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Section 4
1MAC050144-MB C
Protection functions
198
615 series ANSI
Technical Manual
Table 183: 46 Non group settings
4.1.7.8
Monitored data
Table 184: 46 Monitored data
4.1.7.9
Technical data
Table 185: 46 Technical data
Parameter
Values (Range)
Unit
Step
Default
Description
Operation
1=Enable
5=Disable
5=Disable
Operation Disable / Enable
Minimum trip time
20...60000
ms
1
20
Minimum trip time for IDMT curves
Reset delay time
0...60000
ms
1
20
Reset delay time
Curve parameter A
0.0086...120.0000
28.2000
Parameter A for customer programmable curve
Curve parameter B
0.0000...0.7120
0.1217
Parameter B for customer programmable curve
Curve parameter C
0.02...2.00
2.00
Parameter C for customer programmable curve
Curve parameter D
0.46...30.00
29.10
Parameter D for customer programmable curve
Curve parameter E
0.0...1.0
1.0
Parameter E for customer programmable curve
Name
Type
Values (Range)
Unit
Description
PICKUP_DUR
FLOAT32
0.00...100.00
%
Ratio of pickup time / trip
time
46
Enum
1=enabled
2=blocked
3=test
4=test/blocked
5=disabled
Status
Pickup accuracy
Depending on the frequency of the current
measured: f
n
±2Hz
±1.5% of the set value or ±0.002 x I
n
Pickup time
12
1. Negative sequence current before fault = 0.0, f
n
= 60 Hz, results based on statistical distribution of 1000
measurements
2. Includes the delay of the signal output contact
Minimum
Typical
Maximum
I
Fault
= 2 x set
Pickup value
I
Fault
= 10 x set
Pickup value
22 ms
14 ms
24 ms
16 ms
25 ms
17 ms
Reset time
< 40 ms
Reset ratio
Typical 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
3. Maximum
Pickup value
= 2.5 x I
n
,
Pickup value
multiples in range of 1.5 to 20
Suppression of harmonics
DFT: -50dB at f = n x f
n
, where n = 2, 3, 4, 5,…
Содержание 615 Series ANSI
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Страница 389: ...Section 4 1MAC050144 MB C Protection functions 382 615 series ANSI Technical Manual ...
Страница 485: ...Section 6 1MAC050144 MB C Supervision functions 478 615 series ANSI Technical Manual ...
Страница 635: ...Section 10 1MAC050144 MB C Other functions 628 615 series ANSI Technical Manual ...
Страница 707: ...Section 15 1MAC050144 MB C Applicable standards and regulations 700 615 series ANSI Technical Manual ...
Страница 711: ...Section 16 1MAC050144 MB C Glossary 704 615 series ANSI Technical Manual ...
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