THREE PHASE DELTA AND WYE CONNECTION MATLAB I need help writ
THREE PHASE DELTA AND WYE CONNECTION MATLAB!!!
I need help writing a matlab script that will evaluate three phase power systems in either delta or wye connection. Given the impedance and line voltage or line current, compute the following variables:
1. Power Factor
2. Real Power
3. Reactive Power
4. Apparent Power
5. Complex Power
NOTE: All input quantities must have the ability to be either in polar form or rectangular form, and all output quantities must be in polar form. I WOULD GREATLY APPRECIATE THE HELP OF ANY MATLAB GURUS OUT THERE! iF THERE IS A WAY TO AWARD MORE POINTS FOR THIS QUESTION PLEASE LET ME KNOW..
Solution
Just copy the code and change whatever values you want
%MATLAB CODE STARTS HERE
 clc; clear all;
 % GIVEN ARE THE VALUES OF CURRENT AND IMPEDANCE
 i=2+50i;
 z=2+5i;
 % CALCULATION OF VOLTAGE
 v=i*z
 %REPRESENTATION OF THE INPUT QUANTITIES IN POLAR FORM FROM RECTANGULAR FORM
 % ALL THE ANGLES WILL BE IN RADIANS
 [VANGLE, VMAGNITUDE]=cart2pol(real(v), imag(v))
 [IANGLE, IMAGNITUDE]=cart2pol(real(i), imag(i))
 [ZANGLE, ZMAGNITUDE]=cart2pol(real(z), imag(z))
 %--------------------------CALCULATION OF ANGLES --------------------------------------------------%
 % CALCULATION OF ANGLES OF V AND I
 vang=atand(abs(imag(v))/abs(real(v)))
 iang=atand(abs(imag(i))/abs(real(i)))
 % CALCULATION OF ANGLE OF VOLTAGE WITH QUADRANT
 if imag(v)>0 && real(v)>0
 vang = vang;
 else if imag(v)>0 && real(v)<0
 vang = 180-vang;
 else if imag(v)<0 && real(v)>0
 vang = -vang;
 else if imag(v)<0 && real(v)<0
 vang = vang - 180;
 end
 end
 end
 end
 %--------------------------CALCULATION OF POWERS AND POWER FACTORS---------------------------------%
 % POWER FACTOR CALCULATED IN THESE TWO WAYS.
 % PF ANGLE = ARCTAN(ZIMAGINARY/ZREAL)
 % PF = COS(ANGLE) AND PF = R/Z FROM THE Z VALUE.
 pf=cosd(atand(imag(z)/real(z)))
 pf1=real(z)/abs(z)
 %---------------------------------------------------------------------------------%
  % REAL POWER
 % REAL POWER CAN BE CALCULATED AS SQUARE(I)*R OR V*I*COS(ANGLE BETWEEN V,I)
 P=abs(i)*abs(i)*real(z)
 P1=abs(v)*abs(i)*cosd(vang-iang)
 %---------------------------------------------------------------------------------%
  % REACTIVE POWER
 % REACTIVE POWER CAN BE CALCULATED AS SQUARE(I)*X OR V*I*SIN(ANGLE BETWEEN V,I)
 Q=abs(i)*abs(i)*imag(z)
 Q1=abs(v)*abs(i)*sind(vang-iang)
 %---------------------------------------------------------------------------------%
  % APPARENT POWER
 Sapp=abs(v*conj(i))
 Sapp1=abs(P+Q*1i)
 %---------------------------------------------------------------------------------%
  % COMPLEX POWER
 % COMPLEX POWER CAN BE CALCULATED AS V*CONJUGATE(I) OR P+QI
 S=v*conj(i)
 S1=P+Q*1i %IN RECTANGULAR FORM
 [ANGLE, S] = cart2pol(P, Q) % IN POLAR FORM, ANGLE IS IN RADIANS
 % SIMILARLY THE OTHER WAY CAN BE DONE WHEN VOLTAGE AND IMPEDANCE ARE GIVEN
 % ONLY CHANGE WILL BE IN THE FIRST STEPS WHEREIN FROM VOLTAGE AND IMPEDANCE,
 % THE CURRENT IS CALCULATED AND FROM THERE ALL THE STEPS ARE THE SAME.


