×

Substation system

  • US 6,832,169 B2
  • Filed: 09/20/2002
  • Issued: 12/14/2004
  • Est. Priority Date: 01/29/2002
  • Status: Expired due to Term
First Claim
Patent Images

1. A substation system comprising a state detector for detecting the state of monitored objects connected to a power system;

  • a controller for controlling controlled objects connected to said power system according to control information;

    a monitor-information creating device for exchanging information with said state detector using digital signals as media and also creating information about the state of said monitored objects; and

    a control-information creating device for creating control information for controlling said controller, converting the created control information alone with received control information into digital signals and transmitting the signals to said controller, wherein said monitor-information creating device and said control-information creating device are connected to a monitoring and controlling device for collecting information about the state of said monitored objects and outputting control information for controlling said controlled objects via a signal transmission path shared by those devices, and exchange information with said monitoring and controlling device using digital signals as media, wherein said monitor-information creating device includes a measuring instrument for measuring the state of said monitored objects and a device monitor for indicating the presence or absence of a problem in said monitored objects; and

    said control-information creating device includes a protector for performing an arithmetical operation to protect said controlled objects and outputting a protection command and a controller for performing an arithmetical operation to control said controlled objects and outputting an operation command.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×