Aided Directional Earth Fault (Def) Overvoltage Protection; Thermal Overload; Residual Overvoltage; Undercurrent Protection - GE MiCOM P40 Agile Technical Manual

Technical Data
MiCOM P40 Agile P442, P444
AIDED DIRECTIONAL EARTH FAULT
(DEF) OVERVOLTAGE PROTECTION
Aided DEF Status:
Polarisation:
∗ Zero Sequence,
∗ Negative Sequence.
V> Voltage set: 0.5 V to 20 V (step 0.01 V)
IN Forward: 0.05×In to 4×In (step0.01×In)
Time delay: 0s to 10 s (step 0.1 s)
Scheme logic: Shared/Blocking/Permissive
Tripping: Three Phase/Single Phase
Tp: 0 to 1000 ms (step 2 ms)
IN Rev Factor:

THERMAL OVERLOAD

Thermal characteristics:
Thermal trip:
0.08×In to 3.2×In (step 0.01×In)
Thermal alarm: 50% to 100% (step 1%)
Time constant 1: 1 mn to 200 mn (step 1 mn)
Time constant 2: 1 mn to 200 mn (step 1 mn)

RESIDUAL OVERVOLTAGE

VN Type:
VN>1 function:
VN>1 voltage set: 1 V to 180 V (step 1 V)
homopolar: 0.5 V to 60 V (step 0.5 V)
VN>1 Time delay: 0 s to 100 s (step 0.01 s)
VN>1 TMS:
VN>1 tReset: 0 to 100 s (step 0.5 s)
VN>2 Status:
VN>2 voltage set: 1 V to 180 V (step 1 V)
homopolar: 0.5 V to 60 V (step 0.5 V)
VN>2 Time delay: 0 s to 100 s (step 0.01 s)
∗
(software version C7.x only)

UNDERCURRENT PROTECTION

I< mode (threshold activation):
∗ I<1 status:
∗ I<2 status:
I<1 status:
I<1 current set
I<1 Time Delay: 0 to 100 s (step 0.01 s)
I<2 status:
I<2 current set
I<2 Time Delay: 0 to 100 s (step 0.01 s)
Enabled/Disabled
0 to 1 (step 0.1)
Disabled/Single/Dual
∗
Residual/Homopolar
Disabled/DT/IDMT
∗
0.5 to 100 (step 0.5)
Enabled/Disabled
∗
activated/deactivated
activated/deactivated
Enabled/Disabled
0.08×I1 to 4×I1
(step 0.01×I1)
Enabled/Disabled
0.08×I1 to 4×I1
(step 0.01×I1)
VOLTAGE PROTECTION
V< & V> modes (threshold activation):
∗ V<1 function:
∗ V<2 status:
∗ V<3 status:
∗ V<4 status:
∗ V>1 function:
∗ V>2 status:
∗ V>3 status:
∗ V>4 status:
Undervoltage
V< Measurement mode:
∗ Phase–Neutrel,
∗ Phase–Phase
V<1 function:
V<1 voltage set 10 to 120 V (step 1 V)
V<1 Time Delay: 0 to 100 s (step 0.01 s)
V<1 TMS:
V<2, V<3 or V<4 status:
V<2, V<3, V<4 voltage set:
10 to 120 V (step 1 V)
V<2, V<3 or V<4 Time Delay:
0s to 100 s (step 0.01 s)
Overvoltage
V> Measurement mode:
∗ Phase–Neutral,
∗ Phase–Phase,
∗ Independent
V> % Hysteresis
V>1 function:
V>1 voltage set 10 to 120 V (step 1 V)
V>1 Time Delay: 0 to 100 s (step 0.01 s)
V>1 TMS:
V>2, V>3 or V>4 status:
V>2, V>3, V>4 voltage set:
10 to 120 V (step 1 V)
V>2, V>3 or V>4 Time Delay:
0 s to 100 s (step 0.01 s)
FREQUENCY PROTECTION
Underfrequency
F<1 Status:
F<1 Setting: 45 Hz to 65 Hz (step 0.01 Hz°
F<1 Time Delay: 0 to 100 s (step 0.01 s)
F<2, F<3 or F<4 Status:
F<2, F<3 or F<4 Setting:
45 Hz to 65 Hz (step 0.01 Hz°
F<2, F<3 or F<4 Time Delay:
0 to 100 s (step 0.01 s)
Overfrequency
F>1 Status:
F>1 Setting: 45 Hz to 65 Hz (step 0.01 Hz°
F>1 Time Delay: 0 to 100 s (step 0.01 s)
F>2 Status:
F>2 Setting: 45 Hz to 65 Hz (step 0.01 Hz°
F>2 Time Delay: 0 to 100 s (step 0.01 s)
P44x/EN TD/Hb6
(TD) 2-17
activated/deactivated
activated/deactivated
activated/deactivated
activated/deactivated
activated/deactivated
activated/deactivated
activated/deactivated
activated/deactivated
Disabled/DT/IDMT
0.5 to 100 (step 0.5)
Enabled/Disabled
0.1 to 2 % (step 1 %)
Disabled/DT/IDMT
0.5 to 100 (step 0.5)
Enabled/Disabled
Disabled/Enabled
Disabled/Enabled
Disabled/Enabled
Disabled/Enabled