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Diffstat (limited to '2459/CH9/EX9.16/Ex9_16.sce')
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1 files changed, 45 insertions, 0 deletions
diff --git a/2459/CH9/EX9.16/Ex9_16.sce b/2459/CH9/EX9.16/Ex9_16.sce new file mode 100644 index 000000000..945120c2c --- /dev/null +++ b/2459/CH9/EX9.16/Ex9_16.sce @@ -0,0 +1,45 @@ +//chapter9
+//example9.16
+//page158
+
+// for dc output
+ // for centre-tap circuit
+ n=5
+ Vp=230 // V rms
+ Rl=100 //ohm
+ Vs=Vp/n // V rms
+ Vsm=Vs*2^0.5 // maximum voltage across secondary
+ Vm=Vsm/2 // maximum voltage across half secondary winding
+ Vdc=2*Vm/%pi // since Vdc=Idc*Rl and Idc=2*Vm/(%pi*Rl)
+
+ // for bridge circuit
+ n_dash=5
+ Vp_dash=230 // V rms
+ Rl_dash=100 //ohm
+ Vs_dash=Vp_dash/n_dash// V rms
+ Vsm_dash=Vs*2^0.5 // maximum voltage across secondary
+ Vm_dash=Vsm_dash
+ Vdc_dash=2*Vm_dash/%pi // since Vdc=Idc*Rl and Idc=2*Vm/(%pi*Rl)
+
+
+// for same dc output Vm must be same for both circuits i.e. n=5 for centre-tap and n=10 for bridge
+ // for centre-tap circuit
+ n1=5
+ Vs1=Vp/n1 // V rms
+ Vsm1=Vs1*2^0.5 // maximum voltage across secondary
+ Vm1=Vsm1/2
+ PIV1=2*Vm1
+
+ // for bridge circuit
+ n2=5
+ Vs2=Vp/n2 // V rms
+ Vsm2=Vs2*2^0.5 // maximum voltage across secondary
+ Vm2=Vsm2/2
+ PIV2=Vm2
+
+printf("dc output voltage for centre-tap circuit = %.3f V \n",Vdc)
+printf("dc output voltage for bridge circuit = %.3f V \n \n",Vdc_dash)
+
+printf("for same output, PIV for centre-tap circuit = %.3f V and bridge circuit = %.3f V \n",PIV1,PIV2)
+
+// the figure of transformer is for reference only. Also it cannot be plotted in scilab since scilab does not have centre-tap transformer
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