UNE - Spanish national standards

Rotating electrical machines - Part 27-1: Off-line partial discharge measurements on the winding insulation

Available languages: English

Available design: electronic design (pdf), Print design

Rotating electrical machines - Part 27-2: On-line partial discharge measurements on the stator winding insulation (Endorsed by Asociación Espanola de Normalización in February of 2024.)

Available languages: English

Available design: electronic design (pdf), Print design

Rotating electrical machines - Part 27-3: Dielectric dissipation factor measurement on stator winding insulation of rotating electrical machines (Endorsed by AENOR in August of 2016.)

Available languages: English

Available design: electronic design (pdf), Print design

Rotating electrical machines - Part 27-4: Measurement of insulation resistance and polarization index on winding insulation of rotating electrical machines (Endorsed by Asociación Espanola de Normalización in August of 2018.)

Available languages: English

Available design: electronic design (pdf), Print design

Rotating electrical machines - Part 28: Test methods for determining quantities of equivalent circuit diagrams for three-phase low-voltage cage induction motors

Available languages: English, Spanish

Available design: electronic design (pdf), Print design

Rotating electrical machines -- Part 29: Equivalent loading and superposition techniques - Indirect testing to determine temperature rise

Available languages: English, Spanish

Available design: electronic design (pdf), Print design

Rotating electrical machines - Part 3: Specific requirements for synchronous generators driven by steam turbines or combustion gas turbines and for synchronous compensators (Endorsed by Asociación Espanola de Normalización in September of 2020.)

Available languages: English

Available design: electronic design (pdf), Print design

Rotating electrical machines - Part 30-1: Efficiency classes of line operated AC motors (IE code) (Endorsed by AENOR in August of 2014.)

Available languages: English

Available design: electronic design (pdf), Print design

Rotating electrical machines - Part 30-1: Efficiency classes of line operated AC motors (IE code) (Endorsed by Asociación Espanola de Normalización in March of 2026.)

Available languages: English

Available design: electronic design (pdf), Print design

Rotating electrical machines - Part 30-2: Efficiency classes of variable speed AC motors (IE-code) (Endorsed by Asociación Espanola de Normalización in November of 2021.)

Available languages: English

Available design: electronic design (pdf), Print design