Product parameters:
Utilizing advanced internal Frequency Response Analysis (FRA) – a cutting-edge methodology currently refined in global R&D – this instrument diagnoses transformer faults through precise measurement of winding characteristic parameters. It is indispensable for detecting structural defects in power transformers.
Technical parameters:
Linear sweep frequency measurement range | (1kHz)～(1MHz) |
Segment sweep frequency measurement range | (0.5kHz)～(1kHz) |
(0.5kHz)～(10kHz) | |
(10kHz)～(100kHz) | |
(100kHz)～(500kHz) | |
(500kHz)～(1000kHz) | |
Range of amplitude | (-100dB)～(+20dB) |
Accuracy of amplitude measurement | +20dB～-60dB;±1dB |
-60dB～-100dB;±2dB | |
Sweep accuray | 0.01% |
Signal input impedance | 1MΩ |
Signal output impedance | 50Ω |
In phase test repetition rate | 99.5% |
Measuring instrument size (L × W × H) | 300×340×120mm3 |
Instrument aluminum alloy packing box size (L × W × H) | 310×400×330mm3 |
Weight | 10kg |
Feature:
1. Advanced DDS Core Technology
Dedicated digital high-speed scanning (DDS) detects:
Mechanical deformations (distortion/bulging/displacement/tilting)
Electrical faults (inter-turn shorts, phase-to-phase contact faults
2. High-Fidelity Acquisition System
SoC-controlled architecture with MIL-spec components
Dual-channel 16-bit A/D sampling (≥99.5% repeatability)
Field Validation: Tap changer operations induce significant waveform deviations
3. Dual-Sweep Measurement Modes
Linear + segmented frequency analysis compatible with domestic technical standards
4. Non-Invasive Testing Protocol
Requires only busbar disconnection; eliminates transformer disassembly
5. Ergonomic Field Operation
Measurement-insensitive lead configuration; technicians operate safely atop tank
6. Standards-Compliant Output
Meets national amplitude-frequency specifications (GB/T 1094.18)
User-selectable axis scaling: Linear or logarithmic plots
7. Intelligent Signal Control
Software-auto-ranged ±10V output with adaptive sampling frequency
8. High-Resolution Scanning
0-1MHz linear sweeps with configurable resolution (0.25/0.5/1kHz steps)
9. AI-Driven Diagnostics
6-curve historical comparison with axis-specific analysis
Automated parameter calculation & winding deformation diagnosis
Expert diagnostic conclusions
10. Automated Reporting Suite
Environmental parameter logging
Measurement data archiving
Word/PDF report generation with color printing
