Woodward SEG HighPROTEC MRA4, Device Manual

Page: 382 / 510

PQS – Power Protection Module [ANSI 32, 37]
Parameter Description Setting range Default Menu path
P< Under(load) Active Power
Pickup Value (e.g. caused
by idling motors).
Only available if: Device
planning: PQS.Mode = P<
0.02 - 2.00Sn 0.80Sn [Protection Para
/<n>
/P-Prot
/PQS [1]]
Pr> Overload Reverse Active
Power Pickup Value.
Protection against reverse
feeding into the power
supply network.
Only available if: Device
planning: PQS.Mode =
Pr>
0.003 - 1.000Sn 0.020Sn [Protection Para
/<n>
/P-Prot
/PQS [1]]
Q> Over(load) Reactive Power
Pickup Value. Monitoring
the maximum allowed
reactive power of the
electrical equipment like
transformers or overhead
lines). If the maximum
value is exceeded a
condensator bank could be
switched off.
Only available if: Device
planning: PQS.Mode = Q>
0.02 - 2.00Sn 1.20Sn [Protection Para
/<n>
/P-Prot
/PQS [1]]
Q< Under(load) Reactive
Power Pickup Value.
Monitoring the minimum
value of the reactive power.
If it falls below the set value
a condensator bank could
be switched on.
Only available if: Device
planning: PQS.Mode = Q<
0.02 - 2.00Sn 0.80Sn [Protection Para
/<n>
/P-Prot
/PQS [1]]
Qr> Overload Reverse Reactive
Power Pickup Value
Only available if: Device
planning: PQS.Mode =
Qr>
0.003 - 1.000Sn 0.020Sn [Protection Para
/<n>
/P-Prot
/PQS [1]]
S> Over(load) Apparent Power
Pickup Value
Only available if: Device
planning: PQS.Mode = S>
0.02 - 2.00Sn 1.20Sn [Protection Para
/<n>
/P-Prot
/PQS [1]]
S< Under(load) Apparent
Power Pickup Value
Only available if: Device
planning: PQS.Mode = S<
0.02 - 2.00Sn 0.80Sn [Protection Para
/<n>
/P-Prot
/PQS [1]]
Page 382 EN MRA4 04/09