The Megger TTR330 Three-Phase Transformer Turns Ratio Test Set offers a new user interface which allows the operator to interact with the PowerDB ONBOARD software system via full QWERTY and navigation keypads as displayed on an 8.4” VGA bright-color screen. An advanced feature of the Megger TTR330 allows the user to customize test forms via optional full-version PowerDB. Megger TTR330 testing procedures and storage capability allows an operator to set up and test difficult three-phase transformers (with multiple tap changers and bushing CTs) in a fraction of the time than it used to take with other TTRs. This test also includes a pass/fail limit of individual ratios.
Megger TTR330 features
Stand-alone or remote-control operation
Accurately measures ratio, phase deviation and excitation current
Field upgradeable without compromise to calibration
Built-in capability for storing and downloading test results in an XML format, via RS-232, Ethernet or USB ports (depending on model)
Works in the presence of high interference/high voltage
Highest ratio measurement (45,000:1); highest accuracy (0.1%)
Displays % error vs. name plate with pass/fail limits
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Megger TTR330 Three-Phase Transformer Turns Ratio Test Set Datasheet
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Megger TTR330 Three-Phase Transformer Turns Ratio Test Set User Guide
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