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] of 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 Factors [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-circuits
       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 and Tables