122
Current reversal and weak end infeed logic for
residual overcurrent protection (EFCA)
Chapter 5
Current
5.7
Technical data
Table 130: EFCA - Current reversal and weak end infeed logic for residual overcurrent
protection
Parameter
Setting range
Accuracy
Operate voltage for WEI trip, U>
5-70 % of U1b in steps of 1%
±
5% of set value
Current reversal pickup timer, tPickUp
0.000-60.000 s in steps of 1 ms
±
0.5%
±
10 ms
Current reversal delay timer, tDelay
0.000-60.000 s in steps of 1 ms
±
0.5%
±
10 ms
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: ......