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1. 发明公开

EP3012956A1 CONTROLLER FOR CONTROLLING A POWER CONVERTER 有权转让
标题翻译： 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
发明人： Jacques, Russell , Coulson, David , van der Duijn Schouten, Nicolaas
IPC分类号： H02M3/337
CPC分类号： H02M3/33507 , H01F38/20 , H02M1/083 , H02M3/337 , H02M3/338 , H02M3/3385 , H02M7/5383 , H02M2001/0009 , H03K17/13 , H03K17/133
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。

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