Sensitivity and Stability of Gps Synchronised Differential Protection
List Price: $2.00
Publisher: VDM Verlag Dr. Mueller e.K.
Binding: Trade Paper
Size: 6.00" wide x 9.00" long x 0.59" tall
Current differential relays are now widely used for the protection of transmission lines. Simplicity of operation and the ability to clearly discriminate internal and external faults ensures their popularity, particulary when digital communication systems are available. Increasing availability of digital communication systems creates tremendous opportunities for protection but recent move to switched hierarchical communication networks has created problems for phasor synchronisation. The solution is GPS. GPS provides time synchronisation to an accuracy of +/- 1.0 microsecond. Although the phasor error at +/- 1.0 microsecond is insignificant, concerns remain about temporary loss of the GPS More...
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