88
Power swing detection (PSD)
Chapter 4
Line distance
Figure 37:
Operating principle and characteristic of the PSD function
5.3
Function block
jX
R
tP1
Impedance locus at power swing
99000159.vsd
−
⋅
KX X IN
1
−
X IN
1
X IN
1
KX X IN
⋅
1
−
⋅
KR R IN
1
KR R IN
⋅
1
−
R IN
1
IN
R
1
xx00000180.vsd
PSD--
PSD
BLOCK
BLKI01
BLKI02
BLK1PH
REL1PH
BLK2PH
REL2PH
I0CHECK
TRSP
EXTERNAL
START
ZIN
ZOUT
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: ......