| 摘要 |
PURPOSE: A wireless bridge communication device which is duplicated in a distribution automation system is provided to enhance the stability by a backup wireless communication unit. CONSTITUTION: A wireless bridge communication device(300) which is duplicated in a distribution automation system comprises the first wireless communication unit(310), the second wireless communication unit(320), an antenna unit(340) and a relay unit. The first wireless communication unit wirelessly relays an automation control signal transceived through an FRTU(Feeder Remote Terminal Unit)(350) or a modem(360). The second wireless communication unit performs the wirelessly relay when the fact that the first wireless communication unit is abnormally not operated is detected.
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