diff options
| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /833/CH2/EX2.7 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '833/CH2/EX2.7')
| -rwxr-xr-x | 833/CH2/EX2.7/Ex2_7.sce | 28 | ||||
| -rwxr-xr-x | 833/CH2/EX2.7/Ex2_7.txt | 28 | ||||
| -rwxr-xr-x | 833/CH2/EX2.7/Result2_7.txt | 24 |
3 files changed, 80 insertions, 0 deletions
diff --git a/833/CH2/EX2.7/Ex2_7.sce b/833/CH2/EX2.7/Ex2_7.sce new file mode 100755 index 000000000..71e3c17c8 --- /dev/null +++ b/833/CH2/EX2.7/Ex2_7.sce @@ -0,0 +1,28 @@ +//Caption: Calculate (a)Z,X,R reffered to h.v side (b)Regulaton on full load at 0.8 power factor lagging (c)Terminal voltage on l.v side on full load at pf=0.8 lagging (d)Efficiency of transformer when current=250A,pf=0.8 lagging is load connected to l.v side and voltage at h.v side is 11000 volts
+//Exa:2.7
+clc;
+clear;
+close;
+P_s=220000//Supplied power (in VA)
+V_1=11000//Primary side voltage(in volt)
+V_2=440//Secondary side voltage(in volt)
+P_i=2200//Iron losses(in watt)
+V=500//voltage applied to high voltage side for open circuit test(in volt)
+P=2000//Wattmeter reading for open circuit test(in watt)
+pf=0.8//Power factor
+I=250//Load current(in A)
+I_fl=P_s/V_1
+r=P/(I_fl^2)
+z=V/I_fl
+x=sqrt(z^2-r^2)
+disp(r,x,z,'(a)Z,X,R(in ohms)=')
+Re=(I_fl*r*pf)+(I_fl*x*sind(acosd(pf)))
+disp(Re,'(b)Regulation on full load on high voltage side(in volts)=')
+Re_1=(Re*V_2)/V_1
+disp(Re_1,'Regulation on full load on low volrage side(in volts)=')
+V_t=V_2-Re_1
+disp(V_t,'(c)Terminal voltage on low voltage side on full load(in volts)=')
+I_c=I*V_2/(V_1)
+W_c=P/(2^2)
+Eff=(V_1*I_c*pf)/((V_1*I_c*pf)+(P_i)+(W_c))*100
+disp(Eff,'(d)Efficiency of transformer(in%)=')
\ No newline at end of file diff --git a/833/CH2/EX2.7/Ex2_7.txt b/833/CH2/EX2.7/Ex2_7.txt new file mode 100755 index 000000000..71e3c17c8 --- /dev/null +++ b/833/CH2/EX2.7/Ex2_7.txt @@ -0,0 +1,28 @@ +//Caption: Calculate (a)Z,X,R reffered to h.v side (b)Regulaton on full load at 0.8 power factor lagging (c)Terminal voltage on l.v side on full load at pf=0.8 lagging (d)Efficiency of transformer when current=250A,pf=0.8 lagging is load connected to l.v side and voltage at h.v side is 11000 volts
+//Exa:2.7
+clc;
+clear;
+close;
+P_s=220000//Supplied power (in VA)
+V_1=11000//Primary side voltage(in volt)
+V_2=440//Secondary side voltage(in volt)
+P_i=2200//Iron losses(in watt)
+V=500//voltage applied to high voltage side for open circuit test(in volt)
+P=2000//Wattmeter reading for open circuit test(in watt)
+pf=0.8//Power factor
+I=250//Load current(in A)
+I_fl=P_s/V_1
+r=P/(I_fl^2)
+z=V/I_fl
+x=sqrt(z^2-r^2)
+disp(r,x,z,'(a)Z,X,R(in ohms)=')
+Re=(I_fl*r*pf)+(I_fl*x*sind(acosd(pf)))
+disp(Re,'(b)Regulation on full load on high voltage side(in volts)=')
+Re_1=(Re*V_2)/V_1
+disp(Re_1,'Regulation on full load on low volrage side(in volts)=')
+V_t=V_2-Re_1
+disp(V_t,'(c)Terminal voltage on low voltage side on full load(in volts)=')
+I_c=I*V_2/(V_1)
+W_c=P/(2^2)
+Eff=(V_1*I_c*pf)/((V_1*I_c*pf)+(P_i)+(W_c))*100
+disp(Eff,'(d)Efficiency of transformer(in%)=')
\ No newline at end of file diff --git a/833/CH2/EX2.7/Result2_7.txt b/833/CH2/EX2.7/Result2_7.txt new file mode 100755 index 000000000..d95763067 --- /dev/null +++ b/833/CH2/EX2.7/Result2_7.txt @@ -0,0 +1,24 @@ +(a)Z,X,R(in ohms)=
+
+ 25.
+
+ 24.494897
+
+ 5.
+
+ (b)Regulation on full load on high voltage side(in volts)=
+
+ 373.93877
+
+ Regulation on full load on low volrage side(in volts)=
+
+ 14.957551
+
+ (c)Terminal voltage on low voltage side on full load(in volts)=
+
+ 425.04245
+
+ (d)Efficiency of transformer(in%)=
+
+ 97.023153
+
\ No newline at end of file |