Power Swing Detection And Blocking; Directional And Non Directional Overcurrent Protection; Negative Sequence Overcurrent Protection - GE MiCOM P40 Agile Technical Manual

Technical Data
MiCOM P40 Agile P442, P444
TOR (Trip On Reclose)–SOTF (Switch On To
Fault) modes enabled or disabled for:
∗ TOR logic in case of fault in Z1, Z2, Z3 or
All Zones,
∗ SOTF logic in case of fault in Z1, Z2, Z3 or
All Zones,
∗ TOR or SOTF in Distance scheme,
∗ SOTF logic in case of fault Z1+Rev,
Z2+Rev or I>3 Enabled,
∗ SOTF initiated by level detectors,
SOTF Delay: 10 to 3600 s (step 1 s)
Z1X extension on channel fail:
Weak Infeed
Mode Status:
Disabled/Echo/WI Trip & Echo/PAP
Single Pole:
V< Threshold:
Trip time delay:
Loss of Load (LoL)
Mode Status:
LoL on Channel failed:
I<: 0.05×In to 1×In (step 0.05×In)
LoL Window: 0.01 s to 0.1 s (step 0.01 s)
POWER SWING DETECTION AND
BLOCKING
Power Swing detection boundaries:
∗ Delta R: 0 to 400/ In Ω (step 0.01/In Ω)
∗ Delta X: 0 to 400/ In Ω (step 0.01/In Ω)
IN Status:
∗ IN> (%max)
10% to 100% (step 1%)
I2> Status:
∗ I2> (%max)
10% to 100% (step 1%)
Imax line Status:
∗ Imax line> (%max):
1×In to 20×In (step 0.01×In)
Delta I Status:
Unblocking time-delay: 0 to 30 s (step 0.1 s)
Blocking zones:
∗ Z1/Z1X Block:
∗ Z2 Block:
∗ Zp Block:
∗ Zq Block:
∗ Z3 Block:
∗ Z4 Block
Out of Step (OOS):
Stable swing:
Enabled/Disabled
Disabled/Enabled
10 to 70 V (step 5 V)
0 to 1 s (step 2 ms)
Enabled/Disabled
Enabled/Disabled
Enabled/Disabled
Enabled/Disabled
Enabled/Disabled
Enabled/Disabled
Yes/No
Yes/No
yes/No
Yes/No
Yes/No
Yes/No
1 to 255 (step 1)
1 to 255 (step 1)
DIRECTIONAL AND NON DIRECTIONAL
OVERCURRENT PROTECTION
(Back-up I>)
Directional and non directional
I> protections:
I>1, I>2 (range 0.08–10×In)
Non directional I> protections:
I>3, I>4 (range 0.08–32×In)
I>1 Function / I>2 Function:
∗ Disabled,
∗ Definite Time (DT),
∗ IEC Standard inverse
∗ IEC Very inverse
∗ IEC Extremely inverse
∗ UK Long Time Inverse,
∗ IEEE Moderately Inverse,
∗ IEEE Very Inverse
∗ IEEE Extremely Inverse
∗ US Inverse
∗ US Short Time Inverse
∗ IN> (%max)
10% to 100% (step 1%)
I>1 / I>2 Directional:
∗ Non-directional,
∗ Directional forward
∗ Directional reverse
I>1 / I>2 VTS Block:
I>1 / I>2 current set:
I>1 / I>2 Time-delay: 0 to 100 s (step 0.01 s)
I>1 / I>2 Time-delay
VTS: 0 to 100 s (step 0.01 s)
I>1 / I>2 Time Multiplier
0.025 to 1.2 (step 0.005)
Setting (TMS):
I>1 / I>2 Time Dial:
I>1 / I>2 Reset
characteristics:
I>1 / I>2 tReset 0 to 100 s (step 0.01 s)
I>3 Status / I>4 Status:
I>3 / I>4 current set:
I>3 / I>4 Time-delay: 0 to 100 s (step 0.01 s)
NEGATIVE SEQUENCE
OVERCURRENT PROTECTION
Directional and non directional
I2> protections:
I2>1, I2>2 (range 0.08–4×In)
Non directional I2> protections:
I2>3, I2>4 (range 0.08–4×In)
I2>1 Function / I2>2 Function:
∗ Disabled,
∗ Definite Time (DT),
∗ IEC Standard inverse
∗ IEC Very inverse
∗ IEC Extremely inverse
∗ UK Long Time Inverse,
∗ IEEE Moderately Inverse,
∗ IEEE Very Inverse
∗ IEEE Extremely Inverse
P44x/EN TD/Hb6
(TD) 2-15
Block/Non-directional
0.08×In to 10.00×In
(step 0.01×In)
0.5 to 15 (step 0.1)
DT or Inverse
Enabled/Disabled
0.08×In to 32.00×In
(step 0.01×In)