China Sfra   Test Kit Deformation

GDRZ-902 SFRA Test Kit Deformation of Transformer Windings Tester

GDRZ-902 Frequency Response Analysis on Power Transformers is a powerful and sensitive method to evaluate the mechanical integrity of core, windings and clamping structures within power transformers by measuring their electrical transfer functions over a wide frequency range. SFRA is a proven method for frequency measurements.

Introduction:

The structure and reference of the transformer is fixed after been made, Therefor, the frequency response of each winding will be almost the same normally.Some case such as cut off between circles or phases in experience, cut off or winding moved for the pullEngine & Part of power in running, winding moved for hit in transportation, could change the reference of the transformer ,of which the frequency response will be changed, we could detect the deformation according to the frequency response curve.Our company has designed tInstrument Box he winding deformation tester base on the idea and the advanced technique.Frequency Response Analysis on Power Transformers could draw the frequency response curve accurately. Then we compare the curves horizontally or vertically to detect the deformation of the transformer.Frequency Response Analysis on Power Transformers is conformed to the standard of DL/T911 2004.

Specifications:

Frequency Response Analysis on Power TransformersGDRZ-902 Transformer SFRA Sweep Frequency Response AnalyzerTwo different sweep modes:Linear sweep, Section sweepLinear Sweep0.5KHz - 1MHz interval 0.5KHz 2000 dotsManufacturing & Processing Machinery Section Sweep50Hz - 100Hz interval 2Hz 25 dots100HZ-1KHz interval 20Hz 45 dots1KHz - 10KHz interval 50Hz 180 dots10KHz - 100KHz interval 0.2KHz 450 dots100KHz-500KHz interval 0.5KHz 800 dots500KHz - 1000KHz interval 1KHz 500 dotsTest Range(-100dB) - (+20dB)Universal Medical Implement Test Accuracy0.1dBFrequency Accuracy<0.01%Signal Input Impedance>1M ΩSignal Output Impedance50 Ω

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