Thytronic NA11

90
90
NA11 - Manual - 02 - 2009
FUNCTION CHARACTERISTICS
Fun-CB-diagnostic.ai
CB Diagnostic - Number of trips
CB Diagnostic - Cumulative tripping currents
CB Diagnostic - Cumulative tripping energy I2t
CB Diagnostic - CB operating time
From CB position
N.Open-K
N.Open-L
SumI-K
SumI-L
SumI^2t-K
SumI^2t-L
tbreak-K
tbreak-L
TRIPPING MATRIX (LED+RELAYS)
TRIPPING MATRIX (LED+RELAYS)
TRIPPING MATRIX (LED+RELAYS)
State N.Open
t
break
State SumI
Opening transition
≥
N.Open
Mode-N.Open
&
From CB position
Opening transition
≥
Mode-tOpen
Ktrig-break
&
From CB position
SumIL3
SumIL2
SumIL1
Opening transition
≥ Sum I
SumI
Mode-SumI
Mode-SumI^2t
&
I
L2
¥
I
L1
I
Max
Max
¥
I
¥
I
I
L3
TRIPPING MATRIX (LED+RELAYS)
State SumI^2t
State tbreak
From CB position
SumIL3^2t
SumIL2^2t
SumIL1^2t
Opening transition
≥ Sum I^2t
Sum I^2t
&
I
L2
¥
I
L1
I2t
¥
I2t
¥
I2t
Max
Max
I
L3