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Germany leads the world in deployment of DPV, with PV generation contributing approximately 40% of peak power demand during some hours of the year. This article outlines the impacts of high PV deployment in Germany on grid stability and power flows in the transmission and distribution system. It also highlights practical solutions that Germany has implemented to support frequency and voltage control and reduce congestion, and suggests new voltage-control strategies.
Located in Topics & Resources / Grid Planning, Integration, & Operations / Grid Planning, Integration, & Operations folder
IEEE 1547 was introduced in 2003 when DER penetration was low in most places. As some regions like Germany, California, and Hawaii reach higher levels of DG penetrations, alterations to IEEE 1547 are required. IEEE has fast-tracked the development of a full-revision of 1547 to maintain cross-system compatibility; drafts of the new version enhance the capabilities of DER to provide grid support, voltage ride-through, and reactive power modes for generators in high-penetration contexts. The updated version is currently an active draft, the full version will be released in 2018. 1547.1 provides engineers with interconnection system testing guidelines and will also be updated. Both 1547 and 1547.1 are recognized by UL 1741 and are to be used in conjunction.
Located in Topics & Resources / Grid Planning, Integration, & Operations / Grid Planning, Integration, & Operations folder
IEEE 1547 was introduced in 2003 when DER penetration was low in most places. As some regions like Germany, California, and Hawaii reach higher levels of DG penetrations, alterations to IEEE 1547 are required. IEEE has fast-tracked the development of a full-revision of 1547 to maintain cross-system compatibility; drafts of the new version enhance the capabilities of DER to provide grid support, voltage ride-through, and reactive power modes for generators in high-penetration contexts. The updated version is currently an active draft, the full version will be released in 2018. 1547.1 provides engineers with interconnection system testing guidelines and will also be updated. Both 1547 and 1547.1 are recognized by UL 1741 and are to be used in conjunction.
Located in Topics & Resources / Grid Planning, Integration, & Operations / Grid Planning, Integration, & Operations folder
Germany leads the world in deployment of distributed PV, with PV generation contributing approximately 40% of peak power demand during some hours of the year. This article outlines the impacts of high PV deployment in Germany on grid stability and power flows in the transmission and distribution system. It also highlights practical solutions that Germany has implemented to support frequency and voltage control and reduce congestion, and suggests new concepts for voltage-control strategies.
Located in Integration Topics / Distributed Generation / Distributed Generation folder
Standard IEEE 1547 is an example of an interconnection standard (commonly used in North American power systems) providing technical rules for interconnecting distributed generation resources with the electric grid. The standard’s guide introduces the background and rationale for the technical requirements, facilitates use of the standard by characterizing distributed resource technologies and related interconnection issues, and provides approaches and information to support interconnection and implementation. The standard was updated in 2014 with an amendment providing existing information on voltage, voltage regulation, and frequency.
Located in Integration Topics / Distributed Generation / Distributed Generation folder
This document explores the benefits of expanding co-optimization of energy and ancillary services to hydropower. The author builds off of practices currently enacted for conventional generators and demonstrates that co-optimization improves the economics of hydropower plants.
Located in Integration Topics / Flexible Generation / Flexible Generation folder
New Recorded Webinar: Best Practices for Grid Codes for Renewable Energy Generators
A recording of the webinar "Best Practices for Grid Codes for Renewable Energy Generators" has been published. The webinar explains in detail the purpose and key elements of grid codes, explores the evolving challenges to the grid that have prompted new and more rigorous grid codes and highlights the development of grid codes within the United States and internationally.
Located in News and Events
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