Method of implementation of peak hold in a phasing voltmeter
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United States of America Patent
Stats
-
Oct 31, 2017
Grant Date -
Mar 21, 2013
app pub date -
Sep 21, 2011
filing date -
Sep 21, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A high voltage phasing voltmeter comprises first and second probes. Each probe comprises an electrode for contacting a high voltage electrical conductor. The electrodes are connected in series with a resistor. A meter comprises a housing enclosing an electrical circuit for measuring true rms voltage. The electrical circuit comprises an input circuit for connection to the first and second probes and developing a scaled voltage representing measured voltage across the electrodes. A converter circuit converts the scaled voltage to a DC signal representing true rms value of the measured voltage. A peak hold circuit is connected to the converter circuit to hold a peak value of the true rms value. A display is connected to the peak hold circuit for displaying the peak value of the true rms value.
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