reactive power flow in the power system. There are a number of applications where such
functionality is needed. Some of them are:
•
detection of reversed active power flow
•
detection of high reactive power flow
Each function has two steps with definite time delay.
8.7.2
Directional overpower protection GOPPDOP (32)
8.7.2.1
Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Directional overpower protection
GOPPDOP
P >
2
DOCUMENT172362-IMG158942
V2 EN
32
8.7.2.2
Function block
ANSI08000506-1-en.vsd
GOPPDOP (32)
I3P*
V3P*
BLOCK
BLK1
BLK2
TRIP
TRIP1
TRIP2
BFI_3P
PICKUP1
PICKUP2
P
PPERCENT
Q
QPERCENT
ANSI08000506 V1 EN
Figure 116:
GOPPDOP (32) function block
1MRK 502 048-UUS A
Section 8
Current protection
253
Technical manual