Tham khảo tài liệu 'electric machinery fundamentals (solutions manual) part 3', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 121 n P 570r min 2 fl1 120 I20 Hz The no-load frequency of generator 2 corresponds to a frequency of n P 1800 r min 4 - -_ -------_---- ----_ 120 120 Hz The full-load frequency of generator 2 corresponds to a frequency of n P 1785 r min 4 f . -ft _ -------_----------_ 120 120 Hz a The speed droop of generator 1 is given by n H SD1 nl fl 1 nfl 1AAQZ . 3630 r m 100 3570 r min in 3570 r min 100 1 68_ The speed droop of generator 2 is given by n H g D 2 -Aẻ 100 J_ 1785 0 m in 1785 r min 100 0 84_ b The power supplied by generator 1 is given by 1 Pf s _ f D and the power supplied by generator 1 is given by 2 f s _ syf D The power curve s slope for generator 1 is . W _ P W----------------- MW_ Hz s M 1 Ill _fl f f Hz Hz The power curve s slope for generator 1 is _ P _5 MW uw u sP2----- --------- _ _ ----- ----- MW Hz g .00 Hz Hz 60 The no-load frequency of generator 1 is Hz and the no-load frequency of generator 2 is 60 Hz. The total power that they must supply is 100 kW so the system frequency can be found from the equations LOAD 1 LOAD P 1 nlP_ PP s gf f 2 nlS f sP Pf _ 100 kW MW Hz Hz fs MW Hz Hz f 100 kW 6H0z50 kW MW fs 9000 k W MW Hz sf MW Hz f 6050 kW 9000 k_W 100 kW f 14 950 kW T_ 598 II MW Hz H_ c The power supplied by generator 1 is .
