MTCP-III is portable analyzer designed for analyzing current transformers and voltage transformers of protection or measurement use, which is suitable for laboratory and on-site test.
CT PT Analyzer Feature:
- Support detection of CT and PT
- No need to connect other auxiliary equipment, can complete all test items, and complete the excitation and transformation ratio polarity test at the same time in one test.
- Fast printer, which can print test results directly on site.
- Easy to operate, with intelligent prompts, making it easier for users to operate.
- Large screen LCD, graphical display interface.
- Automatically give CT/PT (excitation) inflection point value according to regulations.
- Automatically give 5% and 10% error curves.
- 3000 sets of test data can be saved, which will not be lost after power failure.
- Support U disk transfer data, can be read through a standard PC, and generate WORD report.
- Small and light weight ≤22kg, very conducive to field testing.
TECHNICAL PARAMETERS
| I. Current Transformer (CT） | II. Voltage Transformer (PT） |
| 1. Excitation Characteristic Test | 1. Excitation Characteristic Test |
| 2. Auto Calculation of Knee Point Value | 2. Auto Calculation of Knee Point Value |
| 3. Auto 5% and 10% error curves, can measure ALF | 3. Transformer Ratio Test |
| 4. Transformer Ratio Test | 3. Polarity |
| 5. Polarity | 4. Ratio difference measurement |
| 6. Ratio difference measurement | 5. Phase (angle difference) measurement |
| 7. Phase (angle difference) measurement | 6. Withstand Test of Power Frequency Alternating Current |
| 8. Primary Current Injecting | 7. Actual Secondary Load Test |
| 9. Withstand Test of Power Frequency Alternating Current | 8. Secondary Winding Test |
| 10. Secondary Load Test | |
| 11. Secondary Winding Test | |
| 12. Measuring the volt-ampere characteristics of medium and low voltage CTs and zero sequence CTs | |
| 13. Measure GIS, casing CT | |
| 14. Comprehensive test, complete excitation and transformation ratio polarity at the same time in one test |
TECHNICAL PARAMETERS
| Operational Power Supply: | AC220V±10%, 50Hz | |
| Single Machine Output: | 0～2500Vrms, 5kVA (maximum setting value 20A) | |
| Primary Current Output: | 0～1000A | |
| Excitation accuracy： | ≤0.5% (0.2%*reading+0.3%*range) | |
| Secondary winding
Resistance measurement |
Range | 0.1～300Ω |
| Accuracy | ≤0.5% (0.2%*reading+0.3%*range) | |
| Secondary real
Load measurement |
Range | 5～500VA |
| Accuracy | ≤0.5% (0.2%*reading+0.3%*range) ±0.1VA | |
| Phase measurement
(Angle difference) |
Accuracy | 4min |
| Resolution | 0.1min | |
| CT ratio measurement range | Range | ≤25000A/5A（5000A/1A） |
| Accuracy | ≤0.5% | |
| PT ratio measurement range | Range | ≤500kV |
| Accuracy | ≤0.5% | |
| Operating Temperature： | －10℃～+40℃ | |
| Relative Humidity： | ＜90RH% | |
| Altitude | ≤1000m | |
| Overall Dimension (Length × Width × Height): | 410mm * 260mm * 340（mm） | |
| Weight: | ≤28 kg | |
What is CT PT?
CT : Current Transformer
PT: Potential Transformer
PT voltage transformers and CT current transformers use the principle of electromagnetic induction to convert high voltages to low voltages or large currents to small currents to provide suitable voltage or current signals to measuring instruments, protection devices and control devices.
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