DOCA0054EN-10

Real-Time Measurements

General Description

The metering manager refreshes the real-time measurements every second. Real-time measurements include:

  • voltage and voltage unbalance

  • current and current unbalance

  • active, reactive, apparent, and distortion power

  • power factor and fundamental power factor

  • frequency

  • fundamental voltage and current

  • fundamental active, reactive, and apparent power

  • THD (total harmonic distortion in relation to the fundamental)

  • thd (total harmonic distortion in relation to the RMS value)

  • voltage to current phase shift

  • K-factor

  • peak factor

  • voltage to voltage phase shift

Voltage

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Description

0x03E7

1000

R

1

V

INT16U

0–1200

E/P/H

RMS phase-to-phase voltage V12

0x03E8

1001

R

1

V

INT16U

0–1200

E/P/H

RMS phase-to-phase voltage V23

0x03E9

1002

R

1

V

INT16U

0–1200

E/P/H

RMS phase-to-phase voltage V31

0x03EA

1003

R

1

V

INT16U

0–1200

E/P/H

RMS phase-to-neutral voltage V1N (1)

0x03EB

1004

R

1

V

INT16U

0–1200

E/P/H

RMS phase-to-neutral voltage V2N (1)

0x03EC

1005

R

1

V

INT16U

0–1200

E/P/H

RMS phase-to-neutral voltage V3N (1)

0x03ED

1006

R

1

V

INT16U

0–1200

E/P/H

Arithmetic mean of V12, V23, and V31: (V12 + V23 + V31) / 3 = Vavg L-L

0x03EE

1007

R

1

V

INT16U

0–1200

E/P/H

Arithmetic mean of V1N, V2N, and V3N: (V1N + V2N + V3N) / 3 = Vavg L-N (1)

(1) Value is not available when the system type in register 3314 is 30 or 31. Refer to System Type.

Voltage Unbalance

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Description

0x03EF

1008

R

10

%

INT16

-1000–+1000

E/P/H

V12 phase-to-phase voltage unbalance in relation to the arithmetic mean of phase-to-phase voltages

0x03F0

1009

R

10

%

INT16

-1000–+1000

E/P/H

V23 phase-to-phase voltage unbalance in relation to the arithmetic mean of phase-to-phase voltages

0x03F1

1010

R

10

%

INT16

-1000–+1000

E/P/H

V31 phase-to-phase voltage unbalance in relation to the arithmetic mean of phase-to-phase voltages

0x03F2

1011

R

10

%

INT16

-1000–+1000

E/P/H

V1N phase-to-neutral voltage unbalance in relation to the arithmetic mean of phase-to-neutral voltages (1)

0x03F3

1012

R

10

%

INT16

-1000–+1000

E/P/H

V2N phase-to-neutral voltage unbalance in relation to the arithmetic mean of phase-to-neutral voltages (1)

0x03F4

1013

R

10

%

INT16

-1000–+1000

E/P/H

V3N phase-to-neutral voltage unbalance in relation to the arithmetic mean of phase-to-neutral voltages (1)

0x03F5

1014

R

10

%

INT16

-1000–+1000

E/P/H

Maximum phase-to-phase voltage unbalance value of registers 1008, 1009, and 1010

0x03F6

1015

R

10

%

INT16

-1000–+1000

E/P/H

Maximum phase-to-neutral voltage unbalance value of registers 1011, 1012, and 1013 (1)

(1) Value is not available when the system type in register 3314 is 30 or 31. Refer to System Type.

Current

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Description

0x03F7

1016

R

1

A

INT16U

0–32767

A/E/P/H

RMS current on phase 1: I1

0x03F8

1017

R

1

A

INT16U

0–32767

A/E/P/H

RMS current on phase 2: I2

0x03F9

1018

R

1

A

INT16U

0–32767

A/E/P/H

RMS current on phase 3: I3

0x03FA

1019

R

1

A

INT16U

0–32767

A/E/P/H

RMS current on the neutral: IN (1)

0x03FB

1020

R

1

A

INT16U

0–32767

A/E/P/H

Maximum of I1, I2, I3, and IN

0x03FC

1021

R

1

%lg

INT16U

0–32767

A/E/P/H

Ground-fault current (2)

0x03FD

1022

R

1

mA

INT16U

0–32767

A/P/H

Earth-leakage current(3)(4)

0x03FE

1023

R

1

A

INT16U

0–32767

H

Apparent current phase 1 (peak/√2)

0x03FF

1024

R

1

A

INT16U

0–32767

H

Apparent current phase 2 (peak/√2)

0x0400

1025

R

1

A

INT16U

0–32767

H

Apparent current phase 3 (peak/√2)

0x0401

1026

R

1

A

INT16U

0–32767

H

Apparent current neutral (peak/√2)

0x0402

1027

R

1

A

INT16U

0–32767

E/P/H

Arithmetic mean of I1, I2, and I3: (I1 + I2 + I3) / 3 = Iavg

(1) Value is not available when the system type in register 3314 is 31 or 40. Refer to System Type.

(2) Accessible only with MicroLogic 5.0 P/H and 6.0 A/E/P/H trip units.

(3) Accessible only with MicroLogic 7.0 A/P/H trip units.

(4) If this current exceeds 32767 A, the register blocks at 32767.

Current Unbalance

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Description

0x0403

1028

R

10

%

INT16

-1000–+1000

E/P/H

I1 current unbalance in relation to the arithmetic mean of the phase currents

0x0404

1029

R

10

%

INT16

-1000–+1000

E/P/H

I2 current unbalance in relation to the arithmetic mean of the phase currents

0x0405

1030

R

10

%

INT16

-1000–+1000

E/P/H

I3 current unbalance in relation to the arithmetic mean of the phase currents

0x0406

1031

R

10

%

INT16

-1000–+1000

E/P/H

IN current unbalance in relation to the arithmetic mean of the phase currents (1)

0x0407

1032

R

10

%

INT16

-1000–+1000

E/P/H

Maximum current unbalance of registers 1028, 1029, and 1030

(1) Value is not available when the system type in register 3314 is 31 or 40. Refer to System Type.

Active Power

The flow sign of the active power depends on the configuration of register 3316.

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Description

0x0409

1034

R

1

kW

INT16

-32767–+32767

E/P/H

Active power on phase 1: P1 (1)

0x040A

1035

R

1

kW

INT16

-32767–+32767

E/P/H

Active power on phase 2: P2 (1)

0x040B

1036

R

1

kW

INT16

-32767–+32767

E/P/H

Active power on phase 3: P3 (1)

0x040C

1037

R

1

kW

INT16

-32767–+32767

E/P/H

Total active power: Ptot

(1) Value is not available 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.

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Description

0x040D

1038

R

1

kVAR

INT16

-32767–+32767

E/P/H

Reactive power on phase 1: Q1

0x040E

1039

R

1

kVAR

INT16

-32767–+32767

E/P/H

Reactive power on phase 2: Q2

0x040F

1040

R

1

kVAR

INT16

-32767–+32767

E/P/H

Reactive power on phase 3: Q3

0x0410

1041

R

1

kVAR

INT16

-32767–+32767

E/P/H

Total reactive power: Qtot

(1) Value is not available 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/P/H

Description

0x0411

1042

R

1

kVA

INT16U

0–32767

E/P/H

Apparent power on phase 1: S1 (1)

0x0412

1043

R

1

kVA

INT16U

0–32767

E/P/H

Apparent power on phase 2: S2 (1)

0x0413

1044

R

1

kVA

INT16U

0–32767

E/P/H

Apparent power on phase 3: S3 (1)

0x0414

1045

R

1

kVA

INT16U

0–32767

E/P/H

Total apparent power: Stot

(1) Value is not available 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.

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Description

0x0415

1046

R

1000

INT16

-1000–+1000

E/P/H

Power factor on phase 1: PF1 (absolute value equal to |P1|/S1) (1)

0x0416

1047

R

1000

INT16

-1000–+1000

E/P/H

Power factor on phase 2: PF2 (absolute value equal to |P2|/S2) (1)

0x0417

1048

R

1000

INT16

-1000–+1000

E/P/H

Power factor on phase 3: PF3 (absolute value equal to |P3|/S3) (1)

0x0418

1049

R

1000

INT16

-1000–+1000

E/P/H

Total power factor: PF (absolute value equal to |Ptotal| / Stotal) (1)

(1) Value is not available 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.

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Description

0x0419

1050

R

1000

INT16

-1000–+1000

H

Fundamental power factor on phase 1: cosϕ1 (absolute value equal to |P1 Fund|/S1 Fund) (1)

0x041A

1051

R

1000

INT16

-1000–+1000

H

Fundamental power factor on phase 2: cosϕ2 (absolute value equal to |P2 Fund|/S2 Fund) (1)

0x041B

1052

R

1000

INT16

-1000–+1000

H

Fundamental power factor on phase 3: cosϕ3 (absolute value equal to |P3 Fund|/S3 Fund) (1)

0x041C

1053

R

1000

INT16

-1000–+1000

H

Total fundamental power factor: cosφ (absolute value equal to |Ptot Fund|/Stot Fund)

(1) Value is not available 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 applicable = 32768 (0x8000).

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Description

0x041D

1054

R

10

Hz

INT16U

400–600

P/H

System frequency: F

Fundamental Voltage

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Description

0x041F

1056

R

1

V

INT16U

0–1200

H

Fundamental rms phase-to-phase voltage V12 Fund

0x0420

1057

R

1

V

INT16U

0–1200

H

Fundamental rms phase-to-phase voltage V23 Fund

0x0421

1058

R

1

V

INT16U

0–1200

H

Fundamental rms phase-to-phase voltage V31 Fund

0x0422

1059

R

1

V

INT16U

0–1200

H

Fundamental rms phase-to-neutral voltage V1N Fund (1)

0x0423

1060

R

1

V

INT16U

0–1200

H

Fundamental rms phase-to-neutral voltage V2N Fund (1)

0x0424

1061

R

1

V

INT16U

0–1200

H

Fundamental rms phase-to-neutral voltage V3N Fund (1)

(1) Value is not available when the system type in register 3314 is 30 or 31. Refer to System Type.

Fundamental Current

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Description

0x042B

1068

R

1

A

INT16U

0–32767

H

Fundamental rms current on phase 1: I1 Fund

0x042C

1069

R

1

A

INT16U

0–32767

H

Fundamental rms current on phase 2: I2 Fund

0x042D

1070

R

1

A

INT16U

0–32767

H

Fundamental rms current on phase 3: I3 Fund

0x042E

1071

R

1

A

INT16U

0–32767

H

Fundamental rms current on neutral: IN Fund (1) (2)

(1) Value is not available when the system type in register 3314 is 31 or 40. Refer to System Type.

(2) Measured with system type 41.

Fundamental Active Power

The flow sign of the active power depends on the configuration of register 3316.

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Description

0x0433

1076

R

1

kW

INT16U

-32767–32767

H

Fundamental active power on phase 1: P1 Fund (1)

0x0434

1077

R

1

kW

INT16U

-32767–32767

H

Fundamental active power on phase 2: P2 Fund (1)

0x0435

1078

R

1

kW

INT16U

-32767–32767

H

Fundamental active power on phase 3: P3 Fund (1)

0x0436

1079

R

1

kW

INT16U

-32767–32767

H

Total fundamental active power: Ptot Fund

(1) Value is not available when the system type in register 3314 is 30 or 31. Refer to System Type.

Fundamental Reactive Power

The flow sign of the reactive power depends on the configuration of register 3316.

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Description

0x0437

1080

R

1

kVAR

INT16U

-32767–32767

H

Fundamental reactive power on phase 1: Q1 Fund (1)

0x0438

1081

R

1

kVAR

INT16U

-32767–32767

H

Fundamental reactive power on phase 2: Q2 Fund (1)

0x0439

1082

R

1

kVAR

INT16U

-32767–32767

H

Fundamental reactive power on phase 3: Q3 Fund (1)

0x043A

1083

R

1

kVAR

INT16U

-32767–32767

H

Total fundamental reactive power: Qtot Fund

(1) Value is not available when the system type in register 3314 is 30 or 31. Refer to System Type.

Fundamental Apparent Power

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Description

0x043B

1084

R

1

kVA

INT16U

0–32767

H

Fundamental apparent power on phase 1: S1 Fund (1)

0x043C

1085

R

1

kVA

INT16U

0–32767

H

Fundamental apparent power on phase 2: S2 Fund (1)

0x043D

1086

R

1

kVA

INT16U

0–32767

H

Fundamental apparent power on phase 3: S3 Fund (1)

0x043E

1087

R

1

kVA

INT16U

0–32767

H

Total fundamental apparent power: Stot Fund

(1) Value is not available 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/P/H

Description

0x043F

1088

R

1

kVAR

INT16U

0–32767

H

Distortion power on phase 1: D1 (1)

0x0440

1089

R

1

kVAR

INT16U

0–32767

H

Distortion power on phase 2: D2 (1)

0x0441

1090

R

1

kVAR

INT16U

0–32767

H

Distortion power on phase 3: D3 (1)

0x0442

1091

R

1

kVAR

INT16U

0–32767

H

Total distortion power: Dtot

(1) Value is not available when the system type in register 3314 is 30 or 31. Refer to System Type.

Total Harmonic Distortion in Relation to the Fundamental (THD)

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Description

0x0443

1092

R

10

%

INT16U

0–5000

H

Total harmonic distortion of V12 in relation to the fundamental

0x0444

1093

R

10

%

INT16U

0–5000

H

Total harmonic distortion of V23 in relation to the fundamental

0x0445

1094

R

10

%

INT16U

0–5000

H

Total harmonic distortion of V31 in relation to the fundamental

0x0446

1095

R

10

%

INT16U

0–5000

H

Total harmonic distortion of V1N in relation to the fundamental (1)

0x0447

1096

R

10

%

INT16U

0–5000

H

Total harmonic distortion of V2N in relation to the fundamental (1)

0x0448

1097

R

10

%

INT16U

0–5000

H

Total harmonic distortion of V3N in relation to the fundamental (1)

0x0449

1098

R

10

%

INT16U

0–5000

H

Total harmonic distortion of I1 in relation to the fundamental

0x044A

1099

R

10

%

INT16U

0–5000

H

Total harmonic distortion of I2 in relation to the fundamental

0x044B

1100

R

10

%

INT16U

0–5000

H

Total harmonic distortion of I3 in relation to the fundamental

0x044C

1101

R

10

%

INT16U

0–5000

H

Total harmonic distortion of IN in relation to the fundamental (1) (2)

(1) Value is not available when the system type in register 3314 is 30 or 31. Refer to System Type.

(2) Measured with system type 41, calculated with system type 40.

Total Harmonic Distortion in Relation to the RMS Value (thd)

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Description

0x044D

1102

R

10

%

INT16U

0–1000

H

Total harmonic distortion of V12 in relation to the rms value

0x044E

1103

R

10

%

INT16U

0–1000

H

Total harmonic distortion of V23 in relation to the rms value

0x044F

1104

R

10

%

INT16U

0–1000

H

Total harmonic distortion of V31 in relation to the rms value

0x0450

1105

R

10

%

INT16U

0–1000

H

Total harmonic distortion of V1N in relation to the rms value (1)

0x0451

1106

R

10

%

INT16U

0–1000

H

Total harmonic distortion of V2N in relation to the rms value (1)

0x0452

1107

R

10

%

INT16U

0–1000

H

Total harmonic distortion of V3N in relation to the rms value (1)

0x0453

1108

R

10

%

INT16U

0–1000

H

Total harmonic distortion of I1 in relation to the rms value

0x0454

1109

R

10

%

INT16U

0–1000

H

Total harmonic distortion of I2 in relation to the rms value

0x0455

1110

R

10

%

INT16U

0–1000

H

Total harmonic distortion of I3 in relation to the rms value

0x0456

1111

R

10

%

INT16U

0–1000

H

Total harmonic distortion of IN in relation to the rms value (1) (2)

(1) Value is not available when the system type in register 3314 is 30 or 31. Refer to System Type.

(2) Measured with system type 41, calculated with system type 40.

Voltage-to-Current Phase Shift

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Description

0x0457

1112

R

10

Deg

INT16U

0–3600

H

  • Phase shift V12/I1 with system type 31

  • Phase shift V1N/I1 with system type 40 and 41

0x0458

1113

R

10

Deg

INT16U

0–3600

H

  • Phase shift V23/I2 with system type 31

  • Phase shift V2N/I2 with system type 40 and 41

0x0459

1114

R

10

Deg

INT16U

0–3600

H

  • Phase shift V31/I3 with system type 31

  • Phase shift V3N/I3 with system type 40 and 41

K-Factor

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Description

0x045A

1115

R

10

INT16U

0–1000

H

Phase 1 K-factor(2)

0x045B

1116

R

10

INT16U

0–1000

H

Phase 2 K-factor(2)

0x045C

1117

R

10

INT16U

0–1000

H

Phase 3 K-factor(2)

0x045D

1118

R

10

INT16U

0–1000

H

Neutral K-factor (1) (2)

(1) Value is not available when the system type in register 3314 is 30 or 31. Refer to System Type.

(2) Not applicable in 400 Hz nominal frequency system.

Peak Factor

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Description

0x045E

1119

R

100

INT16U

0–10000

H

V12 voltage peak factor(3)(4)

0x045F

1120

R

100

INT16U

0–10000

H

V23 voltage peak factor(3)(4)

0x0460

1121

R

100

INT16U

0–10000

H

V31 voltage peak factor(3)(4)

0x0461

1122

R

100

INT16U

0–10000

H

V1N voltage peak factor (1) (4)

0x0462

1123

R

100

INT16U

0–10000

H

V2N voltage peak factor (1) (4)

0x0463

1124

R

100

INT16U

0–10000

H

V3N voltage peak factor (1) (4)

0x0464

1125

R

100

INT16U

0–10000

H

Phase 1 current peak factor(4)

0x0465

1126

R

100

INT16U

0–10000

H

Phase 2 current peak factor(4)

0x0466

1127

R

100

INT16U

0–10000

H

Phase 3 current peak factor(4)

0x0467

1128

R

100

INT16U

0–10000

H

Neutral current peak factor(2)(4)

(1) Value is not available when the system type in register 3314 is 30 or 31. Refer to System Type.

(2) Value is not available when the system type in register 3314 is 31 or 40. Refer to System Type.

(3) Value is not available when the system type in register 3314 is 40 or 41. Refer to System Type.

(4) Not applicable in 400 Hz nominal frequency system.

Voltage-to-Voltage Phase Shift

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Description

0x046C

1133

R

10

Deg

INT16U

0–3600

H

  • Phase shift V12/V12 with system type 31

  • Phase shift V1N/V1N with system type 40 and 41

Always equal to 0.

0x046D

1134

R

10

Deg

INT16U

0–3600

H

  • Phase shift V23/V12 with system type 31

  • Phase shift V2N/V1N with system type 40 and 41

Under phase balanced conditions, equals 240 degrees.

0x046E

1135

R

10

Deg

INT16U

0–3600

H

  • Phase shift V31/V12 with system type 31

  • Phase shift V3N/V1N with system type 40 and 41

Under phase balanced conditions, equals 120 degrees.

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