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Friday, 05 February 2016 10:29

Megger’s complete transformer testing solution

Megger’s complete transformer testing solution Image by Megger

Megger has developed the innovative family of TRAX test sets in response to the growing demand for easily transportable substation test systems. The TRAX220 is the lightest test set of its type, weighing just 32 kg. All models feature compact construction, but they make no performance compromises and provide results as dependable as those obtained from separate instruments.

Optimised for transformer and general substation testing, TRAX test sets can perform more than 20 different test functions including measurement of winding resistance, turns ratio, excitation current, short-circuit impedance, tan delta, capacitance, frequency response of stray losses, CT and VT testing, and circuit breaker timing and motion analysis.

TRAX test sets can generate and measure a wide range of currents and voltages with high precision. The TRAX220 has a maximum AC output capability of 200 A, while the TRAX280 extends this to 800 A. This can be further extended to 2000 A with an optional current booster. Users have a choice of manual control or guided testing using built-in “apps”.

Each app implements a specific test function – for example, turns ratio measurement – and automatically configures the instrument. All unnecessary information is removed from the display with only information relevant to the test in hand remaining. This app-based approach makes TRAX test sets easy to work with, and eliminates the need for extensive user training.

Other key features of Megger’s new and innovative TRAX test sets include state-of-the-art transformer winding resistance measurements with test currents up to 100 A true DC at up to 50 V compliance voltage; dynamic on-load tap changer (OLTC) measurements; exceptional interference suppression to secure accurate readings even in high noise switchyards. Other benefits include a wide operating frequency range of 5 to 500 Hz, individual temperature correction of tan delta measurements using Megger’s patented technology and automatic voltage dependence detection.

Source: Megger

Additional Info

  • Continent: Europe
  • Category: Business