**************TRANSIENT STABILITY**************** REFERENCE : J.D.GLOVER & M.SARMA POWER SYSTEM ANALYSIS AND DESIGN WITH PERSONAL COMPUTER APPLICATIONS PWS PUBLISHERS,BOSTON,1987 CHAPTER TWELVE THIS PROGRAM WAS WRITTEN BY J. DUNCAN GLOVER. THIS PROGRAM IS COPYRIGHT PROTECTED. PRESS RETURN TO CONTINUE. THIS PROGRAM EVALUATES A BALANCED THREE-PHASE POWER SYSTEM SUBJECTED TO A DISTURBANCE. THE FOLLOWING QUANTITIES ARE COMPUTED FOR EACH DISCRETE TIME: (1) POWER ANGLE OF EACH SYNCHRONOUS MACHINE (2) FREQUENCY OF EACH SYNCHRONOUS MACHINE (3) REAL POWER OUTPUT OF EACH SYNCHRONOUS MACHINE (4) VOLTAGE MAGNITUDE AT EACH BUS BEFORE YOU CAN RUN THIS PROGRAM YOU MUST FIRST RUN THE POWER FLOW PROGRAM THAT IS ON THIS DISK FOR YOUR POWER SYSTEM. PRESS RETURN TO CONTINUE WHAT IS THE CASE NUMBER FOR YOUR POWER FLOW PROGRAM? ( ENTER AN INTEGER FROM 1 TO 3 ) 1 ENTER YOUR CASE NAME Cliff WOULD YOU LIKE TO: 1. UPDATE THE SYNCHRONOUS MACHINE INPUT DATA 2. SET DISTURBANCES AND RUN THE PROGRAM 3. STOP ENTER YOUR SELECTION ( 1,2 OR 3 ) 1 SELECTIONS: 1. INITIALIZE FILE 2. ADD A NEW SYNCHRONOUS MACHINE OR CHANGE AN EXISTING ONE 3. REMOVE A MACHINE 4. DISPLAY ONE MACHINE 5. DISPLAY ALL MACHINES BELOW A GIVEN ONE 6. DONE WITH MACHINE DATA ENTER YOUR SELECTION (1 TO 6 ) 1 ARE YOU SURE YOU WANT TO INITIALIZE THIS FILE (Y OR N)? y SELECTIONS: 1. INITIALIZE FILE 2. ADD A NEW SYNCHRONOUS MACHINE OR CHANGE AN EXISTING ONE 3. REMOVE A MACHINE 4. DISPLAY ONE MACHINE 5. DISPLAY ALL MACHINES BELOW A GIVEN ONE 6. DONE WITH MACHINE DATA ENTER YOUR SELECTION (1 TO 6 ) 2 MACHINE NUMBER (1 TO 25 )? 1 MACHINE BUS NUMBER ? 1 MACHINE TRANSIENT REACTANCE(per unit) ? .000001 MACHINE H CONSTANT (per unit seconds) ? 9999 SELECTIONS: 1. INITIALIZE FILE 2. ADD A NEW SYNCHRONOUS MACHINE OR CHANGE AN EXISTING ONE 3. REMOVE A MACHINE 4. DISPLAY ONE MACHINE 5. DISPLAY ALL MACHINES BELOW A GIVEN ONE 6. DONE WITH MACHINE DATA ENTER YOUR SELECTION (1 TO 6 ) 2 MACHINE NUMBER (1 TO 25 )? 2 MACHINE BUS NUMBER ? 2 MACHINE TRANSIENT REACTANCE(per unit) ? .4 MACHINE H CONSTANT (per unit seconds) ? 3 SELECTIONS: 1. INITIALIZE FILE 2. ADD A NEW SYNCHRONOUS MACHINE OR CHANGE AN EXISTING ONE 3. REMOVE A MACHINE 4. DISPLAY ONE MACHINE 5. DISPLAY ALL MACHINES BELOW A GIVEN ONE 6. DONE WITH MACHINE DATA ENTER YOUR SELECTION (1 TO 6 ) 5 ENTER THE NUMBER OF THE FIRST MACHINE TO BE DISPLAYED 1 USE THE Ctrl PRINT SCREEN OPTION NOW IF YOU WANT TO PRINT THE RESULTS. PRESS RETURN TO CONTINUE. SYNCHRONOUS MACHINE DATA FOR Cliff MACHINE# BUS X' H per per unit unit seconds 1 1 .000001 9999 2 2 .4 3 REMOVE Ctrl PRINT SCREEN AND THEN PRESS RETURN TO CONTINUE SELECTIONS: 1. INITIALIZE FILE 2. ADD A NEW SYNCHRONOUS MACHINE OR CHANGE AN EXISTING ONE 3. REMOVE A MACHINE 4. DISPLAY ONE MACHINE 5. DISPLAY ALL MACHINES BELOW A GIVEN ONE 6. DONE WITH MACHINE DATA ENTER YOUR SELECTION (1 TO 6 ) 6 WOULD YOU LIKE TO: 1. UPDATE THE SYNCHRONOUS MACHINE INPUT DATA 2. SET DISTURBANCES AND RUN THE PROGRAM 3. STOP ENTER YOUR SELECTION ( 1,2 OR 3 ) 2 THERE ARE 2 SYNCHRONOUS MACHINES. SYNCHRONOUS MACHINE DATA : 1 1 .000001 9999 1 2 2 .4 3 1 NUMBER OF LINES = 3 LINE DATA : 1 1 3 0 .2 0 0 2 3 2 0 .1 0 0 3 1 2 0 .2 0 0 THERE ARE 0 TRANSFORMERS. TRANSFORMER DATA : THERE ARE 3 BUSES. POWER FLOW BUS OUTPUT DATA : 1 0 -.9999915 -.3257828 0 0 1.046 6.587596 1 .4585152 0 0 1.029177 4.458182 0 0 0 0 TRANSFORMER TAP SETTINGS : ENTER THE INTEGRATION TIME INTERVAL (SECONDS) .005 ENTER THE FINAL TIME (SECONDS) 3 ENTER THE NUMBER OF DISTURBANCE TIMES (1,2,3 OR 4) 2 FIRST DISTURBANCE ENTER THE FIRST DISTURBANCE TIME(SECONDS) 0 IS THERE A SHORT CIRCUIT AT THE FIRST DISTURBANCE TIME(Y OR N) ? y ENTER THE SHORT CIRCUIT BUS NUMBER 3 DO GENERATOR BREAKERS OPEN AT THE FIRST DISTURBANCE(Y OR N) ? n DO LINE BREAKERS OPEN AT THE FIRST DISTURBANCE(Y OR N) ? n DO TRANSFORMER BREAKERS OPEN AT THE FIRST DISTURBANCE(Y OR N) ? n SECOND DISTURBANCE ENTER THE SECOND DISTURBANCE TIME(SECONDS) .1 IS THERE A SHORT CIRCUIT AT THE SECOND DISTURBANCE TIME(Y OR N) ? n IS THE SHORT CIRCUIT AT THE FIRST DISTURBANCE EXTINGUISHED (Y OR N) ? y DO GENERATOR BREAKERS OPEN AT THE SECOND DISTURBANCE(Y OR N) ? n DO LINE BREAKERS OPEN AT THE SECOND DISTURBANCE(Y OR N) ? y HOW MANY LINE BREAKERS OPEN ? 2 TRANSMISSION LINE OPENING CIRCUIT BREAKER 1 ENTER THE LINE NUMBER 1 ENTER THE BUS NUMBER 1 TRANSMISSION LINE OPENING CIRCUIT BREAKER 2 ENTER THE LINE NUMBER 1 ENTER THE BUS NUMBER 3 DO TRANSFORMER BREAKERS OPEN AT THE SECOND DISTURBANCE(Y OR N) ? n FOR OUTPUT LABELLING ENTER THE FIRST DISTURBANCE NAME(ANY ALPHANUMERIC SEQUENCE) Fault ENTER THE SECOND DISTURBANCE NAME Clear YOU MAY PRINT FROM 1 TO 5 OUTPUTS ENTER THE NUMBER OF OUTPUTS ( 1 TO 5 ) 5 OUTPUT 1 SELECTIONS: 1. MACHINE POWER ANGLE 2. MACHINE FREQUENCY 3. MACHINE REAL POWER OUTPUT 4. BUS VOLTAGE ENTER YOUR SELECTION (1,2,3 OR 4) 1 ENTER THE MACHINE NUMBER 1 OUTPUT 2 SELECTIONS: 1. MACHINE POWER ANGLE 2. MACHINE FREQUENCY 3. MACHINE REAL POWER OUTPUT 4. BUS VOLTAGE ENTER YOUR SELECTION (1,2,3 OR 4) 1 ENTER THE MACHINE NUMBER 2 OUTPUT 3 SELECTIONS: 1. MACHINE POWER ANGLE 2. MACHINE FREQUENCY 3. MACHINE REAL POWER OUTPUT 4. BUS VOLTAGE ENTER YOUR SELECTION (1,2,3 OR 4) 2 ENTER THE MACHINE NUMBER 1 OUTPUT 4 SELECTIONS: 1. MACHINE POWER ANGLE 2. MACHINE FREQUENCY 3. MACHINE REAL POWER OUTPUT 4. BUS VOLTAGE ENTER YOUR SELECTION (1,2,3 OR 4) 2 ENTER THE MACHINE NUMBER 2 OUTPUT 5 SELECTIONS: 1. MACHINE POWER ANGLE 2. MACHINE FREQUENCY 3. MACHINE REAL POWER OUTPUT 4. BUS VOLTAGE ENTER YOUR SELECTION (1,2,3 OR 4) 3 ENTER THE MACHINE NUMBER 2 THE OUTPUTS ARE PRINTED EVERY KTH TIME INTERVAL ENTER THE PRINTOUT INTEGER K ( K >= 1 ) 10 DO YOU WANT THE OUTPUTS IN EXPONENTIAL FORMAT (Y OR N) ? n CONTINUE ( Y ) OR RESET THE DISTURBANCES (N) ? y USE THE Ctrl PRINT SCREEN OPTION NOW IF YOU WANT TO PRINT THE OUTPUTS PRESS RETURN TO CONTINUE TRANSIENT STABILITY OUTPUT FOR Cliff TIME DELTA 1 DELTA 2 OMEGA 1 OMEGA 2 PG 2 seconds degrees degrees rad/s rad/s per unit Fault 0.000 -0.00 23.97 376.99 376.99 0.371 0.050 -0.00 26.77 376.99 378.92 0.412 Clear 0.100 -0.00 34.78 376.99 380.60 1.216 0.150 -0.01 43.71 376.99 379.48 1.475 0.200 -0.01 48.50 376.99 377.77 1.598 0.250 -0.01 48.00 376.99 375.87 1.584 0.300 -0.01 42.33 376.99 374.23 1.435 0.350 -0.00 32.81 376.99 373.26 1.155 0.400 -0.00 21.95 376.99 373.33 0.797 0.450 0.00 12.91 376.99 374.51 0.476 0.500 0.00 8.51 376.99 376.48 0.315 0.550 0.00 10.11 376.99 378.59 0.376 0.600 0.00 17.17 376.99 380.18 0.631 0.650 -0.00 27.45 376.99 380.79 0.984 0.700 -0.00 37.89 376.99 380.31 1.311 0.750 -0.01 45.64 376.99 378.97 1.526 0.800 -0.01 48.77 376.99 377.16 1.605 0.850 -0.01 46.56 376.99 375.31 1.548 0.900 -0.00 39.50 376.99 373.85 1.356 0.950 -0.00 29.30 376.99 373.19 1.043 1.000 0.00 18.76 376.99 373.63 0.685 1.050 0.01 11.01 376.99 375.10 0.407 1.100 0.01 8.50 376.99 377.18 0.315 1.150 0.01 11.99 376.99 379.17 0.444 1.200 0.00 20.33 376.99 380.47 0.742 1.250 0.00 30.93 376.99 380.72 1.097 1.300 -0.00 40.70 376.99 379.93 1.392 1.350 -0.00 47.07 376.99 378.40 1.563 1.400 -0.00 48.48 376.99 376.55 1.596 1.450 -0.00 44.61 376.99 374.79 1.497 1.500 0.00 36.35 376.99 373.55 1.263 1.550 0.01 25.78 376.99 373.23 0.927 1.600 0.01 15.89 376.99 374.03 0.583 1.650 0.01 9.69 376.99 375.75 0.358 1.700 0.01 9.14 376.99 377.86 0.340 1.750 0.01 14.38 376.99 379.67 0.531 1.800 0.01 23.71 376.99 380.65 0.858 1.850 0.01 34.29 376.99 380.54 1.202 1.900 0.01 43.13 376.99 379.48 1.459 1.950 0.01 47.96 376.99 377.81 1.584 2.000 0.01 47.63 376.99 375.95 1.575 2.050 0.01 42.22 376.99 374.33 1.432 2.100 0.01 32.99 376.99 373.36 1.160 2.150 0.02 22.37 376.99 373.40 0.810 2.200 0.02 13.45 376.99 374.53 0.494 2.250 0.02 9.00 376.99 376.43 0.332 2.300 0.02 10.40 376.99 378.50 0.386 2.350 0.02 17.18 376.99 380.08 0.630 2.400 0.02 27.19 376.99 380.70 0.975 2.450 0.02 37.43 376.99 380.26 1.297 2.500 0.02 45.10 376.99 378.96 1.511 2.550 0.02 48.29 376.99 377.20 1.593 2.600 0.02 46.24 376.99 375.38 1.539 2.650 0.02 39.43 376.99 373.94 1.353 2.700 0.02 29.50 376.99 373.28 1.049 2.750 0.03 19.17 376.99 373.68 0.699 2.800 0.03 11.52 376.99 375.11 0.424 2.850 0.03 8.95 376.99 377.13 0.331 2.900 0.03 12.24 376.99 379.09 0.452 2.950 0.03 20.31 376.99 380.38 0.740 REMOVE Ctrl PRINT SCREEN AND THEN PRESS RETURN TO CONTINUE WOULD YOU LIKE TO: 1. UPDATE THE SYNCHRONOUS MACHINE INPUT DATA 2. SET DISTURBANCES AND RUN THE PROGRAM 3. STOP ENTER YOUR SELECTION ( 1,2 OR 3 ) 2 THERE ARE 2 SYNCHRONOUS MACHINES. SYNCHRONOUS MACHINE DATA : 1 1 .000001 9999 1 2 2 .4 3 1 NUMBER OF LINES = 3 LINE DATA : 1 1 3 0 .2 0 0 2 3 2 0 .1 0 0 3 1 2 0 .2 0 0 THERE ARE 0 TRANSFORMERS. TRANSFORMER DATA : THERE ARE 3 BUSES. POWER FLOW BUS OUTPUT DATA : 1 0 -.9999915 -.3257828 0 0 1.046 6.587596 1 .4585152 0 0 1.029177 4.458182 0 0 0 0 TRANSFORMER TAP SETTINGS : ENTER THE INTEGRATION TIME INTERVAL (SECONDS) .005 ENTER THE FINAL TIME (SECONDS) 2 ENTER THE NUMBER OF DISTURBANCE TIMES (1,2,3 OR 4) 3 FIRST DISTURBANCE ENTER THE FIRST DISTURBANCE TIME(SECONDS) 0 IS THERE A SHORT CIRCUIT AT THE FIRST DISTURBANCE TIME(Y OR N) ? y ENTER THE SHORT CIRCUIT BUS NUMBER 3 DO GENERATOR BREAKERS OPEN AT THE FIRST DISTURBANCE(Y OR N) ? n DO LINE BREAKERS OPEN AT THE FIRST DISTURBANCE(Y OR N) ? n DO TRANSFORMER BREAKERS OPEN AT THE FIRST DISTURBANCE(Y OR N) ? n SECOND DISTURBANCE ENTER THE SECOND DISTURBANCE TIME(SECONDS) .1 IS THERE A SHORT CIRCUIT AT THE SECOND DISTURBANCE TIME(Y OR N) ? n IS THE SHORT CIRCUIT AT THE FIRST DISTURBANCE EXTINGUISHED (Y OR N) ? y DO GENERATOR BREAKERS OPEN AT THE SECOND DISTURBANCE(Y OR N) ? n DO LINE BREAKERS OPEN AT THE SECOND DISTURBANCE(Y OR N) ? y HOW MANY LINE BREAKERS OPEN ? 2 TRANSMISSION LINE OPENING CIRCUIT BREAKER 1 ENTER THE LINE NUMBER 1 ENTER THE BUS NUMBER 1 TRANSMISSION LINE OPENING CIRCUIT BREAKER 2 ENTER THE LINE NUMBER 1 ENTER THE BUS NUMBER 3 DO TRANSFORMER BREAKERS OPEN AT THE SECOND DISTURBANCE(Y OR N) ? n THIRD DISTURBANCE ENTER THE THIRD DISTURBANCE TIME(SECONDS) .2 IS THERE A SHORT CIRCUIT AT THE THIRD DISTURBANCE TIME(Y OR N) ? n DO GENERATOR BREAKERS OPEN AT THE THIRD DISTURBANCE(Y OR N) ? n DO GENERATOR BREAKERS RECLOSE AT THE THIRD DISTURBANCE(Y OR N) ? n DO LINE BREAKERS OPEN AT THE THIRD DISTURBANCE(Y OR N) ? n DO LINE BREAKERS RECLOSE AT THE THIRD DISTURBANCE(Y OR N) ? y HOW MANY LINE BREAKERS CLOSE ? 2 TRANSMISSION LINE CLOSING CIRCUIT BREAKER 1 ENTER THE LINE NUMBER 1 ENTER THE BUS NUMBER 1 TRANSMISSION LINE CLOSING CIRCUIT BREAKER 2 ENTER THE LINE NUMBER 1 ENTER THE BUS NUMBER 3 DO TRANSFORMER BREAKERS OPEN AT THE THIRD DISTURBANCE(Y OR N) ? n DO TRANSFORMER BREAKERS RECLOSE AT THE THIRD DISTURBANCE(Y OR N) ? n FOR OUTPUT LABELLING ENTER THE FIRST DISTURBANCE NAME(ANY ALPHANUMERIC SEQUENCE) Fault ENTER THE SECOND DISTURBANCE NAME Clear ENTER THE THIRD DISTURBANCE NAME Re-close YOU MAY PRINT FROM 1 TO 5 OUTPUTS ENTER THE NUMBER OF OUTPUTS ( 1 TO 5 ) 5 OUTPUT 1 SELECTIONS: 1. MACHINE POWER ANGLE 2. MACHINE FREQUENCY 3. MACHINE REAL POWER OUTPUT 4. BUS VOLTAGE ENTER YOUR SELECTION (1,2,3 OR 4) 1 ENTER THE MACHINE NUMBER 1 OUTPUT 2 SELECTIONS: 1. MACHINE POWER ANGLE 2. MACHINE FREQUENCY 3. MACHINE REAL POWER OUTPUT 4. BUS VOLTAGE ENTER YOUR SELECTION (1,2,3 OR 4) 1 ENTER THE MACHINE NUMBER 2 OUTPUT 3 SELECTIONS: 1. MACHINE POWER ANGLE 2. MACHINE FREQUENCY 3. MACHINE REAL POWER OUTPUT 4. BUS VOLTAGE ENTER YOUR SELECTION (1,2,3 OR 4) 2 ENTER THE MACHINE NUMBER 1 OUTPUT 4 SELECTIONS: 1. MACHINE POWER ANGLE 2. MACHINE FREQUENCY 3. MACHINE REAL POWER OUTPUT 4. BUS VOLTAGE ENTER YOUR SELECTION (1,2,3 OR 4) 2 ENTER THE MACHINE NUMBER 2 OUTPUT 5 SELECTIONS: 1. MACHINE POWER ANGLE 2. MACHINE FREQUENCY 3. MACHINE REAL POWER OUTPUT 4. BUS VOLTAGE ENTER YOUR SELECTION (1,2,3 OR 4) 3 ENTER THE MACHINE NUMBER 2 THE OUTPUTS ARE PRINTED EVERY KTH TIME INTERVAL ENTER THE PRINTOUT INTEGER K ( K >= 1 ) 10 DO YOU WANT THE OUTPUTS IN EXPONENTIAL FORMAT (Y OR N) ? n CONTINUE ( Y ) OR RESET THE DISTURBANCES (N) ? y USE THE Ctrl PRINT SCREEN OPTION NOW IF YOU WANT TO PRINT THE OUTPUTS PRESS RETURN TO CONTINUE TRANSIENT STABILITY OUTPUT FOR Cliff TIME DELTA 1 DELTA 2 OMEGA 1 OMEGA 2 PG 2 seconds degrees degrees rad/s rad/s per unit Fault 0.000 -0.00 23.97 376.99 376.99 0.371 0.050 -0.00 26.77 376.99 378.92 0.412 Clear 0.100 -0.00 34.78 376.99 380.60 1.216 0.150 -0.01 43.71 376.99 379.48 1.475 0.200 -0.01 48.50 376.99 377.77 1.598 Re-close 0.250 -0.01 47.11 376.99 375.20 1.803 0.300 -0.01 38.65 376.99 373.01 1.537 0.350 -0.00 25.46 376.99 372.02 1.058 0.400 0.00 11.81 376.99 372.73 0.504 0.450 0.01 2.56 376.99 375.00 0.110 0.500 0.01 1.11 376.99 378.00 0.048 0.550 0.00 7.96 376.99 380.60 0.341 0.600 -0.00 20.51 376.99 381.87 0.863 0.650 -0.00 34.29 376.99 381.45 1.387 0.700 -0.01 44.75 376.99 379.65 1.733 0.750 -0.01 48.83 376.99 377.11 1.853 0.800 -0.01 45.39 376.99 374.52 1.752 0.850 -0.01 35.30 376.99 372.60 1.422 0.900 -0.00 21.53 376.99 372.05 0.903 0.950 0.00 8.65 376.99 373.23 0.370 1.000 0.00 1.33 376.99 375.81 0.057 1.050 0.00 2.27 376.99 378.80 0.098 1.100 0.00 11.04 376.99 381.10 0.472 1.150 -0.00 24.40 376.99 381.91 1.017 1.200 -0.01 37.65 376.99 381.06 1.504 1.250 -0.01 46.57 376.99 378.99 1.788 1.300 -0.01 48.59 376.99 376.37 1.846 1.350 -0.01 43.14 376.99 373.90 1.683 1.400 -0.00 31.67 376.99 372.29 1.292 1.450 -0.00 17.67 376.99 372.21 0.747 1.500 0.00 5.93 376.99 373.84 0.254 1.550 0.01 0.76 376.99 376.64 0.032 1.600 0.00 4.03 376.99 379.55 0.173 1.650 0.00 14.48 376.99 381.49 0.616 1.700 -0.00 28.27 376.99 381.83 1.166 1.750 -0.01 40.67 376.99 380.58 1.605 1.800 -0.01 47.84 376.99 378.29 1.825 1.850 -0.01 47.77 376.99 375.64 1.822 1.900 -0.01 40.43 376.99 373.34 1.596 1.950 -0.00 27.85 376.99 372.10 1.149 2.000 0.00 13.99 376.99 372.51 0.595 REMOVE Ctrl PRINT SCREEN AND THEN PRESS RETURN TO CONTINUE WOULD YOU LIKE TO: 1. UPDATE THE SYNCHRONOUS MACHINE INPUT DATA 2. SET DISTURBANCES AND RUN THE PROGRAM 3. STOP ENTER YOUR SELECTION ( 1,2 OR 3 ) 2 THERE ARE 2 SYNCHRONOUS MACHINES. SYNCHRONOUS MACHINE DATA : 1 1 .000001 9999 1 2 2 .4 3 1 NUMBER OF LINES = 3 LINE DATA : 1 1 3 0 .2 0 0 2 3 2 0 .1 0 0 3 1 2 0 .2 0 0 THERE ARE 0 TRANSFORMERS. TRANSFORMER DATA : THERE ARE 3 BUSES. POWER FLOW BUS OUTPUT DATA : 1 0 -.9999915 -.3257828 0 0 1.046 6.587596 1 .4585152 0 0 1.029177 4.458182 0 0 0 0 TRANSFORMER TAP SETTINGS : ENTER THE INTEGRATION TIME INTERVAL (SECONDS) .005 ENTER THE FINAL TIME (SECONDS) 2 ENTER THE NUMBER OF DISTURBANCE TIMES (1,2,3 OR 4) 4 FIRST DISTURBANCE ENTER THE FIRST DISTURBANCE TIME(SECONDS) 0 IS THERE A SHORT CIRCUIT AT THE FIRST DISTURBANCE TIME(Y OR N) ? y ENTER THE SHORT CIRCUIT BUS NUMBER 3 DO GENERATOR BREAKERS OPEN AT THE FIRST DISTURBANCE(Y OR N) ? n DO LINE BREAKERS OPEN AT THE FIRST DISTURBANCE(Y OR N) ? n DO TRANSFORMER BREAKERS OPEN AT THE FIRST DISTURBANCE(Y OR N) ? n SECOND DISTURBANCE ENTER THE SECOND DISTURBANCE TIME(SECONDS) .1 IS THERE A SHORT CIRCUIT AT THE SECOND DISTURBANCE TIME(Y OR N) ? n IS THE SHORT CIRCUIT AT THE FIRST DISTURBANCE EXTINGUISHED (Y OR N) ? y DO GENERATOR BREAKERS OPEN AT THE SECOND DISTURBANCE(Y OR N) ? n DO LINE BREAKERS OPEN AT THE SECOND DISTURBANCE(Y OR N) ? y HOW MANY LINE BREAKERS OPEN ? 2 TRANSMISSION LINE OPENING CIRCUIT BREAKER 1 ENTER THE LINE NUMBER 1 ENTER THE BUS NUMBER 1 TRANSMISSION LINE OPENING CIRCUIT BREAKER 2 ENTER THE LINE NUMBER 1 ENTER THE BUS NUMBER 3 DO TRANSFORMER BREAKERS OPEN AT THE SECOND DISTURBANCE(Y OR N) ? n THIRD DISTURBANCE ENTER THE THIRD DISTURBANCE TIME(SECONDS) .2 IS THERE A SHORT CIRCUIT AT THE THIRD DISTURBANCE TIME(Y OR N) ? y ENTER THE SHORT CIRCUIT BUS NUMBER 3 DO GENERATOR BREAKERS OPEN AT THE THIRD DISTURBANCE(Y OR N) ? n DO GENERATOR BREAKERS RECLOSE AT THE THIRD DISTURBANCE(Y OR N) ? n DO LINE BREAKERS OPEN AT THE THIRD DISTURBANCE(Y OR N) ? n DO LINE BREAKERS RECLOSE AT THE THIRD DISTURBANCE(Y OR N) ? y HOW MANY LINE BREAKERS CLOSE ? 2 TRANSMISSION LINE CLOSING CIRCUIT BREAKER 1 ENTER THE LINE NUMBER 1 ENTER THE BUS NUMBER 1 TRANSMISSION LINE CLOSING CIRCUIT BREAKER 2 ENTER THE LINE NUMBER 1 ENTER THE BUS NUMBER 3 DO TRANSFORMER BREAKERS OPEN AT THE THIRD DISTURBANCE(Y OR N) ? n DO TRANSFORMER BREAKERS RECLOSE AT THE THIRD DISTURBANCE(Y OR N) ? n FOURTH DISTURBANCE ENTER THE FOURTH DISTURBANCE TIME(SECONDS) .3 IS THERE A SHORT CIRCUIT AT THE FOURTH DISTURBANCE TIME(Y OR N) ? n IS THE SHORT CIRCUIT AT THE THIRD DISTURBANCE EXTINGUISHED ? y DO GENERATOR BREAKERS OPEN AT THE FOURTH DISTURBANCE (Y OR N) ? n DO GENERATOR BREAKERS RECLOSE AT THE FOURTH DISTURBANCE(Y OR N) ? n DO LINE BREAKERS OPEN AT THE FOURTH DISTURBANCE(Y OR N) ? y HOW MANY LINE BREAKERS OPEN ? 2 TRANSMISSION LINE OPENING CIRCUIT BREAKER 1 ENTER THE LINE NUMBER 1 ENTER THE BUS NUMBER 1 TRANSMISSION LINE OPENING CIRCUIT BREAKER 2 ENTER THE LINE NUMBER 1 ENTER THE BUS NUMBER 3 DO LINE BREAKERS RECLOSE AT THE FOURTH DISTURBANCE(Y OR N) ? n DO TRANSFORMER BREAKERS OPEN AT THE FOURTH DISTURBANCE(Y OR N) ? n DO TRANSFORMER BREAKERS RECLOSE AT THE FOURTH DISTURBANCE(Y OR N) ? n FOR OUTPUT LABELLING ENTER THE FIRST DISTURBANCE NAME(ANY ALPHANUMERIC SEQUENCE) Fault ENTER THE SECOND DISTURBANCE NAME Clear ENTER THE THIRD DISTURBANCE NAME Re-close onto fault ENTER THE FOURTH DISTURBANCE NAME Clear for 2nd time YOU MAY PRINT FROM 1 TO 5 OUTPUTS ENTER THE NUMBER OF OUTPUTS ( 1 TO 5 ) 5 OUTPUT 1 SELECTIONS: 1. MACHINE POWER ANGLE 2. MACHINE FREQUENCY 3. MACHINE REAL POWER OUTPUT 4. BUS VOLTAGE ENTER YOUR SELECTION (1,2,3 OR 4) 1 ENTER THE MACHINE NUMBER 1 OUTPUT 2 SELECTIONS: 1. MACHINE POWER ANGLE 2. MACHINE FREQUENCY 3. MACHINE REAL POWER OUTPUT 4. BUS VOLTAGE ENTER YOUR SELECTION (1,2,3 OR 4) 1 ENTER THE MACHINE NUMBER 2 OUTPUT 3 SELECTIONS: 1. MACHINE POWER ANGLE 2. MACHINE FREQUENCY 3. MACHINE REAL POWER OUTPUT 4. BUS VOLTAGE ENTER YOUR SELECTION (1,2,3 OR 4) 2 ENTER THE MACHINE NUMBER 1 OUTPUT 4 SELECTIONS: 1. MACHINE POWER ANGLE 2. MACHINE FREQUENCY 3. MACHINE REAL POWER OUTPUT 4. BUS VOLTAGE ENTER YOUR SELECTION (1,2,3 OR 4) 2 ENTER THE MACHINE NUMBER 2 OUTPUT 5 SELECTIONS: 1. MACHINE POWER ANGLE 2. MACHINE FREQUENCY 3. MACHINE REAL POWER OUTPUT 4. BUS VOLTAGE ENTER YOUR SELECTION (1,2,3 OR 4) 3 ENTER THE MACHINE NUMBER 2 THE OUTPUTS ARE PRINTED EVERY KTH TIME INTERVAL ENTER THE PRINTOUT INTEGER K ( K >= 1 ) 10 DO YOU WANT THE OUTPUTS IN EXPONENTIAL FORMAT (Y OR N) ? n CONTINUE ( Y ) OR RESET THE DISTURBANCES (N) ? y USE THE Ctrl PRINT SCREEN OPTION NOW IF YOU WANT TO PRINT THE OUTPUTS PRESS RETURN TO CONTINUE TRANSIENT STABILITY OUTPUT FOR Cliff TIME DELTA 1 DELTA 2 OMEGA 1 OMEGA 2 PG 2 seconds degrees degrees rad/s rad/s per unit Fault 0.000 -0.00 23.97 376.99 376.99 0.371 0.050 -0.00 26.77 376.99 378.92 0.412 Clear 0.100 -0.00 34.78 376.99 380.60 1.216 0.150 -0.01 43.71 376.99 379.48 1.475 0.200 -0.01 48.50 376.99 377.77 1.598 Re-close onto fault 0.250 -0.01 51.32 376.99 378.43 0.714 0.300 -0.01 56.66 376.99 379.25 0.764 Clear for 2nd time 0.350 -0.01 60.33 376.99 376.97 1.854 0.400 -0.01 56.47 376.99 374.36 1.777 0.450 -0.01 45.71 376.99 372.24 1.525 0.500 -0.00 30.30 376.99 371.23 1.075 0.550 0.00 14.29 376.99 371.87 0.526 0.600 0.00 2.52 376.99 374.13 0.093 0.650 0.01 -1.25 376.99 377.30 -0.046 0.700 0.00 4.15 376.99 380.34 0.155 0.750 -0.00 16.89 376.99 382.29 0.621 0.800 -0.01 32.94 376.99 382.62 1.161 0.850 -0.01 47.66 376.99 381.42 1.578 0.900 -0.01 57.38 376.99 379.23 1.797 0.950 -0.01 60.08 376.99 376.61 1.848 1.000 -0.01 55.24 376.99 374.04 1.751 1.050 -0.01 43.72 376.99 372.05 1.473 1.100 -0.00 28.04 376.99 371.25 1.002 1.150 0.00 12.41 376.99 372.12 0.457 1.200 0.00 1.60 376.99 374.54 0.059 1.250 0.01 -0.90 376.99 377.74 -0.032 1.300 0.00 5.63 376.99 380.67 0.211 1.350 0.00 19.02 376.99 382.41 0.696 1.400 -0.00 35.08 376.99 382.51 1.227 1.450 -0.01 49.23 376.99 381.15 1.616 1.500 -0.01 58.03 376.99 378.87 1.810 1.550 -0.01 59.69 376.99 376.24 1.840 1.600 -0.01 53.86 376.99 373.73 1.722 1.650 -0.01 41.63 376.99 371.87 1.416 1.700 -0.00 25.75 376.99 371.29 0.926 1.750 0.00 10.59 376.99 372.40 0.391 1.800 0.01 0.84 376.99 374.97 0.031 1.850 0.01 -0.37 376.99 378.18 -0.013 1.900 0.01 7.28 376.99 380.98 0.271 1.950 0.00 21.25 376.99 382.49 0.774 2.000 -0.00 37.23 376.99 382.37 1.291 REMOVE Ctrl PRINT SCREEN AND THEN PRESS RETURN TO CONTINUE WOULD YOU LIKE TO: 1. UPDATE THE SYNCHRONOUS MACHINE INPUT DATA 2. SET DISTURBANCES AND RUN THE PROGRAM 3. STOP ENTER YOUR SELECTION ( 1,2 OR 3 ) 3