Electric Machinery Fundamentals Power & Energy 12 pptx

... yields: ()() 12 12 1 sin cos sin cos sin M dV BtBt BtBt t dt RC RC ωω ωω ω ++ += ()() 12 12 1 cos in sin cos sin M V BtBst B tB t t RC RC ωωω ω ω ω ω −+ += cosine equation: 12 1 0 BB RC ω += ... zeros(1 ,128 ); for ii = 1 :128 waveform(ii) = half wave3(ii*pi/64); end % Now calculate the ripple factor r = ripple(waveform); % Print out the result string = ['...

Ngày tải lên: 21/06/2014, 21:20

... (['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 ('\bfCumulativel...

Ngày tải lên: 21/06/2014, 21:20

... disp (['Ea = ' num2str(Ea(ii)) ' V']); disp (['Vt = ' num2str(Vt(ii)) ' V']); disp (['If = ' num2str(i_f(ii)) ' A']); disp (['If_a ... figure(1) plot(nm,t_ind,'Color','b','LineWidth',2.0); xlabel('\itn_{m} \rm(r/min)'); ylabel('\tau_{ind} \rm(N-m)'); title ('Single...

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); ... title ('\bfSecondary Voltage Versus Load'); xlabel ('\bfLoad (A)'); ylabel ('\bfSecondary Voltage (kV)'); legend('0.8 PF laggi...

Ngày tải lên: 21/06/2014, 21:20

... 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(1,:)),'b-','LineWidth',2.0); hold on; plot(amps,abs(VSP(2,:)),'k ','LineWidth',2.0); plot(amps,abs(VSP(3,:))...

Ngày tải lên: 21/06/2014, 21:20

... plot(t,vout,'b','Linewidth',1.0); title('\bfOutput Voltage for fr = 1000 Hz'); xlabel('\bfTime (s)'); ylabel('\bfVoltage (V)'); axis( [0 1/30 -120 120 ]); ... plot(t,vx,'b','Linewidth',1.0); hold on; plot(t,vy,'k ','Linewidth',1.0); title('\bfReference Voltages for fr = 500 Hz'); xla...

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 ... plot(Pload,PB,'k ','LineWidth',2.0); plot(Pload,PC,'r ','LineWidth',2.0); plot([0 10],[3 3],'k','LineWidt...

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); ... 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 pow...

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

... 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 ('\bfDiffere...

Ngày tải lên: 21/06/2014, 21:20