A Transformer Partial Discharge Measurement System Based on Fluorescent Fiber
Abstract
:1. Introduction
2. Fluorescent Fiber Sensing Principle
3. Fluorescent Fiber Sensors
3.1. Sensor Base Material Choice
3.2. Sensor Parameter Choice
3.2.1. Sensor Excitation Spectrum
3.2.2. Sensor Emission Spectrum
3.2.3. Sensor Fluorescence Quantum Yields
Name | Parameter |
---|---|
Excitation spectrum/nm | 300–500 |
Emission spectrum/nm | 492–577 |
Fluorescence quantum yields | 0.7 |
Diameter/mm | 1.0 |
Length/m | 1.0 |
Working temperature/°C | −40~+70 |
3.3. Sensor Length Determination
4. PD Optical Measurement Systems
4.1. Fluorescent Fiber Sensing System
Name | Parameter |
---|---|
Photocathode diameter/mm | Ф8 |
Spectral response range/nm | 300–880 |
Peak sensitivity wavelength/nm | 500 |
Cathode illumination sensitivity/(μA/lm) | 250 |
Cathode peak wavelength radiant sensitivity/(mA/W) | 58 |
Anode illumination sensitivity/(V/lm) | 1.25 × 107 |
Dark current/mA | 0.2 |
Working temperature/°C | +5~+45 |
4.2. PD Detection Testing Platform
5. Test Results and Discussion
5.1. Waveform Features of Pd Optical Pulse
5.2. PD Signals Tested by Optical Method and UHF Method
Measurement system | T1/μs | T2/μs | T3/μs | Proportional error |
---|---|---|---|---|
UHF method | 1.92 | 0 | 1.92 | 7.30% |
Optical method | 3.99 | 2.21 | 1.78 |
5.3. PD Signals under Industrial Frequency Cycle
5.4. PD Optical Pulse n-u-φ Distribution
6. Conclusions
Acknowledgment
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Tang, J.; Zhou, J.; Zhang, X.; Liu, F. A Transformer Partial Discharge Measurement System Based on Fluorescent Fiber. Energies 2012, 5, 1490-1502. https://doi.org/10.3390/en5051490
Tang J, Zhou J, Zhang X, Liu F. A Transformer Partial Discharge Measurement System Based on Fluorescent Fiber. Energies. 2012; 5(5):1490-1502. https://doi.org/10.3390/en5051490
Chicago/Turabian StyleTang, Ju, Jiabin Zhou, Xiaoxing Zhang, and Fan Liu. 2012. "A Transformer Partial Discharge Measurement System Based on Fluorescent Fiber" Energies 5, no. 5: 1490-1502. https://doi.org/10.3390/en5051490