Testing method for a ground fault detector
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United States of America Patent
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Oct 5, 2010
Grant Date -
Apr 2, 2009
app pub date -
Sep 28, 2007
filing date -
Sep 28, 2007
priority date (Note) -
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Abstract
A testing system for a ground fault detection system of an electrical system of a machine is disclosed. The testing system has a low voltage power source, the low voltage power source capable of operation that is independent from a high voltage power source of the machine. The testing system also has a variable current source that is permanently connected to a positive voltage bus or to a negative voltage bus of the electrical system of the machine, where the machine operates self-sufficiently. The testing system also has a controller connected to the variable current source. The testing system also has an input device, where the input device is connected to the controller.
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