1 files changed, 31 insertions, 0 deletions
diff --git a/3760/CH6/EX6.4/Ex6_4.sce b/3760/CH6/EX6.4/Ex6_4.sce
new file mode 100644
index 000000000..cd614c991
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+++ b/3760/CH6/EX6.4/Ex6_4.sce
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+clc;
+f1=50; //frequency of supply
+f2=20; //frequency required by the load
+P=4;
+//for part a
+
+Nrf_ss=(120*f1)/P; //Speed of rotor field w.r.t stator structure
+Nrf_rs=(120*f2)/P; //Speed of stator field w.r.t rotor structure
+//Nr (+or-) speed of rotor field w.r.t rotor = speed of stator field w.r.t stator
+//for +ve sign rotor must be driven in the direction of stator field at a speed 
+Nr1=Nrf_ss-Nrf_rs;
+Nr2=Nrf_ss+Nrf_rs;
+mprintf('The two speeds are %d and %d \n',Nr1,Nr2);
+
+
+//for part b
+
+//for rotor speed Nr1
+s1=(Nrf_ss-Nr1)/Nrf_ss;
+//for rotor speed Nr2
+s2=(Nrf_ss-Nr2)/Nrf_ss;
+//On evaluation the ratio of voltages is found as 
+ R=s1/s2; //R=E1/E2
+mprintf('The ratio of two voltages available at the slip rings at the two speeds is %d',R);
+
+//for part c
+
+
+
+
+