6F2S1915 (0.46)
GRZ200 (Soft 031 & 032)
- 1192 -
11.3.7
Quality signal of IEC 61850 communication
Quality information and its attributes are defined in the IEC 61850. Table 11.3-6 shows that
the relations between the definitions in the standard and signals prepared in the IED. The
quality attributes are influenced by the errors and alarms occurred in the IED, and the degree
of those errors are standardized by settings ‘Error level’ (see Chapter
Automatic supervision
).
The quality information is also affected by the test mode executed in the IED (see Chapter
Commissioning and maintenance
).
Table 11.3-6 Quality signal defined in IEC 61850-7-3
Quality components definition in IEC 61850-7-3
IED signals
3
U16_
00
U16_
01
Qu
al
_V
al
idit
y
Attribute Name
Attribute value
M/
O/
C
1
Default
value
Validity
good / invalid / reserved / questionable
M
Undecided
(shall be
determined
depending
on an error
condition)
Y
Y
Y
detailQual
(
packed value
)
M
— — —
Packed
overflow
2
N N N
outOfRange
2
N N N
badReference
Y
N N
oscillatory
2
N N N
Failure
Y
Y N
oldData
2
N N N
inconsistent
2
N N N
Inaccurate
N
Y N
source
2
process / substituted
M
process
N N N
Test
True / False
M
False
Y
Y
Y
operatorBlocked
2
True / False
M
False
N N N
1
Note: M/N/O means rules of attributions. If it is Mandatory (M), it shall be used in the
IED. Optionally (O), or conditional mandatory(C) are used depending on the
environment states.
2
Note: The IED does not carry those attributes—overflow, out Of Range, oscillatory, old
Data, inconsistent, source, and operator Blocked.
3
Note: Three kinds of default quality information are defined in the IEDs of GR200:
(i) U16_00
Signal No.
230302 3112001BB0
(ii) U16_01
Signal No. 230302 3112011BB0
(iii) Qual_Validity
Signal No. 301001 3110041005
The U16_00 (i) is a default quality signal and it has been mapped in logical nodes
(LNs). For actual mappings in the IED, see
Appendix: IEC61850 MICS, PICS,
PIXIT, and TICS. The user can find out the Quality attribute practically.
Some detail quality attributes (e.g., overflow, outOfRange, etc. marked with “N”)
are not included.
Содержание GR 200 Series
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