Megger MWA330A Transforming Winding Analyser

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The Megger MWA330A Transforming Winding Analyser is a three-phase transformer test system that combines TTR and resistance testing into one. It can be used to effectively test power transformers, distribution transformers, CTs and VTs, and motors or generators. It delivers portability, reduced set-up time, increased safety and better productivity for a job site. It is available to rent from TechRentals.

All ratio and winding resistance tests such as three-phase turn ratio, three-phase winding resistance, auto vector detection, heat-run tests, and more, can be carried out with a single three-phase lead-set connection. The instrument performs DC resistance measurements on all high- and low-side windings without the need for reconnection or a separate switch box.

The MWA330A features Kelvin clamps with adjustable jaws which can open to 100 mm and banana plug input for connection to terminal blocks. This eliminates the need for special lead sets and minimises operator error. Additionally, the unit also features a bright 12″ touch-screen display, PDF report generation, PC interface via USB and an in-built printer.

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