ABB RET670 - Setting Parameters; Impedance Protection; Distance Measuring Zones, Quadrilateral Characteristic ZMQPDIS (21), ZMQAPDIS (21), ZDRDIR (21 D); Application

3.5.3.5 Setting parameters
Table 46: HZPDIF (87) Group settings (basic)
Name Values (Range) Unit Step Default Description
Operation Disabled
Enabled
- - Disabled Disable/Enable Operation
AlarmPickup 2 - 500 V 1 10 Alarm voltage level on CT secondary
tAlarm 0.000 - 60.000 s 0.001 5.000 Time delay to activate alarm
TripPickup 5 - 900 V 1 100 Pickup voltage level in volts on CT secondary
side
R series 10 - 20000 ohm 1 250 Value of series resistor in Ohms
3.6 Impedance protection
3.6.1 Distance measuring zones, quadrilateral characteristic
ZMQPDIS (21), ZMQAPDIS (21), ZDRDIR (21D)
3.6.1.1 Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Distance protection zone, quadrilateral
characteristic (zone 1)
ZMQPDIS
S00346 V1 EN
21
Distance protection zone, quadrilateral
characteristic (zone 2-5)
ZMQAPDIS
S00346 V1 EN
21
Directional impedance quadrilateral ZDRDIR
Z<->
IEC09000167 V1 EN
21D
3.6.1.2 Application
Sub-transmission networks are being extended and often become more and more
complex, consisting of a high number of multi-circuit and/or multi terminal lines of
very different lengths. These changes in the network will normally impose more
1MRK504116-UUS C Section 3
IED application
159
Application manual