Strömfördelning i elektrisk krets

>>> p1=power(U=230,Q=1800,P=1400)
>>> p2=power(U=230,P=800)
>>> p3=power(U=230, S=2000, pf=0.6)
>>> p1+p2+p3
Name: (() + ()) + ()
Given:
  U:    230 V                
  R:   7.78 ohm              
  X:   7.78 ohm              
Calculated (in this order):
rad:  0.785 pi     (atan(X/R))
  v:     45 deg    (degrees(rad))
 pf:  0.707 P/S    (cos(rad))
 Ur:    163 V      (U*cos(rad))
 Ux:    163 V      (U*sin(rad))
  I:   20.9 A      (Ur/R)
  S:   4.81 kVA    (U*I)
  P:    3.4 kW     (S*cos(rad))
  Q:    3.4 kVAr   (S*sin(rad))
 Ir:   14.8 A      (I*cos(rad))
 Ix:   14.8 A      (I*sin(rad))
  Z:     11 ohm    (U/I)
  L:   24.8 mH     (X/w)
>>> p4=p1+p2+p3
>>> p5=power(U=230, P=p4.P, pf=0.95)
>>> p5
Given:
 pf:   0.95 P/S              
  P:    3.4 kW               
  U:    230 V                
Calculated (in this order):
  S:   3.58 kVA    (P/pf)
  Q:   1.12 kVAr   (sign*sqrt(S**2 - P**2))
rad:  0.318 pi     (atan(Q/P))
  v:   18.2 deg    (degrees(rad))
 Ur:    218 V      (U*cos(rad))
 Ux:   71.8 V      (U*sin(rad))
  I:   15.6 A      (S/U)
 Ir:   14.8 A      (I*cos(rad))
 Ix:   4.86 A      (I*sin(rad))
  Z:   14.8 ohm    (U/I)
  R:     14 ohm    (P/I**2)
  X:   4.62 ohm    (Q/I**2)
  L:   14.7 mH     (X/w)