Power losses in voltage sourced converter (VSC) valves for high-voltage direct current (HVDC) systems - Part 2: Modular multilevel converters (Endorsed by Asociación Española de Normalización in November of 2023.)
Edition 2023-11-01

Thyristor valves for thyristor controlled series capacitors (TCSC) - Electrical testing (Endorsed by AENOR in January of 2016.)
Edition 2016-01-01

Thyristor valves for thyristor controlled series capacitors (TCSC) - Electrical testing (Endorsed by Asociación Española de Normalización in April of 2020.)
Edition 2020-04-01

Voltage sourced converter (VSC) valves for static synchronous compensator (STATCOM) - Electrical Testing (Endorsed by Asociación Española de Normalización in December of 2017.)
Edition 2017-12-01

Voltage sourced converter (VSC) valves for static synchronous compensator (STATCOM) - Electrical Testing (Endorsed by Asociación Española de Normalización in March of 2018.)
Edition 2018-03-01

Voltage sourced converter (VSC) valves for static synchronous compensator (STATCOM) - Electrical testing (Endorsed by Asociación Española de Normalización in July of 2023.)
Edition 2023-07-01

NUMBERING OF ELECTRODES AND DESIGNATION OF UNITS IN ELECTRONIC TUBES AND VALVES. (Endorsed by AENOR in December of 1995.)
Edition 1995-12-01

METHODS FOR THE MEASUREMENT OF DIRECT INTERELECTRODE CAPACITANCES OF ELECTRONIC TUBES AND VALVES. (Endorsed by AENOR in December of 1995.)
Edition 1995-12-01

Glossary of terms for valves
Edition 2013-05-20

Nominal size and bore of valves
Edition 1987-03-01