CT-PT Transformer Volt-Ampere Characteristic Tester
Technical Specifications
3.1 Volt-Ampere Characteristic Technical Specifications:
|
Input Voltage |
Output Range |
Measurement Range |
Measurement Accuracy |
|
|
Main Unit |
220V |
0~550V, 0~20A |
0~550V, 0~20A |
< =0.5% |
|
Main Unit |
380V |
0~950V, 0~20A |
0~950V, 0~20A |
< =0.5% |
|
External Booster Transformer |
220V |
0~2000V, 0~3A |
0~2000V, 0~3A |
< =0.5% |
|
External Voltage Regulator |
0~1000V, 0~30A |
< =0.5% |
|
Device Operating Power Supply |
AC 220V±10%, 50/60Hz |
Operating Environment Temperature |
-10℃ - +50℃ |
|
Measurement Power Source |
AC 220V or AC 380V |
Dimensions, Weight |
420×300×270mm3, 34.5Kg |
3.2 Current Transformer Measurement Range:
Transformation Ratio: 5A/5A~25000A/5A (5A/1A~5000A/1A).
Turn Ratio Error: 1%.
3.3Voltage Transformer Measurement Range:
2.2kV~132kV, Measurement Error: Ratio error class 0.5.
3.4 Actual Secondary Load Test
PT Load 10VA~500VA, Measurement Error: Class 2
CT Load 0.1Ω~25Ω, Measurement Error: Class 2
3.5-inch Operating Conditions:
Power Supply Voltage: AC 220V ±10%
Power Frequency: 50Hz ±2%
Ambient Temperature: (0~40)℃
Ambient Humidity: <85% at 25℃
Features:
1. Fewer wiring terminals and simple wiring method for user convenience.
2. Standalone volt-ampere characteristic test output voltage 0-1000V, current 0-15A; standalone transformation ratio test maximum output current 0-600A.
3. Fully automatic voltage boosting, current boosting, plotting of volt-ampere characteristic curves, CT-PT Transformer Volt-Ampere Characteristic Tester calculates transformation ratio results, eliminating tedious manual voltage adjustment, manual recording, and curve plotting, improving work efficiency.
4. Can simulate testing of transformer angle error and ratio error without external standard transformers and voltage/current sources.
5. Can test CT/PT volt-ampere characteristics, transformation ratio, polarity, angle error, ratio error, 5% and 10% error curves, secondary circuit, secondary AC withstand voltage, and demagnetization tests.
6. Large screen Chinese LCD display, intuitive and convenient.
7. Built-in micro high-speed printer for on-site printing of curve graphs and test data.
8. Uses imported photoelectric rotary encoder, simple and convenient operation.
9. Large capacity memory, can save 1000 sets of test data, data not lost on power failure.
10. USB communication interface, can connect to a laptop for testing.
11. Small size, light weight, convenient for mobile testing.
Technical Specifications:
1. Input Voltage: AC 220V or 380V, 50Hz, automatic identification of input voltage.
2. Operating Ambient Temperature: 0～40℃
3. Output Voltage:
When input AC 220V, output 0～550V;
When input AC 380V, output 0～1000V.
Current: maximum instantaneous current when testing transformation ratio is 240A
When testing volt-ampere characteristics is 15A.
4. Digital Voltmeter Measurement Range: 0～999.9V; Resolution: 0.1V.
When used as current display: 0～999.9mA; Resolution: 0.1mA.
5. Digital Ammeter Measurement Range: 0～15A (240A), Resolution: 0.01A.
6. Error: I≤3%, U≤3%.
7. When testing CT transformation ratio, can automatically calculate the ratio value, and print data and calculation results.
8. When testing volt-ampere characteristics, store and print 20 sets of current and voltage values and volt-ampere characteristic curves.
9. External Dimensions: Length×Width×Height = 470×340×260mm3
10. Weight: 21kg.
