RTU500 series

Multimeter 560CVD11Data sheet

Application

The Multimeter 560CVD11 is used for measuring analog AC in-put signals from three independent phases with addition inputfor neutral current and voltage. For each phase voltage and cur-rent are measured directly and a number of calculated valuesare generated by the module. In addition the module detects thefault current and the over current direction. The module supportsconfigurations with 3 or 4 voltage transformers.

There are several versions available:

Versions Type LO HI 1 A 5 A

560CVD11 R0021 4U4I x x

560CVD11 R0025 4U4I x x

560CVD11 R0041 4U4I x x

560CVD11 R0045 4U4I x x

Characteristics

The Multimeter is a microprocessor-based Intelligent Electron-ic Device (IED) intended for current, voltage, power and energymeasurement. In addition fault current detection and over cur-rent direction are available.

Current and voltage inputs are connected via transformer only(see Wiring). The module supports a configurations with 3 or 4voltage transformers and 3 or 4 current transformes.

Calculated values are scaled by user programmed constants forcurrent and voltage transformers. All values are updated after200 ms.

The fault current is measured up to 20 times nominal current.The current inputs withstand 50 times nominal current for 1 s.

The Multimeter is equipped with two binary output which are notsupported in RTU500 series configurations.

Wiring

Figure 1: 3 phase with 4 voltage and current transformers in 4 wire con-nection

Figure 2: 3 phase with 3 voltage and current transformers in 4 wire con-nection

2 | 1KGT 150 786 V002 1 1 - Multimeter 560CVD11

Meter Operation

The following measured or calculated values are available fromthe module.

Instantaneous Meter Values

Following values are measured by true RMS conversion

Measurement Measuring Path

Neutral voltage Phase 1-N, 2-N, 3-N

Voltage N, Voltage line unbalance

Phase voltage Phase 1-2, 2-3, 1-3

Current Phase 1, 2, 3, N, Unbalance

Fault current Phase 1, 2, 3, N

Active power (Watt) Phase 1, 2, 3, total

Reactive power (Var) Phase 1, 2, 3, total

Apparent power (VA) Phase 1, 2, 3, total

Power factor (PF) Phase 1, 2, 3, total

Phase angle Phase 1, 2, 3, total

Frequency System

Phase rotation Positive/ negative sequence

The Multimeter supports 4 quadrant power values.

Figure 3: Power measurement convention

Energy values

Integrated total (intermediate and end of period readings) are cal-culated for:

– active energy negative– active energy positive

– reactive energy capacitive– reactive energy inductive

Voltage / Current Distortion (THD)

The 560CVD11 provides a measure of the total harmonic distor-tion (THD), in each phase voltage and current waveform, as apercentage deviation from pure 50Hz or 60Hz sine waves. THDis calculated by Fast Fourier Transform algorithm (FFT).

– U1, U2, U3, UN

– I1, I2, I3, IN

Fault current detection

The devices are with three phases and one neutral for over cur-rent detection. The programming of the time current characteris-tics is identical in all application to require establishing the controlvariables: trip time delayed curve, curve multiplier, pickup currentand reset timing.

The curve reference follows ANSI, IEEE, IEC standards (ANSIC37.90, IEEE C37.112-1996, IEC 255-4, BF412).

Directional overcurrent

Detection

Directional overcurrent detection is for the protection of multiplesource feeders to distinguish between faults in different direc-tions. The device incorporates for three phase and neutral over-current detection with a secure 90° as quadrant coordination inphase directional polarization. Thus, a selected polarizing voltageshould have a function to keep reasonable constant, no matterwhat operating status in a non-faulted or faulted system.

Phase directional overcurrent

Phase directional detection, it requires operating current to de-termine whether current flow in each phase is in forward or re-verse direction, as determined by the connection of the phasesource, selected MTA angle, voltage and current phasors.

Multimeter 560CVD11 - 1KGT 150 786 V002 1 1 | 3

Figure 4: Phases directional overcurrent polarization

Neutral directional detection

The neutral directional detection features control as phase ele-ment to discriminate faults between forward or reverse. This de-tection is also to select operation current (Io) to polarizing voltage(Vo) for the directional control factors.

Figure 5: Neutral directional voltage polarization

4 | 1KGT 150 786 V002 1 1 - Multimeter 560CVD11

Technical data

In addition to the RTU500 series general technical data, the fol-lowing applies:

Input channels

Voltage

U1, U2, U3, UN

Measurement range: 10 ... 300 V AC

Load : <0.15 VA at 300 V

Current

I1, I2, I3, IN

Measurement range:

– R00x5: 5 A, max. 6 A

– R00x1: 1 A, max. 1.2 A

– Fault current inputs: 20 x IN

Load: <0.2 VA per phase

Overload withstand:

– 2 x IN continuous

– 25 x IN 2 sec

– 50 x IN 1 sec

Frequency 46 ... 64Hz

Samples 32 samples per cycle

Harmonics Up to 15th harmonic for 50/60 Hz

Data update interval 200 ms

Accuracy

Phase I 0.25 %

Neutral I 0.25 %

Phase I, fault current 3 %

Phase U 0.25%

Ph-Ph U 0.25%

Watt 0.5 %

VA 0.5 %

Var 0.5 %

PF 0.5 %

Frequency 0.5 % rd

AD converting 12 bit + sign bit

Stability

Stability ≤ 100 ppm/°C

(Temperature range: -10 to +50°C)

Power supply input

Power supply voltage R002x (LO) 24/48 V DC ±15%

Power supply voltage R004x (HI) 80… 260 V AC

80… 330 V DC

Power consumption 12 VA AC

5 W DC

Serial Ports

Modbus RTU protocol RS485

Distance: < 1.2 km

Diagnostic Port RS232

Baud Rate Always configure 19.2 kbps

Load Up to 32 units loads

Mechanical Layout

Dimensions 134.8 mm x 70.3 mm x 149.5 (Width

x Hight x Depth)

Housing type Platic housing

Mounting DIN rail mounting EN 50022 TS35: 35

mm x 15 mm or 35 mm x 7.5 mm

Weight

Insulation tests

Dielectric Strength IEC 60255-5 2 kV AC rms, 1 minute

Immunity test

ANSI / IEEE C37.90.1-1989 3 kV SWC

IEC 61000-4-12 Class III SWC

Fast Transient / Burst IEC 61000-4-4 Class IV SWC

Surge Immunity Test IEC 61000-4-5 Class IV Impulse

Environmental conditions

Nominal operating temperature range:

Start up:

Max. operating temperature, max.

96h:

EN 60068-2-1, -2-2, -2-14

-25 ... +70 °C

-40 °C

+85 °C

Relative humidity

EN 60068-2-30

5 ... 95 %

(non condensing)

Ordering information

560CVD11 R0021 1KGT030000R0021

560CVD11 R0025 1KGT030000R0025

560CVD11 R0041 1KGT030000R0041

560CVD11 R0045 1KGT030000R0045

Additional material

Configuration kit for 560CVDxxx (Tool

CD, cable)

560KCA01 R0001

1KGT030800R0001

Multimeter 560CVD11 - 1KGT 150 786 V002 1 1 | 5

ABB AGPower Systems DivisionP.O. Box 10 03 5168128 Mannheim, Germany

www.abb.com/substationautomation

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