1 QiA 3 Phase 10 MVA HKV Y connected alternator is protected by merz price cireatating current system the star Point is earthed throng a resistance of 5 2. If CTs have afatio. of 1000/5 and the relay is set to operate when her is overload with 30°% (vph++)__) 199 4000x0.5 Cateolate 1000000 1) the percentage of each those of stator Winding which is protected. If the reactance of the stator winding is tot.. per Phase. 2.) The minimum value of carthing resistance to protect 85 to of the winding Neglect the reactance of the Stator winding in this case.

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QiA 3 Phase 10 MVA KV y connected
alternator is protected by merz- price
civentating current system, the star Point is earthed
therong a resistance of 52. If CTS have afatio
of 1000/5 and the relay is set to operate when
ther is overload with 30% (xen+ ) )
Cateolate
M
1905
Xav
40x0.5
1) the percentage of each phase of stator Winding
which is protected. If the reactance of 1000000"
the stator winding is tot. Per Phase.
2) The minimum value of carthing resistance
to protect 85% of the Winding Heglect the
to
reactance of the Stator winding in this case.
Transcribed Image Text:QiA 3 Phase 10 MVA KV y connected alternator is protected by merz- price civentating current system, the star Point is earthed therong a resistance of 52. If CTS have afatio of 1000/5 and the relay is set to operate when ther is overload with 30% (xen+ ) ) Cateolate M 1905 Xav 40x0.5 1) the percentage of each phase of stator Winding which is protected. If the reactance of 1000000" the stator winding is tot. Per Phase. 2) The minimum value of carthing resistance to protect 85% of the Winding Heglect the to reactance of the Stator winding in this case.
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