TPHGC-A Transformer Characteristic Comprehensive Tester is specially designed by Darelli Electric for testing transformer volt-ampere characteristics, ratio testing, and polarity discrimination. It is a multifunctionaltest instrument. This instrument adopts high-efficiency, low-consumption high-quality materials and a specially wound booster, with a microcontroller for data acquisition, analysis, and storage. It has a built-in micro printer that can print test data and curves. When measuring CT ratio, it can automatically calculate the ratio value. Oneperson can complete all testing work. This transformer characteristic comprehensive tester features light weight and easy operation.
Functional Features
1. This transformer characteristic comprehensive tester has comprehensive functions and can test CT/PT volt-ampere characteristics, ratio and polarity, 10% error curve, angle difference, and ratio difference.
2. Only need to set the test voltage, current, and step size. The device will automatically boost and automatically plot the volt-ampere characteristic test curve, saving the tedious work of manual voltage adjustment, manual recording, and curve drawing. Fast, simple, and convenient.
3. An external booster can be connected to expand the output voltage range.
4. For volt-ampere characteristic tests, the standalone output voltage is 0-2500V, current 0-20A; with an external booster, the output voltage is 0-4000V, current 0-1.5A, enabling volt-ampere characteristic tests for 500kV class 1A transformers.
5. 220V single power input avoids the danger of using 380V.
6. Large-screen LCD display directly shows the volt-ampere curve during testing, which is intuitive and convenient. Built-in micro printer can conveniently print test data.
7. Digital keyboard for convenient numeric input.
8. Equipped with a large-capacity memory that can store 100 sets of test data, which is not lost when power is off.
9. RS232 communication interface can connect to a computer for testing, and test data can also be uploaded to the computer for editing and saving.
Technical Parameters
1. Built-in booster
(1) Output range: 0-2500V (220V power supply), 0-20A
(2) Reference load capacity for volt-ampere characteristic test: 1A/2500V, 2A/1500V, 5A/600V, 10A/220V, 20A/30V
(3) Measurement accuracy: when secondary voltage ≥50V and secondary current ≥200mA: volt-ampere characteristic accuracy: 0.5 class, ratio measurement accuracy: 0.5 class
2. External booster
(1) Output range: 0-4000V/1A
(2) Reference load capacity for volt-ampere characteristic test: 1A/4000V
(3) Measurement accuracy: when secondary voltage ≥50V and secondary current ≥200mA: volt-ampere characteristic accuracy: 0.5 class, ratio measurement accuracy: 0.5 class
3. Built-in current generator
(1) Output range: 0-600A
(2) Reference load capacity for volt-ampere characteristic test: 800VA
(3) Measurement accuracy: ratio measurement accuracy: <1%
4. Main unit working power: AC 220V, 50Hz/60Hz (±2Hz)
5. Working environment temperature: -10℃～+50℃
