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13.5 Frequency, Flicker and Relative Phase Data Structure
139
13.5
Frequency, Flicker and Relative Phase Data Structure
DNP
Modbus
Quantity
Full Scale
Type:Index
Input Reg.
AI:48
30049
Frequency
327.67 Hz = 32767
AI:49
30050
Frequency Error
±
32.767 Hz =
±
32767
AI:50
30051
Frequency Rate of Change
±
327.67 Hz/s =
±
32767
AI:51
30052
Reserved
0
AI:52
30053
System Time Deviation (seconds)
±
327.67 sec =
±
32767
AI:53
30054
System Time Deviation (cycles)
±
3276.7 cycles =
±
32767
AI:54
30055
Instantaneous Flicker, A Voltage
3276.7 Flicker = 32767
AI:55
30056
Instantaneous Flicker, A Current
3276.7 Flicker = 32767
AI:56
30057
Instantaneous Flicker, C Voltage
3276.7 Flicker = 32767
AI:57
30058
Instantaneous Flicker, C Current
3276.7 Flicker = 32767
AI:58
30059
Instantaneous Flicker, B Voltage
3276.7 Flicker = 32767
AI:59
30060
Instantaneous Flicker, B Current
3276.7 Flicker = 32767
AI:60
30061
Reserved
0
AI:61
30062
Reserved
0
AI:62
30063
Reserved
0
AI:63
30064
Reserved
0
AI:64
30065
A Voltage Relative Phase
Ref. = 0
AI:65
30066
A Current Relative Phase
±
180deg =
±
32767
AI:66
30067
C Voltage Relative Phase
±
180deg =
±
32767
AI:67
30068
C Current Relative Phase
±
180deg =
±
32767
AI:68
30069
B Voltage Relative Phase
±
180deg =
±
32767
AI:69
30070
B Current Relative Phase
±
180deg =
±
32767
AI:70
30071
Zero Sequence Voltage Rel. Phase
±
180deg =
±
32767
AI:71
30072
Zero Sequence Current Rel. Phase
±
180deg =
±
32767
AI:72
30073
Positive Sequence Voltage Rel. Phase
±
180deg =
±
32767
AI:73
30074
Positive Sequence Current Rel. Phase
±
180deg =
±
32767
AI:74
30075
Negative Sequence Voltage Rel. Phase
±
180deg =
±
32767
AI:75
30076
Negative Sequence Current Rel. Phase
±
180deg =
±
32767
Table 13.3: Frequency, Flicker and Relative Phase Register Values