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TD3650 Three-phase Energy Meters Verification Device

TD3650 is applied for the verification of new three-phase energy meters. TD3650 supports simultaneous verification of 3 to 16 three-phase energy meters (Three-phase electrical meters, Three-phase smart electricity meters, Three-phase smart IoT electricity meters, etc.) with the same voltage/current range, different meter constant.

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  • TD3650

  • TUNKIA


TD3650 Three-phase Energy Meters Verification Device


TD3650 Multifunction Testing Apparatus for Three-Phase Energy Meters

1. Summary

TD3650 is applied for the verification of new three-phase energy meters. TD3650 supports simultaneous verification of 3 to 16 three-phase energy meters (Three-phase electrical meters, Three-phase smart electricity meters, Three-phase smart IoT electricity meters, etc.) with the same voltage/current range, different meter constant.


2. Features

2.1 Basic Features

• Maximum output capacity: 576 V / 120 A.

• Fundamental frequency: 45 Hz ~ 100 Hz.

• Accuracy: class 0.02 or 0.05.

• Minimum current output: As low as 0.2 mA.

• Auto range: Automatic range switching and load matching.

• Energy measurement: Positive / negative active and reactive energy.

• Harmonic output: The 2nd ~ 63st @ 50 / 60 Hz, Harmonic content / phase are programmable.

• High-order harmonic test: Built in high-order harmonic test schemes. So it automatically superposes the 15fnom to 40fnom sweep signals to the voltage and current loops and reads the data of each harmonic to measure the error offset caused by the high-order harmonic.

• Complex waveform test: Built in square-wave, peaked wave, even harmonics, odd harmonics and other schemes. It also allows users to customize other complex waveforms for influence quantity test.

• DC and even harmonics test: Equipped with TD3410 half wave rectifier box.

• Daily reckoning error test: Built in standard clock tester.

• Automatic patrol inspection: Support automatic patrol inspection.

• Connection: Equipped with special pressure gauge holder.

• Communication: DUT through RS-485 port.

• Energy pulse: Electric and optical pulse sampling ports.

• Multi-position verification platform: Optional 3,6,12,16 positions.

• Mobile control unit: LCD touch screen for value output.

• Professional verification software: Support semi-automatic or fully automatic verification of the DUT, data management and certificate export. The software has the function of single point multiple tests, the test interval can be set, and the error curve can be drawn automatically.


2.2 Optional Features

• Offering compatibility with both single/three-phase: The Potential Transformer Offer compatibility with both single/three-phase (The single-phase energy meters need Manual wiring). Up to 12 test positions.

• Current Transformer: The Current Transformer add the capability to test energy meter without keeping its voltage terminal separate from its current terminal. Up to 12 test positions.

• Auxiliary supply: AC/DC: 100V~240V; It can support the power consumption test of auxiliary power supply circuit and auxiliary power supply voltage change test.

• Power consumption test of voltage circuit: Only one test position is supported.

• Power consumption test of current circuit: Multiple-positions are supported.

• Burden current fast change test: The user can set the duration of ton and toff, as well as the total time for a single test. The current switches at zero crossing and switches off and on within one nominal frequency period. The repetition time of single test was more than 4 hours.

• AC voltage dip and short interruption test: AC Voltage dips and interruptions test supporting voltage circuit power supply.

• Smart electricity meter function test: Cost control function test, Freezing test, Key update test, Parameter update test, The remote control test, Safety certification test, Events recording test, Communication protocol consistency check, etc.

• Fault earthing test: Support fault earthing test. In the case of fault earthing and 10% overvoltage, the electricity meter connected to the isolated distribution network with fault earthing suppressor or star contact by three-phase four-wire connection is examined.

• Standard meter: Class 0.05/0.02 of conventional or harmonic standard electricity meter.

• Harmonic energy: Support harmonic power/measurement accuracy test.


3. Verification Items

NO.

Verification Items

Completion

(√standard)

Remarks

1

Appearance, signs, power check

Observation


2

Accuracy Test

Initial inherent error test


3

Starting current test


4

Test of no-load


5

Meter constant test


6

Electric energy display value combination error


7

Demand indicating value error


8

A clock test powered by a power supply


9

Impact of the standby power supply on the clock


10

Error consistency test


11

Variation requirement test


12

The load current rises and falls worse test


13

Repeat test


14

EMC

Voltage dips and interruptions

Optional-Fast change test of load current


15

Resistance to Other Influences

Harmonic in voltage-current circuits –the 5st harmonic test


16

Harmonic in voltage-current circuits - square-wave test


17

Harmonic in voltage-current circuits - peaked wave test


18

Interharmonic in the current circuits - the pulse train triggers the waveform


19

Odd harmonic in voltage-current circuits –waveform test triggered by 90 degree phase


20

Impact Test of DC and Even Harmonics –waveform of half wave rectification


21

Load unbalance test


22

Voltage change test


23

One or two-phase voltage interruption


24

Frequency change test


25

Reverse phase sequence test


26

Auxiliary power supply voltage change test

Auxiliary power supply (optional)


27

Burden current fast change test

Burden current fast change test (optional)


28

Self-heating test


29

High-order harmonic test


30

Fault earthing test(Only for three-phase four-wire transformer type energy meter)

Fault earthing test (optional)

Only for class 0.05 TD3650

31

Electrical Performance Test

Power consumption test of voltage circuits

optional


32

Power consumption test of current circuits

optional


33

Power consumption test of auxiliary power supply circuit

optional


34

IOT Electricity Meter

Harmonic power accuracy test

harmonic power(optional)



35

Harmonic measurement accuracy test





4. Specifications

4.1 AC Voltage Output

Range

Resolution

Short-term Stability

( % / min )

Accuracy

± (ppm of reading + ppm of range) [1]

Distortion Factor

( % )

Class 0.05

Class 0.02

Class 0.05

Class 0.02

60 V

0.1 mV

0.01

0.005

200 + 50

60 + 40

< 0.3

120 V

1 mV

0.01

0.005

200 + 50

60 + 40

< 0.3

240 V

1 mV

0.01

0.005

200 + 50

60 + 40

< 0.3

480 V

1 mV

0.01

0.005

200 + 50

60 + 40

< 0.3

Note [1] : (ppm = parts per million) (e.g., 10ppm = 0.001%).

• Output range: 0 V~264 V, 6-digits display, load capacity: 15VA/ (phase·position)

• Symmetry: Voltage ≤ 0.2%, Phase ≤ 0.5°

• Protective function: Short-circuit protection, Overload protection


4.2 AC Current Output

Range

Resolution

Short-term Stability

( % / min )

Accuracy

± (ppm of reading + ppm of range)

Distortion Factor

( % )

Class 0.05

Class 0.02

Class 0.05

Class 0.02

5 mA

10 nA

0.03

0.02

400 + 300

240 + 160

< 1

10 mA

0.1 μA

0.02

0.01

300 + 200

120 + 80

< 0.5

20 mA

0.1 μA

0.02

0.01

300 + 200

120 + 80

< 0.5

50 mA

0.1 μA

0.02

0.01

200 + 50

60 + 40

< 0.5

100 mA

1 μA

0.01

0.005

200 + 50

60 + 40

< 0.5

200 mA

1 μA

0.01

0.005

200 + 50

60 + 40

< 0.5

500 mA

1 μA

0.01

0.005

200 + 50

60 + 40

< 0.5

1 A

10 μA

0.01

0.005

200 + 50

60 + 40

< 0.5

2 A

10 μA

0.01

0.005

200 + 50

60 + 40

< 0.5

5 A

10 μA

0.01

0.005

200 + 50

60 + 40

< 0.5

10 A

100 μA

0.01

0.005

200 + 50

60 + 40

< 0.5

20 A

100 μA

0.01

0.005

200 + 50

60 + 40

< 0.5

50 A

100 μA

0.01

0.005

200 + 50

60 + 40

< 0.5

100 A

1 mA

0.01

0.005

200 + 50

60 + 40

< 0.5

• Output range: 1 mA~120 A, 6-digits display, load capacity: 30VA/ (phase position)

• Symmetry: Current≤ 0.5%, Phase ≤ 0.5°

• Protective function: Open-circuit protection, Overload protection


4.3 Frequency / Phase

Measurement Type

Class 0.05

Class 0.02

Frequency

Measuring Range

45 Hz~100 Hz

45 Hz~100 Hz

Minimum Resolution

0.000 01 Hz

0.000 01 Hz

Accuracy

± 0.005%*RD

± 0.005%*RD

Phase

(I ≥ 50mA)

Measuring Range

0~360°

0~360°

Minimum Resolution

0.000 1°

0.000 1°

Accuracy

± 0.012°

± 0.006°


4.4 Power / Energy

Voltage Range

Current Range

Power Factor

Measurement Uncertainty (k=2)

Class 0.05

Class 0.02

30 V ≤ U ≤ 480 V


50 mA ≤ I ≤120 A

0.5L~1~0.5C

0.05%*RD

0.02%*RD

10 mA ≤ I < 50 mA

1

0.05%*RD

0.02%*RD

0.04%*RD

0.5L~1~0.5C

0.08%*RD

3 mA ≤ I < 10 mA

1

0.08%*RD

0.04%*RD

0.5L~1~0.5C

0.15%*RD

0.08%*RD

0.2 mA ≤ I < 3 mA

1

0.08%*RD×3mA/I

0.04%*RD×3mA/I

• Stability of output power: 0.02% / 2min (Class 0.05),0.05% / 2min (Class 0.1);

• Measuring range of power/energy: Combination of AC voltage and AC current range ;

• Measuring range of power factor: -1.000 00…0.000 00…1.000 00;

• Standard electric energy pulse output: High frequency pulse output port outputs 60KHz at full range, low frequency pulse output port outputs 6Hz at full range;

• Standard electric energy pulse input: frequency ≤ 200 kHz,voltage:0…3.3 V…24 V;

• Electric energy error display: Auto, resolution is 0.0001%.


4.5 Clock

• Daily reckoning error bounds: ± 0.05 s/d


5. General Specifications

Power Supply

AC ( 220 ± 22 ) V, ( 50 ± 2 ) Hz

Warm Up Time

30 min

Temperature

Performance

Storage temperature: 5°C~45°C

Operating temperature: -10°C~55°C

Humidity Performance

Operating humidity: < 80% @ 30°C, < 70% @ 40°C, < 40% @ 50°C

Storage humidity: (20%~80%) R·H, non-condensing

Elevation

< 3000 m

Communication Interface

RS232, RS485, LAN

Dimensions of Test Bench

(L*W *table H / total H, mm)

Position number

3 test positions

6 test positions

12 test positions

16 test positions

Manual wiring

1350*800*750/1140

1950*800*750/1140

——

——

Crimping wiring

1350*750*750/1395

1850*750*750/1395

1830*750*610/1765

2350*750*610/1765

Dimensions of Computer Desk

(L*W*H, mm)

No Standard meter

1000*800*750

Standard meter

1500*800*750


6. Ordering Information

Other Options

Tick

Optional Function

Description


Manual Wiring

The default option is Crimping wiring (with meter rack), Manual wiring is optional.


Offering Compatibility with both Single-phase and Three-phase

Up to 12 test positions


Current Transformer

Up to 12 test positions


Auxiliary Supply

AC/DC: 100V~240V, Up to 3 test positions


Power Consumption Test of Voltage Circuit

Up to 1 test position (proposal)


Power Consumption Test of Current Circuit:

Up to 3 test positions (proposal)


Burden Current Fast Change Test

Once selected, all test positions are supported;

AC voltage dip and short interruption test.


Fault Earthing Test



Standard Meter

TD3300 Standard meter(Class 0.05 / 0.02)


Harmonic Energy

TD3300-R Standard meter(Class 0.05 / 0.02)




TUNKIA TD3650 Three-phase Energy Meters Verification Device  TUNKIA TD3650 Three-phase Energy Meters Verification Device


TUNKIA TD3650 Three-phase Energy Meters Verification Device  TUNKIA TD3650 Three-phase Energy Meters Verification Device

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