Three-Phase Symmetric Load Calculations with Ti-84
Explanation of the program for a three-phase symmetric load
Three-phase Voltage systems with a symmetric load is a frequent subject in electric engineering.
With this program, various inputs are possible, as well star as delta configuration for capacitive and inductive load. The circuits show how voltages, loads and currents are defined.
Formulas : Pac= Papparent complex
Pac=√3*(Uline)*(Iline)*= complex power, I*= conjugate of I,
ABS(Pac)= Pa= Apparent power (Va),
Re(Pac)= Ptrue= Real power (Watt),
Im(Pac)= Pr=Reactive power (Var),
cos(Ï•) or power factor (Pf) = (real power)/(apparent power)=(Re(Pac))/Pa
Units : Voltage U(V) current I(A), Z(Ω). 2 Examples are shown.
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