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-rwxr-xr-x833/CH3/EX3.1/Ex3_1.sce22
-rwxr-xr-x833/CH3/EX3.1/Ex3_1.txt22
-rwxr-xr-x833/CH3/EX3.1/Result3_1.txt28
-rwxr-xr-x833/CH3/EX3.2/Ex3_2.sce18
-rwxr-xr-x833/CH3/EX3.2/Ex3_2.txt18
-rwxr-xr-x833/CH3/EX3.2/Result3_2.txt11
-rwxr-xr-x833/CH3/EX3.3/Ex3_3.sce19
-rwxr-xr-x833/CH3/EX3.3/Ex3_3.txt19
-rwxr-xr-x833/CH3/EX3.3/Result3_3.txt12
9 files changed, 169 insertions, 0 deletions
diff --git a/833/CH3/EX3.1/Ex3_1.sce b/833/CH3/EX3.1/Ex3_1.sce
new file mode 100755
index 000000000..05939ea3c
--- /dev/null
+++ b/833/CH3/EX3.1/Ex3_1.sce
@@ -0,0 +1,22 @@
+//Caption: Find Secondary line voltage,Line Current,and output power for (a)delta/delta (b)star/star (c)delta/star (d)star/delta
+//Exa:3.1
+clc;
+clear;
+close;
+V=6600//Supplied voltage(in volts)
+I=20//Supplied current(in A)
+n=15//Number of turns per phase
+V_la=V/n
+I_la=n*I
+disp(V_la,I_la,'(a)(in A),(in volts)=')
+V_lb=V/n
+I_lb=I*n
+disp(V_lb,I_lb,'(b)(in A),(in volts)=')
+V_lc=(V*(3^0.5))/(n)
+I_lc=(n*I)/(3^0.5)
+disp(V_lc,I_lc,'(c)(in A),(in volts)=')
+V_ld=V/(n*(3^0.5))
+I_ld=(3^0.5)*I*n
+disp(V_ld,I_ld,'(d)(in A),(in volts)=')
+P=(3^0.5)*V*I/1000
+disp(P,'(d)Output Power (in KVA)=') \ No newline at end of file
diff --git a/833/CH3/EX3.1/Ex3_1.txt b/833/CH3/EX3.1/Ex3_1.txt
new file mode 100755
index 000000000..05939ea3c
--- /dev/null
+++ b/833/CH3/EX3.1/Ex3_1.txt
@@ -0,0 +1,22 @@
+//Caption: Find Secondary line voltage,Line Current,and output power for (a)delta/delta (b)star/star (c)delta/star (d)star/delta
+//Exa:3.1
+clc;
+clear;
+close;
+V=6600//Supplied voltage(in volts)
+I=20//Supplied current(in A)
+n=15//Number of turns per phase
+V_la=V/n
+I_la=n*I
+disp(V_la,I_la,'(a)(in A),(in volts)=')
+V_lb=V/n
+I_lb=I*n
+disp(V_lb,I_lb,'(b)(in A),(in volts)=')
+V_lc=(V*(3^0.5))/(n)
+I_lc=(n*I)/(3^0.5)
+disp(V_lc,I_lc,'(c)(in A),(in volts)=')
+V_ld=V/(n*(3^0.5))
+I_ld=(3^0.5)*I*n
+disp(V_ld,I_ld,'(d)(in A),(in volts)=')
+P=(3^0.5)*V*I/1000
+disp(P,'(d)Output Power (in KVA)=') \ No newline at end of file
diff --git a/833/CH3/EX3.1/Result3_1.txt b/833/CH3/EX3.1/Result3_1.txt
new file mode 100755
index 000000000..9ac79ff62
--- /dev/null
+++ b/833/CH3/EX3.1/Result3_1.txt
@@ -0,0 +1,28 @@
+(a)(in A),(in volts)=
+
+ 300.
+
+ 440.
+
+ (b)(in A),(in volts)=
+
+ 300.
+
+ 440.
+
+ (c)(in A),(in volts)=
+
+ 173.20508
+
+ 762.10236
+
+ (d)(in A),(in volts)=
+
+ 519.61524
+
+ 254.03412
+
+ (d)Output Power (in KVA)=
+
+ 228.63071
+ \ No newline at end of file
diff --git a/833/CH3/EX3.2/Ex3_2.sce b/833/CH3/EX3.2/Ex3_2.sce
new file mode 100755
index 000000000..0b13b6eba
--- /dev/null
+++ b/833/CH3/EX3.2/Ex3_2.sce
@@ -0,0 +1,18 @@
+//Caption: Calculate Phase and Line currents in (a)High voltage (b)Low voltage windings of transformer
+//Exa:3.2
+clc;
+clear;
+close;
+P=50000//Power of induction motor(in watts)
+V=440//Voltage of induction motor(in volts)
+eff=90//Efficiency(in%)
+pf=0.85//power factor
+V_1=11000//Primary side voltage of transformer(in volts)
+V_2=440//Secondary side voltage of transformer(in volts)
+I_fl=P/((3^0.5)*V*pf*(eff/100))
+v=V/(3^0.5)
+n=V_1/v
+I_ph=I_fl/(n)
+I_l=(3^0.5)*I_ph
+disp(I_ph,I_l,'(a)High Voltage side line and phase currents(inA)=')
+disp(I_fl,I_fl,'(b)Low voltage side phase and line currents(inA)=') \ No newline at end of file
diff --git a/833/CH3/EX3.2/Ex3_2.txt b/833/CH3/EX3.2/Ex3_2.txt
new file mode 100755
index 000000000..0b13b6eba
--- /dev/null
+++ b/833/CH3/EX3.2/Ex3_2.txt
@@ -0,0 +1,18 @@
+//Caption: Calculate Phase and Line currents in (a)High voltage (b)Low voltage windings of transformer
+//Exa:3.2
+clc;
+clear;
+close;
+P=50000//Power of induction motor(in watts)
+V=440//Voltage of induction motor(in volts)
+eff=90//Efficiency(in%)
+pf=0.85//power factor
+V_1=11000//Primary side voltage of transformer(in volts)
+V_2=440//Secondary side voltage of transformer(in volts)
+I_fl=P/((3^0.5)*V*pf*(eff/100))
+v=V/(3^0.5)
+n=V_1/v
+I_ph=I_fl/(n)
+I_l=(3^0.5)*I_ph
+disp(I_ph,I_l,'(a)High Voltage side line and phase currents(inA)=')
+disp(I_fl,I_fl,'(b)Low voltage side phase and line currents(inA)=') \ No newline at end of file
diff --git a/833/CH3/EX3.2/Result3_2.txt b/833/CH3/EX3.2/Result3_2.txt
new file mode 100755
index 000000000..3fcf7ba85
--- /dev/null
+++ b/833/CH3/EX3.2/Result3_2.txt
@@ -0,0 +1,11 @@
+(a)High Voltage side line and phase currents(inA)=
+
+ 3.4304829
+
+ 1.9805902
+
+ (b)Low voltage side phase and line currents(inA)=
+
+ 85.762072
+
+ 85.762072 \ No newline at end of file
diff --git a/833/CH3/EX3.3/Ex3_3.sce b/833/CH3/EX3.3/Ex3_3.sce
new file mode 100755
index 000000000..b5e86d406
--- /dev/null
+++ b/833/CH3/EX3.3/Ex3_3.sce
@@ -0,0 +1,19 @@
+//Caption: Find possible voltage ratio and output for connections (a)BC=11500V,AC=2300V (b)BC=2300V,AC=11500V
+//Exa:3.3
+clc;
+clear;
+close;
+V_1=11500//Voltage on primary side(in volts)
+V_2=2300//Voltage on secondary side(in volts)
+P_o=100000//Rated output(in VA)
+V=V_1+V_2
+v=V/V_1
+I_1=P_o/V_1
+I_2=P_o/V_2
+I=I_1+I_2
+W_o=(V_1*I)/1000
+Cu=1-(V_1/V)//(a)Ratio of weight of copper
+disp(W_o,v,'(a)Voltage ratio and output(in KVA)=')
+w_o=(V_2*I)/(1000)
+cu=1-(V_2/v)//(b)Ratio of weight of copper
+disp(w_o,v,'(b)Voltage ratio and output(in KVA)=') \ No newline at end of file
diff --git a/833/CH3/EX3.3/Ex3_3.txt b/833/CH3/EX3.3/Ex3_3.txt
new file mode 100755
index 000000000..b5e86d406
--- /dev/null
+++ b/833/CH3/EX3.3/Ex3_3.txt
@@ -0,0 +1,19 @@
+//Caption: Find possible voltage ratio and output for connections (a)BC=11500V,AC=2300V (b)BC=2300V,AC=11500V
+//Exa:3.3
+clc;
+clear;
+close;
+V_1=11500//Voltage on primary side(in volts)
+V_2=2300//Voltage on secondary side(in volts)
+P_o=100000//Rated output(in VA)
+V=V_1+V_2
+v=V/V_1
+I_1=P_o/V_1
+I_2=P_o/V_2
+I=I_1+I_2
+W_o=(V_1*I)/1000
+Cu=1-(V_1/V)//(a)Ratio of weight of copper
+disp(W_o,v,'(a)Voltage ratio and output(in KVA)=')
+w_o=(V_2*I)/(1000)
+cu=1-(V_2/v)//(b)Ratio of weight of copper
+disp(w_o,v,'(b)Voltage ratio and output(in KVA)=') \ No newline at end of file
diff --git a/833/CH3/EX3.3/Result3_3.txt b/833/CH3/EX3.3/Result3_3.txt
new file mode 100755
index 000000000..59e3a0561
--- /dev/null
+++ b/833/CH3/EX3.3/Result3_3.txt
@@ -0,0 +1,12 @@
+(a)Voltage ratio and output(in KVA)=
+
+ 1.2
+
+ 600.
+
+ (b)Voltage ratio and output(in KVA)=
+
+ 1.2
+
+ 120.
+ \ No newline at end of file
generated by cgit (git 2.34.1) at 2025-01-23 04:23:08 +0000