What is the Best Way to Manage Distributed Energy Resources?

What is the Best Way to Manage Distributed Energy Resources? Kay Stefferud kay@enernex.com 865-770-4867   Kay Stefferud, EnerNex Director of Implementation Services, is a TOGAF® 9 certified enterprise architect with over thirty-five years of experience in systems engineering, cyber security, architecture, program management, product development, renewable energy projects, commercial communications devices, software applications, real-time sensor…

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Utilizing Dynamic Line Ratings in Operations and Markets: FERC Panel Remarks

Utilizing Dynamic Line Ratings (DLR) in Operations and Markets: FERC Panel Remarks Sean Morash, EnerNex Senior Consultant, was a panelist at the Federal Energy Regulatory Commission (FERC) Technical Conference on Managing Transmission Line Ratings in Washington, DC held in September 2019. smorash@enernex.com 865-770-4879   His prepared remarks – originally published via the FERC website Hello,…

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Wi-SUN Alliance Blog: Addressing Utility Field Area Network Interoperability

Wi-SUN Alliance Blog: Addressing Utility Field Area Network Interoperability Jeremy Laundergan, Vice President of Consulting Services jlaundergan@enernex.com 865-770-4866   Originally published via Wi-SUN Alliance We take it for granted. Being able to connect our devices, computers and gadgets to a Wi-Fi network is fairly straightforward and routine. We have a new device or we are traveling,…

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Architecture Plays a Key Role in NERC CIP Compliance

Architecture Plays a Key Role in NERC CIP Compliance Brian Smith bsmith@enernex.com 865-770-4853     If you have been involved with a utility’s compliance efforts associated with the North American Electric Reliability Corporation (NERC) Critical Infrastructure Protection (CIP) standards, you understand that documentation is everywhere. Nearly every aspect of the NERC CIP standards starts with…

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Wind Plant Transient Evaluation Studies

Wind Plant Transient Evaluation Studies Power system apparatus, such as transformers, switchgear, and cables may be exposed to various types of transients. High-frequency transients and very steep overvoltages may cause problems for electrical equipment because they can cause local overstressing of the insulation system. Wind plant collector circuit breaker opening-and-closing operations and lightning surge events…

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Electric Power Systems Flicker Analysis

Electric Power Systems Flicker Analysis By: Bikash Poudel, Senior Consultant bpoudel@enernex.com 865-218-4600 x6168     Electric power systems flicker is a human perception of change in brightness level of lighting. The intensity of flicker is dependent on both the frequency and the magnitude of voltage fluctuations. There had been studies that showed the variations of…

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Breaker Switching Analysis for Wind Power Plants

Breaker Switching Analysis for Wind Power Plants By: Bikash Poudel, Senior Consultant bpoudel@enernex.com 865-218-4600 x6168     Vacuum Circuit Breaker (VCB) switching for protection and control operations in electric power systems may cause high frequency transients overvoltage that can affect the transformers nearby. These transients exhibit phenomenon such as current chopping, pre-strike and re-strike. Studies…

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Fault Induced Delayed Voltage Recovery (FIDVR) Phenomenon: Modeling and Guidelines

Fault Induced Delayed Voltage Recovery (FIDVR) Phenomenon: Modeling and Guidelines By: Sarina Adhikari, Senior Consultant  sadhikari@enernex.com  865-218-4600 x6177     Broadly speaking, voltage sensitive loads are classified into two different categories: static or steady state, and dynamic loads. Accurate modeling of loads in the simulation environment that can closely mimic the behavior of the real-world…

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Do Team Building Exercises Work?

Do Team Building Exercises Work? By: Ron Chebra, VP of Grid Modernization rchebra@enernex.com 865-218-4600 x8108     A few years ago, I had the opportunity to participate in an off-site team building exercise in Belgium.  Upon reflecting on the particular challenge presented, I made the link to the meaningfulness of that very activity and the workplace….

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Episode #6 | Cost Benefit Analysis – Science or Art?

The Energy Exchange Podcast Episode #6 | Cost Benefit Analysis – Science or Art? Take a listen as EnerNex Vice President of Grid Modernization Ron Chebra along with special guest Mark Everette, CEO of MWE Consulting, explore the nuances and challenges of building a solid and defensible Cost Benefit Analysis for grid modernization investments. Given…

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System Engineering Cyber Security Approaches for Distribution, Transmission and Generation Systems

System Engineering Cyber Security Approaches for Distribution, Transmission and Generation Systems By: Kay Stefferud, Director of Implementation Services kay@enernex.com 865-218-4600 x8104     Like many other systems of systems (SoS), the electric grid is facing challenges as devices originally intended to be either standalone or locally networked are now being connected to both advanced management systems…

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Live Line Clearance Evaluation Transient Study

Live Line Clearance Evaluation Transient Study Power system apparatus, such as transformers, switchgear, and cables may be exposed to various types of transients. High-frequency transients and very steep overvoltages may cause problems for electrical equipment because they can cause local overstressing of the insulation system. Utility transmission line circuit breaker opening-and-closing operations are an important…

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Proper Utilization of PMU Data: Towards Prevention of Wide Area Blackouts

Proper Utilization of PMU Data: Towards Prevention of Wide Area Blackouts By: Sarina Adhikari, Senior Consultant sadhikari@enernex.com 865-218-4600 x6177     The North American Bulk Electric Systems (BES) comprises of Eastern and Western Interconnection and Electricity Reliability Council of Texas (ERCOT). These are the combination of several complicated rotating machines along with several pieces of…

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Episode #2 | Pre-Pay – Hitting an Inflection Point

The Energy Exchange Podcast Hosted by EnerNex Now Live! Episode #2: Pre-Pay – Hitting an Inflection Point Episode Summary This episode of The Energy Exchange is all about the pre-payment movement within utilities. What are the drivers, motivators, benefits and societal impacts of these pre-pay programs? EnerNex VP Ron Chebra explores the topic with special…

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ADMS: a Product or a Philosophy?

ADMS: a Product or a Philosophy? By: Ron Chebra, VP of Grid Modernization rchebra@enernex.com 865-770-4874   As more and more utilities undertake their Grid Modernization journey, an Advanced Distribution Management System (ADMS) is frequently at the core of many of their technology plans. An ADMS typically encompasses multiple application functions such as, Distribution Scada (dSCADA),…

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