Thytronic NA10 User Manual

TECHNICAL DATA
19
NA10 - Manual - 04 - 2022
3.8 CONTROL AND MONITORING
 Second harmonic restraint - 2ndh-REST
Second harmonic restraint threshold (I
2ndh
>) 10...50 %
I
2ndh
> reset time delay (t
2ndh>RES)
0...100.0 s
0.00...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
Dropout ratio 0.95...0.98
Dropout time ≤ 0.04 s
Pickup accuracy I
2ndh
> ± 4% ± 1% I
n
Operate time accuracy 5% or ± 10 ms
 Trip Circuit Supervision - 74TCS
Operate time:
• One binary input supervision 40 s
• Two binary inputs supervision 2 s
Reset time delay:
• One binary input supervision 6 s
• Two binary inputs supervision 0.6 s
 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 (t
B-IPh)
0.10...10.00 s (step 0.01 s)
• BLIN maximum activation time for ground protections (t
B-IE)
0.10...10.00 s (step 0.01 s)
Selective block OUT:
• BLOUT1 Selective block operating mode (ModeBLOUT1) OFF-ON IPh/IE-ON IPh-ON IE
• BLOUT Dropout time for phase protections (t
F-IPh
) 0.00...1.00 s (step 0.01 s)
• BLOUT Dropout time for ground protections (t
F-IE
) 0.00...1.00 s (step 0.01 s)
• BLOUT Dropout time for ground and phase protections (t
F-IPh/IE
) 0.00...10.00 s (step 0.01 s)
 Circuit Breaker monitoring
Circuit breaker diagnostic
Number of CB trips threshold (N.Open) 0...10000 (step 1)
Cumulative CB tripping currents threshold (SumI) 0....5000 I
n
(step 1 I
n
)
Cumulative CB tripping I
2
t threshold (SumI^2t) 0....5000 (I
n
)
2
∙s (step 1 (I
n
)
2
∙s)
Circuit Breaker opening time for I^2t calculation (t
break
) 0.05...1.00 s (step 0.01 s)
Circuit Breaker maximum allowed opening time (t
break
>) 0.05...1.00 s (step 0.01 s)
 CT supervision - 74CT
74CT Threshold (S<) 0.10...0.95 (step 0.01)
74CT Overcurrent threshold (I
*
) 0.10...1.00 I
n
(step 0.01 I
n
)
S< Operating time delay (t
S
<) 0.03...200 s
0.03...9.99 s (step 0.01 s)
10.0...99.9 s (step 0.1 s)
100...200 s (step 1 s)
Dropout ratio for the I
*
pickup 0.95...0.98
Dropout time ≤ 0.05 s
Pickup accuracy S< ± 1% with 0.1 I
n
, ± 0.5% with 1 I
n
Pickup accuracy I
*
± 0.5% with 0.1 I
n
, ± 0.2% with 1 I
n
Operate time accuracy 5% or ± 10 ms
 Pilot wire diagnostic
• BLOUT1 Diagnostic pulse period (PulseBLOUT1) OFF-0.1-1-5-10-60-120 s
• BLIN1 Diagnostic pulse control time interval (PulseBLIN1) OFF-0.1-1-5-10-60-120 s
 Demand measures
• Fix on demand period (t
FIX)
1...60 min (step 1 min)
• Rolling on demand period (t
ROL)
1...60 min (step 1 min)
• Number of cycles for rolling on demand (N.
ROL)
1...24 (step 1)

Thytronic NA10 Specifications

General

Brand	Thytronic
Model	NA10
Category	Relays
Language	English