DV Power – Three-Phase Winding Ohmmeters & Tap Changer & Winding Analyzers TWA 40D

Price Each

(exc. GST)

 Resistance measurement of all tap positions in all
six windings performed in a single test
 True three-phase on-load tap changer dynamic
resistance measurement
 Extremely quick measurement, single-step cable setup
 Automatic discharge process
 Rapid automatic demagnetization
 Built-in tap changer control unit
 Temperature measurement channel

Winding Resistance Measurement
 Test currents: 5 mA – 40 A DC (TWA40D)
 Output voltage: up to 55 V DC
 Measurement range: 0,1 μΩ – 10 kΩ
 Typical accuracy: ± (0,1 % rdg + 0,1 % F.S.)

AC Current Measurement Channel (TWA40D)
 Resolution: 0,1 ms
 Amplitude resolution: 16 bit

Distributor DV-Power TWA-40D di Indonesia PT. Bintang Delta Mandiri

Description

The Tap Changer & Winding Analyzer TWA40D 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 single-step cable setup, with test currents of up to 40 A. Each transformer configuration has a special measurement algorithm which is optimized for the fast stabilization of test results.

Additional testing mode, Quick YN, is enabled by the DV-Win software. In this mode, it is possible to measure the resistances of three transformer windings in the YN configuration simultaneously. It is also possible to test the resistances of all tap changer positions of all three phases in a single pass through the tap changer positions.

Distributor DV-Power TWA-40D di Indonesia  PT. Bintang Delta Mandiri

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