Electric Machinery Fundamentals Power & Energy 9 doc

Electric Machinery Fundamentals Power & Energy_3 docx

... plot(amps,VR(1,:),'b-','LineWidth',2.0); hold on; plot(amps,VR(2,:),'k ','LineWidth',2.0); plot(amps,VR(3,:),'r ','LineWidth',2.0); title ('\bfVoltage ... plot(amps,abs(VSP(3,:)),'r ','LineWidth',2.0); title ('\bfSecondary Voltage Versus Load'); xlabel ('\bfLoad (A)'); ylabel ('\bfSecondary Voltage (V)'); legend('0.85 ... Versus Load'); xlabel ('\bfLoad (A)'); ylabel ('\bfVoltage Regulation (%)'); legend('0.85 PF lagging','1.0 PF','0.85 PF leading'); grid...

Electric Machinery Fundamentals Power & Energy_5 docx

... plot(t,vx,'b','Linewidth',1.0); hold on; plot(t,vy,'k ','Linewidth',1.0); title('\bfReference Voltages for fr = 500 Hz'); xlabel('\bfTime (s)'); ... plot(t,vb,'r:','Linewidth',2.0); plot(t,vc,'k ','Linewidth',2.0); title('\bfPhase Voltages'); xlabel('\bfTime (s)'); ylabel('\bfVoltage (V)'); grid ... plot(t,vx,'b','Linewidth',1.0); hold on; plot(t,vy,'k ','Linewidth',1.0); title('\bfReference Voltages for fr = 1000 Hz'); xlabel('\bfTime (s)'); ylabel('\bfVoltage...

Electric Machinery Fundamentals Power & Energy_6 doc

... plot(I,abs(VT_lag),'b-','LineWidth',2.0); hold on; plot(I,abs(VT_unity),'k ','LineWidth',2.0); plot(I,abs(VT_lead),'r ','LineWidth',2.0); title ('\bfTerminal ... plot(Pload,PB,'k ','LineWidth',2.0); plot(Pload,PC,'r ','LineWidth',2.0); plot([0 10],[3 3],'k','LineWidth',1.0); plot([0 10],[0 0],'k:'); ... title ('\bfPower Sharing Versus Total Load'); xlabel ('\bfTotal Load (MW)'); ylabel ('\bfGenerator Power (MW)'); legend('Generator A','Generator B','Generator...

Electric Machinery Fundamentals Power & Energy_9 doc

... plot(nm,t_ind,'k-','LineWidth',2.0); xlabel('\bf\itn_{m}'); ylabel('\bf\tau_{ind}'); title ('\bfInduction Motor Torque-Speed Characteristic'); ... plot(nm,eff,'b-','LineWidth',2.0); xlabel('\bf\itn_{m} \rm\bf(r/min)'); ylabel('\bf\eta (%)'); title ('\bfEfficiency versus Speed'); grid ... plot(nm,t_ind,'b-','LineWidth',2.0); xlabel('\bf\itn_{m} \rm\bf(r/min)'); ylabel('\bf\tau_{ind} \rm\bf(N-m)'); title ('\bfInduced Torque versus Speed');...

Electric Machinery Fundamentals Power & Energy_14 doc

... 7.103541 40.03. 793 874 62.0007621 jjAE V 7.1 098 90 °∠=AE (b) The voltage regulation of this generator is %8. 29% 1007621762 198 90%100flflnl=×−=×−VVV (c) The power supplied ... kW 105 .9 kW 46.04 kW 86. 59 21TOT=+=+= PPP TOT 1 234.56 kvar 34.53 kvar 69. 09 kvarQQQ=+= + = The apparent power supplied by the utility is 22TOT TOT TOT126.4 kVASPQ=+= The power ... 18.025.018.025.0227732δδ 1 79= −=P At °= 45δ, 1 79 kW can be drawn from the motor. 298 ()() ()()()δδ2 sin 40.0 62.040.062.0276213 sin 62.0 98 90762132−+=P...

Electric Machinery Fundamentals Power & Energy_2 potx

... plot(amps,abs(VS(1,:)/1000),'b-','LineWidth',2.0); hold on; plot(amps,abs(VS(2,:)/1000),'k ','LineWidth',2.0); plot(amps,abs(VS(3,:)/1000),'r ','LineWidth',2.0); ... title ('\bfSecondary Voltage Versus Load'); xlabel ('\bfLoad (A)'); ylabel ('\bfSecondary Voltage (kV)'); legend('0.8 PF lagging','1.0 PF','0.8 ... overall efficiency of the power system will be the ratio of the output power to the input power. The output power supplied to the load is POUT = 90 kW. The input power supplied by the source...

Electric Machinery Fundamentals Power & Energy_4 pptx

... ()()Load,pu Load 0.4 09 8.65 2.358 0.1 09 0 .96 6 6.0Zj==∠−°+ =∠−°VI ()( )Load Load,pu base30 .96 6 480 V 464 VVVV== = The power supplied to the two loads is the power supplied to the resistive ... ()()22Load,pu Load0.4 09 2.358 0. 394 PIR== = ()( )Load Load,pu base0. 394 1000 kVA 394 kWPPS== = The power supplied by the generator is ()( ),pucos 1 0.4 09 cos6.0 0.407GPVIθ== ... 1000 kVA 42.8 kVARGGQQS== = ()( ),pu base0.4 09 1000 kVA 4 09 kVAGGSSS== = The power factor of the generator is PF cos 6.0 0 .99 5 lagging=°= (d) The transmission losses with the...

Electric Machinery Fundamentals Power & Energy_8 ppt

... plot(If,abs(Ia_nl),'k-','Linewidth',2.0); hold on; plot(If,abs(Ia_half),'b ','Linewidth',2.0); plot(If,abs(Ia_full),'r:','Linewidth',2.0); ... real power from or supplying real power to the power system? Is it consuming reactive power from or supplying reactive power to the power system? (d) Calculate the real power P and reactive power ... real power from or supplying real power to the power system? Is it consuming reactive power from or supplying reactive power to the power system? (b) Calculate the real power P and reactive power...

Electric Machinery Fundamentals Power & Energy_11 ppt

... plot(t_ind_noar,n_noar,'b-','LineWidth',2.0); hold on; plot(t_ind_ar,n_ar,'k ','LineWidth',2.0); xlabel('\bf\tau_{ind} (N-m)'); ylabel('\bf\itn_{m} ... figure(1); plot(t_ind,n,'b-','LineWidth',2.0); xlabel('\bf\tau_{ind} (N-m)'); ylabel('\bf\itn_{m} \rm\bf(r/min)'); title ('\bfDifferentially-Compounded ... figure(1); plot(t_ind,n,'b-','LineWidth',2.0); hold on; xlabel('\bf\tau_{ind} (N-m)'); ylabel('\bf\itn_{m} \rm\bf(r/min)'); title ('\bfSeries DC Motor...

Electric Machinery Fundamentals Power & Energy_12 pptx

... (['Vt = ' num2str(Vt(ii)) ' V']); disp (['If = ' num2str(i_f(ii)) ' A']); % Plot the curves figure(1); plot(i_f,Ea,'b-','LineWidth',2.0); ... figure(1); plot(t_ind,n,'b-','LineWidth',2.0); xlabel('\bf\tau_{ind} (N-m)'); ylabel('\bf\itn_{m} \rm\bf(r/min)'); title ('\bfCumulatively-Compounded ... figure(1); plot(t_ind,n,'b-','LineWidth',2.0); xlabel('\bf\tau_{ind} (N-m)'); ylabel('\bf\itn_{m} \rm\bf(r/min)'); title ('\bfDifferentially-Compounded...

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