HZ-600C SFRA 3 Phase Sweep Frequency Response Analyzer
Huazheng Electric Manufacturing (Baoding) Co., Ltd. is one of the leading manufacturers and suppliers of HZ-600C SFRA 3 Phase Sweep Frequency Response Analyzer in China. Please feel free to buy high quality equipment for sale here from our factory. Good service and reasonable price are available.
HZ-600C SFRA 3 Phase Sweep Frequency Response Analyzer
Introduction
The frequency response method is to use a sweep generator to add a set of sinusoidal voltages of different frequencies to one end of the transformer winding, and directly draw the amplitude or phase signal obtained from the other end of the selected transformer as a function of frequency (frequency response curve) . When the structure of the transformer is fixed, the (frequency response curve) of the transformer is directly drawn. When the structure of the transformer is fixed, the frequency response curve of the transformer is fixed. When the transformer winding is deformed, the frequency response curve of the transformer is used to determine whether the transformer is deformed.
When the winding is deformed, the change of the frequency response characteristic curve can be characterized by the correlation coefficient R. A new non-damaged transformer oil has a frequency response characteristic. When the winding is deformed, each point on the frequency response curve may deviate from the original coordinates, so a new frequency response curve will appear. Comparing the correlation between the two spectrum curves, the overall deformation of the winding can be analyzed and evaluated.
Technical Parameters
| Item | Specification |
| Testing speed | 1–3 min for single-phase winding |
| Output voltage | Vpp-25V, automatic adjustment during test |
| Output impedance | 50 Ω |
| Input impedance | 1 MΩ (response channel built-in 50 Ω matching resistor) |
| Frequency scan range | 10 Hz–2 MHz (10 Hz–30 MHz optional) |
| Frequency accuracy | 0.001% |
| Frequency scan mode | Linear or logarithmic; scan interval & number of sweep points freely settable |
| Curve display | Amplitude-frequency curve (phase-frequency curve optional) |
| Measuring dynamic range | -100 dB ~ 20 dB |
| Power source | AC 100–240 V, 0–400 Hz |
| Tester weight | Only 3 kg |
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