This is a transformer winding tester developed according to the response analysis method. It is a novel non-destructive testing equipment for transformer internal faults. It is suitable for internal structure fault detection of 63kV ~ 500kV power transformers.
The transformer winding deformation tester is composed of a notebook computer and a single-chip microcomputer to form a high-precision measurement system. It has a compact structure, simple operation, and relatively complete testing and analysis functions.
A. Scanning method
1. Linear sweep distribution
Frequency sweep measurement range: (10Hz)-(10MHz) 40000 sweep frequency points, resolutions of 0.25kHz, 0.5kHz and 1kHz.
2. Segmented frequency sweep measurement distribution
Frequency sweep measurement range: (0.5kHz)-(1MHz), 2000 frequency sweep points;
(0.5kHz)-(10kHz)
(10kHz)-(100kHz)
(100kHz)-(500kHz)
(500kHz)-(1000kHz)
B. Other technical parameters
1. Amplitude measurement range: (-120dB) to (+20dB)
2. Amplitude measurement accuracy: 0.1dB
3. Scanning frequency accuracy: 0.01%
4. Signal input impedance: 1MΩ
5. Signal output impedance: 50Ω
6. Signal output amplitude: ±20V
7. In-phase test repetition rate: 99.9%
8. Instrument dimension: 355mm*145mm*270mm
9. Box Dimensions:410mm * 360mm* 350 mm
10. Overall weight: 17Kg
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