System and method for testing electrical equipment used in a power system
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United States of America Patent
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Jul 28, 2015
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N/A
app pub date -
Jun 18, 2012
filing date -
Jul 30, 2007
priority date (Note) -
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Abstract
A system and method are provided for using a class H amplifier in a tester for testing protective relaying equipment, particularly useful in conducting end to end testing. The class H amplifier is configured to provide separation between the amplifier and the power supply of the tester using a DSP which also offers flexibility for programming algorithms to realize efficiencies in matching the waveform to the output rail. End to end testing is also improved by including expected results for the test case used by the tester to enable the tester to determine how close the results are to what is expected. This offers time savings and is less prone to error in that the expected results can be predetermined by a qualified/experienced professional.
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