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Welcome, Guest Log In | Program 1 Home | MyPQ License | EPRI.com Home PQ Library ▼ Applications Briefs Case Studies Commentaries EPRI PQ Products Meeting Archive PQ Color Book PQ Hotline Archive PQ Hotline Calls of the Month PQ News PQ Two-Pagers Signature Journal Solutions TechWatch PQ Tools ▼ Grid-Side Solutions News Builder PQ Forum PQ Hotline: Ask the Experts Definitions of PQ Terms PQ CALCULATORS Conductor Derating Power Factor Correction Voltage Drop Learning Center ▼ Video Center PQ in Transmission and Distribution Standards & Guidance PQ Standards Groups Products & Services ▼ SEMI F47 Testing Power Quality Services EPRI PQ Software Open PQ Dashboard PQStandards (IEEE SCC-22) PQView Staff Bios About MyPQ Help You Are Here: XDescribe the feature. Include Other EPRI.com PQ Products Welcome to the EPRI Power Quality Online Resource Center! This site is provided for the benefit of funders of the EPRI Power Quality Knowledge (PQK) supplemental project. For those seeking to learn more about EPRI PQ Knowledge, please contact me, Bill Howe , Program Manager of Power Quality research for EPRI. If you are a PQK funder and have not subscribed to this resource center, register today. For more information about subscribing to this site, please contact Bill Howe . How to Use the TIP Subscription Service EPRI’s TIP Subscription is a customized, bi-weekly subscription email that delivers information about the programs you choose. This document explains how to use this service. Download Now In PQ News : Call of the Month for October 2023 Via EPRI’s PQ Knowledge (PQK) Power Quality Hotline, a PQK member shared the findings of an investigation into why nearly all of the traffic lights in Glasgow, Scotland, failed on the morning of August 24, 2021. Glasgow officials asked, What could cause such damage across an entire city?!” This second part of a two-part series further explores SSOs and their history of causing problems on the grid. Most Popular PQ Documents (Based on Clicks) AFCI Nuisance Tripping After Completion of New Construction Analysis of DC Drive Problems at a Ski Lift Power Quality Investigation Reveals Saboteur as Most Likely ... Sub-Synchronous Oscillations Cause City-Wide Failure of Traf ... The Manual for a Motor Drive Provides Solutions for Drive Ma ... P1 Update The P1 Update keeps members of Program 1 abreast of projects, supplemental projects, and other activities in the program, including a year-at-a-glance calendar. View the P1 Update EPRI Industrial PQ Training Videos As a follow-up to our Industrial Power Quality training classes, we have posted these complementary training videos to help solidify the concepts for both utility members and their customers. The top three are listed here. Visualizing PQ Drive Parameters for Improved Voltage Sag Ride-Through This video demonstrates the voltage sag susceptibility of AC drive systems and how to improve the drive’s robustness through parameter changes. Understanding PLC Voltage Sag Ride-through: AC and DC Powered Systems This video demonstrates the differences in voltage sag ride-through between an AC powered PLC system and a DC Powered PLC system. Power Conditioning to Enhance Control System Voltage Sag Ride-Through: The Constant-Voltage Transformer This video shows how a CVT can be utilized to harden the voltage sag response of an automated control system. See All Videos Careers | Contact EPRI | Copyright Policy | Privacy Statement | Terms of Use 800.313.3774 or 650.855.2121 EPRI 3420 Hillview Avenue, Palo Alto, California 94304 © Electric Power Research Institute, Inc. 2001- All rights reserved tag....