Gossen Metrawatt M817S Mains-analysis device, Mains analyser M817S Fiche De Données
Codes de produits
M817S
F-1
A P P E N D I X F
Event Classification
Range of
Variations per
IEEE standard
Variations per
IEEE standard
Events characterization implemented in the Energy Platform adheres to the IEEE 1159
measurement standards. The range of variations as per IEEE standards are featured
below.
IEEE
1159
Short Duration Variations
Magnitudes
Sag/Dip
Swell
Interruption
Temporal
Instantaneous
Momentary
Temporary
Duration
(Sag) Vrms Below 90% (or Low limit) to 10% of nominal
Vrms Above 110% (or High limit) to 180% of nominal
Vrms Below 10% (or Very Low limit) of nominal
0.5 - 30 cycles
0.5 - 30 seconds
3 - 60 seconds
begins when any one phase is Out of Limits; ends when all
phases are Within Limits
Long Duration Variations
Magnitudes
Sag
Swell
Interruption
Duration
Sustained
Cold Load Pickup is
return from sustained
same magnitude values as Short Duration Variations (see above)
> 1 minute