.Spot.ACabc.Ports.YDportTrafo_p_n

Information

Defines Y- and Delta-topology transform of voltage and current variables and contains additionally voltage and current scaling.

Below

  term, v, i, w

denote either the 'primary' or 'secondary' side

  term_p, v1, i1, w1
  term_n, v2, i2, w2

Definitions

  v:     scaled voltage across conductor
  i:     scaled current through conductor
  v_n:   voltage neutral point if Y-topology
  i_n:   current neutral to ground if Y-topology
  w:     voltage ratio to nominal (any value, but common for primary and secondary)

Relations Y-topology, (v, i: terminal to neutral point)

  v = (term.v - {v_n, v_n, v_n})/w
  term.i = i/w
  i_n = sum(term.i)

Relations Delta-topology, (v, i: phase terminal to phase terminal)

  v_cond = v_term[{1,2,3}] - v_term[{2,3,1}]
  i_term = i_cond[{1,2,3}] - i_cond[{3,1,2}]