3 files changed, 64 insertions, 0 deletions
diff --git a/833/CH12/EX12.2/Ex12_2.sce b/833/CH12/EX12.2/Ex12_2.sce
new file mode 100755
index 000000000..ad770419b
--- /dev/null
+++ b/833/CH12/EX12.2/Ex12_2.sce
@@ -0,0 +1,28 @@
+//Caption:Find (a)Starting current (b)Starting torque
+//Exa:12.2
+clc;
+clear;
+close;
+P=3000//Power of motor(in watt)
+V=415//Voltage supplied(in volts)
+f=50//Frequency(in hertz)
+p=6//Number of poles
+pf=0.8//Power factor
+pfs=0.64//Power factor on short circuit
+pfn=0.1//No load power factor
+I_n=3.5//No load current(in A)
+P_n=250//Power input on no load test(in watt)
+r_s=1.5//Stator resistance per phase(in ohm)
+V_r=115//Reduced voltage applied at short circuit test(in volts)
+I_s=13//Current supplied on short circuit test(in A)
+P_s=1660//Voltage applied at short circuit test(in watt)
+n_s=1000//Synchronous speed(in r.p.m)
+R2=1.77//Rotor resistance referred to stator(in ohms)
+I_st=I_s*V/(V_r)
+disp(I_st,'(a)Starting current(in A)=')
+I_i=I_st*(cosd(pfs)+(%i*(sind(pfs))))
+I_o=I_n*(cosd(pfn)+(%i*(sind(pfn))))
+I_2=I_i-I_o
+P_ri=3*(I_2*conj(I_2))*R2
+T=P_ri/(2*%pi*(n_s/60))
+disp(T,'(b)Starting torque(in N-m)=')
+\ No newline at end of file
diff --git a/833/CH12/EX12.2/Ex12_2.txt b/833/CH12/EX12.2/Ex12_2.txt
new file mode 100755
index 000000000..ad770419b
--- /dev/null
+++ b/833/CH12/EX12.2/Ex12_2.txt
@@ -0,0 +1,28 @@
+//Caption:Find (a)Starting current (b)Starting torque
+//Exa:12.2
+clc;
+clear;
+close;
+P=3000//Power of motor(in watt)
+V=415//Voltage supplied(in volts)
+f=50//Frequency(in hertz)
+p=6//Number of poles
+pf=0.8//Power factor
+pfs=0.64//Power factor on short circuit
+pfn=0.1//No load power factor
+I_n=3.5//No load current(in A)
+P_n=250//Power input on no load test(in watt)
+r_s=1.5//Stator resistance per phase(in ohm)
+V_r=115//Reduced voltage applied at short circuit test(in volts)
+I_s=13//Current supplied on short circuit test(in A)
+P_s=1660//Voltage applied at short circuit test(in watt)
+n_s=1000//Synchronous speed(in r.p.m)
+R2=1.77//Rotor resistance referred to stator(in ohms)
+I_st=I_s*V/(V_r)
+disp(I_st,'(a)Starting current(in A)=')
+I_i=I_st*(cosd(pfs)+(%i*(sind(pfs))))
+I_o=I_n*(cosd(pfn)+(%i*(sind(pfn))))
+I_2=I_i-I_o
+P_ri=3*(I_2*conj(I_2))*R2
+T=P_ri/(2*%pi*(n_s/60))
+disp(T,'(b)Starting torque(in N-m)=')
+\ No newline at end of file
diff --git a/833/CH12/EX12.2/Result12_2.txt b/833/CH12/EX12.2/Result12_2.txt
new file mode 100755
index 000000000..30c8a52ea
--- /dev/null
+++ b/833/CH12/EX12.2/Result12_2.txt
@@ -0,0 +1,8 @@
+(a)Starting current(in A)=   
+ 
+    46.913043  
+ 
+ (b)Starting torque(in N-m)=   
+ 
+    95.567391  
+ 
+\ No newline at end of file