Date: 5/ 5/17 POWER SYSTEM ANALYSIS Page: 1 Time: 18:19:27 Electrical Economy Laboratory National Technical University of Athens Department of Electrical Engineering Electrical Power Division Study Case: 4-BUS SYSTEM SUMMARY REPORT OF POWER SYSTEM ELEMENTS ======================================== Number of Buses ............................. 4 Number of Transmission Lines ................ 4 Number of Transformers ...................... 1 Number of Generating Units .................. 2 Number of Generation Buses .................. 2 Number of Constant Power Load Buses ......... 3 Number of Constant Impedance Load Buses ..... 1 Number of Buses with Capacitors ............. 0 Number of Buses with Inductors .............. 0 Number of Circuit Breakers .................. 0 Number of Motors ............................ 0 System base [MVA] ........................... 100.00 Maximum number of iterations ................ 100 Precision of the solution [p.u.] ............ 0.00010000 Total motor reacceleration time [sec] .......***** Date: 5/ 5/17 POWER SYSTEM ANALYSIS Page: 2 Time: 18:19:27 Electrical Economy Laboratory National Technical University of Athens Department of Electrical Engineering Electrical Power Division Study Case: 4-BUS SYSTEM REPORT OF BUS DATA ======================== C O N S T A N T C O N S T A N T A R E A B U S P O W E R L O A D I M P E D. L O A D C O D E ================================= ==================== ==================== ======= N0. Name Type KV MW MVAR MW MVAR N0. ------ ------------ ----- ------ --------- --------- --------- --------- ------- 1 Bus 1 SLACK 138.0 0.000 0.000 0.000 0.000 1 2 Bus 2 GEN 138.0 10.000 5.000 0.000 0.000 1 3 Bus 3 LOAD 138.0 140.000 46.000 0.000 0.000 1 4 Bus 4 LOAD 138.0 140.000 46.000 0.000 20.000 1 --------------------------------- --------- --------- --------- --------- TOTAL ( 4 BUSES) 290.00 97.00 0.00 20.00 Date: 5/ 5/17 POWER SYSTEM ANALYSIS Page: 3 Time: 18:19:27 Electrical Economy Laboratory National Technical University of Athens Department of Electrical Engineering Electrical Power Division Study Case: 4-BUS SYSTEM REPORT OF GENERATING UNITS ================================ U N I T P O W E R O U T P U T V O L T A G E ================================ =============================================== ============== Bus N0 Bus Name ID Stat Pgen (MW) Qmin (MVAR) Qmax (MVAR) Smax (MVA) (pu) (KV) ------ ------------ ---- ---- --------- ----------- ----------- ---------- ------ ------ 1 Bus 1 1 ON 0.00 -9900.00 9900.00 100.00 1.040 138.00 2 Bus 2 1 ON 156.00 -9900.00 9900.00 100.00 1.045 138.00 -------------------------------- --------- TOTAL ( 2 GENERATORS) 156.00 Date: 5/ 5/17 POWER SYSTEM ANALYSIS Page: 4 Time: 18:19:27 Electrical Economy Laboratory National Technical University of Athens Department of Electrical Engineering Electrical Power Division Study Case: 4-BUS SYSTEM REPORT OF CIRCUIT DATA ============================ C I R C U I T F R O M T O I M P E D A N C E R A T I N G S ================= ==================== ==================== ========================= ========================= Index Type Ckt N0. Name N0. Name R [pu] X [pu] B [pu] A (MVA) B (MVA) C (MVA) ----- ----- --- ------ ------------ ------ ------------ ------- ------- ------- ------- ------- ------- 1 LINE 1 1 Bus 1 2 Bus 2 0.05000 0.15000 0.06000 100.0 100.0 100.0 2 LINE 1 1 Bus 1 3 Bus 3 0.04000 0.12000 0.06000 100.0 100.0 100.0 3 LINE 1 1 Bus 1 4 Bus 4 0.04000 0.22000 0.08000 100.0 100.0 100.0 4 LINE 1 3 Bus 3 4 Bus 4 0.05000 0.15000 0.08000 100.0 100.0 100.0 5 TRANS 1 2 Bus 2 3 Bus 3 0.00000 0.10000 0.00000 100.0 100.0 100.0 Date: 5/ 5/17 POWER SYSTEM ANALYSIS Page: 5 Time: 18:19:27 Electrical Economy Laboratory National Technical University of Athens Department of Electrical Engineering Electrical Power Division Study Case: 4-BUS SYSTEM REPORT OF TRANSFORMER DATA ================================ B U S F R O M B U S T O T U R N S R A T I O P H A S E A N G L E ============================ ============================ ====================== ====================== Index N0. Name KV N0. Name KV Min Max Nom. Min Max Nom. ----- ------ ------------ ------ ------ ------------ ------ ------ ------ ------ ------ ------ ------ 1 2 Bus 2 138.00 3 Bus 3 138.00 1.00 1.00 1.30 0.00 0.00 0.00 NUMBER OF NON-DIAGONAL ELEMENTS IN Y 10 NUMBER OF FILL-IN ELEMENTS IN Y 10 I P S A Integrated Power System Analysis Page: 6 LOAD-FLOW REPORT ================ Study Case: 4-BUS SYSTEM ---------- REPORT OF BUS VOLTAGE MAGNITUDES AND ANGLES =========================================== VOLTAGE VOLTAGE BUS BUS MAGNITUDE ANGLE INDEX N0 NAME ( p.u. ) ( degr ) ----- ----- ------------ --------- --------- 1 1 Bus 1 1.0400 0.0000 2 2 Bus 2 1.0450 0.7931 3 3 Bus 3 1.1241 -6.0821 4 4 Bus 4 1.0393 -9.6834 Date: 5/ 5/17 POWER SYSTEM ANALYSIS Page: 7 Time: 18:19:38 Electrical Economy Laboratory National Technical University of Athens Department of Electrical Engineering Electrical Power Division Study Case: 4-BUS SYSTEM LOAD FLOW REPORT ================ <================================= BUS DATA ================================> <========================== LINE DATA ==========================> FROM VOLT GEN LOAD CIL MOTOR SHUNT TO TRANSFORMER MAX BUS NAME PU/KV ANGLE MW/MVAR MW/MVAR MW/MVAR MW/MVAR MVAR BUS NAME MW MVAR TAP ANGLE %I MVA AMP %PF ===== ============ ====== ====== ======== ======== ======== ======== ======== ===== ============ ======== ======== ==== ===== === ===== === === 1 Bus 1 1.040 0.00 143.93 0.00 0.00 0.00 143.52 -109.93 0.00 0.00 0.00 0.00 2 Bus 2 -10.05 -3.29 10 100 43 95 3 Bus 3 72.69 -94.84 119 100 481 61 4 Bus 4 81.28 -11.79 82 100 330 99 ----------------------------------------------------------------- 2 Bus 2 1.045 0.79 156.00 10.00 0.00 0.00 144.21 246.87 5.00 0.00 0.00 0.00 1 Bus 1 10.09 -3.09 10 100 42 96 3 Bus 3 135.91 244.96 1.3 0.0 280 1001122 49 TR ----------------------------------------------------------------- 3 Bus 3 1.124 -6.08 0.00 140.00 0.00 0.00 155.12 0.00 46.00 0.00 0.00 0.00 1 Bus 1 -67.63 102.98 123 100 459 55 4 Bus 4 63.54 38.79 74 100 277 85 2 Bus 2 -135.91 -187.77 0.8 0.0 231 100 863 59 TR ----------------------------------------------------------------- 4 Bus 4 1.039 -9.68 0.00 140.00 0.00 0.00 143.43 0.00 46.00 -21.60 0.00 0.00 1 Bus 1 -78.82 16.70 80 100 324 98 3 Bus 3 -61.18 -41.09 73 100 297 83 ----------------------------------------------------------------- ======== ======== ======== ======== ======== P BALANCE 0.30E+03 0.29E+03 0.00E+00 0.00E+00 Q BALANCE 0.14E+03 0.97E+02 -.22E+02 0.00E+00 0.00E+00 P LOSSES 9.93 (%) 3.31 Q LOSSES 61.55 (%) 44.94