Transformer Volt-Ampere Characteristic Tester CT Parameter Analysis and Detection Device Hardware Structure



1. Panel Structure: (Figure 1)





                     Figure 1



2. Panel Annotations:

1 —— Equipment grounding terminal

2 —— USB flash drive transfer port

3 —— Printer

4 —— Liquid crystal display

5 —— Controller

6 —— Overcurrent protection (power) switch

7 —— P1, P2: High current output ports for CT ratio/polarity/angle error/ratio error tests

8 —— S1, S2: Secondary side connection ports for CT ratio/polarity/angle error/ratio error tests

9 —— K1, K2: Voltage output ports for CT/PT excitation (volt-ampere) characteristic tests

10 —— A, X: Primary side connection ports for PT ratio/polarity/angle error/ratio error tests

11 —— a, x: Secondary side connection ports for PT ratio/polarity/angle error/ratio error tests



Transformer Volt-Ampere Characteristic Tester CT Parameter Analysis and Detection Device Design Purpose



Designed for automatic testing of protective and metering CT/PT, suitable for both laboratory and field testing.



Technical Parameters:



1. Power supply: AC220V



2. Volt-ampere output: 1000V/15A (single unit)



3. Ratio output: 600A/5V (single unit)



4. Testing accuracy: ≤0.5%



5. Testing range: CT25000A/5A or 5000A/1A; PT5VA~500VA



6. Dimensions: 380X260X260 (mm)



7. Weight: 24 (Kg)



Technical Features:



1. Supports testing of CT and PT (protective, metering, TP class) steady-state and transient parameters.

2. Meets requirements of GB1207, GB1208, GB16847 (IEC60044-1, IEC60044-6) and other standards.

3. Uses advanced power technology, excitation voltage up to 30KV.

4. No need for external auxiliary equipment; single unit can complete all testing items.

5. Built-in micro fast printer, can directly print test results on site.

6. Uses intelligent controller, simple operation.

7. Large screen LCD, graphical display interface.

8. Automatically provides (excitation) knee point value according to standards.

9. Automatically provides 5% and 10% error curves.

10. Can save 3000 sets of test data, not lost after power failure.

11. Supports USB flash drive data transfer, can be read via standard PC and generate WORD reports.

12. Compact and lightweight <10Kg, very convenient for field testing.