FOREWORD
1 General
   1.1 Scope and object
   1.2 Reference documents
   1.3 Application of the factors
        1.3.1 Factor [c]
        1.3.2 Factors K[G] and K[S] or K[SO]
        1.3.3 Factors K[G,S], K[T,S] or K[G,SO], K[T,SO]
        1.3.4 Factor K[T]
        1.3.5 Factor [kappa]
        1.3.6 Factors [mu], [lambda] and [q]
        1.3.7 Factors [m] and [n]
        1.3.8 Contribution of asynchronous motors to the
              initial symmetrical short-circuit current
   1.4 Symbols, subscripts and superscripts
        1.4.1 Symbols
        1.4.2 Subscripts
        1.4.3 Superscripts
2 Factors used in IEC 60909-0
   2.1 Voltage factor [c] for the equivalent voltage source
        at the short-circuit location
        2.1.1 General
        2.1.2 Calculation methods
        2.1.3 Equivalent voltage source at the short-circuit
              location and voltage factor [c]
        2.1.4 A simple model illustrating the meaning of the
              voltage factor [c]
   2.2 Impedance-correction factors when calculating the
        short-circuit impedances of generators, unit
        transformers and power-station units
        2.2.1 General
        2.2.2 Correction factor K[G]
        2.2.3 Correction factors for power station units with
              on-load tap changer
        2.2.4 Correction factors for power station units
              without on-load tap-changer
        2.2.5 Influence of the impedance correction factor for
              power-station units when calculating short-circuit
              currents in meshed networks and maximum
              short-circuit currents at worst-case load flow
   2.3 Impedance correction factor K[T] when calculating the
        short-circuit impedances of network transformers
        2.3.1 General
        2.3.2 Example for a network transformer S[rT] = 300 MVA
        2.3.3 Statistical examination of 150 network transformers
        2.3.4 Impedance correction factors for network
              transformers in meshed networks
   2.4 Factor [kappa] for the calculation of the peak
        short-circuit current
        2.4.1 General
        2.4.2 Factor [kappa] in series R-L-circuits
        2.4.3 Factor [kappa] of parallel R-L-Z branches
        2.4.4 Calculation of the peak short-circuit current I[p]
              in meshed networks
        2.4.5 Example for the calculation of [kappa] and I[p] in
              meshed networks
   2.5 Factor [mu] for the calculation of the symmetrical
        short-circuit breaking current
        2.5.1 General
        2.5.2 Basic concept
        2.5.3 Calculation of the symmetrical short-circuit
              breaking current I[b] with the factor [mu]
   2.6 Factor [lambda] (lambda[max], lambda[min]) for the
        calculation of the steady-state short-circuit current
        2.6.1 General
        2.6.2 Influence of iron saturation
   2.7 Factor [q] for the calculation of the short-circuit
        breaking current of asynchronous motors
        2.7.1 General
        2.7.2 Derivation of factor [q]
        2.7.3 Short-circuit breaking currents in the case of
              unbalanced short circuits
   2.8 Factors [m] and [n] for the calculation of the Joule
        integral or the thermal equivalent short-circuit current
        2.8.1 General
        2.8.2 Time-dependent three-phase short-circuit current
        2.8.3 Factor [m]
        2.8.4 Factor [n]
        2.8.5 Factor [n] in IEC 60909-0, figure 22
   2.9 Statement of the contribution of asynchronous motors or
        groups of asynchronous motors (equivalent motors) to the
        initial symmetrical short-circuit current
        2.9.1 General
        2.9.2 Short circuit at the terminals of asynchronous
              motors
        2.9.3 Partial short-circuit currents of asynchronous
              motors fed through transformers
        2.9.4 Sum of partial short-circuit currents of several
              groups of asynchronous motors fed through several
              transformers
Bibliography
Figures
Tables