With ever-evolving technologies and materials, the range of addressable applications across industries has never been so varied or offered such huge opportunities. X d” Subtransient reactance p. The mapping of these parameters to the virtual representation is given in Table 5 a b Fig. Ships, Offshore construction works, Electrical installations, Short-circuit currents, Mathematical calculations, Alternating current, Three-phase current. Please download Chrome or Firefox or view our browser tips.

iec 61363-1

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Ra Stator resistance p. Search all products by. In this case only a subset of the parameters described in the previous sections will be used. The user should not specify a result file here. Post-process the result file.

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Subtransient time constant Standard IECitem 5. If the short-circuit is at the HV side of the transformer: Thank 61336-1 for helping keep Eng-Tips Forums free from inappropriate posts.


BS IEC 61363-1:1998

DC time constant related to decay of the eic component: X1s See note 1 Td” e: XR Rotor reactance p. This is illustrated in Fig. The parameters are explained below and are set as shown in Fig.

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Short Circuit Calculation | Short Circuit Software | Fault Analysis

Accept and continue Learn more about the cookies we use and how to change your settings. Standard IECitem 5.

iec 61363-1

By Ahmed Elnaggar and I. Students Click Here Join Us! IEC calculation methods are for use on unmeshed three-phase alternating current systems, but will take into consideration all source independently. X d” Subtransient reactance p.

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Calculation of monitored variables: Far from source and near to source classification will determine whether to include the decay of the AC component of the fault current. Ied Variable name Representation Preload condition from load flow initialization: Click Here to join Eng-Tips and talk with other members!


Two reports are available for the IEC calculation: The changes in impedance and time constants are calculated inside the virtual representation of the active component using 661363-1 89 in Standard IECitem 8. Learn more about the cookies we use and how to change your settings. This virtual representation serves the following purposes: Click to learn more.

iec 61363-1

Td” and Td’ time constants are not necessary because subtransient, transient and steady-state reactances are equal.