abstract: An inverter and an active power filter system have been disclosed in the invention, so that the application range of the inverter under the occasions of different capacitor requirement can be widened, the cost can be decreased, and the efficiency can be improved. The technical scheme is: an auxiliary capacitor module can be added on the traditional inverter structure and connected in parallel selectively with the capacitor in the inverter. In a system without connecting an external auxiliary capacitor module, the value of capacitance can be designed to be smaller to satisfy the application under normal occasions. If the device operates under the occasions having large harmonic current or having large neutral line current, the ripple current on the capacitor will be larger so that large capacitance will be required to satisfy the life requirement, therefore, the problem can be solved by a method of installing an auxiliary capacitor module.

Abstract translation: 本发明公开了一种逆变器和有源电力滤波器系统，可以扩大变频器在不同电容器要求下的应用范围，降低成本，提高效率。 技术方案是：可以在传统的逆变器结构上添加一个辅助电容器模块，并且与变频器中的电容器并联连接。 在没有连接外部辅助电容器模块的系统中，电容值可以设计得更小，以满足正常情况下的应用。 如果器件在大谐波电流或具有大的中性线电流的情况下工作，则电容器上的纹波电流将较大，从而需要较大的电容以满足使用寿命要求，因此该问题可以通过一种方法 安装辅助电容器模块。

公开(公告)号：US20130229837A1

公开(公告)日：2013-09-05

申请号：US13616076

申请日：2012-09-14

Applicant: Bin Wang ,  Shouyan Wang ,  Xibing Ding ,  Hongyang Wu ,  Shaohua Chen

Inventor： Bin Wang ,  Shouyan Wang ,  Xibing Ding ,  Hongyang Wu ,  Shaohua Chen

IPC: H02M7/537 ,  H02M1/14

CPC classification number: H02J3/1842 ,  H02J3/1857 ,  H02M7/003 ,  Y02E40/22 ,  Y02E40/26

Abstract: An inverter and an active power filter system have been disclosed in the invention, so that the application range of the inverter under the occasions of different capacitor requirement can be widened, the cost can be decreased, and the efficiency can be improved. The technical scheme is: an auxiliary capacitor module can be added on the traditional inverter structure and connected in parallel selectively with the capacitor in the inverter. In a system without connecting an external auxiliary capacitor module, the value of capacitance can be designed to be smaller to satisfy the application under normal occasions. If the device operates under the occasions having large harmonic current or having large neutral line current, the ripple current on the capacitor will be larger so that large capacitance will be required to satisfy the life requirement, therefore, the problem can be solved by a method of installing an auxiliary capacitor module.

Abstract translation: 本发明公开了一种逆变器和有源电力滤波器系统，可以扩大变频器在不同电容器要求下的应用范围，降低成本，提高效率。 技术方案是：可以在传统的逆变器结构上添加一个辅助电容器模块，并且与变频器中的电容器并联连接。 在没有连接外部辅助电容器模块的系统中，电容值可以设计得更小，以满足正常情况下的应用。 如果器件在大谐波电流或具有大的中性线电流的情况下工作，则电容器上的纹波电流将较大，从而需要大电容以满足使用寿命要求，因此该问题可以通过一种方法 安装辅助电容器模块。

公开(公告)号：US20130082528A1

公开(公告)日：2013-04-04

申请号：US13444345

申请日：2012-04-11

Applicant: Bin Wang ,  Xibing Ding ,  Yaping Yang ,  Hongyang Wu

Inventor： Bin Wang ,  Xibing Ding ,  Yaping Yang ,  Hongyang Wu

IPC: H02J3/00

CPC classification number: H02M1/084 ,  H02M1/40 ,  H02M7/068 ,  H02M7/487 ,  H02M2001/008 ,  Y10T307/438

Abstract: An active isolated power supply with multiple outputs is provided. The power supply includes N transformers T1˜Tn connected to output terminals of AC source, the primary circuits of transformers T1˜Tn are connected in parallel with each other, wherein N is a positive integral number equals to or greater than 2, and N switching devices S1˜Sn or N−1 switching devices S1˜Sn−1 connected in series with the primary circuits of transformers T1˜Tn respectively, to restrict the current direction of the primary circuits of transformers T1˜Tn. Herein, N output power supplies isolated with each other are generated on the secondary sides of transformers T1˜Tn. Therefore, flow direction of current in the primary sides of the transformers is fixed by present invention, such that each transformer can accomplish magnetic reset in one operation period, thereby avoiding the occurrence of current circulation between the primary circuits.

Abstract translation: 提供具有多个输出的主动隔离电源。 电源包括连接到AC电源的输出端的N个变压器T1〜Tn，变压器T1〜Tn的一次电路彼此并联连接，其中N是等于或大于2的正整数，N个开关 分别与变压器T1〜Tn的主电路串联连接的S1〜Sn或N-1个开关元件S1〜Sn-1，以限制变压器T1〜Tn的初级电路的电流方向。 这里，在变压器T1〜Tn的次级侧产生彼此隔离的N个输出电源。 因此，通过本发明固定变压器的一次侧的电流的流动方向，使得每个变压器可以在一个操作周期内实现磁复位，从而避免了初级电路之间的电流循环的发生。