DEVICE FOR COMMANDING/CONTROLLING A SOURCE CHANGEOVER SWITCH
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United States of America Patent
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Jul 26, 2017
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Jul 27, 2016
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Abstract
A device is intended to monitor/control switches that are arranged to connect at least two electrical power sources to an electrical load depending on the availability of the sources. The device includes monitoring/control circuits; a supply bus; first and second voltage converters arranged to respectively convert a first voltage of the first power source and a second voltage of the second power source to an intermediate voltage for supplying the supply bus; and a third voltage converter arranged to convert the voltage of the supply bus to a useful voltage for supplying the monitoring/control circuits. A source changeover switch can include such a device and to a method can supply the monitoring/control device with power.
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