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Upgrading and enhancing the generator protection system by making use of current digital systems

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3 Author(s)
N. H. Chau ; Florida Power & Light Co., Juno Beach, FL, USA ; J. D. Gardell ; S. C. Patel

Upgrading of power plant systems and equipment is becoming a major theme for many utilities. Due to operational cost pressures, competitiveness, life extension, and the desire for better productivity, condition assessment programs are being implemented. One aspect of this is the enhancement/upgrade of existing generator protection schemes with digital systems. Traditionally this protection has been provided by a complement of discrete component relays. These relays have included both electromechanical and static types. Considering a digital enhancement/upgrade offers the owner of installed generation equipment several unique advantages. These include more complete machine protection, diagnostics capabilities for greater productivity and maintenance optimization, life extension with minimal implementation, and the operational advantages of sequence of events, present values and communications capabilities

Published in:

IEEE Transactions on Nuclear Science  (Volume:43 ,  Issue: 3 )