Protectia de distanta
Protectia de distanta
Protectia de distanta
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2012-2013 Protecţia <strong>de</strong> distantă<br />
Caracteristicile <strong>de</strong> acţionare particularizate ale releelor <strong>de</strong> distanţă<br />
1<br />
Releu <strong>de</strong> susceptanţă<br />
2 3<br />
Releu <strong>de</strong> impedanţă<br />
(admitanţă)<br />
Releu <strong>de</strong> rezistenţă sau<br />
reactanţă<br />
Releu <strong>de</strong> distanţă cu<br />
caracteristică eliptică.<br />
Releu <strong>de</strong> distanţă cu<br />
caracteristică poligonală, <strong>de</strong><br />
tip patrulater.<br />
4 /14<br />
O<br />
O<br />
K<br />
O ’<br />
XO •<br />
O O ’<br />
jx<br />
•<br />
reactanţă<br />
O<br />
Zpr-Z ’<br />
jx<br />
F ’ Z ’<br />
jx jB<br />
jz<br />
jx<br />
(C)<br />
Zpr-Z ’<br />
Zpr<br />
RO=B<br />
XO=K<br />
R<br />
XO=0<br />
RO=0<br />
(C)<br />
Zpr=K<br />
F ’<br />
Z ’<br />
K<br />
R<br />
R<br />
R<br />
R<br />
O<br />
•<br />
C<br />
O -j* 1 G<br />
- jB<br />
XO<br />
O ’ •<br />
O<br />
O<br />
O ’<br />
•<br />
- jB<br />
•O<br />
O ’ •<br />
jz<br />
ZA θ<br />
α<br />
-jB = 1<br />
jX<br />
β<br />
Z Ф<br />
α<br />
β<br />
B<br />
(C)<br />
A<br />
Zpr-Z<br />
R<br />
G<br />
G<br />
G