Automated emergency power supply test using engine exhaust temperature
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United States of America Patent
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Dec 30, 2014
Grant Date -
May 3, 2012
app pub date -
Nov 2, 2010
filing date -
Nov 2, 2010
priority date (Note) -
Withdrawn
status (Latency Note)
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Abstract
An automated emergency power supply system (EPSS) and testing solution that records generator load values and engine exhaust temperature values to evaluate whether an EPSS test satisfies legislated test criteria. The EPSS test is carried out under software control, which initiates a test by instructing an automatic transfer switch (ATS) to change its status to a test status, causing the essential loads to be powered by a generator instead of a main utility power source. Power monitors record the ATS and generator status during the test as well as electrical parameter data from the ATS and generator and exhaust temperature data and other engine parameter data from the generator. When the test is concluded, the ATS is instructed to return the status to normal so that power delivery is resumed from the main power source. The electrical and engine parameter data is analyzed and compared against legislated test criteria to determine a pass/fail result of the EPSS test.
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