Blockings
The following diagram applies to the
Load Blinder
module:
(*) All protective elements will be blocked that are using fundamental or harmonics measured values, if the
frequency leaves the nominal frequency range. Protective elements that are using RMS values will remain active.
See chapter “Wide frequency range”.
(**) This applies to devices that offer wide frequency range measurement only.
506 MCDGV4 DOK-HB-MCDGV4-2E
Blockings (**)
LoadBlinder_Y02
LB .
ExBlo1
no assignment
1..n, Assignment List
&
Frequency is within the nominal frequency range.(*)(**)
1
38b
38a
≥1
LB .
Function
inactive
active
LB .
ExBlo Fc
inactive
active
LB .
ExBlo2
no assignment
1..n, Assignment List
≥1
&
LB . ExBlo
LB . ExBlo1-I
LB . ExBlo2-I
4
Please Refer To Diagram : Prot
Prot. active
(The General Protection module is not deactivated or blocked )
LB . active
active
LB .
Meas Circuit Superv
inactive
&
LB . Blo by MeasCircSupv
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