A Network Reduction-restoration (equivalence) Theory, |
Common terms and phrases
admittance matrix basis set chapter circuit equations coefficient matrix contains cotree coupled Daisy digital computer displaced E-graph calculation electric network element 4-1 elements incident equations for SD equivalent F-element f-seg matrix formulas graph of Fig graph reduction I-explicit ID(S IDM(S IE(S impedance matrix IN(S incidence matrix inverse required Is(s ISD(S J-vertex J-vertices last equation last two equations Lemma matrix inversion matrix multiplication matrix of eq matrix triple product Ne-element non-circuit elements number of circuits number of elements number of rows number of vertices parallel elements phantom load power system Proof reduction calculation restoration calculation result row of eq seg equations SEND set of seg solution of eq specifies subgraph submatrices subset system for SD system of equations TDSI TDSV TEI(S TEV(S Theorem tree of ND U₁ V-explicit F-equations V-explicit form V₁ VD(S VDB(S VE(S vertex VN(S voltages Vs(S VSD(S Ys(s YSD(S ZONE Zs(s