Advanced Distribution Automation

Advanced Distribution Automation

Advanced Distribution Automation is a term coined by the IntelliGrid project in North America to describe the extension of intelligent control over electrical power grid functions to the distribution level and beyond. The electrical power grid is typically separated logically into transmission systems and distribution systems. Electric power transmission systems typically operate above 110kV, whereas Electricity distribution systems operate at lower voltages. Normally, electric utilities with SCADA systems have extensive control over transmission-level equipment, and good control over distribution-level equipment. However, they often are unable to control smaller entities such as Distributed energy resources (DERs), buildings, and homes. It may be advantageous to extend control networks to these systems for a number of reasons:

* Distributed generation is increasingly important in power grids around the world. This generation can help to support local power grids in the presence of blackouts, and ease the load on long-distance transmission lines, but it can also destabilize the grid if not managed correctly Fact|date=July 2008. Usually, utility control centers are unable to manage distributed generators directly, and this may be a valuable capability in the future.
* It may be useful to control industrial and residential loads with a finer level of precision than is currently possible. For example, during periods of peak electrical demand in the summer, the utility control centers may be able to raise the thermostats of houses enrolled in a load reduction program, to temporarily decrease electrical demand from a large number of customers without significantly affecting their comfort. Customers are usually compensated for their participation in such programs.
* Eventually, homes, businesses, and even electric vehicles may be able to receive real-time pricing (RTP) signals from their distribution companies and dynamically adjust their own energy consumption profiles to minimize costs. This would also preserve customer autonomy and mitigate privacy issues.

For a full listing of the capabilities being proposed by the IntelliGrid project, please see the first external link below.

External links

* [http://www.intelligrid.info/IntelliGrid_Architecture/Use_Cases/DO_ADA_Overview.htm IntelliGrid ADA Overview]


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