Three 507 KW, 487 V diesel -driven 60 Hz synchronous generator, A, B and C are in parallel and taking shares of a 157 KW, 207 KW.307 KW and the speed regulation of the three machines are 2.5%, 2%, and 3% respectively. System frequency is 60 Hz. If a three phase 407 KVA resistance load and three phase 60 Hz induction motor draw 499 KVA at .9 pf lagging added to the bus now Determine a) The system real power b) The system frequency c) Real power carried by each machine
Three 507 KW, 487 V diesel -driven 60 Hz synchronous generator, A, B and C are in parallel and taking shares of a 157 KW, 207 KW.307 KW and the speed regulation of the three machines are 2.5%, 2%, and 3% respectively. System frequency is 60 Hz. If a three phase 407 KVA resistance load and three phase 60 Hz induction motor draw 499 KVA at .9 pf lagging added to the bus now Determine a) The system real power b) The system frequency c) Real power carried by each machine
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Transcribed Image Text:Three 507 KW, 487 V diesel -driven 60 Hz synchronous generator, A, B and C are in parallel
and taking shares of a 157 KW. 207 KW.307 KW and the speed regulation of the three
machines are 2.5%. 2%, and 3% respectively. System frequency is 60 Hz. If a three phase 407
KVA resistance load and three phase 60 Hz induction motor draw 499 KVA at .9 pf lagging
added to the bus now Determine
a) The system real power
b) The system frequency
c) Real power carried by cach machine
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