ex 1 A Truastor a mur has drop of 2.5%. Determine the Lang ing Power factor at wdih The Noltage vegua tion is Maximens and the Va/ue of his requlat ion Solb 6.5%

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6.5%
ans
ex A so kvA. 2o00/20 V, So He single-phase transformar has
impedance drof of8% and resistance drop of 4%.
Caleulate. The Requlation of the Thams former at full- Load o8 P.s
Legging. also find The Power factor at which Voltage requlation will
Be Zero.
Sols
0.5 leading.
s alculate The % Noltege Requlation af atransformar in w hich the
Percantage resistance drof is 1% and Percentage dre is 6% when
The Power fador is
0.8 lagging
) > unity
aMS 38 %
ans 1 %
(シ→
0.8 leading . amS - 2.2%
Transcribed Image Text:6.5% ans ex A so kvA. 2o00/20 V, So He single-phase transformar has impedance drof of8% and resistance drop of 4%. Caleulate. The Requlation of the Thams former at full- Load o8 P.s Legging. also find The Power factor at which Voltage requlation will Be Zero. Sols 0.5 leading. s alculate The % Noltege Requlation af atransformar in w hich the Percantage resistance drof is 1% and Percentage dre is 6% when The Power fador is 0.8 lagging ) > unity aMS 38 % ans 1 % (シ→ 0.8 leading . amS - 2.2%
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