Southern California Edison High-Penetration Photovoltaic Project

Southern California Edison High-Penetration Photovoltaic Project

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Original publisher: Golden, Colo.: National Renewable Energy Laboratory, [2011] OCLC Number: (OCoLC)744860902 Subject: Photovoltaic power systems -- California, Southern -- Testing. Excerpt: ... volt / VAr control, ( 2 ) utilization of community-level energy storage for distribution constraint management, and ( 3 ) advanced control and protection strategies for self-healing circuits. Substation URCI URCI Circuit 1 CB 4 3 CB. RCS I I Circuit.. 2 Battery Storage... Circuit Breaker CB.... Universal remote control.... interruption device ( URCI ) Large Transportable Remote control switch ( RCS ) I I Energy Storage 1 2 Distribution XFMR URCI URCI Figure 2-5. Schematic diagram of ISGD project [ 6 ]. 2.5 Advanced PV Inverter Features The following is a list of targeted and desired advanced features to be supported by intelligent PV inverters in order to reduce ( or eliminate ) adverse impact on power quality of the system as well as to enhance interaction with the grid. The recommended features are based on discussions with SCE distribution engineers and / or collected from review of relevant literature on the subject. For each feature, the control / operation objectives and expected impacts are described. 2.5.1 Target Feature: Voltage Regulation Objective: To regulate the voltage at the point of common coupling during PV output fluctuations to maintain the voltage profile of the feeder within acceptable range. Quantity ( ies ) involved: Inverter voltage and reactive power output; voltage at PCC. Expected positive impact ( s ): Eliminate or reduce impact of a PV system on feeder voltage variations and support voltage quality at the customer site, especially for PV system installations toward the end of a feeder. The PV inverter can potentially act as an active filter to mitigate other power quality issues caused by non-linear loads, such as flicker and voltage sag / swell. 10Original publisher: Golden, Colo.

Title:Southern California Edison High-Penetration Photovoltaic Project
Author: U.S. Government
Publisher:Books LLC - 2011-10

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