Distribution Automation/Communications Track
Moderator: Dan Nordell
Co-Moderators: Pete Malamen, Tom Guttormson
Improving Distribution System Reliability with High-Density Coordination and Automatic System Restoration
Cole Salo, Schweitzer Engineering Laboratories, Inc.
This presentation discusses the concept of high-density coordination and immediate partial system restoration that is not reliant on peer-to-peer communications. It also discusses how this approach complements a distribution automation system that automatically isolates faults and restores as much of the distribution system as possible.
Modeling of a Networked 220Hz Power Line Carrier Load Management System
Joe Hensel, Will Lovelace, Minnkota Power Cooperative, Inc.
In order to support planning and operation of its load management system that relies on high-voltage transmission, Minnkota developed a 220Hz networked model. Challenges included modeling injection systems and end-use equipment.
Systems Architecture for Grid Modernization and Distributed Resources
Jeremy Laundergan, EnerNex
Distributed Energy Resources (DER) technologies are critical to achieving renewable and climate goals. This presentation will review a conceptual systems architecture for grid modernization and identify the interfaces and standards for customers, DER aggregators, and utilities.
Assessment of CVR Effectiveness for Demand Response Operations
Tom Guttormson, Connexus Energy
Mr. Guttormson will present the effectiveness of demand response achieved with CVR operation at Connexus Energy, a MN distribution cooperative. Content will include methodology for determining operational effectiveness and assessing economic benefit.
Project Management Track
Moderator: Greg Schutte
Co-Moderators: Bethlyn Cummings, Sarah Simpson
Supply Chain Vulnerability and Resilience
Tony Serati, Border States
We live in a global economy susceptible to wild fluctuations in supply and demand. We will discuss current supply chain risks and constraints and how we can work together to improve the supply chain of the future.
Staying Competitive: A Scalable Approach to Program Management
Jamie Stahulak, HDR Engineering, Inc.
Program management is scalable. This breakout session will discuss the difference in program management approach based on the size of the program. Topics discussed will include organization structure, resource planning, and procedure and training development specific to the program.
Risk Management Methods Utilized with an AMI/MDM Demand Management Project
Greg Johnson, Katama Technologies Inc.
Dakota Electric recently embarked upon a project to concurrently install an AMI system coupled with an MDM system and replace the existing load control system. The success of the project relied upon extensive system integration among the new and between the existing systems and managing five different vendors. Given all these complexities, how were the project risks identified, what techniques were utilized to reduce the risks and most importantly how did it turn out.
Transmission Line Return Periods & Cost Considerations
Joe Brown, Burns & McDonnell
This presentation will provide an overview of transmission line return periods and provide guidance on how to estimate the additional cost associated with designing lines for higher return periods.
Moderator: Scott Hoberg
Co-Moderators: Douglas Brown, Mike Crane
Case Study: Integrating and Stabilizing Renewable Energy on a Transmission Line Using Multiple Wind and Solar Farms
Brian Waldron, Schweitzer Engineering Laboratories, Inc.
Mr. Waldron reviews the implementation of a power plant controller that manages the integration of multiple wind and solar farms along a transmission line. It discusses the technology used to generate the solution, design approaches, and operator control interfaces that helped overcome these challenges, as well as the lessons learned from this project.
Introduction to Synchronous Condenser Conversion
Joey Gerondale, Joshua Crawford, Burns & McDonnell
This presentation highlights the challenges and benefits of converting an existing generator to synchronous condenser duty. Best practices will be shared based on experience from multiple completed projects in North America.
Grid-Forming Batteries for Stabilizing a 100% Renewable Hawaiian Grid
Andrew Isaacs, Electranix Corporation
Hawaii is approaching 100% renewable penetration in the next few years. Planners have undertaken extensive EMT analysis to understand how grid forming batteries, synchronous condensers, DER, and renewables can work together to get them there reliably.
Three DPP Cycles, 79 Projects and 10.4 GW—ATC's Generator Interconnection Experience
Jamal Khudai, Michael Marz, American Transmission Company
Rapidly growing generation interconnection queues, including new technologies with additional analysis requirements, are stressing industry resources. This presentation discusses how ATC is addressing the issues created by these larger queues.
Moderator: Neil Stiller
Co-Moderators: Larry Brusseau, Emily Riggs
Drone Security & Energy Infrastructure
Travis Moran, SERC Reliability Corporation
Drones have emerged as one of the preeminent threat vectors for energy producers, whether utilities or oil & gas. Understanding the parameters of the threat, and the attendant threat responses, potential mitigation techniques, procedures and preventative technologies will be key to future grid resiliency.
Utility’s Use of Immersive Technologies
Jeffrey Grussing, Great River Energy
Jeffry Grussing demonstrates use cases for Augmented Mixed and Virtual Reality in the electric utility industry.
How to Build an Arc Flash Program from the Ground Up for Electric Utilities and Other Industry
Eduardo Ramirez-Bettoni, Xcel Energy; Morgan McNeal, Perficent
This short tutorial is intended for large asset owners who plan to start or develop an arc flash safety program in their company. The presenters will give recommendations and show real life examples executed during the formation and rollout of Xcel Energy’s Arc Flash Program. The presentation has an electric utility focus, but it also may be applied to other asset owners in the industry.
Moderator: Dan Sargeant
Co-Moderators: Sarah Simpson, Kerby Nestor
Helical Pile Foundations for Standard Series Steel Poles
Howard A. Perko, Ph.D, Magnum Piering, Inc.
Transmission line construction and replacement projects face many challenges. Learn how helical piles are being used to address limited access, rising costs, environmental factors, congested urban corridors, and demanding schedules.
Reverse Engineering Transmission Towers Using Drones
Michael Miller, Exo Inc.
What to do when a tower analysis is needed and there are no structural drawings available. Drone-acquired photogrammetry and modeling using PLS-TOWER are discussed.
Advancing Decarbonization of Renewable Generation Collector Substations
Jared Augustine, Conner Bowen, Burns & McDonnell Engineering
Implementing alternative foundation materials will advance the decarbonation efforts of renewable generation infrastructure. By looking at the type and lifespan of collector substations for renewable assets, we can utilize more environmentally sustainable materials without impacting cost or performance.
Nondestructive Evaluation Applications for Transmission and Substation Structures
Valerie Makri, Cody LoMonaco, Burns & McDonnell Engineering
Risk management and as-built quality of structures and foundations is important for electrical utilities. One way the industry can mitigate risk and address some challenges is by the application of non-destructive evaluation (NDE) methods including thermal imaging, ultrasonic sensing, impact testing, cross-hole sonic logging, liquid penetrant inspection, and radiographic examination.
Moderator: Al Haman
Co-Moderators: Brianna Swenson, Greg Owen
Inverter-Based Radial Distribution System and Associated Protective Relaying
Angelos Kokkinis, Schweitzer Engineering Laboratories, Inc.
Angelos Kokkinis discusses the use of inverter-based energy resources in distribution systems, the fault current contribution from these sources, the protective relaying solution during islanded operation, the load-shedding scheme during islanded conditions, and the detection of open-source conditions (upstream of the point of common coupling). All discussion points are illustrated with examples.
Understanding Impacts of DER on the Distribution System
Ed Shannon, Ulteig
A review of all things we need to remember about distribution load flows, impacts of DER integration, and mitigations. Starting with a high-level review of everything from 3 phase AC power to Backward Forward Sweeping distribution load flow technique. Then diving in to identifying the impacts of interconnecting DER to the distribution system. Including power flows, industry standards that govern these impacts, and how to mitigate impacts to acceptable limits. Touching on protection and the potential impacts DER can have on existing settings and schemes. Wrapping up with impacts on day-to-day operations and things that should be considered.
Electric Utility Grant Opportunities Associated with the Infrastructure Investment and Jobs Act
Jim Weikert, Power System Engineering
Many IIJA grants are now becoming available for utilities to submit applications. In the presentation we will discuss the availability of grant applications for resiliency, technology, electric vehicles and broadband. We will also provide information on what information a utility should gather if they wish to submit an application.
Implementation of an Advanced Distribution Management System at Alliant Energy
Brianna Swenson, Alliant Energy
Alliant Energy is in the middle of a multiyear, multiphase project to implement an Advanced Distribution Management System. The project includes SCADA, OMS, DMS, SOM, and DERMS. This presentation will touch on the work to date, lessons learned, and goals for finalizing the project.
Relaying II Track
Moderator: Douglas Brown
Co-Moderators: Steve Mohs, Pete Malamen
Distance Elements for Line Protection Applications Near Unconventional Sources
Bogdan Kasztenny, Schweitzer Engineering Laboratories, Inc.
This presentation introduces distance elements suitable for protecting lines near wind-turbine generators and inverter-based sources. These distance elements work by design and do not have to be fine-tuned and proven by simulations on a project-by-project basis.
Advances in Electric Grid Critical Infrastructure Protection and Automation
Daniel Ransom, General Electric Grid Solutions
Protection of the electric-power grid has become even more important today—it is a critical infrastructure on which other infrastructures (water, communications, defense, etc.) depend. Interruption or outage of the power supply severely impacts modern life and has vast economic consequences. Protective relays and automation devices are part of this critical infrastructure and play a very important role in safe operation of the grid.
This presentation reviews the latest advancements in relay design, construction, and software, and practices to keep the critical electric grid operating dependably and securely.
21 C Capacitor Bank Protection
Amir Soroush, Siemens
Shunt Capacitor Banks (SCB) are used to provide capacitive reactive compensation or power factor correction. Voltage differential protection (87V) of SCB is common but has limitations. Impedance-based protection (21C) overcomes some 87V limitations and improves both the sensitivity and security of SCB protection.
Loss of Motor Load Causes a Substation Transformer Differential Trip
Craig Wester, General Electric Grid Solutions
The presentation will discuss a 110kV/4.16kV 10MVA substation transformer differential trip event and resolution which occurred for a US based oil pipeline when one of two large 4160V motors was stopped.
Emerging Technologies Track
Moderator: Will Lovelace
Co-Moderators: Mike Marz, Tom Guttormson
Will the Gas Station Model for Fueling Survive EVs?
John Nemec, Burns & McDonnell Engineering
With the automotive trends towards EVs, we’re in for a paradigm shift in the way we “fuel” our vehicles. In the past we could rely on gas stations, but will there be something similar for EVs?
Superconductor Cable Update—Chicago Installation Experience
Michael Ross, Frank Frentzas, AMSC
The First Permanent Installation of a Superconductor Cable Solution in North America was commissioned on ComEd’s grid in Chicago in August of 2021. This presentation will discuss the technology, application, installation and operational experience.
Utility Scale Distribution Connected Batteries—Implementation and Lessons Learned
Dave Galarowicz, Derek Wagner, Alliant Energy
Alliant Energy has implemented a number of pilot battery projects tailored to several different use cases. This presentation highlights lessons learned from several distribution connected battery projects, covering design, construction, and integration.
Multi-day Energy Storage Technology and Pilot Project
Claire Woo, Form Energy
Form Energy and GRE are jointly deploying a 1.5MW, 150MWh multi-day energy storage pilot project in Minnesota. This system will be the first commercial deployment of new low-cost, long-duration iron-air battery technology.