1. Automatic testing: Simply set test parameters such as current step, automatically collect transformer volt-ampere characteristic data and automatically plot the excitation characteristic curve; automatically test and calculate the CT ratio;
2. Utilizes "one-key flywheel" (rotary mouse) technology for more convenient operation;
3. Built-in adjustable voltage (current) source with ample power: Only a single 220V power input is required. The built-in segmented adjustable voltage source allows selection of different output voltages for transformers with different test voltages, providing finer voltage adjustment, eliminating current jumps, and improving measurement accuracy. The built-in booster can output up to 1250V (Type A: 2000V, Type B: 2500V), and the built-in adjustable current source can output up to 800A;
4. User-friendly interface: Uses imported all-weather large-screen graphic LCD, clearly visible in various strong or weak light environments, full Chinese menu interface, cursor prompts for operation, real-time display of test data and curves, automatic scaling of curve coordinates for clearer reading;
5. Advanced data processing: Built-in super-large capacity memory, can store 6400 sets of test data; can be uploaded to PC via RS232 or USB interface, and using the random software developed by our company, can automatically generate editable typical test reports, and can calculate, analyze, and compare 5% and 10% error curves for 1A and 5A CTs, facilitating technical management and archiving;
6. Adopts intelligent fuzzy control voltage regulation: Automatically identifies non-test segments and quickly returns to zero; significantly shortens test time and improves work efficiency;
7. Comes with a built-in micro high-speed printer, can print CT volt-ampere characteristic test reports, excitation characteristic curves, and CT ratio test reports in real-time;
8. Polarity discrimination uses the DC method recommended by regulations, with audible and visual indication of discrimination results, reliable and intuitive;
9. Complete protection functions: This machine has complete overcurrent and overvoltage protection functions, and can automatically adjust the overcurrent and overvoltage protection values based on the settings of test parameters to ensure the safety of the equipment under test.
Technical Specifications
1. Test power input: 220V/30A
2. Volt-ampere characteristic test: Output 0---250V 20A (max)
Output 0---750V 10A (max)
Output 0---1250V 5A (max)
(Type A) Output 0---2000V 3A (max)
(Type B) Output 0---2500V 2A (max)
Voltage measurement 0.2 class (resolution 0.1V)
Current measurement 0.2 class (resolution 0.01A)
3. Ratio test: Measurement range 1---6500.0/5 (1) 0.5 class
4. Built-in current booster output 800A (standard)
External current booster output 1000A----2000A (optional)
5. Primary current measurement 800――2000A 0.2 class
6. Secondary current measurement 9.99A 0.2 class
7. Main unit output to current booster max 10KVA
8. Working power: 220V±10% 50Hz
9. Dimensions: 400×300×300mm
10. Weight: approximately 22Kg
