Schweitzer Engineering Laboratories SEL-700G Series, Инструкция по эксплуатации

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4.125
Date Code 20170814 Instruction Manual SEL-700G Relay
Protection and Logic Functions
Group Settings (SET Command)
In some applications, the level direction settings DIR1 and DIR2 are not
flexible enough in assigning the necessary direction for certain overcurrent
elements. Directional Control Provided by Torque Control Settings on
page 4.133 describes how to avoid this limitation for special cases.
67PY1P Y Y
67PY1T Y Y
67PY2P Y Y
67PY2T Y Y
50Qm1P X X X and Y X and Y X X and Y
50Qm1T X X X and Y X and Y X X and Y
50Qm2P X X X and Y X and Y X X and Y
50Qm2T X X X and Y X and Y X X and Y
67QY1P Y Y
67QY1T Y Y
67QY2P Y Y
67QY2T Y Y
50GY1P Y Y Y
50GY1T Y Y Y
50GY2P Y Y Y
50GY2T Y Y Y
67Gm1P X X X X Y X and Y X
67Gm1T X X X X Y X and Y X
67Gm2P X X X X Y X and Y X
67Gm2T X X X X Y X and Y X
50N1P X
50N1T X
50N2P X
50N2T X
67N1P X
a
X
a
X
a
X
a
X
a
67N1T X
a
X
a
X
a
X
a
X
a
67N2P X
a
X
a
X
a
X
a
X
a
67N2T X
a
X
a
X
a
X
a
X
a
51PNP Y
b
Y
b
X and Y
51PNT Y
b
Y
b
X and Y
51QmP Y
b
Y
b
X and Y
51QmT Y
b
Y
b
X and Y
51GmP X
b
X
b
X
b
X
b
Y
b
X
b
and Y
b
X and Y
51GmT X
b
X
b
X
b
X
b
Y
b
X
b
and Y
b
X and Y
51NP X
a
X
a
X
a
X
a
X X
a
51NT X
a
X
a
X
a
X
a
X X
a
a
These time-overcurrent elements have directional control. X-side zero-sequence voltage is
used for polarization.
b
These time-overcurrent elements have directional control. The corresponding side sequence
quantity is used for polarization.
Table 4.34 Relay Word Bits Associated With X-Side and Y-Side Overcurrent
Elements With and Without Directional Control Across Different SEL-700G
Models
(Sheet 2 of 2)
Elements
Models
700G0 700G0+ 700G1 700G1+ 700GT 700GT+ 700GW