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Method and apparatus for measuring electric curren

2024-04-02 来源:易榕旅网
专利内容由知识产权出版社提供

专利名称:Method and apparatus for measuring

electric currents or tensions in a plurality ofcurrent or voltage circuits

发明人:KUSSEROW, BERND申请号:EP79100611.7申请日:19790301公开号:EP0004037B1公开日:19830413

摘要:method and device for mesaung electrical currents and \\/ or tension in amajority of electricity or spannungskreisen with power or voltage of each circuit arecompared with a benchmark. this is a possibility, with the rapid changes in the

signalverhatten recorded and displayed.using spitzenwertmesaem with very large timeconstant to such rapid changes for the rapid correction of spitzenwertanzeige are used.according to the invention, this is achieved by that everyone in a single currentorspannungskreis (1, 2, 3) separately in power or voltage in a specially assignedcomparator (29; 30,31), with a mean value is compared to the electricity or all theelectricity and spannungawerten spannungskreise is formed. the output signals of thefault and back face are in nichtgleichheit of electricity orspannungswerten with themedian in vorgebbarer border on a separately allocated anzeigemittel (41 to 43)displayed the invention finds its use in particular for measuring the peak value ofmittelfrequerustr\ömen in mittelfrequenzstromkreisen in electromedical fnterferenzstromtherapie (fi, respectively).

申请人:SIEMENS AKTIENGESELLSCHAFT

地址:Wittelsbacherplatz 2 80333 München DE

国籍:DE

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