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‌3 Communications Architecture Overview‌

‌3.2 Scenarios

Lines 177-183

Note that the notion of a DER in CSIP is logical concept generally thought of as one or more physical inverters organized and operating as a single system with a common point of aggregation behind a single point of common coupling (PCC) with the utility. This allows the management of a plant/system possessing a single PCC regardless of whether it is composed of a single inverter or many. It is the responsibility of the management system to manage the underlying inverters to meet the requirements of the settings provided by the utility server.

A DER client at each site must be able to control and measure the site power export at the PCC. DERs on a site behind the point of common coupling may be controlled independently, however only one DER on a site SHALL be used to control and measure the import and export power to the grid.

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