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3320: Reliability Based Calibration Model for Steel Latticed Transmission Towers: A Guide for Utility Engineers

Reliability based design can be used to provide a balanced design in terms of the probabilistic loads and strengths selected. The objective of this project was to develop a step by step tool (in the form of a spreadsheet program) which could be used to determine the probability of failure of a structure in a transmission line. This simplified method for determining a reliability index can be used to calibrate and compare the structural reliability of transmission line towers subjected to differe

OTD

Research

3387: Transmission Line Monitoring Package for Extreme Events

Continuous monitoring of overhead transmission lines has expanded from measures of terminal electrical properties (voltages, currents) to include mechanical and environmental measures along the line. The new, so-called Smart Grid data, can allow early identification of imminent dangers with sufficient lead time to take the appropriate remedial actions. The most frequent extreme event faced by typical power lines is a combination of low wind speed and high ambient temperature, correlated with pea

Jun 25, 2012 - Jun 1, 2014

OTD

Research

30147: Application and Future of Transformer On-Line Insulating Oil Analysis Instrument Technology

This proposed project will provide a brief background to both formal laboratory testing, on-line instrument technology and the associated analysis tools. Following this, the project will aim to provide an insight into the state of the art associated with on-line oil analysis instruments and this insight will be compared to a survey of utilities focused on practices around on-line and laboratory testing and analysis. Based on these results, the project will address several key questions and issue

SE

Research

3211: CPF: Dampers, Wear Patterns, Replacement Programs

This report describes the most common damper types used on overhead transmission lines asprotection against the harmful effects of Aeolian vibrations as well as their typical modes ofdeterioration, causes, possible consequences on line integrity and replacement urgency. It includes astate‐of‐the art catalogue of most commercial vibration dampers currently available in the sponsors’countries. The report concludes on the advantages/disadvantages of each damper type and otherfactors that shou

OTE

Research

5143B-08: Ferroresonance Case Study

Ferroresonance is a term generally applied to a wide variety of interactions between capacitors and iron-core inductors that result in unusual voltages and/or currents. In linear circuits, resonance occurs when the capacitive reactance equals the inductive reactance at the frequency at which the circuit is excited. Iron-core inductors have a nonlinear characteristic and therefore a range of inductance values. This relationship may lead to a number of operating conditions where the inductive reac

PQ

Research

0209A: Debris Yield Reduction by Management

This volume marks one of a series of reports on the subject of the impact and mitigation of debrisas it affects hydro-electric dams during flood events. These reports are available from CEATIInternational Inc. both separately and as a package. Part 1: Debris Yield Reduction by Management [T052700-0209A/1]The overall objectives of this project were: (a) to investigate existing methods of estimating potentialdebris yield, and (b) to investigate the various measures and practices of debris yie

DSIG

Research

0254: Best Practices for Dam Breach Inundation Mapping

This report is a best-practices guideline for the development of dam breach inundation maps. A literature review, industry interviews, and gap analysis were performed to identify the state of the industry for developing and using inundation maps. The report is organized according to the steps for performing dam breach inundation studies, documenting the results through reporting and mapping, and using the results as a basis for outreach and emergency action planning.State-of-the-practice methodo

Dec 10, 2019 - Jan 18, 2024

DS

Research

4303: Electrical Safety Program Best Practices for The Power Industry

GL

H&S

Research

8001: Navigating the Path to Utility Innovation Amid Regulatory Constraints

The energy transition demands a new way of engaging regulators, stakeholders, and legislators. Utilities must rethink traditional approaches to align with emerging technologies, urgent climate goals, and evolving community expectations.This whitepaper highlights a series of case studies illustrating how utilities are addressing three key drivers of change:Load GrowthRenewable Energy IntegrationResiliencyThe examples presented offer takeaways for utilities to consider in their own territories.

Aug 12, 2024 - Feb 12, 2025

EEF

Research

5003: Development Of An Internal Fault Detector For Pole-Top Distribution Transformers

This report describes the design and development of the Internal Fault Detector (IFD) for installation in the sidewall of an overhead distribution transformer. The IFD is a safety device that can be seen clearly from the ground in daylight, and during the night with a hand-held flashlight. When activated by an internal arcing fault, it signals to the line crews the presence of potentially hazardous conditions, thereby preventing any attempt to re-energize the faulted unit. When an IFD is install

DEP

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