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QUESTION
Two synchronous generators are set to share the same load. Generator 1 has a no-load frequency of 61.5Hz and a slope Sp1 of 1 MW/Hz. Generator 2 has a no-load frequency of 61Hz and a slope Sp2 of 1 MW/Hz. The two generators are supplying a real load of 2.5MW at 0.8PF lagging.
Q1. Find the system frequency and power supplied by each generator.
Q2. If an additional 1 MW load is attached to the power system. Find the new system frequency and power supplied by each generator.
Q3. When the additional load attached (total load of 3.5 MW), find the system frequency and the generator powers, if the no-load frequency of G2 is increased by 0.5Hz.
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