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5098: An Assessment of Distribution System Neutral Grounding Alternatives

This R&D project report compares the alternative techniques for mitigating stray voltage problems originating from utility owned distribution systems; assesses the costs, benefits andrisks associated with each mitigation alternative; and summarizes the findings of thetechnical review of commercially available control devices that permit controlledisolation/bonding of MV and LV neutrals, to prevent transfer of NEV to customerpremises.Keywords:Stray Voltage, Neutral to Earth Voltage (NEV), An

Oct 17, 2011 - Jul 18, 2012

DEP

Research

3125: Dynamic Models for Electric Power Systems in Renewable Resource Integration Studies

This report studies the impact of renewable energy resource intermittency on the dynamical stability of power systems. Renewable resources in this study include solar and wind power. In order to capture the interaction between the intermittent variation in the power output of renewable resources and the controllers in the system, each simulation case runs for 1200 seconds. Furthermore, in addition to the dynamic models that are normally included in typical electromechanical simulations, slow con

Apr 1, 2012 - Jul 2, 2014

PSPO

Research

3284: Emerging Technologies for Enhancing the Application of UAS

The powerline asset management industry has seen a significant increase in the use of unmanned aerial systems (UAS) in recent years. Advancements in sensor technologies have allowed for more widespread usage of UAS platforms for remote sensing applications, allowing powerline companies to obtain more information regarding the current state of various powerline assets (conductor, structures, hardware, right-of-way, etc.) to better assess the health and condition of a power grid network. The avail

Feb 10, 2020 - Jan 19, 2021

OTE

Research

5136: Survey of Utility Practices in Dealing with Common Power Quality Issues for Large Customers

The primary objective of this project was to gather information on utility practices related to management of PQ complaints from large (> 2 MVA) customers. This report begins by briefly reviewing common sources of disruptive PQ events, both on a generic basis and with particular focus on particular industry sectors based on a review of published literature. An overview of applicable Standards is included. Possible strategic choices available to utilities for managing PQ complaints are present

PQ

Research

7066: Residential HVAC Zoning Controls

The goal of this study is to characterize the potential for residential HVAC zone control technologies as a demand side management measure in FortisBC’s service area. FortisBC intends to use this study to determine the feasibility of launching a pilot and ultimately, to offer Energy Efficiency and Conservation funds for these technologies. This study assesses the space heating and cooling energy demand among FortisBC’s residential customers; characterizes market structure and the rel

Feb 18, 2016 - May 15, 2017

ADO

DSM

Research

312USOA: Energy Savings That Result From Water Conservation

ADO

DSM

Research

3390: Best Practices for Design of Transmission Line Structures Located in Water for Protection against Additional Loads Imposed During Floods and Foundation Scour

This report is a best practices guideline for the design of electric power transmission line structure foundations located in or near water. Effects of ground loss due to moving water, increased hydraulic or ice loads, water surface freezing, floating logs and debris and foundation soil liquefaction need to be addressed in design, in addition to structure imparted loads. A literature review, case history summary and industry survey were performed to characterize the conditions, the overall magni

Jun 1, 2013 - May 11, 2015

OTD

Research

0229: Multifractals and Physically Based Estimates of Extreme Floods

The overall goal of this project is to better (statistically) predict floods using a physically based approach, established on systems which respect scale symmetry over a wide range of space-time scales. In addition, this project aims to determine the relationship between flood magnitude and return period for a wide range of aggregation periods. Previous phases of this report have focused on developing this theory and demonstrating it on a data series. This phase of the project consisted of crea

Apr 1, 2012 - May 3, 2013

DSIG

Research

3045: Total Ownership Costs of Substation Equipment

Purchasing equipment based on the lowest initial cost may not always be the most economical choice when all costs associated with a particular piece of equipment are considered in an evaluation. This report identifies all costs associated with owning a piece of equipment. When all the costs are taken into consideration the final analysis provides a dollar value representing the amount of money the Purchaser must have in the bank today to purchase, install, maintain, overhaul and dispose of the

SE

Research

5142C: Harmonic Distortion Level Evolution at Residential PCC in North America, Phase III

In 2000 and 2008, harmonic surveys were performed in Canada to measure the harmonics caused by domestic loads. Each survey was performed over a year in single week intervals for each location; together confirming observations made by Professor Alexander Emanuel in 1995 which revealed that the growth rate of harmonics can be up to 0.35% per year.Although harmonic orders 9 and 15 were the only orders identified as being critical in the 2008 survey, the safety margin allowing for additional domesti

Aug 23, 2014 - Apr 1, 2016

PQ

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