89
Power swing detection (PSD)
Chapter 4
Line distance
5.4
Logic diagram
Figure 38:
PSD function - block diagram.
en01000059.vsd
PSD--TRSP
&
PSD--I0CHECK
&
PSD--START
PSD--BLKI02
>1
>1
&
PSD--BLKI01
PSD--BLOCK
INHIBIT
ZOUTL3
ZOUTL2
ZOUTL1
&
DET1of3 - int.
PSD--REL1PH
PSD--BLK1PH
&
DET2of3 - int.
PSD--REL2PH
PSD--BLK2PH
&
>1
PSD--EXTERNAL
>1
&
PSD--START
PSD--ZOUT
ZINL1
ZINL2
ZINL3
PSD--ZIN
DET2of3 - int.
PSD - CONS. - int.
ZOUTLn
ZINLn
PSD-DET-Ln
PSD-CONS.-int.
≥
1
&
t
tP2
t
tP1
&
&
PSD-DET-L1
PSD-DET-L2
PSD-DET-L3
DET1of3 - int.
&
&
&
&
t
tR1
t
tR2
≥
1
≥
1
≥
1
≥
1
t
tH
t
10 ms
t
tEF
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: ......