Title :
Operation, Design and Testing of Generator 100% Stator Earth Fault Protection Using Low Frequency Injection
Author :
Lloyd, Graeme J. ; Yip, H.T. ; Millar, Gary
Author_Institution :
Autom. & Inf. Syst., Areva T&D Ltd., Stafford
Abstract :
This paper describes the development of a new 100% generator stator earth fault protection scheme, based on low frequency injection principle. The design of a new analogue input module and the digital filtering technique are presented. Results of the simulation and site testing are also discussed.
Keywords :
electric generators; power system measurement; power system protection; signal processing; stators; analogue input module; digital filtering technique; generator stator earth fault protection; low frequency injection; Band pass filters; Circuit faults; Earth; Generators; Resistance; Stator windings; Stators;
Conference_Titel :
Developments in Power System Protection, 2008. DPSP 2008. IET 9th International Conference on
Conference_Location :
Glasgow
Print_ISBN :
978-0-86341-902-7
