![background image](http://html.mh-extra.com/html/abb/615-series-ansi/615-series-ansi_technical-manual_4665388.webp)
1MAC050144-MB C
Section 4
Protection functions
615 series ANSI
381
Technical Manual
4.6.3.8
Monitored data
Table 332: 87LOZREF Monitored data
4.6.3.9
Technical data
Table 333: 87LOZREFTechnical data
Name
Type
Values (Range)
Unit
Description
PICKUP_DUR
FLOAT32
0.00...100.00
%
Ratio of pickup time / trip time
RES2H
BOOLEAN
0=False
1=True
2nd harmonic restraint
IDIFF
FLOAT32
0.00...80.00
xIn
Differential current
IBIAS
FLOAT32
0.00...80.00
xIn
Stabilization current
87LOZREF
Enum
1=enabled
2=blocke
3=test
4=test/blocked
5=disabled
Status
Characteristic
Value
Pickup accuracy
Depending on the frequency of the current
measured: f
n
±2Hz
±2.5% of the set value or ±0.002 x I
n
Pickup time
1 ,2
1. Current before fault = 0.0, f
n
= 60Hz, results based on statistical distribution of 1000 measurements.
2. Includes the delay of the signal output contact.
Minimum
Typical
Maximum
I
fault
= 2.0 x set
Trip
value
38 ms
40 ms
43 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
Suppression of harmonics
DFT: -50dB at f = n x f
n
, where n = 2, 3, 4, 5,…
Содержание 615 Series ANSI
Страница 1: ...Relion Protection and Control 615 series ANSI Technical Manual ...
Страница 2: ......
Страница 29: ...1MAC050144 MB C Section 615 series ANSI 22 Technical Manual ...
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 ...
Страница 712: ......