1 files changed, 30 insertions, 0 deletions
diff --git a/3816/CH8/EX8.5/8_5.sce b/3816/CH8/EX8.5/8_5.sce
new file mode 100644
index 000000000..c631fa0cf
--- /dev/null
+++ b/3816/CH8/EX8.5/8_5.sce
@@ -0,0 +1,30 @@
+clc;
+clear;
+Sfl=0.05;//slip of full load current
+disp('during direct switching')
+Vmp=1;
+Imp=6*Vmp;
+Ila=6*Vmp;
+Ta=0.3*Imp;
+disp(Ta,Ila,Imp,Vmp,'The motor phase voltage,motor phase current line current and torque during direct switching are:')
+disp('During stator resistance switching:')
+Vmpb=0.33;
+Impb=6*Vmpb;
+Ilb=6*Vmpb;
+Tb=0.3*Impb;
+disp(Tb,Ilb,Impb,Vmpb,'The motor phase voltage,motor phase current line current and torque during stator resistance switching are:')
+disp('During auto transformer starting with the motor current limied to 2pu')
+Vmpc=0.33;
+Impc=6*Vmpc;
+Ilc=6*Vmpc;
+Tc=0.3*Impc;
+disp(Tc,Ilc,Impc,Vmpc,'The motor phase voltage,motor phase current line current and torque during auto transformer starting with the motor current limied to 2pu switching are:')
+disp('During star delta starting:')
+Vmpd=0.58;
+Impd=6*Vmpd;
+Ild=6*Vmpd;
+Td=0.3*Impd;
+disp(Td,Ild,Impd,Vmpd,'The motor phase voltage,motor phase current line current and torque during star delta starting are:')
+disp('For full load torque ')
+Ilat=(0.75^2);
+disp('times the full load current',Ilat,'The line current is:')