Method and kit for testing 3-phase supplies onboard of an aircraft
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United States of America Patent
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Sep 25, 2012
Grant Date -
Nov 4, 2010
app pub date -
Nov 29, 2007
filing date -
Nov 29, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention relates to a method for testing power lines and signal lines onboard of an aircraft, wherein the power lines and signal lines normally connect a 3-phase AC motor with the power supply system of the aircraft, and wherein the 3-phase AC motor has separate input terminals onto which, during operation of the 3-phase AC motor onboard of the aircraft, predetermined voltages of predetermined phase difference are to be applied. The method according to the invention comprises the steps of connecting the power lines and signal lines with input terminals (24) of a testing equipment (1), in place of the 3-phase AC motor; applying voltages on the power lines and signal lines; conducting a voltage test, and simultaneously with the voltage test, a phase test by the testing equipment (1) in respect of whether the voltages and the phase difference of the voltages applied to the power lines and signal lines is equal to the predetermined voltages and the predetermined phase difference. The invention further relates to a kit comprising a testing equipment (1) and a plurality of adapters (5).
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