公开(公告)号：US06995994B2

公开(公告)日：2006-02-07

申请号：US10488289

申请日：2002-09-17

申请人： Bo Bijlenga ,  Peter Lundberg ,  Tomas Jonsson ,  Nicklas Johansson ,  Esie Ramezani

发明人： Bo Bijlenga ,  Peter Lundberg ,  Tomas Jonsson ,  Nicklas Johansson ,  Esie Ramezani

IPC分类号： H02H7/00

CPC分类号： H02M7/4826 ,  H02M1/32 ,  H02M2001/0009

摘要： The invention relates to a converter provided with a resonant circuit (16), which converter comprises a device (31) for measuring the derivative (dI/dt) of the current through the current valves 82, 3) and a detection device (32) co-operating with said measuring device (31) for detecting a short-circuit in the converter, the detection device (32) being adapted to detect a short-circuit current when the current derivative (dI/dt) measured by the measuring device (31) is equal to or exceeds a stipulated current derivative limit value (dI/dtlim) during a length of time exceeding a stipulated time limit value (tlim). The invention also relates to a method for controlling such a converter.

摘要翻译： 本发明涉及一种具有谐振电路（16）的转换器，该转换器包括用于测量通过电流阀82,3的电流的导数（dI / dt）和检测装置（32）的装置（31） 与所述测量装置（31）配合用于检测转换器中的短路，检测装置（32）适于在由测量装置测量的电流导数（dI / dt）时检测短路电流 31）等于或超过规定的电流微分极限值（dI / dt），在超过规定的时间限制值的时间内（t ）。 本发明还涉及一种用于控制这种转换器的方法。