70
Distance protection (ZM)
Chapter 4
Line distance
Impedance setting
range at I
r
= 1 A (to
be divided by 5 at I
r
= 5 A)
Reactive reach
Positive-sequence
reactance
(0.10-400.00)
Ω
/phase in steps of 0.01
Ω
Zero sequence reac-
tance
(0.10-1200.00)
Ω
/phase in steps of 0.01
Ω
Resistive reach
Positive-sequence
resistance
(0.10-400.00)
Ω
/phase in steps of 0.01
Ω
Zero sequence resis-
tance
(0.10-1200.00)
Ω
/phase in steps of 0.01
Ω
Fault resistance For phase - phase
faults
(0.10-400.00)
Ω
/loop in steps of 0.01
Ω
For phase-earth faults (0.10-400.00)
Ω
/loop in steps of 0.01
Ω
Setting range of timers for impedance zones
(0.000-60.000) s in steps of 1 ms
Static accuracy at 0
degrees and 85
degrees
Voltage range (0.1-1.1) x U
r
+/- 5 %
Current range (0.5-30) x I
r
Static angular accu-
racy at 0 degrees
and 85 degrees
Voltage range (0.1-1,1) x U
r
+/- 5 degrees
Current range (0.5-30) x I
r
Max dynamic overreach at 85 degrees measured with CVT’s
0.5 < SIR < 30
+ 5 %
Function
Value
Summary of Contents for REL 501-C1 2.5
Page 1: ...Technical reference manual Line distance protection terminal REL 501 C1 2 5 ...
Page 2: ......
Page 26: ...14 Introduction to the technical reference manual Chapter 1 Introduction ...
Page 42: ...30 Technical data Chapter 2 General ...
Page 66: ...54 Blocking of signals during test BST Chapter 3 Common functions ...
Page 142: ...130 Time delayed overvoltage protection TOV Chapter 6 Voltage ...
Page 162: ...150 Autorecloser AR Chapter 9 Control ...
Page 174: ...162 Event function EV Chapter 10 Logic ...
Page 210: ...198 Serial communication Chapter 12 Data communication ...
Page 226: ...214 Serial communication modules SCM Chapter 13 Hardware modules ...
Page 230: ...218 Terminal diagrams Chapter 14 Diagrams Figure 87 REL 501 C1 with DC switch ...
Page 234: ...222 Terminal diagrams Chapter 14 Diagrams ...
Page 237: ......