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make slower measurement response to the step changes in the measured quantity.
Filtering is performed in accordance with the following recursive formula:
S
TD S
TD
S
Old
Calculated
=
⋅
+ −
(
)
⋅
1
EQUATION1959-ANSI V1 EN
(Equation 73)
Where
S
is a new measured value to be used for the protection function
S
old
is the measured value given from the function in previous execution cycle
S
Calculated
is the new calculated value in the present execution cycle
TD
is settable parameter by the end user which influence the filter properties
Default value for parameter
TD
is
0.00
. With this value the new calculated value is
immediately given out without any filtering (that is without any additional delay). When
TD
is set to value bigger than 0, the filtering is enabled. A typical value for
TD=0.92
in
case of slow operating functions.
8.7.5
Technical data
Table 134:
GOPPDOP, GUPPDUP (32/37) technical data
Function
Range or value
Accuracy
Power level
(0.0–500.0)% of
SBase
± 1.0% of S
r
at S < S
r
± 1.0% of S at S > S
r
(1.0-2.0)% of
SBase
< ± 50% of set value
(2.0-10)% of
SBase
< ± 20% of set value
Characteristic angle
(-180.0–180.0) degrees
2 degrees
Timers
(0.010 - 6000.000) s
± 0.5% ± 25 ms
8.8
Accidental energizing protection for synchronous
generator AEGGAPC (50AE)
8.8.1
Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Accidental energizing protection for
synchronous generator
AEGGAPC
U<I>
50AE
1MRK 502 048-UUS A
Section 8
Current protection
261
Technical manual
Содержание 650 series
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