Tap Changer Analyzer
DVpower DV Power TWA40D (40 A)
DVpower
DV Power TWA40D (40 A)
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DV Power TWA40D  Tap Changer & Winding Analyzer is designed for six-winding resistance measurement and simultaneous three phase on-load tap changer analysis of both the primary and the secondary transformer windings. This is performed with a one singlestep cable setup, with test currents of up to 40A.
Each transformer configuration has a special measurement algorithm which is optimized for the fast stabilization of test results. The TWA40D generates a true DC ripple-free current. Both the injection of the current and the discharge of energy from the magnetic circuit are automatically regulated.

Standard set: instrument, ground cable, USB cable, software, tap changer
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Main features
Measuring range
0,1 μΩ ... 2 kΩ
Test current
5 mA ... 40 A
Basic accuracy
0,1 %
Suitable for inductive resistance

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Number of channels
6
Suitable for active resistance

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Tap changer

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Demagnetization

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Additional features
LCD display

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RS232

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USB

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Dimmensions
480 x 197 x 395 mm
Software

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Mains power supply

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