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IEEE 1885-2022

$42.79

IEEE Guide for Assessing, Measuring, and Verifying Volt-Var Control and Optimization on Distribution Systems

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IEEE 2022
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New IEEE Standard – Active. Electric utilities are seeking to improve the overall efficiency and performance of the distribution system while helping to achieve energy and demand savings. Distribution volt-var optimization (VVO) can play a major role in accomplishing these objectives while maintaining safety, preserving assets, and meeting all operating constraints such as loading and voltage levels. Initial studies and experience show there is significant potential for energy savings, demand management and loss reduction through improved management of distribution voltage profiles and reactive power flow. Consistent methods are needed for verifying the benefits achieved by VVO systems that have already been implemented. Guidelines for modeling system loads as well as distributed resources and their response to voltage and var changes are needed along with methods for performing the evaluations to estimate total benefits. These benefits can then be evaluated as a function of the investment requirements for the improved VVO on a feeder by feeder or substation by substation basis and deployment priorities can be developed.

PDF Catalog

PDF Pages PDF Title
1 IEEE Std 1885™-2022 Front cover
2 Title page
4 Important Notices and Disclaimers Concerning IEEE Standards Documents
8 Participants
10 Introduction
11 Contents
12 1. Overview
13 1.1 Scope
1.2 Purpose
1.3 Word usage
2. Normative references
3. Definitions, acronyms, and abbreviations
3.1 Definitions
14 3.2 Acronyms and abbreviations
15 4. Determining VVO CVR savings
4.1 VVO objectives and benefits
4.2 VVO CVR KPIs and metrics
16 4.3 Example measurements for evaluating CVR performance
17 4.4 Developing a baseline voltage profile
18 4.5 Daily and hourly average voltage sampling
4.6 Selecting feeders/substations for VVO/CVR deployment
20 5. Measurement and verification (M&V) methods to estimate the potential energy savings of VVO CVR systems
5.1 Estimating demand and energy savings prior to implementing a VVO CVR system
27 5.2 Estimating energy savings after implementing a VVO CVR system
38 5.3 Estimating demand reduction potential using similar circuit assessment
43 5.4 Sustainability of CVR benefits
44 Annex A (informative) Using models for load-to-voltage sensitivity (LTVS)
A.1 Using models for LTVS
A.2 Determining aggregate LTVS factors
48 A.3 Volt-var control (VVC) and optimization overview
52 A.4 Approaches to VVO
57 Annex B (informative) Bibliography
58 Back cover
IEEE 1885-2022
$42.79