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Where are transformer test systems used?


Wound components, such as impedance matching transformers, storage chokes, miniature inductance coils (for mobile phones), power transformers of any kind, components for telecommunication systems, etc. are found today in large numbers in every laptop, phone, power supply and almost all areas of electronics.

Quality assurance procedures with testing of finished product or incoming acceptance inspection of components are essential so that the accuracy and quality of the components required by the developers, manufacturers and producers can be maintained.
The large quantities produced today do not permit the use of "yesterday's" test methods. Long testing times, tool changeover times, setup times and separate high voltage tests can make a company completely uncompetitive. Racks equipped with a variety of test equipment and PCs are also "out of date", as they are extremely expensive and can only be converted to other components at great cost and with considerable loss of time.

State-of-the-art testing systems for wound components need testing durations limited to times lasting between only a few hundred milliseconds and a few seconds for 100% testing. No setup times, changeover times or separate testing facilities are needed, as state-of the-art testing systems combine all imaginable tests and functions in one device. But not only the quality and speed of testing counts, but also the high reproducibility of the measurement results, as well as their documentation and storage.

DrosselnThe Voltech AT3600 transformer test system incorporates in a single device all tests, measurements devices, high voltage supplies, etc., which are needed for 100% testing of all wound components - from the smallest SMD component up to mid-sized transformers. Hidden inside an AT3600 test system "hides" are a high-precision LCR measuring bridge (20Hz to 3MHz, with a basic accuracy of 0.05%), a high-precision 5.5 multimeter function, a milliohmmeter (from μ-Ohm to M-Ohm), an insulation measuring instrument (up to 100 Giga-Ohm), a high voltage DC source (up to 7KV), a high voltage AC source (up to 5500V), a leakage current tester, an impulse generator, etc. - all of which can be connected via a complex relay matrix to components featuring up to 20-pins. The necessary programming is done via an intuitive Windows interface, which can be learned in only a few minutes.

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