(a) Merz-Price protection scheme that is used to protect the winding against earth fault of a...
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(a) Merz-Price protection scheme that is used to protect the winding against earth fault of a 11 kV, 50 MVA star-connected alternator with the neutral grounded with 72 resistor. Determine: (i) the setting required to protect 80 % of the winding. (ii) the percentage of protected winding if the setting in Q.4(a)(i) is doubled. (10 marks) (a) Merz-Price protection scheme that is used to protect the winding against earth fault of a 11 kV, 50 MVA star-connected alternator with the neutral grounded with 72 resistor. Determine: (i) the setting required to protect 80 % of the winding. (ii) the percentage of protected winding if the setting in Q.4(a)(i) is doubled. (10 marks)
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1 let x winding is pro un protreld Given RN Uph RN x 20 unprotected xpu02 Jx... View the full answer
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