RELAY SYSTEM
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United States of America Patent
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Issued Date -
Oct 6, 2016
app pub date -
Mar 31, 2016
filing date -
Mar 31, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A relay system includes a plurality of relays that is provided between a power supply unit supplying electric power and a load acting by receiving the electric power supplied from the power supply unit to switch between conduction and interruption of the electric power supplied from the power supply unit to the load, each of the relays having an exciting coil, a control unit that controls switching between application of current to the exciting coils and interruption of the current, first switches that separately excite the exciting coils, and a second switch that is connected between the exciting coils. The control unit controls turning on and off the first switches and the second switch to switch the exciting coils between parallel connection and series connection.
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