Setting Parameters, Directional Measuring Element; Technical Data - ABB REL 501-C1 2.5 Technical Reference Manual

1.14
1.15
Distance protection (ZM)
Parameter Range
X0PE 0.10 -
1200.00
Step: 0.01
R0PE 0.10 -
1200.00
Step: 0.01
RFPE 0.10 - 400.00
Step: 0.01
Timer t5PE Off, On
t5PE 0.000 -
60.000
Step: 0.001

Setting parameters, directional measuring element

Setting parameters for the resistive and the reactive reach are presented for the terminals with
rated current Ir = 1A. All impedance values should be divided by 5 for the terminals with rated
current Ir = 5A.
Path in local HMI: Settings/Functions/Groupn/Impedance/Direction
Table 84: General setting parameters, ZDIR
ArgDir 5-45
Step:1
ArgNegRes 90-175
Step:1

Technical data

Table 85: ZM1, 2, 3, 4, 5 - Zone impedance measuring elements
Function
Operate time Typical
Min and max
Min. operate current
Resetting ratio
Resetting time
Output signals start and trip
Setting accuracy
Number of zones
Default Unit Description
10.00 ohm/ph Zero sequence line reactance included in
distance protection zone 5 for Ph-E faults
10.00 ohm/ph Zero sequence line resistance included in
distance protection zone 5 for Ph-E faults
10.00 ohm/loop Resistive reach of distance protection
zone 5 for Ph-E faults
On - Operating mode of time delayed trip for
the distance protection zone 5 for Ph-E
faults
0.000 s Time delayed trip operation of the dis-
tance protection zone 5 for Ph-E faults
15 degrees Lower angle of forward direction charac-
teristic
115 degrees Upper angle of forward direction Charac-
teristic
Value
28 ms
Please refer to the separate isochrone
diagrams
(10-30) % of I1b in steps of 1 %
Typical 110 %
Typical 40 ms
Zone 1-3 Three phase
Single phase and/or three phase
Zone 4, 5 Three phase start and trip
Included in the measuring accuracy
3, 4 or 5, direction selectable
Chapter 4
Line distance
69