ABB RED615 ANSI, Руководство по эксплуатации продукта

Страница: 39 / 68

Table 39. Admittance-based earth-fault protection (EFPADM) main settings
Parameter Values (Range) Unit Step Default Description
Voltage start value 0.05...5.00 xUn 0.01 0.05 Voltage start value
Directional mode 1=Non-directional
2=Forward
3=Reverse 2=Forward Directional mode
Operation mode 1=Yo
2=Go
3=Bo
4=Yo, Go
5=Yo, Bo
6=Go, Bo
7=Yo, Go, Bo 1=Yo Operation criteria
Operate delay time 60...200000 ms 10 60 Operate delay time
Circle radius 0.05...500.00 mS 0.01 1.00 Admittance circle
radius
Circle conductance -500.00...500.00 mS 0.01 0.00 Admittance circle
midpoint,
conductance
Circle susceptance -500.00...500.00 mS 0.01 0.00 Admittance circle
midpoint,
susceptance
Conductance forward -500.00...500.00 mS 0.01 1.00 Conductance
threshold in forward
direction
Conductance reverse -500.00...500.00 mS 0.01 -1.00 Conductance
threshold in reverse
direction
Conductance tilt Ang -30...30 deg 1 0 Tilt angle of
conductance
boundary line
Susceptance forward -500.00...500.00 mS 0.01 1.00 Susceptance
threshold in forward
direction
Susceptance reverse -500.00...500.00 mS 0.01 -1.00 Susceptance
threshold in reverse
direction
Susceptance tilt Ang -30...30 deg 1 0 Tilt angle of
susceptance
boundary line
Line Differential Protection and Control 1MRS756500 F
RED615
Product version: 4.0
ABB 39