Normativa ISO UNE gratis

Fecha de publicación: 25/11/1988 Calculation of thermally permissible short-circuit currents, taking into account non-adiabatic heating effects IEC 60949:1988

Fecha de publicación: 01/09/1991 Characteristics and measurements of ultrasonic piezoceramic transducers IEC TR 61088:1991

Fecha de publicación: 08/10/1993 Insulating liquids – Determination of the partial discharge inception voltage (PDIV) – Test procedure IEC TR 61294:1993

Fecha de publicación: 17/08/1994 Environmental testing – Part 2-68: Tests – Test L: Dust and sand IEC 60068-2-68:1994

Fecha de publicación: 28/09/1994 Amendment 1 – Calculation of the cyclic and emergency current rating of cables. Part 1: Cyclic rating factor for cables up to and including 18/30(36) kV IEC 60853-1:1985/AMD1:1994

Fecha de publicación: 01/03/1996 Corrigendum 1 – Field acceptance tests to determine the hydraulic performance of hydraulic turbines, storage pumps and pump-turbines IEC 60041:1991/COR1:1996

Fecha de publicación: 26/02/1998 Amendment 1 – Rigid protective covers for live working on a.c. installations IEC 61229:1993/AMD1:1998

Fecha de publicación: 25/11/1999 Photovoltaic systems – Power conditioners – Procedure for measuring efficiency IEC 61683:1999

Fecha de publicación: 31/07/2000 Electrical insulating materials – Thermal endurance properties – Part 4-2: Ageing ovens – Precision ovens for use up to 300 °C IEC 60216-4-2:2000

Fecha de publicación: 09/10/2000 Short-circuit temperature limits of electric cables with rated voltages from 6 kV (Um = 7,2 kV) up to 30 kV (Um = 36 kV) IEC 60986:2000