IEC 61660-1 Ed. 1.0 b:1997

Current Revision
Short-circuit currents in d.c. auxiliary installations in power plants and substations - Part 1: Calculation of short-circuit currents

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IEC 61660-1 Ed. 1.0 b:1997

Short-circuit currents in d.c. auxiliary installations in power plants and substations - Part 1: Calculation of short-circuit currents

PUBLISH DATE 1997
PAGES 73
IEC 61660-1 Ed. 1.0 b:1997

Short-circuit currents in d.c. auxiliary installations in power plants and substations - Part 1: Calculation of short-circuit currents

Describes method for calculating short-circuit currents in d.c. auxiliary systems in power plants and substations, which can be equipped with the following equipment, acting as short-circuit current sources:

  • rectifiers in three-phase a.c. bridge connection for 50 Hz;
  • stationary lead-acid batteries;
  • smoothing capacitors;
  • d.c. motors with independent excitation

Provides a generally applicable method of calculation which produces results of sufficient accuracy on the conservative side.

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