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3910: Protection Routine Maintenance Guide and Testing Per Standard PRC-005

This guide summarizes the NERC PRC-005 addressing types of testing that may be utilized, how often, and how monitoring may contribute to decrease/modified maintenance intervals, while still complying with the NERC standard. Additionally, other topics such as comparison of testing methods, available technologies to automate monitoring, address what type of testing is required, how often, as well as how protection system designs and monitoring contribute to decreased testing frequencies while comp

Jul 8, 2021 - May 10, 2022

PC

Research

50134: Mitigation of Negative Impacts of Solar & Wind DG Connections in Distribution Systems

This report presents a detailed overview of the major issues caused by an extensive proliferation of Distributed Generators (DGs), based on an extensive literature search. The various adverse impactsof DG connectivity are described together with example case studies for addressing these challenges in utility distribution systems. Examples include both actual implementations of remedial measures and simulation studies on realistic distribution networks illustrating the mitigation techniques.Smart

Feb 23, 2016 - Mar 14, 2017

DEP

Research

5173: Electrical Energy Storage in Distribution Systems for Mitigation of Power Quality Issues

This report presents an overview of the state of the art and effectiveness of Energy Storage Systems (ESS) in mitigation of various power quality problems, such as, voltage sags/swells, voltage fluctuations in PV/wind farm connected distribution systems, voltage unbalance, voltage flicker, harmonics, momentary power interruptions, etc.Smart inverter functions are illustrated with applications. The importance of these functions in reducing the need of energy storage capacity for specific PQ mitig

May 20, 2016 - May 16, 2017

PQ

Research

3212: CPF: Lightning Arresters and Active Horn Gaps

Advances in lightning protection technology are leading to a new generation of reliable, low-cost transmission line surge arresters (TLSA) that offer the promise of eliminating lightning outages, possibly without using costly overhead groundwires. Recently, it has been recognized that gapped metal-oxide TLSA give more protection for the same cost as gapless TLSA, have fewer adverse side effects in some conditions and may be the only practical option above 300 kV.This survey report describes the

OTE

Research

3312C: Evaluation of Cost Reduction for Overhead Lines if Ground Wires Are Not Used

This report was prepared to determine the cost reduction for an overhead transmission line if ground wires are not used. The results will be used to complement CEATI Report T023700-3312B "Cost Benefit Analysis for Overhead Lines by Comparing Two Design Alternatives - Overhead Ground Wires versus Surge Arresters."This report gives the cost reduction compared with the cost of towers and their foundations.

Feb 21, 2005 - Jun 30, 2005

OTD

Research

30109: Development of Framework Associated with Data Acquisition and Management for the Creation of a Performance and Diagnostics Center, with a Pilot Project to Prove Concepts

Sep 1, 2015 - Feb 11, 2019

SE

Research

5148: Practical Approaches to Compensating Distribution Circuit Voltage Unbalance

This report assembles a compendium of all approaches to achieve improved voltage balance, both on the utility system and at the customer’s site. Each approach is compared on the basis of its ability to achieve voltage balance. The report identifies commercially available products, describes examples of actual installations, and documents the degree of success at achieving the desired balance levels for those installations. Included in the report is a forward-looking view of potential futur

PQ

Research

3003: Transformer Oil Leak Mitigation Program

This project evaluated various gasket materials with the goal of minimizing or eliminating gasket oil leaks from power station transformers. A series of tests were selected that were designed to provide information on material performance and actual sealing capability of these gasket materials under accelerated long-term service conditions. It examined the effectiveness of a range of oil-resistant and temperature-resistant gaskets materials. It became apparent that a wide range of performance ca

SE

Research

0530C: Biomass Torrefaction/Carbonization Test Program - Phase 1 Part 2: Lab-Scale Determination of Combustion Characteristics

Within the framework of the CEATI SOIG 0530 Biomass Torrefaction/Carbonization Test Program, a diverse set of biomass fuels, together with a reference coal, was extensively analyzed for its suitability as coal-replacing renewable fuel in an existing pulverized-fuel power plant. Within this part of the project, the characterization of the dynamic conversion aspects has been tackled. Tests have been performed in an advanced and versatile test rig (the Lab-scale Combustion Simulator) and have emplo

Jun 13, 2011 - Mar 5, 2012

E&IS

Research

5073: State-of-the-Art Capacitance Meter Comparison

This report critiques the suitability and adequacy of commercially available capacitance meters for use by the line crews to test shunt capacitors on distribution lines. The features, costs and benefits of commercially available instruments are critically reviewed and guidelines for the field-testing of pole mounted shunt capacitors and interpretation of the test results are provided.

DEP

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