17.9.4
Signals
Table 494:
SMAI_20_1 Input signals
Name
Type
Default
Description
BLOCK
BOOLEAN
0
Block group 1
DFTSPFC
REAL
20.0
Number of samples per fundamental cycle used for
DFT calculation
REVROT
BOOLEAN
0
Reverse rotation group 1
GRP1L1
STRING
-
First analog input used for phase L1 or L1-L2
quantity
GRP1L2
STRING
-
Second analog input used for phase L2 or L2-L3
quantity
GRP1L3
STRING
-
Third analog input used for phase L3 or L3-L1
quantity
GRP1N
STRING
-
Fourth analog input used for residual or neutral
quantity
Table 495:
SMAI_20_1 Output signals
Name
Type
Description
SPFCOUT
REAL
Number of samples per fundamental cycle from
internal DFT reference function
AI3P
GROUP SIGNAL
Grouped three phase signal containing data from
inputs 1-4
AI1
GROUP SIGNAL
Quantity connected to the first analog input
AI2
GROUP SIGNAL
Quantity connected to the second analog input
AI3
GROUP SIGNAL
Quantity connected to the third analog input
AI4
GROUP SIGNAL
Quantity connected to the fourth analog input
AIN
GROUP SIGNAL
Calculated residual quantity if inputs 1-3 are
connected
Table 496:
SMAI_20_12 Input signals
Name
Type
Default
Description
BLOCK
BOOLEAN
0
Block group 12
REVROT
BOOLEAN
0
Reverse rotation group 12
GRP12L1
STRING
-
First analog input used for phase L1 or L1-L2
quantity
GRP12L2
STRING
-
Second analog input used for phase L2 or L2-L3
quantity
GRP12L3
STRING
-
Third analog input used for phase L3 or L3-L1
quantity
GRP12N
STRING
-
Fourth analog input used for residual or neutral
quantity
Section 17
1MRK 504 135-UEN A
Basic IED functions
582
Technical manual
Summary of Contents for ret650
Page 1: ...Relion 650 series Transformer protection RET650 Technical manual ...
Page 2: ......
Page 40: ...34 ...
Page 62: ...56 ...
Page 84: ...78 ...
Page 208: ...202 ...
Page 376: ...370 ...
Page 414: ...408 ...
Page 530: ...524 ...
Page 562: ...556 ...
Page 620: ...614 ...
Page 668: ...662 ...
Page 669: ...663 ...