Short-circuit current calculation in three-phase a.c. systems. Part 1: Factors for the calculation of short-circuit currents in three-phase a.c. systems according to IEC 60909.

UNGÜLTIG herausgegeben am 30.10.2001

Electrical equipment - Data for short-circuit current calculations in accordance with IEC 909 (1988)

UNGÜLTIG herausgegeben am 19.12.2003

Short-circuit current calculation in three-phase a.c. systems - Part 3: Currents during two separate simultaneous single phase line-to-earth short circuits and partial short-circuit currents flowing through earth

UNGÜLTIG herausgegeben am 15.9.1999

SHORT-CIRCUIT CURRENT CALCULATION IN THREE-PHASE A.C. SYSTEMS.

UNGÜLTIG herausgegeben am 31.12.1994

Lasers and laser-related equipment - Test methods for laser-induced damage threshold - Part 1: Definitions and general principles (ISO 21254-1:2011) (Endorsed by AENOR in December of 2011.)

UNGÜLTIG herausgegeben am 1.10.2025

Health informatics - Functional and structural roles (ISO 21298:2017, Corrected version 2017-04) (Endorsed by Asociación Espanola de Normalización in December of 2017.)

UNGÜLTIG herausgegeben am 26.12.2018

NOMINAL VOLTAGES FOR LOW VOLTAGE PUBLIC ELECTRICITY SUPPLY SYSTEMS.

UNGÜLTIG herausgegeben am 24.5.1991

VOCABULARIO ELECTROTECNICO. DEFINICIONES FUNDAMENTALES

UNGÜLTIG herausgegeben am 15.10.1970

VOCABULARIO ELECTROTECNICO. PRODUCCION, TRANSPORTE Y DISTRIBUCION DE LA ENERGIA ELECTRICA

UNGÜLTIG herausgegeben am 15.8.1971

ELECTROTECHNICAL VOCABULARY. MATHEMATICS.

UNGÜLTIG herausgegeben am 15.9.1980