4.4.4.9
Monitored data
Table 507:
46M Monitored data
Name
Type
Values (Range)
Unit
Description
PICKUP_DUR
FLOAT32
0.00...100.00
%
Ratio of pickup time / trip time
T_ENARESTART
INT32
0...10000
s
Estimated time to reset of
block restart
46M
Enum
1=Enabled
2=blocked
3=test
4=test/blocked
5=Disabled
Status
4.4.4.10
Technical data
Table 508:
46M Technical data
Characteristic
Value
Operation accuracy
Depending on the frequency of the measured
current: f
n
±1.5% of the set value or ±0.002 × I
n
Pickup time
1)2)
Minimum
Typical
Maximum
I
Fault
= 2.0 × set
Pickup
value
23
25 ms
28 ms
Reset time
Typically 40 ms
Reset ratio
Typically 0.96
Retardation time
<35 ms
Trip time accuracy in definite time mode
±1.0% of the set value or ±20 ms
Trip time accuracy in inverse time mode
±5.0% of the theoretical value or ±20 ms
3)
Suppression of harmonics
DFT: -50 dB at f = n × f
n
, where n = 2, 3, 4, 5,…
1) Negative-sequence current before = 0.0, f
n
= 50 Hz, results based on statistical distribution of 1000
measurements
2) Includes the delay of the signal output contact
3)
Pickup value multiples in range of 1.10...5.00
4.4.4.11
Technical revision history
Table 509:
46M Technical revision history
Technical revision
Change
B
Internal improvement
C
Internal improvement
1MAC059074-MB A
Section 4
Protection functions
615 series ANSI
609
Technical Manual
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