Automation and Autonomous Systems

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Smart Transducer Aided Protection of Motor or Generator


Affiliations
1 Department of ICE, Tamilnadu College of Engineering, India
     

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The programmable transducers can be used in the field of motor or generator   protection.  To overcome the error of existing system like overvoltage, under voltage and under frequency self aided programmable transducers are used. C based program is to be developed to interface the transducers and generator tripping device to the computer. The output devices are interfaced with the computer through specially designed drive circuits to energize the trip circuit of motor in case protection acts. The drive circuits consists of opto-coupler (for isolation purpose), switching transistors and PCB mounted small relays. The input circuit comprises of Transducers & A/D converter, the output circuit comprises of driving circuits for feeders. Audible alarms also can be generated through computer with the aid of buzzer circuits.  The input and the output circuits are connected to the PC through an Interfacing card through pc printer port.  All the transducers are connected to the PC through an A/D converter.


Keywords

Overvoltage, Under Voltage, Frequency, A/D Converter.
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  • Manish Paul ,Assistant Professor, Barnali Talukdar B.Tech student ,Banani Baishya B.Tech student,” Simulation of Overvoltage and Undervoltage Protection in PSIM” International Journal of Engineering Research & Technology Girijananda Chowdhury Institute of Management and Technology ( 2014).

  • G. Yaleinkaya, M. H. J. Bollen and P.A. Crossley (1999), “Characterization of voltage sags in industrial distribution systems”, IEEE transactions on industry applications, vol.34, no. 4, pp. 682-688, July/August.

  • “IEEE Recommended Practice for Monitoring Electric Power Quality,” IEEE Std. 1159-1995, June 1995.

  • G.A. Taylor, A.B. Burden (1997), “Wide Area Power Quality – Decision Processes and Options for Sensitive Users”, Proceedings of the 14th International Conference and Exhibition on Electricity Distribution (CIRED’97), pp. 2.30.1-2.30.5, Birmingham, UK, June.


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  • Smart Transducer Aided Protection of Motor or Generator

Abstract Views: 318  |  PDF Views: 1

Authors

R. Gokila
Department of ICE, Tamilnadu College of Engineering, India
K. Srinivash
Department of ICE, Tamilnadu College of Engineering, India
K. Varunkumar
Department of ICE, Tamilnadu College of Engineering, India
R. Vigneshwaran
Department of ICE, Tamilnadu College of Engineering, India
S. Vinothkumar
Department of ICE, Tamilnadu College of Engineering, India

Abstract


The programmable transducers can be used in the field of motor or generator   protection.  To overcome the error of existing system like overvoltage, under voltage and under frequency self aided programmable transducers are used. C based program is to be developed to interface the transducers and generator tripping device to the computer. The output devices are interfaced with the computer through specially designed drive circuits to energize the trip circuit of motor in case protection acts. The drive circuits consists of opto-coupler (for isolation purpose), switching transistors and PCB mounted small relays. The input circuit comprises of Transducers & A/D converter, the output circuit comprises of driving circuits for feeders. Audible alarms also can be generated through computer with the aid of buzzer circuits.  The input and the output circuits are connected to the PC through an Interfacing card through pc printer port.  All the transducers are connected to the PC through an A/D converter.


Keywords


Overvoltage, Under Voltage, Frequency, A/D Converter.

References





DOI: https://doi.org/10.36039/ciitaas%2F9%2F6%2F2017%2F154621.117-120