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1138 results about "Distribution power system" patented technology

Power Distribution System. A distribution substation is located near or inside city/town/village/industrial area. It receives power from a transmission network. The high voltage from the transmission line is then stepped down by a step-down transformer to the primary distribution level voltage.

Protective device for an electrical supply facility

The present invention is directed to an electrical device configured to be disposed in an electrical distribution system between a source of electrical power and an electrical load. The electrical distribution system includes at least one line hot conductor, a line neutral conductor, and a line ground conductor. The line neutral conductor and the line ground conductor are connected to earth ground at a termination point in the electrical distribution system. The electrical load includes at least one load hot conductor, a load neutral conductor, and a load ground conductor. The device comprises a power supply coupled to the power input mechanism. The power supply comprises at least one DC voltage output terminal and a reference terminal coupled to the line ground termination element. A voltage parameter detection circuit is configured to take a first voltage reading from a first termination element of the plurality of line termination elements and a second voltage reading from a second termination element of the plurality of line termination elements to derive at least one voltage parameter therefrom. The first voltage reading and the second voltage reading are referenced to the reference terminal. The circuit interrupter is driven into the tripped state if the at least one voltage parameter does not meet a predetermined condition, the voltage parameter detection circuit being operational when the reference terminal is not at an earth ground potential.

Method and apparatus for control of an electric power distribution system in response to circuit abnormalities

InactiveUS20050251296A1Efficiently and flexibly respondImprove reconfigurabilityMechanical power/torque controlLevel controlReconfigurabilityDistribution power system
A methodology and related system apparatus is provided for using and coordinating the use of information conveyed over communications to most efficiently and flexibly respond to abnormalities to reconfigure and restore service to end customers in commodity distribution systems in a manner to enhance the reconfigurability of the distribution system, e.g. circuit reconfiguration in an electrical power distribution system. Methodology is also provided to appropriately allocate system resources of the distribution system when so desired, e.g. to prevent the potential overloading of electrical power sources. In one illustrative arrangement, the methodology is characterized by resources at each node and communications of source allocation data or messages to other nodes to request and establish an appropriate allocation of system resources. In a preferred arrangement and especially useful for larger distribution systems, “teams” of nodes are defined in the distribution system having associated switching controls with the various teams communicating amongst each other to “negotiate” or work out the most efficient and expeditious reconfiguration of the system in response to fault conditions and other circuit abnormalities.
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