Home » Products » N4L SFRA45 Sweep Frequency Response Analyzer
The N4L SFRA45 is a Sweep Frequency Response Analyzer with a bandwidth from 5 Hz to 45 MHz and offers a highly portable solution for IEC60076-18 compliant measurements of transformer frequency response.
With the built-in color display and battery power you can use this tablet-like instrument with and without PC software. With the available SFRAComm software, the user can call up a database of transformer sweeps to compare the current measurement with. This offers the possibility to perform a ‘fingerprint’ analysis next to all other comparative analyses.
The SFRA brings a range of frequencies into the windings of a transformer. When the transformer is built correctly, the frequency response gives a certain image that we call the ‘fingerprint’. Over the lifetime of the transformer, this can be used to detect aging.
The measurements are carried out as a final check during production, before a short circuit test. Also before and after transport and during periodic maintenance.
Standard is the Customer Cable Reel with a length of up to 50 meters.
And optionally theUSB to 9 Pin RS232 Serial Converter.
Open the datasheet for detailed specifications of this product.
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Arnold Memelink
ABB
"The ABB Power Grids Jumet organisation is an innovative development and production facility of ABB that manufactures active filters and battery energy storage systems to support a stable grid. To test these systems we have acquired two Cinergia GE/EL +120kVA eplus units capable of doing grid emulation (AC + DC), operating as an electronic load (AC +DC) and being a battery emulator. We have experienced very good support from TTMS in obtaining these two Cinergia units. This included organising an on-site demonstration and supplying loan systems prior to the delivery of our final systems. This way we could start testing as early as possible. TTMS also organised training for the operators from the original manufacturer. This support allowed us to introduce the first battery energy storage systems even prior to the full delivery of the Cinergia systems."
Sasan Rafii-Tabrizi
University of Luxembourg
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