Thytronic XMR-T - Circuit Breaker Supervision (H, L, T); CT Supervision - 74 CT (H, L, T); Demand Measures; Oscillography (DFR)

TECHNICAL DATA
29
Dropout ratio 0.95...0.98
Dropout time ≤ 0.05 s
Pickup accuracy (I
BF (H)
>) ± 0.5% with 0.1 I
n (H)
± 0.2% with 1 I
n (H)
Pickup accuracy (I
EBF (H)
>) ± 1% with 0.01 I
En (H)
± 0.3% with 1 I
En (H)
Operate time accuracy 5% ± 10 ms
— Circuit Breaker supervision (H, L, T)
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 (H, L, T)
Threshold (S<) 0.10...0.95 (step 0.01)
Overcurrent threshold (I
*
) 0.10...1.00 I
n
(step 0.01 I
n
)
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 ≤ 0.04 s
Pickup accuracy I
*
± 0.5% with 0.1 I
n
± 0.2% with 1 I
n
Operate time accuracy 5% ± 10 ms
— 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)
— Oscillography (DFR)
1
Format COMTRADE
Recording mode circular
Sampling rate 32 samples / cycle
Trigger setup:
Pre-trigger time
0.05...1.00 s (step 0.01 s)
Post-trigger time
0.05...60.00 s (step 0.05 s)
Set sample channels:
i
L1
, u
L1
, i
L2
, u
L2
, i
L3
, u
L3
, i
E
, u
E
, u
12
, u
23
,
u
31
, u
L4
Set analog channels:
Analog 1...Analog 12 Frequency, Frequency L1,
Frequency L4, I
L1
, U
L1
, I
L2
, U
L2
, I
L3
, U
L3
, I
E
, U
E
, U
L4
,
D
Theta
, U
max/f
, U
12
, U
23
,U
31
, U
EC
,
I
EC
, Phi
L1
, Phi
L2
, Phi
L3
, Alpha1, Alpha2,
Alpha2, Alpha3, Phi
E
, Phi
EC
, I
1
, I
2
,I
2
/I
1
,
U
1
, U
2
, P, Q, S, CosPhi, P
L1
, Q
L1
,
CosPhiL1, P
L2
, Q
L2
, CosPhiL2, P
L3
,
Q
L3
, CosPhiL3, I
L1-2nd
, I
L2-2nd
, I
L3-2nd
,
I
-2nd
/I
L
, df/dt, DF, DV, PhiL
14
, T1...T8
Set digital channels:
Digital 1...Digital 12 KC1-1... KC1-8, KC2-1... KC2-8,
IN1-1...IN1-16, IN2-1...IN2-16
2
— PLC (Programmable Logic Controller)
3
Standard reference IEC 61131-3
Language IL (Instruction List)
Inputs:
Binary inputs IN1-1...IN1-16, IN2-1...IN2-16
Delayed binary inputs4 IN1-1...IN1-16, IN2-1...IN2-16
Start (all elements) Start I>, Start I>>,...
Trip (all elements) Trip I>, Trip I>>,...
Measures IL1, IL2,...etc
Block inputs BLK2IN-Iph, BLK2IN-IE,...
Outputs:
Relays K1.. K7, K1-1.. K 2-4, KM1-1 .. KM 2-8
LEDs START, TRIP, L1...L16
Block outputs BLK2OUT-Iph, BLK2OUT-IE,...
Note 1 For the DFR function a licence is required; call Thytronic for purchasing.
Nota 3 For the PLC function a licence is required; call Thytronic for purchasing
XMR-T EQUIPMENT MANUAL
Ed. 2.9 - 02/2021