Real-Time Measurements
General Description
The real-time measurements are refreshed every second. Real-time measurements include:
-
voltage and voltage unbalance
-
current and current unbalance
-
active, reactive, apparent, and distortion power
-
reactive power with harmonic
-
power factor and fundamental power factor
-
frequency
-
THD (total harmonic distortion)
Voltage
Register = 0 if voltage < 25 V.
Address |
Register |
RW |
X |
Unit |
Type |
Range |
A/E |
Description |
---|---|---|---|---|---|---|---|---|
0x03E7 |
1000 |
R |
1 |
V |
INT16U |
0–850 |
E |
RMS phase-to-phase voltage VAB |
0x03E8 |
1001 |
R |
1 |
V |
INT16U |
0–850 |
E |
RMS phase-to-phase voltage VBC |
0x03E9 |
1002 |
R |
1 |
V |
INT16U |
0–850 |
E |
RMS phase-to-phase voltage VCA |
0x03EA |
1003 |
R |
1 |
V |
INT16U |
0–850 |
E |
RMS phase-to-neutral voltage VAN (1) |
0x03EB |
1004 |
R |
1 |
V |
INT16U |
0–850 |
E |
RMS phase-to-neutral voltage VBN (1) |
0x03EC |
1005 |
R |
1 |
V |
INT16U |
0–850 |
E |
RMS phase-to-neutral voltage VCN (1) |
0x03ED |
1006 |
R |
1 |
V |
INT16U |
0–850 |
E |
Arithmetic mean of VAB, VBC, and VCA: (VAB + VBC + VCA) / 3 = Vavg L-L |
0x03EE |
1007 |
R |
1 |
V |
INT16U |
0–850 |
E |
Arithmetic mean of VAN, VBN, and VCN: (VAN + VBN + VCN) / 3 = Vavg L-N (1) |
0x0478 |
1145 |
R |
1 |
V |
INT16U |
0–850 |
E |
Vmax: maximum of VAB, VBC, and VCA (2) |
0x0479 |
1146 |
R |
1 |
V |
INT16U |
0–850 |
E |
Vmin: minimum of VAB, VBC, and VCA (2) |
(1) This value is not available for motor application and not accessible when the system type in register 3314 is 30 or 31. Refer to System Type. (2) This value can be reset with the reset minimum/maximum command Reset Minimum/Maximum. |
Voltage Unbalance
Address |
Register |
RW |
X |
Unit |
Type |
Range |
A/E |
Description |
---|---|---|---|---|---|---|---|---|
0x03EF |
1008 |
R |
10 |
% |
INT16U |
-1000–+1000 |
E |
VAB phase-to-phase voltage unbalance in relation to the arithmetic mean of phase-to-phase voltages |
0x03F0 |
1009 |
R |
10 |
% |
INT16U |
-1000–+1000 |
E |
VBC phase-to-phase voltage unbalance in relation to the arithmetic mean of phase-to-phase voltages |
0x03F1 |
1010 |
R |
10 |
% |
INT16U |
-1000–+1000 |
E |
VCA phase-to-phase voltage unbalance in relation to the arithmetic mean of phase-to-phase voltages |
0x03F2 |
1011 |
R |
10 |
% |
INT16U |
-1000–+1000 |
E |
VAN phase-to-neutral voltage unbalance in relation to the arithmetic mean of phase-to-neutral voltages (1) |
0x03F3 |
1012 |
R |
10 |
% |
INT16U |
-1000–+1000 |
E |
VBN phase-to-neutral voltage unbalance in relation to the arithmetic mean of phase-to-neutral voltages (1) |
0x03F4 |
1013 |
R |
10 |
% |
INT16U |
-1000–+1000 |
E |
VCN phase-to-neutral voltage unbalance in relation to the arithmetic mean of phase-to-neutral voltages (1) |
0x03F5 |
1014 |
R |
10 |
% |
INT16U |
-1000–+1000 |
E |
Maximum phase-to-phase voltage unbalance value of registers 1008, 1009, and 1010 (2) |
0x03F6 |
1015 |
R |
10 |
% |
INT16U |
-1000–+1000 |
E |
Maximum phase-to-neutral voltage unbalance value of registers 1011, 1012, and 1013 (1)(2) |
(1) This value is not available for motor application and when the system type in register 3314 is 30 or 31. Refer to System Type. (2) This value can be reset with the reset minimum/maximum command Reset Minimum/Maximum. |
Current
Address |
Register |
RW |
X |
Unit |
Type |
Range |
A/E |
Description |
---|---|---|---|---|---|---|---|---|
0x03F7 |
1016 |
R |
1 |
A |
INT16U |
0–20xIn |
A/E |
RMS current on phase A: IA |
0x03F8 |
1017 |
R |
1 |
A |
INT16U |
0–20xIn |
A/E |
RMS current on phase B: IB |
0x03F9 |
1018 |
R |
1 |
A |
INT16U |
0–20xIn |
A/E |
RMS current on phase C: IC |
0x03FA |
1019 |
R |
1 |
A |
INT16U |
0–20xIn |
A/E |
RMS current on the neutral: IN (1) |
0x03FB |
1020 |
R |
1 |
A |
INT16U |
0–20xIn |
A/E |
Maximum of IA, IB, IC, and IN (2) |
0x03FC |
1021 |
R |
1 |
%Ig |
INT16U |
0–20xIn |
A/E |
Ground-fault current |
0x03FD |
1022 |
R |
– |
– |
– |
– |
– |
Reserved |
0x0401 |
1026 |
R |
1 |
A |
INT16U |
0–20xIn |
A/E |
Minimum of IA, IB, and IC (2) |
0x0402 |
1027 |
R |
1 |
A |
INT16U |
0–20xIn |
A/E |
Arithmetic mean of IA, IB, and IC: (IA + IB + IC) / 3 = Iavg |
(1) This value is not available for motor application and when the system type in register 3314 is 31 or 40. Refer to System Type. (2) This value can be reset with the reset minimum/maximum command Reset Minimum/Maximum. |
Current Unbalance
Address |
Register |
RW |
X |
Unit |
Type |
Range |
A/E |
Description |
---|---|---|---|---|---|---|---|---|
0x0403 |
1028 |
R |
10 |
% |
INT16 |
-1000–+1000 |
E |
IA current unbalance in relation to the arithmetic mean of the phase currents |
0x0404 |
1029 |
R |
10 |
% |
INT16 |
-1000–+1000 |
E |
IB current unbalance in relation to the arithmetic mean of the phase currents |
0x0405 |
1030 |
R |
10 |
% |
INT16 |
-1000–+1000 |
E |
IC current unbalance in relation to the arithmetic mean of the phase currents |
0x0406 |
1031 |
R |
10 |
% |
INT16 |
-1000–+1000 |
E |
IN current unbalance in relation to the arithmetic mean of the phase current (1) |
0x0407 |
1032 |
R |
10 |
% |
INT16 |
-1000–+1000 |
E |
Maximum current unbalance of registers 1028, 1029, and 1030 (2) |
(1) This value is not available for motor application and when the system type in register 3314 is 31 or 40. Refer to System Type. (2) This value can be reset with the reset minimum/maximum command Reset Minimum/Maximum. |
Active Power
The flow sign of the active power depends on the configuration of register 3316 Power Flow Sign.
Address |
Register |
RW |
X |
Unit |
Type |
Range |
A/E |
Description |
---|---|---|---|---|---|---|---|---|
0x0409 |
1034 |
R |
10 |
kW |
INT16 |
-10000–+10000 |
E |
Active power on phase A: PA (1) |
0x040A |
1035 |
R |
10 |
kW |
INT16 |
-10000–+10000 |
E |
Active power on phase B: PB (1) |
0x040B |
1036 |
R |
10 |
kW |
INT16 |
-10000–+10000 |
E |
Active power on phase C: PC (1) |
0x040C |
1037 |
R |
10 |
kW |
INT16 |
-30000–+30000 |
E |
Total active power: Ptot |
(1) This value is not available for motor application and when the system type in register 3314 is 30 or 31. Refer to System Type. |
Reactive Power
The flow sign of the reactive power depends on the configuration of register 3316 Power Flow Sign.
Address |
Register |
RW |
X |
Unit |
Type |
Range |
A/E |
Description |
---|---|---|---|---|---|---|---|---|
0x040D |
1038 |
R |
10 |
kVAR |
INT16 |
-10000–+10000 |
E |
Reactive power on phase A: QA (1) |
0x040E |
1039 |
R |
10 |
kVAR |
INT16 |
-10000–+10000 |
E |
Reactive power on phase B: QB (1) |
0x040F |
1040 |
R |
10 |
kVAR |
INT16 |
-10000–+10000 |
E |
Reactive power on phase C: QC (1) |
0x0410 |
1041 |
R |
10 |
kVAR |
INT16 |
-30000–+30000 |
E |
Total reactive power: Qtot |
(1) This value is not available for motor application and when the system type in register 3314 is 30 or 31. Refer to System Type. |
Apparent Power
Address |
Register |
RW |
X |
Unit |
Type |
Range |
A/E |
Description |
---|---|---|---|---|---|---|---|---|
0x0411 |
1042 |
R |
10 |
kVAR |
INT16 |
0–10000 |
E |
Apparent power on phase A: SA (1) |
0x0412 |
1043 |
R |
10 |
kVAR |
INT16 |
0–10000 |
E |
Apparent power on phase B: SB (1) |
0x0413 |
1044 |
R |
10 |
kVAR |
INT16 |
0–10000 |
E |
Apparent power on phase C: SC (1) |
0x0414 |
1045 |
R |
10 |
kVAR |
INT16 |
0–30000 |
E |
Total apparent power: Stot |
(1) This value is not available for motor application and when the system type in register 3314 is 30 or 31. Refer to System Type. |
Power Factor
The sign of the power factor depends on the configuration of register 3318 Power Factor Sign.
Address |
Register |
RW |
X |
Unit |
Type |
Range |
A/E |
Description |
---|---|---|---|---|---|---|---|---|
0x0415 |
1046 |
R |
100 |
– |
INT16 |
-100–+100 |
E |
Power factor on phase A: PFA (1) |
0x0416 |
1047 |
R |
100 |
– |
INT16 |
-100–+100 |
E |
Power factor on phase B: PFB (1) |
0x0417 |
1048 |
R |
100 |
– |
INT16 |
-100–+100 |
E |
Power factor on phase C: PFC (1) |
0x0418 |
1049 |
R |
100 |
– |
INT16 |
-100–+100 |
E |
Total power factor: PF |
(1) This value is not available for motor application and when the system type in register 3314 is 30 or 31. Refer to System Type. |
Fundamental Power Factor (cosϕ)
The sign of the fundamental power factor (cosϕ) depends on the configuration of register 3318 Power Factor Sign.
Address |
Register |
RW |
X |
Unit |
Type |
Range |
A/E |
Description |
---|---|---|---|---|---|---|---|---|
0x0419 |
1050 |
R |
100 |
– |
INT16 |
-100–+100 |
E |
Fundamental power factor on phase A: cosϕ A (1) |
0x041A |
1051 |
R |
100 |
– |
INT16 |
-100–+100 |
E |
Fundamental power factor on phase B: cosϕ B (1) |
0x041B |
1052 |
R |
100 |
– |
INT16 |
-100–+100 |
E |
Fundamental power factor on phase C: cosϕ C (1) |
0x041C |
1053 |
R |
100 |
– |
INT16 |
-100–+100 |
E |
Total fundamental power factor: cosφ |
(1) This value is not available for motor application and when the system type in register 3314 is 30 or 31. Refer to System Type. |
Frequency
When the MicroLogic trip unit cannot calculate the frequency, it returns Not Evaluated = 32768 (0x8000).
Address |
Register |
RW |
X |
Unit |
Type |
Range |
A/E |
Description |
---|---|---|---|---|---|---|---|---|
0x041D |
1054 |
R |
10 |
Hz |
INT16U |
150–4400 |
E |
System frequency: F |
Fundamental Reactive Power
The flow sign of the reactive power depends on the configuration of register 3316 Power Flow Sign.
Address |
Register |
RW |
X |
Unit |
Type |
Range |
A/E |
Description |
---|---|---|---|---|---|---|---|---|
0x0437 |
1080 |
R |
10 |
kVAR |
INT16 |
-10000–+10000 |
E |
Fundamental reactive power on phase A: QA Fund (1) |
0x0438 |
1081 |
R |
10 |
kVAR |
INT16 |
-10000–+10000 |
E |
Fundamental reactive power on phase B: QB Fund (1) |
0x0439 |
1082 |
R |
10 |
kVAR |
INT16 |
-10000–+10000 |
E |
Fundamental reactive power on phase C: QC Fund (1) |
0x043A |
1083 |
R |
10 |
kVAR |
INT16 |
-10000–+10000 |
E |
Total fundamental reactive power: Qtot Fund |
(1) This value is not available for motor application and when the system type in register 3314 is 30 or 31. Refer to System Type. |
Distortion Power
Address |
Register |
RW |
X |
Unit |
Type |
Range |
A/E |
Description |
---|---|---|---|---|---|---|---|---|
0x043F |
1088 |
R |
10 |
kVAR |
INT16U |
0–10000 |
E |
Distortion power on phase A: DA (1) |
0x0440 |
1089 |
R |
10 |
kVAR |
INT16U |
0–10000 |
E |
Distortion power on phase B: DB (1) |
0x0441 |
1090 |
R |
10 |
kVAR |
INT16U |
0–10000 |
E |
Distortion power on phase C: DC (1) |
0x0442 |
1091 |
R |
10 |
kVAR |
INT16U |
0–10000 |
E |
Total distortion power: Dtot |
(1) This value is not available for motor application and when the system type in register 3314 is 30 or 31. Refer to System Type. |
Total Harmonic Distortion (THD)
Address |
Register |
RW |
X |
Unit |
Type |
Range |
A/E |
Description |
---|---|---|---|---|---|---|---|---|
0x0443 |
1092 |
R |
10 |
% |
INT16U |
0–32766 |
E |
Total harmonic distortion of VAB in relation to the fundamental |
0x0444 |
1093 |
R |
10 |
% |
INT16U |
0–32766 |
E |
Total harmonic distortion of VBC in relation to the fundamental |
0x0445 |
1094 |
R |
10 |
% |
INT16U |
0–32766 |
E |
Total harmonic distortion of VCA in relation to the fundamental |
0x0446 |
1095 |
R |
10 |
% |
INT16U |
0–32766 |
E |
Total harmonic distortion of VAN in relation to the fundamental (1) |
0x0447 |
1096 |
R |
10 |
% |
INT16U |
0–32766 |
E |
Total harmonic distortion of VBN in relation to the fundamental (1) |
0x0448 |
1097 |
R |
10 |
% |
INT16U |
0–32766 |
E |
Total harmonic distortion of VCN in relation to the fundamental (1) |
0x0449 |
1098 |
R |
10 |
% |
INT16U |
0–32766 |
E |
Total harmonic distortion of IA in relation to the fundamental |
0x044A |
1099 |
R |
10 |
% |
INT16U |
0–32766 |
E |
Total harmonic distortion of IB in relation to the fundamental |
0x044B |
1100 |
R |
10 |
% |
INT16U |
0–32766 |
E |
Total harmonic distortion of IC in relation to the fundamental |
(1) This value is not available for motor application and when the system type in register 3314 is 30 or 31. Refer to System Type. |
Thermal Image of Motor
Address |
Register |
RW |
X |
Unit |
Type |
Range |
A/E |
Description |
---|---|---|---|---|---|---|---|---|
0x0477 |
1144 |
R |
1 |
% |
INT16U |
0–32766 |
E |
Ith image |