Electric Machinery Fundamentals Power & Energy 5 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 ... Versus Load'); xlabel ('\bfLoad (A)'); ylabel ('\bfVoltage Regulation (%)'); legend('0. 85 PF lagging','1.0 PF','0....

Ngày tải lên: 21/06/2014, 21:20

... plot(t,vx,'b','Linewidth',1.0); hold on; plot(t,vy,'k ','Linewidth',1.0); title('\bfReference Voltages for fr = 50 0 Hz'); xlabel('\bfTime (s)'); ... plot(t,vb,'r:','Linewidth',2.0); plot(t,vc,'k ','Linewidth',2.0); title('\bfPhase Voltages'); xlabel('\bfTime (s)')...

Ngày tải lên: 21/06/2014, 21:20

... 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); ... EQ,PSSP Z ′′ =+ VV I ()() 15, 000 0 V 16,667 36.87 A 0.01 35 0. 056 3 15, 755 2.24 V P j=∠°+ ∠−° + Ω=∠°V Therefore the voltage regulation of the transformer...

Ngày tải lên: 21/06/2014, 21:20

... () ( ) ( ) 2 22 BO 0.00 05 A 150 0 ln 0.00 15 ln 5. 5 ms 30 V H IR tRC V Ω =− =− = Therefore, the period of the relaxation oscillator is T = 178 ms + 5. 5 ms = 183 .5 ms, and the frequency of ... ) ,pu cos 1 0.47 65 cos41.6 0. 356 G PVI θ == °= ()( ) ,pu sin 1 0.47 65 sin 41.6 0.316 G QVI θ == °= ()( ) ,pu 1 0.47 65 0.47 65 G SVI== = ()( ) ,pu base 0. 356 1000 kVA...

Ngày tải lên: 21/06/2014, 21:20

... 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 ... Load'); xlabel ('\bfLoad (A)'); ylabel ('\bfTerminal Voltage (V)'); legend('0.8 PF lagging','1.0 PF','0.8 PF l...

Ngày tải lên: 21/06/2014, 21:20

... 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); ... Law, ,, ,, () Ag Am S g Sm A jX X=+ +EE I 152 The resulting plot is shown below 350 400 450 50 0 55 0 600 650 700 200 210 220 230 240 250 260 E A (V) I A (A) Synchronous M...

Ngày tải lên: 21/06/2014, 21:20

... 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 ....

Ngày tải lên: 21/06/2014, 21:20

... Equations (8 -55 ) and (8 -56 ). 230 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)'); ... 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)');...

Ngày tải lên: 21/06/2014, 21:20

... current'); axis ([0 5 0 150 ]); set(gca,'YTick',[0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 ]') set(gca,'XTick',[0 0 .5 1.0 1 .5 2.0 2 .5 3.0 3 .5 4.0 4 .5 5.0]') ... (['Vt = ' num2str(Vt(ii)) ' V']); disp (['If = ' num2str(i_f(ii)) ' A']); % Plot the curves figure(1); plot(i_f,Ea,'b-...

Ngày tải lên: 21/06/2014, 21:20

... current'); axis ([0 5 0 150 ]); set(gca,'YTick',[0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 ]') set(gca,'XTick',[0 0 .5 1.0 1 .5 2.0 2 .5 3.0 3 .5 4.0 4 .5 5.0]') ... disp (['Ea = ' num2str(Ea(ii)) ' V']); disp (['Vt = ' num2str(Vt(ii)) ' V']); disp (['If = ' num2str(i_f(ii)) '...

Ngày tải lên: 21/06/2014, 21:20