专利名称：Temperature monitoring device for electric
motor
发明人：Haffner, Ken Yves,Schwery, Alexander申请号：EP11180962.0申请日：20110912公开号：EP2568583A1公开日：20130313
专利附图：
摘要：The monitoring device (1) for an electric machine comprises first optic fibres (2)for carrying a first optic signal, a first detector (3) connected to the first optic fibres (2)for converting the first optic signal into a first electric signal, a first process unit (4)
connected to the first detector (3) to process the first electric signal and ascertaining thetemperature of a component emitting the first optic signal. The first detector (3) includesa component (14) at a reference temperature, a sensor (15) receiving the first optic signalfrom the first optic fibre and a signal from the component (14) at the reference
temperature and arranged to elaborate a signal indicative of the differential temperaturebetween the temperature of a source of the first optic signal and the temperature of thecomponent (14) at a reference temperature.
申请人：Alstom Hydro France
地址：3 Avenue André Malraux 92300 Levallois Perret FR
国籍：FR
代理机构：Pesce, Michele
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