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Three-Phase Transformer Turns Ratio Testers

Three-Phase Transformer Turns Ratio Testers

 

TURNS RATIO TESTERS TRT03 SERIES
TURNS RATIO TESTERS TRT30 SERIES
TURNS RATIO TESTERS TRT33 SERIES
TURNS RATIO TESTERS TRT40 SERIES
TURNS RATIO TESTERS TRT43 SERIES
TURNS RATIO TESTERS TRT63 SERIES
TRT03A TRT30A TRT33A TRT40A TRT43A TRT63A
TRT03B TRT30B TRT33B     TRT63B
TRT03C TRT30C TRT33C     TRT63C
 

Turns Ratio Testers TRT03 series

The TRT03 series are the first TRT series released by DV Power. These devices can output single-phase test voltage.

  TRT03A TRT03B TRT03C
  Test Voltages (8,40,100) V AC (10,40,100) V AC (8,40,80) V AC
  Ratio Range 0,8 to 15 000
(5-digit Resolution)
0,8 to 15 000
(5-digit Resolution)
0,8 to 15 000
(5-digit Resolution)
  Best Ratio Accuracy 0,05 % 0,05 % 0,05 %
  Excit. Current Range 0 – 2 A 0 – 2 A 0 – 2 A
  Excit Curr. Accuracy ±(0,25% + 500 µA) ±(0,25% + 500 µA) ±(0,25% + 500 µA)
  Best Excit. Curr. Resalution 0,1 µA 0,1 µA 0,1 µA
  Phase Angle Range 360 Degrees 360 Degrees 360 Degrees
  Phase Angle Accuracy ±0,05 Degrees ±0,05 Degrees ±0,05 Degrees
  Phase Angle Resalution 0,01 Degree 0,01 Degree 0,01 Degree
  USB Flash Ddrive Feture yes yes yes
  Built-In Tc Control yes yes yes
  Built-In Thermal Printer OPTIONAL OPTIONAL OPTIONAL

Turns Ratio Testers TRT30 series

The TRT30 series can output both true three-phase and single-phase test voltage.

  TRT30A TRT30B TRT30C
  Test Voltages (8,40,100) V AC
3x(8,40,100)√3 V AC
(10,40,100) V AC
3x(10,40,100)√3 V AC
(8,40,80) V AC
3x(8,40,80)√3 V AC
  Ratio Range 0,8 to 15 000
(5-digit Resolution)
0,8 to 15 000
(5-digit Resolution)
0,8 to 15 000
(5-digit Resolution)
  Best Ratio Accuracy 0,05 % 0,05 % 0,05 %
  Excit. Current Range 0 – 2 A 0 – 2 A 0 – 2 A
  EXCIT. CURR. ACCURACY ±(0,25% + 500 µA) ±(0,25% + 500 µA) ±(0,25% + 500 µA)
  Best Excit. Curr. Resolution 0,1 µA 0,1 µA 0,1 µA
  Phase Angle Range 360 Degrees 360 Degrees 360 Degrees
  Phase Angle Accuracy ±0,05 Degrees ±0,05 Degrees ±0,05 Degrees
  Phase Angle Resolution 0,01 Degree 0,01 Degree 0,01 Degree
  USB Flash Drive Feature yes yes yes
  Built-In TC Control yes yes yes
  Built-In Thermal Printer OPTIONAL OPTIONAL OPTIONAL

Turns Ratio Testers TRT33 series

The TRT33 series have additional test voltage of 1 V AC. This voltage is necessary for testing current transformers.

  TRT33A TRT33B TRT33C
  Test Voltages (1,8,40,100) V AC
3x(1,8,40,100)√3 V AC
(1,10,40,100) V AC
3x(1,10,40,100)√3 V AC
(1,8,40,80) V AC
3x(1,8,40,80)√3 V AC
  Ratio Range 0,8 to 15 000
(5-digit Resolution)
0,8 to 15 000
(5-digit Resolution)
0,8 to 15 000
(5-digit Resolution)
  Best Ratio Accuracy 0,05 % 0,05 % 0,05 %
  Excit. Current Range 0 – 2 A 0 – 2 A 0 – 2 A
  Excit. Curr. Accuracy ±(0,25% + 500 µA) ±(0,25% + 500 µA) ±(0,25% + 500 µA)
  Best Excit. Curr. Resolution 0,1 µA 0,1 µA 0,1 µA
  Phase Angle Range 360 Degrees 360 Degrees 360 Degrees
  Phase Angle Accuracy ±0,05 Degrees ±0,05 Degrees ±0,05 Degrees
  Phase Angle Resolution 0,01 Degree 0,01 Degree 0,01 Degree
  USB Flash Drive Feature yes yes yes
  Built-In Tc Control yes yes yes
  Built-In Thermal Printer OPTIONAL OPTIONAL OPTIONAL
 Turns Ratio Testers TRT40 series
The TRT40 series have the highest test voltage of 125 V AC. Together with Extension Transformer CVT40 it can output up to 5 kV AC.
  TRT40A
  Test Voltages (8,40,125) V AC
3x(8,40,125)√3 V AC
  Ratio Range 0,8 to 15 000
(5-digit Resolution)
  Best Ratio Accuracy 0,05 %
  Excit. Current Range 0 – 2 A
  Excit. CURR. ACCURACY ±(0,25% + 500 µA)
  Excit. Curr. Resolution 0,1 µA
  Phase Angle Range 360 Degrees
  Phase Angle Accuracy ±0,05 Degrees
  Phase Angle Resolution 0,01 Degree 
  USB Flash Drive Feature yes
  Built-In Tc Control yes
  Built-In Thermal Printer OPTIONAL

Turns Ratio Testers TRT43 series

The TRT43 series have the additional test voltage of 1 V AC, which is necessary for testing current transformers. Together with
Extension Transformer CVT40 it can output up to 5 kV AC.

  TRT43A
  Test Voltages (1,8,40,125) V AC
3x(1,8,40,125)√3 V AC
  Ratio Range 0,8 to 15 000
(5-digit Resolution)
  Best Ratio Accuracy 0,05 %
  Excit. Current Range 0 – 2 A
  Excit. Curr. Accuracy ±(0,25% + 500 µA)
  Best Excit. Curr. Resolution 0,1 µA
  Phase Angle Range 360 Degrees
  Phase Angle Accuracy ±0,05 Degrees
  Phase Angle Resolution 0,01 Degree
  USB Flash Drive Feature yes
  Built-In Tc Control yes
  Built-In Thermal Printer OPTIONAL
Turns Ratio Testers TRT63 series
The most advanced series is TRT63. Besides the highest 250 V AC test voltage, which is actually ~430 V AC phase to phase,
this series has better turns ratio accuracy and better turns ratio range. The TRT63 cables are interchangeable with TWA40D cables.
  TRT63A TRT63B TRT63C
  Test Voltages (1,8,40,100,250) V AC
3x(1,8,40,100,250)√3 V AC
(1,10,40,100,250) V AC
3x(1,10,40,100,250)√3 V AC
(1,8,40,80,250) V AC
3x(1,8,40,80,250)√3 V AC
  Ratio Range 0,8 to 50 000
(5-digit Resolution)
0,8 to 50 000
(5-digit Resolution)
0,8 to 50 000
(5-digit Resolution)
  Best Ratio Accuracy 0,03 % 0,03 % 0,03 %
  Excit. Current Range 0 – 2 A 0 – 2 A 0 – 2 A
  Excit. Curr. Accuracy ±(0,25% + 500 µA) ±(0,25% + 500 µA) ±(0,25% + 500 µA)
  Best Excit. Curr. Resolution 0,1 µA 0,1 µA 0,1 µA
  Phase Angle Range 360 Degrees 360 Degrees 360 Degrees
  Phase Angle Accuracy ±0,05 Degrees ±0,05 Degrees ±0,05 Degrees
  Phase Angle Resolution 0,01 Degree 0,01 Degree 0,01 Degree
  USB Flash Drive Feature yes yes yes
  Built-In Tc Control yes yes yes
  Built-In Thermal Printer OPTIONAL OPTIONAL OPTIONAL

TRT series
By using DV-Win software, it is possible to create test plans and to prepare test settings in advance. All test results are displayed both numerically and graphically for easier analysis.

All TRT devices are equipped with a USB flash drive feature for easy transfer of test results to USB flash drive.

All TRT devices have built-in tap changer control unit that allows remote tap change and also automatic turns ratio measurement of tap changers.

Built-in 112 mm thermal printer is an option.
TRTC Verification Calibrator

Reference transformer for accuracy verification of three-phase transformer turns ratio testers TRT

The TRTC Verification Calibrator is optional accessory that can be used as a reference transformer for the verification of the accuracy of the Three-phase Transformer Turns Ratio Tester TRT. The TRTC Verification Calibrator is available for both single-phase and three-phase test, with ranges up to 4800 and test voltages from 1 V to 250√3 V. Click here to download TRTC brochure.
Extension Transformer CVT40

Booster transformer used together with TRT4x turns ratio testers to produce 5 kV AC necessary for testing capacitive voltage transformers
Booster transformer used together with TRT4x turns ratio testers to produce 5 kV AC necessary for testing capacitive voltage transformers














 

CVT40 is an extension transformer which is used together with DV Power TRT4x series to test capacitive voltage transformers. With this extension, the TRT4x series output voltage is increased 40 times, up to 5 kV AC.

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Turns Ratio Tester TRT03A

Owerviev

Turns Ratio Tester TRT03B

Owerviev

Turns Ratio Tester TRT03C

Owerviev

Turns Ratio Tester TRT30A

Owerviev

Turns Ratio Tester TRT30B

Overview

Turns Ratio Tester TRT30C

Overview

Turns Ratio Tester TRT33A

Overview

Turns Ratio Tester TRT33B

Overview

Turns Ratio Tester TRT33C

Overview

Turns Ratio Tester TRT40A

Overview

Turns Ratio Tester TRT43A

Overview

Turns Ratio Tester TRT63A

Overview

Turns Ratio Tester TRT63B

Overview

Turns Ratio Tester TRT63C

Overview
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