Woodward HighPROtec MCDLV4, Manual

Page: 476 / 1275

Blockings
The following diagram is applies to the Q->&V< Protection:
(*) 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.
476 MCDLV4 DOK-HB-MCDLV4-2E
QU_Y01
Blockings Q->&V< (**)
active
Q->&V< .
ExBlo1
no assignment
1..n, Assignment List
&
38b
Frequency is within the nominal frequency range.(*)(**)
1
38a ≥1
Q->&V< .
Function
inactive
active
Q->&V< .
ExBlo Fc
inactive
active
Q->&V< .
ExBlo2
no assignment
1..n, Assignment List
≥1
&
Q->&V< . ExBlo
Q->&V< . ExBlo1-I
Q->&V< . ExBlo2-I
47
Q->&V< .
Meas Circuit Superv
inactive
Please Refer To Diagram : Prot
Prot. active
(The General Protection module is not deactivated or blocked )
Q->&V< . active
&