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TD3750 AC Power Detection Device for Electromagnetic Compatibility Testing

TD3750 is a device used to test the electromagnetic compatibility (EMC) of single-phase or three-phase AC energy meters, mainly composed of a three-phase standard power source, a filter module, system software, etc. The device has a measurement uncertainty of class 0.05 and can be used in conjunction with relevant EMC influence quantity generation devices to complete relevant energy meter EMC tests.
  • TD3750

  • TUNKIA

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TD3750 AC Power Detection Device for Electromagnetic Compatibility Testing


TUNKIA TD3750 AC Power Detection Device for Electromagnetic Compatibility Testing

* For reference only. Configuration and details may vary depending on the application scenario.。

1. Summary

TD3750 is a device used to test the electromagnetic compatibility (EMC) of single-phase or three-phase AC energy meters, mainly composed of a three-phase standard power source, a filter module, system software, etc. The device has a measurement uncertainty of class 0.05 and can be used in conjunction with relevant EMC influence quantity generation devices to complete relevant energy meter EMC tests.


2. Features

• High reliability: Maximum output 456 V / 60 A.

• Single-phase and three-phase compatibility: Supports single-phase meter test for single meter position, and supports three-phase meter test for three meter positions.

• Filter network: The device has voltage signal, current signal, and pulse signal filter networks, which can effectively filter interference signals in Class A acceptance tests and conduct real-time tests on the metering performance of the meter under test.

• Supports multiple energy metering methods such as forward and reverse active energy, four-quadrant reactive energy, etc.

• The software has comprehensive data management functions, convenient data retrieval, and automatic backup functions.

• The software can output statistical reports such as verification certificates and test reports; supports document saving and printing in multiple formats.


3. Test Items

For Class A acceptance tests, the metering performance of the DUT can be verified in the EMC impact test. The detailed test items are as follows:

• Electrical fast transient pulse group

• Damped oscillating wave

• RF electromagnetic field radiation (with current)

• RF field induced conducted interference

• Differential mode current interference test (only supports single meter position test)

For Class B acceptance test, the metering performance of the DUT can be verified after the EMC influence is removed. The detailed items are as follows:

• Electrostatic discharge

• Radiated RF electromagnetic field

• Surge

• Radiated RF electromagnetic field (no current)

4. Specification

4.1 Three-phase Voltage Output

Range

Resolution

Short-term Stability

( % / min )

Measurement Uncertainty (k=2)

( ppm*RD+ppm*RG) [1]

Distortion

( % )

60 V

0.1 mV

0.01

200 + 50

< 0.3

120 V

1 mV

0.01

200 + 50

< 0.3

240 V

1 mV

0.01

200 + 50

< 0.3

380 V

1 mV

0.01

200 + 50

< 0.3

Note [1]: RD is the reading value, RG is the range value, the same below

• Output range: 6 V ~ 456 V, 6-digit display, load capacity: 15 VA / (phase meter position)

• Symmetry: voltage ≤ 0.2%, phase ≤ 0.5°

• Protection function: short circuit protection, overload protection


4.2 Three-phase Current Output

Range

Resolution

Short-term Stability

( % / min )

Measurement Uncertainty (k=2)

( ppm*RD+ppm*RG)

Distortion

( % )

100 mA

1μA

0.01

200 + 50

< 0.5

200 mA

1μA

0.01

200 + 50

< 0.5

500 mA

1μA

0.01

200 + 50

< 0.5

1 A

10μA

0.01

200 + 50

< 0.5

2 A

10μA

0.01

200 + 50

< 0.5

5 A

10μA

0.01

200 + 50

< 0.5

10 A

100μA

0.01

200 + 50

< 0.5

20 A

100μA

0.01

200 + 50

< 0.5

50 A

100μA

0.01

200 + 50

< 0.5

• Output range: 10 mA ~ 60 A, 6-digit display, load capacity: 30 VA / (phase meter position)

• Symmetry: current ≤ 0.5%, phase ≤ 0.5°

• Protection function: open circuit protection, overload protection


4.3 Frequency/Phase

Frequency

Measuring range

45 Hz ~ 65 Hz

Minimum resolution

0.000 01 Hz

Measurement uncertainty (k=2)

0.005%*RD

Phase

(I ≥ 50mA)

Measuring range

0 ~ 360°

Minimum resolution

0.000 1°

Measurement uncertainty (k=2)

0.012°


4.4 Power/Energy

Voltage Range

Current Range

Power Factor

Measurement Uncertainty(k=2)

30 V ≤ U ≤ 480 V

50 mA ≤ I ≤ 60 A

0.5L~1~0.5C

0.05%*RD

10 mA ≤ I < 50 mA

1

0.05%*RD

0.5L~1~0.5C

0.08%*RD

5 mA ≤ I < 10 mA

1

0.08%*RD

0.5L~1~0.5C

0.15%*RD

• Output power stability: 0.02% / 2min;

• Power/energy measurement range: combination of AC voltage range and AC current range;

• Power factor measurement range: -1.000 00…0.000 00…1.000 00;

• Standard electric energy pulse output: high frequency full range value corresponds to 60 kHz, low frequency full range value corresponds to 6 Hz;

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

• Energy error display: automatic, with a resolution of 0.0001%.


5. General Specification

Power Supply

Single-phase AC ( 220 ± 22 ) V, ( 50 ±2 ) Hz

Power Consumption

About 1500 VA

Warm-up Time

30-min

Temperature Performance

Working temperature: 5°C~45°C;

Storage temperature: -10°C~55°C

Humidity Performance

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

Storage humidity: (20%~80%) R H, no condensation

Altitude

< 3000 m

Communication Interface

RS232

Dimensions

550 mm(W) x 700 mm(D) x 1472 mm(H)

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