DOCA0102EN-12

Measurement Characteristics

Presentation

The following tables indicate the measurements available and specify the following information for each measurement:

  • Unit

  • Measurement range

  • Accuracy

  • Accuracy range

Current

Measurement

Unit

Range

Accuracy

Accuracy range

  • Real-time phase current values I1, I2, I3

  • Maximum phase current values I1 MAX, I2 MAX, I3 MAX

  • Real-time maximum of RMS current of phases I1, I2, I3, IN

  • Maximum of maximum phase current values

  • Minimum phase current values I1 MIN, I2 MIN, I3 MIN

  • Minimum of minimum phase current values

A

0(1)–20 In

+/-0.5%

MTZ1: 40–(1,600 x 1.2)

MTZ2: 40–(4,000 x 1.2)

MTZ3: 80–(6,300 x 1.2)

  • Real-time neutral current value IN(2)

  • Maximum neutral current value IN MAX(2)

  • Minimum neutral current value IN MIN(2)

A

0(1)–20 In

+/-1%

MTZ1: 40–(1,600 x 1.2)

MTZ2: 40–(4,000 x 1.2)

MTZ3: 80–(6,300 x 1.2)

  • Real-time average current value Iavg

  • Maximum average current value Iavg MAX

  • Minimum average current value Iavg MIN

A

0(1)–20 In

+/-0.5%

MTZ1: 40–(1,600 x 1.2)

MTZ2: 40–(4,000 x 1.2)

MTZ3: 80–(6,300 x 1.2)

  • Real-time ground-fault current value

  • Maximum value of the ground-fault current

  • Minimum value of the ground-fault current

A

0–20 In

5%

MTZ1: 40–(1,600 x 1.2)

MTZ2: 40–(4,000 x 1.2)

MTZ3: 80–(6,300 x 1.2)

  • Real-time earth-leakage current value(3)

  • Maximum value of the earth-leakage current(3)

A

0–30 A

10%

0.1–30 A

(1) Below the lowest measurable current (4 A for MTZ1, 10 A for MTZ2/3), the value is 0 A.

(2) Applies to 4-pole circuit breakers or 3-pole circuit breakers with ENCT wired and configured.

(3) Applies to MicroLogic 7.0 X control unit.

Current Unbalance

Measurement

Unit

Range

Accuracy

Accuracy range

  • Real-time phase current unbalance values I1 unbal, I2 unbal, I3 unbal

  • Maximum values of the 3 phase current unbalances l1 unbal MAX, I2 unbal MAX, I3 unbal MAX

  • Real-time maximum of 3 phase current unbalances

  • Maximum of maximum of 3 phase current unbalances

%

0–100%

+/-5

0–100%

NOTE: The accuracy range is for the current range: 0.2–1.2 In.

Voltage

Measurement

Unit

Range

Accuracy

Accuracy range

  • Real-time phase-to-phase voltage values V12, V23, V31

  • Maximum values of phase-to-phase voltages V12 MAX, V23 MAX, V31 MAX

  • Minimum values of phase-to-phase voltages V12 MIN, V23 MIN, V31 MIN

V

0(1)–1,150 V

+/-0.5%

208–690 x 1.2 V

  • Real-time phase-to-neutral voltages V1N, V2N, V3N(2)

  • Maximum values of phase-to-neutral voltages V1N MAX, V2N MAX, V3N MAX(2)

  • Minimum values of phase-to-neutral voltages V1N MIN, V2N MIN, V3N MIN(2)

V

0(1)–660 V

+/-0.5%

120–400 x 1.2 V

  • Real-time average phase-to-phase voltage Vavg LL

  • Maximum average phase-to-phase voltage Vavg LL MAX

  • Minimum average phase-to-phase voltage Vavg LL MIN

V

0(1)–1,150 V

+/-0.5%

208–690 x 1.2 V

  • Real-time average phase-to-neutral voltage Vavg LN(2)

  • Maximum average phase-to-neutral voltage Vavg LN MAX(2)

  • Minimum average phase-to-neutral voltage Vavg LN MIN(2)

V

0(1)–600 V

+/-0.5%

120–400 x 1.2 V

(1) Below the lowest measurable voltage (10 V) the value is 0 V.

(2) Applies to 4-pole circuit breakers or 3-pole circuit breakers with ENVT wired and configured.

Voltage Unbalance

Measurement

Unit

Range

Accuracy

Accuracy range

  • Real-time phase-to-phase voltage unbalances V12unbal, V23unbal, V31unbal

  • Maximum values of the 3 phase-to-phase voltage unbalances V12unbal MAX, V23unbal MAX, V31unbal MAX

  • Real-time maximum of 3 phase-to-phase voltage unbalances

  • Maximum of maximum of 3 phase-to-phase voltage unbalances

%

0–100%

+/-0.5

0–10%

  • Real-time phase-to-neutral voltage unbalances V1Nunbal, V2Nunbal, V3Nunbal(1)

  • Maximum values of the 3 phase-to-neutral voltage unbalances V1Nunbal MAX, V2Nunbal MAX, V3Nunbal MAX(1)

  • Real-time maximum of 3 phase-to-neutral voltage unbalances(1)

  • Maximum of maximum of 3 phase-to-neutral voltage unbalances(1)

%

0–100%

+/-0.5

0–10%

(1) Applies to 4-pole circuit breakers or 3-pole circuit breakers with ENVT wired and configured.

NOTE: The accuracy range is for the voltage range: 208–690 x 1.2 Vac.

Power

Measurement

Unit

Range

Accuracy

Accuracy range

  • Real-time active power for each phase P1, P2, P3(1)

  • Maximum values of active power for each phase P1 MAX, P2 MAX, P3 MAX(1)

  • Minimum values of active power for each phase P1 MIN, P2 MIN, P3 MIN(1)

kW

-16,000– +16,000 kW

+/-1%

See NOTE below

  • Real-time total active power Ptot

  • Maximum value of total active power Ptot MAX

  • Minimum value of total active power Ptot MIN

kW

-16,000– +16,000 kW

+/-1%

See NOTE below

  • Real-time reactive power for each phase Q1, Q2, Q3(1)

  • Maximum values of reactive power for each phase Q1 MAX, Q2 MAX, Q3 MAX(1)

  • Minimum values of reactive power for each phase Q1 MIN, Q2 MIN, Q3 MIN(1)

kVAR

-16,000– +16,000 kW

+/-2%

See NOTE below

  • Real-time total reactive power Qtot

  • Maximum value of total reactive power Qtot MAX

  • Minimum value of total reactive power Qtot MIN

kVAR

-16,000– +16,000 kW

+/-1%

See NOTE below

  • Real-time apparent power for each phase S1, S2, S3(1)

  • Maximum values of apparent powers for each phase S1 MAX, S2 MAX, S3 MAX(1)

  • Minimum values of apparent powers for each phase S1 MIN, S2 MIN, S3 MIN(1)

kVA

-16,000– +16,000 kW

+/-1%

See NOTE below

  • Real-time total apparent power Stot

  • Maximum value of total apparent power Stot MAX

  • Minimum value of total apparent power Stot MIN

kVA

-16,000– +16,000 kW

+/-1%

See NOTE below

(1) Applies to 4-pole circuit breakers or 3-pole circuit breakers with ENVT wired and configured.

NOTE: The accuracy for the power measurement range according to IEC 61557-12 is defined by current range, voltage, and power factor values.

Operating Indicators

Measurement

Unit

Range

Accuracy

Accuracy range

Operating quadrant

1,2, 3, 4

Phase rotation

123 or 132

Type of load

leading or lagging

Power Factor PF and cos φ

Measurement

Unit

Range

Accuracy

Accuracy range

  • Real-time total power factor PF

  • Maximum value of the total power factor PF MAX

  • Minimum value of the total power factor PF MIN

-1.00–+1.00

+/-0.02

0.5 ind - 0.8 cap

  • Real-time power factors for each phase PF1, PF2, PF3(1)

  • Maximum power factor for each phase PF1 MAX, PF2 MAX, PF3 MAX(1)

  • Minimum power factor for each phase PF1 MIN, PF2 MIN, PF3 MIN(1)

-1.00–+1.00

+/-0.02

0.5 ind - 0.8 cap

  • Real-time total cos φ

  • Maximum cos φ MAX

  • Minimum cos φ MIN

-1.00–+1.00

+/-0.02

0.5 ind - 0.8 cap

  • Real-time cos φ for each phase cos φ 1, cos φ 2, cos φ 3(1)

  • Maximum cos φ for each phase cos φ 1 MAX, cos φ 2 MAX, cos φ 3 MAX(1)

  • Minimum cos φ for each phase cos φ 1 MIN, cos φ 2 MIN, cos φ 3 MIN(1)

-1.00–+1.00

+/-0.02

0.5 ind - 0.8 cap

(1) Applies to 4-pole circuit breakers or 3-pole circuit breakers with ENVT wired and configured.

NOTE: The accuracy for the power factor measurement range according to IEC 61557-12 is defined by current range and voltage values.

Total Harmonic Distortion Compared to the Fundamental (THD) of Currents and Voltages

Total harmonic distortions are calculated with harmonics up to rank 15.

Measurement

Unit

Range

Accuracy

Accuracy range

  • Real-time total harmonic distortion (THD) of current for each phase THD(I1), THD(I2), THD(I3)

%

0–1,000%

+/-1.5

0–100%

when I > 80 A

  • Real-time total harmonic distortion (THD) of neutral current THD(IN)(1)

  • Maximum value of total harmonic distortion (THD) of neutral current THD(IN) MAX(1)

  • Minimum value of total harmonic distortion (THD) of neutral current THD(IN) MIN(1)

%

0–1,000%

+/-1.5 x THD/100

100–200%

  • Real-time total harmonic distortion (THD) of phase-to-phase voltage THD(V12), THD(V23), THD(V31)

%

0–1,000%

+/-0.6

0–20%

when V > 208 V

  • Real-time total harmonic distortion (THD) of phase-to-neutral voltage THD(V1N), THD(V2N), THD(V3N)(1)

%

0–1,000%

+/-0.6

0–20%

when V > 120 V

  • Real-time average total harmonic distortion (THD) of the 3 phase currents

  • Maximum value of the average total harmonic distortion (THD) of the 3 phase currents

  • Minimum value of the average total harmonic distortion (THD) of the 3 phase currents

%

0–1,000%

+/-1.5

0–100%

when I > 80 A

  • Real-time average total harmonic distortion (THD) of the 3 phase-to-phase voltages

  • Maximum value of the average total harmonic distortion (THD) of the 3 phase-to-phase voltages

  • Minimum value of the average total harmonic distortion (THD) of the 3 phase-to-phase voltages

%

0–1,000%

+/-0.6

0–20%

when V > 208 V

  • Real-time average total harmonic distortion (THD) of the 3 phase-to-neutral voltages(1)

  • Maximum value of the average total harmonic distortion (THD) of the 3 phase-to-neutral voltages(1)

  • Minimum value of the average total harmonic distortion (THD) of the 3 phase-to-neutral voltages(1)

%

0–1,000%

+/-0.6

0–20%

when V > 120 V

(1) Applies to 4-pole circuit breakers or 3-pole circuit breakers with ENVT wired and configured.

Total Harmonic Distortion Compared to the RMS Value (THD-R) of Currents and Voltages

Measurement

Unit

Range

Accuracy

Accuracy range

  • Real-time total harmonic distortion (THD-R) of current for each phase THD-R(I1), THD-R(I2), THD-R(I3)

  • Real-time total harmonic distortion (THD-R) of neutral current THD-R(IN)(1)

  • Maximum value of total harmonic distortion (THD-R) of neutral current THD-R(IN) MAX(1)

  • Minimum value of total harmonic distortion (THD-R) of neutral current THD-R(IN) MIN(1)

%

0–100%

+/-1.5 x THD/100

0–100%

  • Real-time total harmonic distortion (THD-R) of the phase-to-phase voltage THD-R(V12), THD-R(V23), THD-R(V31)

%

0–100%

+/-0.6

0–20%

when V > 208 V

  • Real-time total harmonic distortion (THD-R) of the phase-to-neutral voltage THD-R(V1N), THD-R(V2N), THD-R(V3N)(1)

%

0–100%

+/-0.6

0–20%

when V > 120 V

  • Real-time average total harmonic distortion (THD-R) of the 3 phase currents

  • Maximum value of the average total harmonic distortion (THD-R) of the 3 phase currents

  • Minimum value of the average total harmonic distortion (THD-R) of the 3 phase currents

%

0–100%

+/-1.5 x THD/100

0–100%

  • Real-time average total harmonic distortion (THD-R) of the 3 phase-to-phase voltages

  • Maximum value of the average total harmonic distortion (THD-R) of the 3 phase-to-phase voltages

  • Minimum value of the average total harmonic distortion (THD-R) of the 3 phase-to-phase voltages

%

0–100%

+/-0.6

0–20%

when V > 208 V

  • Real-time average total harmonic distortion (THD-R) of the 3 phase-to-neutral voltages(1)

  • Maximum value of the average total harmonic distortion (THD-R) of the 3 phase-to-neutral voltages(1)

  • Minimum value of the average total harmonic distortion (THD-R) of the 3 phase-to-neutral voltages(1)

%

0–100%

+/-0.6

0–20%

when V > 120 V

(1) Applies to 4-pole circuit breakers or 3-pole circuit breakers with ENVT wired and configured.

Frequency

Measurement

Unit

Range

Accuracy

Accuracy range

  • Frequency

  • Maximum frequency

  • Minimum frequency

Hz

40–70 Hz

+/-0.2%

45–65 Hz

Current Demand and Peak Values

Measurement

Unit

Range

Accuracy

Accuracy range

  • Phase (I1, I2, I3, Iavg) current demand values

  • Phase (I1, I2, I3, Iavg) peak current demand values

A

0–20 In

+/-1%

0.2–1.2 In

  • Neutral (IN) current demand value(1)

  • Neutral (IN) peak current demand value(1)

A

0–20 In

+/-1%

0.2–1.2 In

(1) Applies to 4-pole circuit breakers or 3-pole circuit breakers with ENCT wired and configured.

Power Demand and Peak Values

Measurement

Unit

Range

Accuracy

Accuracy range

  • Demand value (P dmd) of the total active power (Ptot)

  • Peak demand value (P dmd max) of the total active power (Ptot)

kW

-16,000– +16,000 kW

+/-1%

-10,000 to -2 kW,

2 to 10,000 kW

  • Demand value (Q dmd) of the total reactive power (Qtot)

  • Peak demand value (Q dmd max) of the total reactive power (Qtot)

kVAR

-16,000–

+16,000 kVAR

+/-1%

-10,000 to -2 kVAR,

2 to 10,000 kVAR

  • Demand value (S dmd) of the total apparent power (Stot)

  • Peak demand value (S dmd max) of the total apparent power (Stot)

kVA

0–16,000 kVA

+/-1%

2–10,000 kVA

NOTE: The accuracy is for:
  • current range: 0.1–1.2 In

  • voltage range: 165–830 Vac

  • cos φ range: -1 to -0.5 and 0.5 to 1

Resettable Energy Meters

Measurement

Unit

Range

Accuracy

Accuracy range

Total active energy value Ep

kWh

-10,000,000 to +10,000,000 kWh

+/-1%

See NOTE below

Total active energy values Epdelivered and Epreceived

kWh

-10,000,000 to +10,000,000 kWh

+/-1%

See NOTE below

Total reactive energy value Eq

kVARh

-10,000,000 to +10,000,000 kVARh

+/-2%

See NOTE below

Total reactive energy values Eqdelivered and Eqreceived

kVARh

-10,000,000 to +10,000,000 kVARh

+/-2%

See NOTE below

Apparent energy Es

kVAh

-10,000,000 to +10,000,000 kVAh

+/-1%

See NOTE below

NOTE: The accuracy for the energy measurement range according to IEC 61557-12 is defined by current range, voltage, and power factor values.

Non-Resettable Energy Meters

Measurement

Unit

Range

Accuracy

Accuracy range

Total active energy value Ep

kWh

-10,000,000 to +10,000,000 kWh

+/-1%

See NOTE below

Total active energy values Epdelivered and Epreceived

kWh

-10,000,000 to +10,000,000 kWh

+/-1%

See NOTE below

Total reactive energy value Eq

kVARh

-10,000,000 to +10,000,000 kVARh

+/-2%

See NOTE below

Total reactive energy values Eqdelivered and Eqreceived

kVARh

-10,000,000 to +10,000,000 kVARh

+/-2%

See NOTE below

Apparent energy Es

kVAh

-10,000,000 to +10,000,000 kVAh

+/-1%

See NOTE below

NOTE: The accuracy for the energy measurement range according to IEC 61557-12 is defined by current range, voltage, and power factor values.
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