113
Time delayed residual overcurrent protection
(TEF)
Chapter 5
Current
3.4
Logic diagram
Figure 59:
Simplified logic diagram for the residual overcurrent protection
3.5
Input and output signals
Table 119: Input signals for the TEF (TEF--) function block
Path in local HMI: ServiceReport/Functions/EarthFault/TimeDelayEF/FuncOutputs
99000204.vsd
Operation = ON
Def/NI/VI/EI/LOG
&
&
>1
EFCh
k
IN>
±Σ
300ms
t
1000ms
t
3Io>
t
tMin
&
t
t1
&
IMin
20%
50ms
t
TEF--TRIP
= Directional
100% FORW ARD
60% REVERSE
3Iox
cos (
φ
-65)
EF3IoSTD
0.01Un
2fn
2fn
Direction
Option:
Directional check
3Uo
TEF--BLOCK
&
&
&
&
&
TEF--TRSOTF
TEF--STFW
TEF--STRV
TEF--START
TEF--BC
TEF--BLKTR
3Io
>1
&
&
Signal
Description
BLOCK
Block of function
BLKTR
Block of trip
BC
Information on breaker position, or on breaker closing command
Содержание REL 501-C1 2.5
Страница 1: ...Technical reference manual Line distance protection terminal REL 501 C1 2 5 ...
Страница 2: ......
Страница 26: ...14 Introduction to the technical reference manual Chapter 1 Introduction ...
Страница 42: ...30 Technical data Chapter 2 General ...
Страница 66: ...54 Blocking of signals during test BST Chapter 3 Common functions ...
Страница 142: ...130 Time delayed overvoltage protection TOV Chapter 6 Voltage ...
Страница 162: ...150 Autorecloser AR Chapter 9 Control ...
Страница 163: ...151 About this chapter Chapter 10 Logic Chapter 10 Logic About this chapter This chapter describes the logic functions ...
Страница 174: ...162 Event function EV Chapter 10 Logic ...
Страница 210: ...198 Serial communication Chapter 12 Data communication ...
Страница 226: ...214 Serial communication modules SCM Chapter 13 Hardware modules ...
Страница 227: ...215 Chapter 14 Diagrams Chapter 14 Diagrams This chapter contains the terminal diagrams for the terminal ...
Страница 229: ...217 Terminal diagrams Chapter 14 Diagrams 1 2 Terminal diagram REL 501 C1 Figure 86 REL 501 C1 ...
Страница 230: ...218 Terminal diagrams Chapter 14 Diagrams Figure 87 REL 501 C1 with DC switch ...
Страница 234: ...222 Terminal diagrams Chapter 14 Diagrams ...
Страница 237: ......