Electrical protection device and a method of providing electrical protection
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United States of America Patent
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May 14, 2019
Grant Date -
May 12, 2016
app pub date -
Jun 10, 2014
filing date -
Jun 7, 2013
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Abstract
There is provided an integration of the leakage current functions of an RCD and the voltage sensing functions of other prior art protection devices. By integrating the two capabilities into one decision making system/algorithm, and considering the circuits performance in terms of leakage current as it correlated with elevated protective earth voltages (and vice versa), an embodiment is created which is able to “look into” a protected electrical system and make much more precise and discerning decisions on electrical status and probability of unsafe events. The resultant technology attends to the outstanding issues with the prior art technologies as they stand, and provides a protection solution that covers the entire range of electrical power wiring configurations and the practical complexities of modern electrical works.
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