Sub-transmission and distribution power grid systems were not originally designed for bi-directional power flow or to accommodate power generated from distributed energy resources (DERs). These constraints make it difficult to cost-effectively integrate DERs such as distributed solar into the power grid.
A new tool currently under development by the Pacific Northwest National Laboratory (PNNL) is designed to help planners and grid operators integrate greater penetrations of distributed solar. The tool, a Coordinated Real-time Sub-Transmission Volt-Var Control Tool (CReST-VCT), is being built based on algorithms that can coordinate the control logic of the existing grid’s reactive power compensation devices from the sub-transmission system to the distribution system, along with required volt-ampere reactive support from distributed solar. CReST-VCT is being developed in partnership with North Carolina State University, the University of Texas, GE Global Research, One-Cycle Control, and Duke Energy and is funded by the U.S. Department of Energy, Solar Energy Technologies Office.
In this webinar, Nader Samaan, a power systems engineer and the lead for PNNL’s Grid Analytics team, will present CReST-VCT and how it works in a real-world use case for Duke Energy.
Presenter: Nader Samaan, Staff Power Systems Research Engineer, Pacific Northwest National Laboratory
Host: Nate Hausman, Project Director, CESA
This webinar is presented by the Clean Energy States Alliance (CESA) as part of CESA’s Multistate Initiative to Develop Solar in Locations that Provide Benefits to the Grid. Learn more about this project at https://www.cesa.org/projects/locational-value-of-distributed-energy-resources/.