GE MiCOM P40 Agile Technical Manual page 104

P44x/EN ST/Hb6
(ST) 4-30
Menu text
GROUP 1 – EARTH FAULT O/C
IN>2 Directional
IN>2 VTS Block
IN>2 Current Set
IN>2 Time Delay
IN>2 Time Delay VTS
IN>2TMS
IN>3 Status
The third element is fixed as non-directional, for instantaneous or definite time delayed
tripping.
IN>3 Directional
This setting determines the direction of measurement for the earth fault overcurrent
element.
IN>3 VTS Block
IN>3 Current Set
IN>3 Time Delay
IN>3 Time Delay VTS
IN>4 Status
IN>4 Directional
IN>4 VTS Block
IN>4 Current Set
IN>4 Time Delay
IN>4 Time Delay VTS
IN> DIRECTIONAL
IN> Char Angle
Polarisation
The applications of zero sequence and negative sequence polarisation are described in
chapter P44x/EN AP (section Directional and non directional Earth Fault Protection).
IN> BLOCKING
IN> Block Pole Dead
This setting is to block IN> in case of Any Pole Dead or All Pole Dead.
Default setting
Non Directional Non-Directional, Directional Fwd,
Directional Rev
Non directional Block, Non directional
1 0.025
2 s 0 s
2 s 0 s
1 0.025
Enabled Disabled, Enabled
Non Directional Non-Directional, Directional Fwd,
Directional Rev
Non directional Block, Non directional
0.3 x In 0.08 x In
2 s 0 s
0.2 s 0 s
Enabled Disabled, Enabled
Non Directional Non-Directional, Directional Fwd,
Directional Rev
Non directional Block, Non directional
0.3 x In 0.08 x In
2 s 0 s
0.2 s 0 s
–45° –95°
Zero Sequence Zero Sequence, Negative Sequence
Enabled Disabled, Enabled
MiCOM P40 Agile P442, P444
Setting range
Min Max
1.2
200 s
200 s
1.2
32 x In
200 s
200 s
32 x In
200 s
200 s
95°
Setting
Step size
0.005
0.01 s
0.01 s
0.005
0.01 x In
0.01 s
0.01 s
0.01 x In
0.01 s
0.01 s
1°