VERFAHREN ZUR STEUERUNG EINES MEHRPHASIGEN UMRICHTERS
    3.
    发明公开
    VERFAHREN ZUR STEUERUNG EINES MEHRPHASIGEN UMRICHTERS 有权
    一种用于控制驱动多相

    公开(公告)号:EP2786462A2

    公开(公告)日:2014-10-08

    申请号:EP12805940.9

    申请日:2012-11-29

    IPC分类号: H02J3/00 H02P21/06 H02M7/00

    摘要: The invention specifies a method for controlling a multiphase converter which comprises a number of half bridges connected into an intermediate voltage circuit and having center taps between switching elements, wherein, by means of the cyclic switching of the switching elements, the respective center taps of the half bridges are connected to an upper intermediate circuit rail or to a lower intermediate circuit rail of the intermediate voltage circuit according to the principle of pulse width modulation. According to the invention, the switching elements of at least one half bridge are driven in a modified manner, at least in some time intervals, in that the switching pulses of at least two consecutive periods of the pulse width modulation are concatenated directly in time as one switching pulse. In this way, the switching frequencies of the correspondingly driven switching elements and thus the switching losses of the latter can be further reduced.

    Alimentation secteur à haut rendement pour tubes fluorescents
    6.
    发明公开
    Alimentation secteur à haut rendement pour tubes fluorescents 失效
    Netzspeisung hoher LeistungfürGasentladungslampen。

    公开(公告)号:EP0022699A1

    公开(公告)日:1981-01-21

    申请号:EP80400960.3

    申请日:1980-06-26

    IPC分类号: H05B41/29

    摘要: L'invention concerne les convertisseurs statiques du type à auto-oscillateur symétrique, propres à transformer un courant continu à tension élevée en courant alternatif à fréquence et puissance déterminées.
    L'auto-oscillateur suivant l'invention comprend deux moyens commutateurs montés en amplificateurs à électrode commune. L'alimentation en courant continu est réalisée à part du courant secteur redressé par un pont de diodes chargeant un condensateur réservoir. L'un des pôles de l'alimentation est connecté à l'auto-oscillateur par l'intermédiaire d'un circuit limiteur de tension qui permet de moduler la puissance appliquée à la charge en fonction de la lumière ambiante. Un circuit de correction de déphasage est intercalé entre le réseau et le redresseur.
    Le dispositif est apte à réaliser l'alimentation de tubes fluorescents tout en limitant au minimum la consommation énergétique.

    摘要翻译: 本发明涉及具有对称自振荡器类型的静态逆变器,其能够将高压直流电转换成具有指定频率和指定功率的交流电。 自振荡器包括配置为具有公共电极的放大器的两个开关装置。 直流电源由电源电流提供,由二极管桥整流,对蓄电池充电。 电源中的一个极通过限制电路连接到自振荡器,该电压允许调制作为环境光的函数的负载的功率。 在电源和整流器之间插入一个用于相移校正的电路。 该设备能够提供荧光灯管,同时最大限度地降低能耗。

    A RESONANT DC-DC POWER CONVERTER ASSEMBLY
    7.
    发明公开
    A RESONANT DC-DC POWER CONVERTER ASSEMBLY 审中-公开
    荣幸GLEICHSTROMWANDLERANORDNUNG

    公开(公告)号:EP3132531A1

    公开(公告)日:2017-02-22

    申请号:EP15714540.0

    申请日:2015-04-14

    发明人: MADSEN, Mickey P.

    摘要: The present invention relates to a resonant DC-DC power converter assembly comprising a first resonant DC-DC power converter and a second resonant DC-DC power converter having identical circuit topologies. A first inductor of the first resonant DC-DC power converter and a second inductor of the second resonant DC-DC power converter are configured for magnetically coupling the first and second resonant DC-DC power converters to each other to forcing substantially 180 degrees phase shift, or forcing substantially 0 degree phase shift, between corresponding resonant voltage waveforms of the first and second resonant DC-DC power converters. The first and second inductors are corresponding components of the first and second resonant DC-DC power converters.

    摘要翻译: 本发明涉及一种包括第一谐振DC-DC功率转换器和具有相同电路拓扑的第二谐振DC-DC功率转换器的谐振DC-DC功率转换器组件。 第一谐振DC-DC功率转换器的第一电感器和第二谐振DC-DC功率转换器的第二电感器被配置为将第一和第二谐振DC-DC功率转换器彼此磁耦合,以强制基本上180度的相移 或者在第一和第二谐振DC-DC功率转换器的对应谐振电压波形之间强制基本上0度的相移。 第一和第二电感器是第一和第二谐振DC-DC功率转换器的对应部件。

    CONTROLLER FOR CONTROLLING A POWER CONVERTER
    8.
    发明公开
    CONTROLLER FOR CONTROLLING A POWER CONVERTER 审中-公开
    STEUERUNG ZUR STEUERUNG EINES STRMWANDLERS

    公开(公告)号:EP3012956A1

    公开(公告)日:2016-04-27

    申请号:EP15192083.2

    申请日:2011-03-24

    申请人: Jacques, Russell

    IPC分类号: H02M3/337

    摘要: A power converter controller and methods for its operation are provided that can control a power converter using estimates of the output power of the converter without requiring a connection to the secondary side of the converter transformer. A self-oscillating power converter that uses a Bipolar Junction Transistor (BJT) as a switch by manipulating the current flowing in a control winding is also provided. The controller is able to determine the optimum time to remove a short circuit applied to the control winding, as well as being able to determine the optimum time to pass current through the control winding. The controller can further draw power from the power converter using the control winding. The controller is capable of maintaining the midpoint voltage of the power converter in the case that the converter has more than one switch. The controller further controls entry and exit into a low-power mode in which converter oscillations are suppressed.

    摘要翻译: 提供了一种功率转换器控制器及其操作方法,其可以使用对转换器的输出功率的估计来控制功率转换器,而不需要连接到转换器变压器的次级侧。 还提供了通过操纵在控制绕组中流动的电流而使用双极结晶体管(BJT)作为开关的自振荡功率转换器。 控制器能够确定去除施加到控制绕组的短路的最佳时间,以及能够确定通过控制绕组的电流的最佳时间。 控制器可以使用控制绕组进一步从功率转换器中获取电力。 在转换器有多个开关的情况下,控制器能够维持功率转换器的中点电压。 控制器进一步控制进入和退出转换器振荡被抑制的低功率模式。