Method and a device for impressing a measuring-signal voltage on a power supply network
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United States of America Patent
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Oct 13, 2015
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Jan 24, 2013
app pub date -
Jul 18, 2012
filing date -
Jul 20, 2011
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Abstract
A method and device for impressing a measuring-signal voltage (U) on a power supply network in which a generator signal (Usig) is alternately sampled by two sample-and-hold elements (20, S1, S3), the sampled values are alternately allocated to a first pulse sequence (P1) and a second pulse sequence (P2), the pulse sequences (P1, P2) are separately inductively transmitted and the secondary-side measuring-signal voltage (U) is formed by adding the induced partial voltages (U1, U2) together.
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