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OPTICAL FIBRES FOR ELECTRICAL INDUSTRY APPLICATIONS / DEVELOPMENT OF PASSIVE OPTO-ELECTRONIC SENSORS FOR MEASUREMENTS AND DIAGNOSTICS IN ELECTRICAL POWER SYSTEMS

Objectif


An optical sensor which measures electrical current, voltage and temperature has been developed by researchers in this project. The sensors creates a new generation of safer, automatic measuring and diagnostic equipment for high voltage electrical power stations, but problems with the lasers mean that some modifications are needed before the technology can be used industrially.
THE RESEARCH FORESEES THE DEVELOPMENT OF OPTO-ELECTRONIC DEVICES FOR MEASUREMENT OF THE FOLLOWING QUANTITIES IN ELECTRICAL SYSTEMS:
- HIGH VOLTAGES, STEADY STATE AND TRANSIENTS, UP TO SOME MV;- HIGH CURRENTS, STEADY STATE AND TRANSIENTS, UP TO 100 KAP;- TEMPERATURES IN ELECTRICAL MACHINES AND COMPONENTS.

THE DEVICES ARE BASED ON THE USE OF PASSIVE OPTICAL FIBRE SENSORS: THE TRANSDUCERS, IN FIELD, CONSIST OF A PASSIVE OPTICAL ELEMENT (OPTICAL FIBRE, CRYSTAL), WHILE THE ACTIVE OPTICAL COMPONENTS (LIGHT EMITTER AND DETECTOR) AND THE ELECTRONICS FOR LIGHT CONTROL AND SIGNAL PROCESSING ARE PLACED, OUT OF FIELD, AT THE "RECEIVING" END. THE SIGNAL TRANSMISSION, TO AND FROM THE FIELD, IS MADE BY OPTICAL FIBRES. MAIN TECHNICAL FEATURES ARE: HIGH ACCURACY, HIGH IMMUNITY FROM EMI; MINIMUM INVASIVENESS; FULL ELECTRICAL INSULATION; HIGH RESISTANCE TO ENVIRONMENTAL STRESSES; INTRINSIC SAFETY. THE MAIN ECONOMICAL ISSUE IS THE INDEPEDENCY OF THE COST OF THE APPLIED VOLTAGE. THE DEVICES CAN BE USED FOR MEASUREMENT, PROTECTION AND CONTROL, AS WELL FOR ON-LINE DIAGNOSTIC MONITORING.

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Régime de financement

CSC - Cost-sharing contracts

Coordinateur

CESI CENTRO ELETTROTECNICO SPERIMENTALE ITALIANO GIACINTO MOTTA SPA
Contribution de l’UE
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Adresse
Via Rubattino 54
MILANO
Italie

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Participants (4)