Two synchronous generators supply a load of 5 MVA with a power factor of 0.8. No-load frequency of the first generator is fni,1=52 Hz. Spi is 2 MW/Hz and Sp2 is 1 MW/Hz. The system is operating at 50.5 Hz frequency. a. Find the no-load frequency of 2nd generator. Find the power sharing between 2 generators. Sketch the (P-f) graph. b. When loading level increases %10 Find the new system frequency and power sharing Sketch the (P-f) graph. c. To restore the frequency value of the first condition (a), the governor changes the no-load frequency of 1st generator. Find the new fnl,1 and the new power sharing between 2 generators. Sketch the (P-f) graph.
Two synchronous generators supply a load of 5 MVA with a power factor of 0.8. No-load frequency of the first generator is fni,1=52 Hz. Spi is 2 MW/Hz and Sp2 is 1 MW/Hz. The system is operating at 50.5 Hz frequency. a. Find the no-load frequency of 2nd generator. Find the power sharing between 2 generators. Sketch the (P-f) graph. b. When loading level increases %10 Find the new system frequency and power sharing Sketch the (P-f) graph. c. To restore the frequency value of the first condition (a), the governor changes the no-load frequency of 1st generator. Find the new fnl,1 and the new power sharing between 2 generators. Sketch the (P-f) graph.
Introductory Circuit Analysis (13th Edition)
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Author:Robert L. Boylestad
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I need to answer of this quesiton also there is writing %10 in red text on b part. Thank you for support
Transcribed Image Text:Two synchronous generators supply a load of 5 MVA with a power factor of 0.8. No-load frequency of the first
generator is fni,1=52 Hz. Spi is 2 MW/Hz and Sp2 is 1 MW/Hz. The system is operating at 50.5 Hz frequency.
a. Find the no-load frequency of 2nd generator. Find the power sharing between 2 generators. Sketch the (P-f) graph.
b. When loading level increases
%10
Find the new system frequency and power sharing Sketch the (P-f) graph.
c. To restore the frequency value of the first condition (a), the governor changes the no-load frequency of 1st generator.
Find the new fnl,1 and the new power sharing between 2 generators. Sketch the (P-f) graph.
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