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ELECTRICITY-STORAGE SYSTEM, MONITORING DEVICE, AND POWER CONTROL SYSTEM

  • US 20180159350A1
  • Filed: 01/30/2018
  • Published: 06/07/2018
  • Est. Priority Date: 03/22/2013
  • Status: Active Grant
First Claim
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1. An electricity-storage system comprising:

  • a secondary battery;

    a first connector terminal that is electrically connectable to a power line network;

    a second connector terminal that is electrically connectable to an external device;

    a switcher that switches a supply destination for electrical power from the secondary battery between the first connector terminal and the second connector terminal; and

    a controller thatmakes the switcher switch to the first connector terminal and causes discharge from the secondary battery according to a synchronous scheme in which electrical power is discharged synchronized with a phase of electrical power flowing in the power line network, andmakes the switcher switch to the second connector terminal and causes discharge from the secondary battery according to an asynchronous scheme in which electrical power is discharged at a reference voltage.

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