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System for utility demand monitoring and control

  • US 5,818,725 A
  • Filed: 01/21/1997
  • Issued: 10/06/1998
  • Est. Priority Date: 08/11/1993
  • Status: Expired due to Term
First Claim
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1. A system for utility demand monitoring and control comprising:

  • a host computer having access to power utility customers for receiving customer utility usage data;

    a plurality of network interfaces, each network interface associated with at least one customer'"'"'s facility for relaying customer utility demand as collected from industrial equipment by a power monitoring unit;

    a facility network connecting each power monitoring unit with a plurality of utility data collection units within said site for providing data on utility usage to the network interface associated with the facility; and

    a distribution network, coupled to said host computer, interconnecting said plurality of network interfaces for transmitting utility usage data from said plurality of network interfaces to said host computer, said distribution network being implemented within one or more time slots of a time-division multiplexed data stream carried by a high-speed digital bus, said one or more time slots carrying data in packet form, all network interfaces of said distribution network sharing said one or more slots.

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