EPIC 2.03 PG&E Smart Inverters Modeling Project

Applications of DER Advanced Functions and Settings Devin Van Zandt, EPRI August 28, 2019 ITWG Meeting w w w . e p r i . c o 2019 Electric Power Research Institute, Inc. All rights reserved. m NYSERDA PON 3770 - Smart Inverter Settings Guidance for High Performing Smart Grid Applications Research Questions What do IEEE 1547-2018 inverter settings mean to me? How effective are inverter functions for specific applications? What are the key considerations related to choosing functions and settings? What is the method to choose the best settings and functions for my applications? Scope/Approach Examine past simulation work related to inverter settings Technical considerations for selection of functions and settings Identify key factors and Settings Performance Produce a methodology for efficiently choosing the best

settings Expected Outcome Application guidelines and a method/tool for determining settings for a variety of applications Improved understanding of impacts to maximize technical, policy, and business goals Generalized Inverter Function and Settings Guidance 2 ww w.epri.co m 2019 Electric Power Research Institute, Inc. All rights reserved. Task 1 Develop Current Landscape Assess the current standards (US and International)

IEEE 1547-2018, CA R21, HI R14, Australia (AS/NZS 4777), German VDE, etc. Functions? Default settings? Survey utilities Develop survey questions Distribute to NYS utilities and also broader EPRI community Literature search on previous research 3 Mine past research into inverter settings modeling Develop relationships between settings and impacts/outcomes

ww w.epri.co m 2019 Electric Power Research Institute, Inc. All rights reserved. German VDE Standard Comparison of Default Volt-var Settings for Several Standards Default Volt-var Settings 4 ww w.epri.co m General IEEE 1547-2018 Cat A

Cat B 0 0 0 0 2019 Electric Power Research Institute, Inc. All rights reserved. USA California CA 21 Hawaii HI 14 Australia AS/NSZ 4777.2

Italy CEI 0-16 Austria TOR D4 Advanced Function Actually Required in Field Today* Utility/Region Required Activated Notes PG&E, SCE, SDG&E Idaho Power Hawaiian Electric Company (HECO) Function Volt-var (similar to CA Rule 21)must be able to accept external commands CA Rule 21 Volt-var

Tailored Volt-var HI Rule 14 Volt-var Germany DSOs Volt-var, Q(P) Endeavour Energy, Australia NY Utilities Volt-var Unity PF where possible, no advanced functions Ameren, ComEd, MidAmerican Associated with FEJA, up to 2MW projects initially Since July 2018, applies to all systems Applies to large, utility scale systems Since Jan. 2017, Volt-watt on selected systems One DSO requires comms for >500kVA allowing settings adjustments

Per AS/NZS 4777 Some demonstrations and considering in the future *This is not a comprehensive list and reflects data collection in progress 5 ww w.epri.co m 2019 Electric Power Research Institute, Inc. All rights reserved. Survey Objectives Statistics

39 utilities participated in online survey Performed interviews for Avangrid, Orange & Rockland, Con Edison Central Hudson and National Grid provided survey results Initial findings 6 Understand current usage of advanced DER functions What is being considered in the future? What are primary objectives for usage? Voltage considerations are generally most important 70% dont have a policy, but plan to have one in the future Less than 45% of utilities have evaluated advanced functions

Limited confidence in the tools to accurately model ww w.epri.co m 2019 Electric Power Research Institute, Inc. All rights reserved. Some Survey Responses 7 ww w.epri.co m 2019 Electric Power Research Institute, Inc. All rights reserved. 8 ww w.epri.co m 2019 Electric Power Research Institute, Inc. All rights reserved. 9

ww w.epri.co m 2019 Electric Power Research Institute, Inc. All rights reserved. 10 ww w.epri.co m 2019 Electric Power Research Institute, Inc. All rights reserved. TogetherShaping the Future of Electricity 11 ww w.epri.co m 2019 Electric Power Research Institute, Inc. All rights reserved.

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