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Standard

IEC 60909:1988 ED1

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Abstract

This standard is applicable to the calculation of short-circuit currents: -in low-voltage three-phase a.c. systems, -in high-voltage three-phase a.c. systems with nominal voltages up to 230 kV operating at nominal frequency (50 Hz or 60 Hz). This standardized procedure is given in such a form as to facilitate as far as possible its use by non-specialist engineers.

Document information

  • Standard from IEC
  • Published:
  • Withdrawn:
  • Edition: 1
  • Version: 1
  • Document type: IS
  • ICS 17.220.01
  • ICS 29.240.20
  • ISO TC TC 73

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