ABB REJ 527, Техническое справочное руководство

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1MRS 750616-MUM Directional or Non-Directional Earth-Fault Relay
Technical Reference Manual
REJ 527
33
1)
The directional earth-fault stages are not affected.
1)
Default setting
1RWH
Only one type of characteristic can be selected at a time. If more than one switch is
selected, the characteristic with the lowest weighting factor of the selected switches
will be activated.
Table 4.1.4.6-4 SGF3
Switch Function
Default
setting
SGF3/1 Selection of directional or non-directional operation for stage I
0
>
• 0 = directional
• 1 = non-directional
0
SGF3/2 Selection of operation for stage I
0
>
• 0 = forward direction
• 1 = reverse direction
0
SGF3/3 Selection of directional or non-directional operation for stage I
0
>>
• 0 = directional
• 1 = non-directional
0
SGF3/4 Selection of operation for stage I
0
>>
• 0 = forward direction
• 1 = reverse direction
0
SGF3/5 Selection of operation criteria for the directional earth-fault
protection
• 0 = I
0
with the basic angle
• 1 = operation criteria I
0
sin(
ϕ
) or I
0
cos(
ϕ
)
0
SGF3/6 Selection of operation areas for the directional earth-fault
protection
• 0 = the operation sector is
±
80
°
• 1 = the operation sector is
±
88
°
0
SGF3/7 Selection of the I
0
sin(
ϕ
) or I
0
cos(
ϕ
) characteristic
• 0 = I
0
sin(
ϕ
) characteristic
• 1 = I
0
cos(
ϕ
) characteristic
0
SGF3/8
Selection of phase angle presentation
1)
• 0 = phase angle
(ϕ)
between
ϕ
b
and I
0
• 1 = phase angle (
ϕ)
between I
0
and U
0
0
Σ
SGF3 0
Table 4.1.4.6-5 SGF4: I
0
> characteristics
SGF4/1 SGF4/2 SGF4/3 SGF4/4 SGF4/5 SGF4/6 SGF4/7 SGF4/8 Operation
0 0 0 0 0 0 - -
Definite time
1)
1 0 0 0 0 0 - - Extremely
inverse
0 1 0 0 0 0 - - Very inverse
0 0 1 0 0 0 - - Normal inverse
0 0 0 1 0 0 - - Long-time
inverse
0 0 0 0 1 0 - - RI
0 0 0 0 0 1 - - RD