Temperature monitoring device for electric motor
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 detec...
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Format: | Patent |
Sprache: | eng ; slv |
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Zusammenfassung: | 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 the temperature of a component emitting the first optic signal. The first detector (3) includes a component (14) at a reference temperature, a sensor (15) receiving the first optic signal from 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 temperature between the temperature of a source of the first optic signal and the temperature of the component (14) at a reference temperature. |
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