Interchangeable test leads with Three-phase Winding Ohmmeters & Tap Changer Analyzers TWA
Built-in Printer: Built-in thermal printer, 112 mm (4.4 in) wide, is an optional accessory.
Memory: There is enough memory in the TRT4x to store 200 test records. Each record consists of 50 test readings.
Application:
Turns ratio measurement
Turns ratio deviation calculation
Excitation current measurement
Phase angle measurement
Automatic vector group detection
Verification of demagnetization process
Magnetic balance test
System Overview:
TRT6x is a three-phase, fully automatic test set specially designed for turns ratio, phase shift and excitation current measurements of power, distribution and instrument transformers.
The test set can be used to test single-phase and three-phase transformers, both with and without taps in accordance with the requirements of the IEC 60076-1 standard.
True three-phase test voltage allows testing any type of transformer, including special transformers like phase shifting, arc furnace, rectifier transformers, etc.
DV-Win Software:
The software provides numerous advantages, such as downloading test results from the instrument, acquisition of test results, creating graphs for easier analysis, creating test reports and saving them in several different formats.
When creating test plan, the DV-Win enables automatic calculation of nameplate voltages for all tap positions. The user is allowed to edit these voltages, save the test plan and recall it onsite.
All results are displayed both numerically and graphically, making analysis as easy as possible.
Test report, generated with single click, can be quickly customized, and directly printed or saved.
Mains Power Supply:
Connection: according to IEC/EN60320-1; UL498, CSA 22.2
Mains supply: 90 – 264 V AC, 50/60 Hz or 110 – 350 V DC
Input power: 250 VA
Fuse: 2 A / 250 V, type F, not user replaceable
Output Data (models/Test Voltages):
TRT63A: 1, 8, 40, 100, 250 V AC; 3 x (1, 8, 40, 100, 250) √3 V AC
TRT63B: 1, 10, 40, 100, 250 V AC; 3 x (1, 10, 40, 100, 250 V AC)√3 V AC
TRT63C: 1, 8, 40, 80, 250 V AC; 3 x (1, 8, 40, 80, 250 V AC)√3 V AC
Measurement:
Turns ratio measuring range: 0,8 – 50 000
Turns ratio resolution: 5 digits
Typical turns ratio accuracy:
@250 V AC
0,8 – 999: ±0,03%
1 000 – 3 999: ±0,05%
4 000 – 14 999: ±0,05%
15 000 – 19 999: ±0,05%
20 000 – 50 000:±0,1%
@80 or 100 V AC
0,8 – 999: ±0,05%
1 000 – 3 999: ±0,05%
4 000 – 14 999: ±0,1%
15 000 – 19 999: ±0,2%
20 000 – 50 000: ±0,25%
@40 V AC
0,8 – 999: ±0,05%
1 000 – 3 999: ±0,1%
4 000 – 14 999: ±0,2%
15 000 – 20 000: ±0,3%
@8 V or 10 V AC
0,8 – 999: ±0,05%
1 000 – 3 999: ±0,1%
4 000 – 15 000: ±0,2%
@1 V AC
0,8 – 999: ±0,05%
1 000 – 4 000: ±0,1%
Excitation current range: 0 – 2 A
Excitation current resolution:
0,0000 – 9,9999 mA: 0,1 μA
10,000 – 99,999 mA: 1 μA
100,00 – 999,99 mA: 10 μA
1,0000 – 2,0000 A: 100 μA
Typical excitation current accuracy: ±(0,25% rdg + 500 μA)
Phase angle range: 0 – 360º
Phase angle resolution: 0,01º
Typical phase angle accuracy: ±0,05º
Display:
LCD screen 20 characters by 4 lines;
LCD display with backlight, visible in bright sunlight
Interface:
USB (standard)
RS232 (optional)
Data Storage: Store up to 10,000 test results
Printer (optional):
Built-in thermal printer
Paper width 112 mm / 4.4 in
Applicable Standards
Installation/Overvoltage category: II
Pollution degree: 2
Safety: LVD 2014/35/EU (CE Conform); Standard EN 61010-1:2001
EMC: Directive 2014/30/EU (CE Conform); Standard EN 61326-1:2006
Please feel free to contact for detailed specifications, accessories, software and options.