7EN72-0197-01

Power frequency default measurements

Power frequency default measurements are stored in the EN50160 Frq/Mg data recorder.

EN50160 Frq/Mg data recorder

Register label Source module type Description

Freq N

Signal limit evaluation

Number of valid intervals

Freq N1

Signal limit evaluation

Number of intervals where the frequency is within ± 1% of nominal

Freq N2

Signal limit evaluation

Number of intervals where the frequency is within +4% and -6% of nominal.

Freq N invld

Signal limit evaluation

Number of invalid intervals

Parameter data is recorded every 10 minutes in the EN50160 Prm-f/V data recorder.

EN50160 Prm-f/V data recorder

Register label Description

PQ Freq mean

10-minute mean

PQ Freq low

minimum one-cycle value over 10 minutes

PQ Freq high

maximum one-cycle value over 10 minutes

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