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10-8
Technical Data
857-UM001A-EN-P – July 2009
Table 10.22 – Unbalance / broken connector protection I
Settings:
- Setting range I
/ I
>
2
1
Definite time function:
- Operating time
Start time
Reset time
Reset ratio
Inaccuracy:
- Starting
- Operate time
Table 10.23 – Earth fault stage I
Input signal
Setting range I
>
0
Definite time function:
- Operating time
IDMT function:
- Delay curve family
- Curve type
- Time multiplier k
Start time
Reset time
Reset ratio
Inaccuracy:
- Starting
- Starting (Peak mode)
- Operating time at definite time function
- Operating time at IDMT function.
EI = Extremely Inverse, NI = Normal Inverse, VI = Very Inverse, LTI = Long Time Inverse,
MI= Moderately Inverse
This is the instantaneous time i.e. the minimum total operational time including the fault
detection time and operation time of the trip contacts.
/I
2
1
2 – 70 %
1.0 – 600.0 s (step 0.1 s)
Typically 200 ms
<450 ms
0.95
±1%-unit
±5% or ±200 ms
> (50N/51N)
0
I
( input X1-7 & 8)
0
I
( input X1-9 & 10)
02
I
( = I
+I
+I
)
0CALC
L1
L2
L3
0.005 ... 8.00 When I
or I
0
0.05 ... 20.0 When I
0CALC
DT
0.08
– 300.00 s (step 0.02 s)
(DT), IEC, IEEE, RI Prg
EI, VI, NI, LTI, MI...depends on the family
0.05 - 20.0, except
0.50 – 20.0 for RXIDG, IEEE and IEEE2
Typically 60 ms
<95 ms
0.95
±2% of the set value or ±0.3% of the rated
value
±5% of the set value or ±2% of the rated value
(Sine wave <65 Hz)
±1% or ±30 ms
±5% or at least ±30 ms
> (46R)
02
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