Deif MVR-200 Series Operator's Manual page 41

Medium voltage relay
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FREQUENCY
Figure 3.38
Frequency settings menu
Sampling mode is fixed as standard and System nominal frequency should be set to desired level. In case the Sampling mode is
set as tracking the IED will use measured frequency value as system nominal frequency.
Frequency has three reference measuring points. The order of reference point can be changed.
OPERATOR'S MANUAL 4189341220A UK
Page 41 of 51

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