
APPENDIX
199
NA20 - Manual - 04 - 2022
IE>>>def Operating time
Value
s
0.03 ... 10.00 step = 0.01
Second Harmonic Restraint - 2ndh-REST
Second harmonic restraint threshold
State
OFF | ON
Pickup value
%
10 ... 50 step = 1
I2ndh> reset time delay
Value
s
0.00 ... 9.99 step = 0.01
10.0 ... 100.0 step = 0.1
I2ndh> Start relays
I2ndh>ST-K
K1 | K2 | K3 | K4 | K5 | K6 |
I2ndh> Start LEDs
I2ndh>ST-L
START | TRIP | L1 | L2 | L3 | L4 | L5 |
Trip circuit supervision - 74TCS
74TCS Enable
74TCS Enable
OFF | ON
74TCS Logical block
74TCS-BLK1
OFF | ON
74TCS Start relays
74TCS-ST-K
K1 | K2 | K3 | K4 | K5 | K6 |
74TCS Trip relays
74TCS-TR-K
K1 | K2 | K3 | K4 | K5 | K6 |
74TCS Start LEDs
74TCS-ST-L
START | TRIP | L1 | L2 | L3 | L4 | L5 |
74TCS Trip LEDs
74TCS-TR-L
START | TRIP | L1 | L2 | L3 | L4 | L5 |
Selective block - BLOCK2
Selective block IN
BLIN1 Selective block operating mode
ModeBLIN1
OFF | ON IPh/IE | ON IPh | ON IE
BLIN maximum activation time for phase protections
Value
s
0.10 ... 10.00 step = 0.01
BLIN maximum activation time for ground protections
Value
s
0.10 ... 10.00 step = 0.01
tB-Iph/IE Elapsed signalling relays
tB-K
K1 | K2 | K3 | K4 | K5 | K6 |
tB-Iph/IE Elapsed signalling LEDs
tB-L
START | TRIP | L1 | L2 | L3 | L4 | L5 |
Selective block OUT
BLOUT1 Selective block operating mode
ModeBLOUT1
OFF | ON IPh/IE | ON IPh | ON IE
BLOUT Dropout time for phase protections
Value
s
0.00 ... 1.00 step = 0.01
BLOUT Dropout time for ground protections
Value
s
0.00 ... 1.00 step = 0.01
BLOUT Dropout time for ground and phase protections
Value
s
0.00 ... 1.00 step = 0.01
Phase protections output selective block relays
BLK2OUT-Iph-K
K1 | K2 | K3 | K4 | K5 | K6 |
Ground protections output selective block relays
BLK2OUT-IE-K
K1 | K2 | K3 | K4 | K5 | K6 |
Phase and ground protections output selective block
relays
BLK2OUT-Iph/
IE-K
K1 | K2 | K3 | K4 | K5 | K6 |
Phase protections output selective block LEDs
BLK2OUT-Iph-L
START | TRIP | L1 | L2 | L3 | L4 | L5 |
Ground protections output selective block LEDs
BLK2OUT-IE-L
START | TRIP | L1 | L2 | L3 | L4 | L5 |
Phase and ground protections output selective block
LEDs
BLK2OUT-Iph/
IE-L
START | TRIP | L1 | L2 | L3 | L4 | L5 |
Breaker failure - BF
BF Enable
BF Enable
OFF | ON
BF Phase current threshold
State
OFF | ON
Pickup value
In
0.05 ... 1.00 step = 0.01
BF Residual current threshold
State
OFF | ON
Pickup value
IEn
0.01 ... 2.00 step = 0.01
BF Time delay
Value
s
0.06 ... 10.00 step = 0.01
BF Logical block
BF-BLK1
OFF | ON
Содержание NA20
Страница 207: ...APPENDIX 207 NA20 Manual 04 2022...