Utility Infrastructure Engineering and Analysis
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...
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 Access the IEEE Xplore Paper | Effective Angle Prediction Algorithm for Utilization of PMU Data:...
Microgrids and the City
EnerNex developed and recorded a continuing education presentation entitled “Microgrids and the City – From analysis to case studies” that is marketed and sold by Red Vector on their website. Is your municipality prepared for a loss of power for...
PJM Interconnection LLC (PJM) | Renewable Integration Study
PJM has a transmission system that feeds electric power to 51 million people in 13 states. As part of the PJM requirement to meet national and regional standards, PJM looks into the future to identify situations that may require additional build out of transmission to...
Eastern Wind Integration and Transmission Study (EWITS)
EnerNex led the Eastern Wind Integration and Transmission Study (EWITS), a culmination of an effort that spanned two and one-half years. The study team began by modeling wind resources in a large part of the Eastern Interconnection and finished by conducting a...
Progress Energy Florida | EMTP-RV Investigation of Tertiary Connected Shunt Reactor Failure at Central Florida Substation
Progress Energy Florida installs switched shunt reactors on the 13.8 kV tertiary windings of their 500/230 kV transformer banks to reduce high system voltages during light load periods. Two 25 Mvar shunt reactors, Reactor #1 and Reactor #2 are installed on the 13.8 kV...
New York Independent System Operator (NYISO) | Controlled System Separation Study for Bulk Power Systems
The project investigated the feasibility of separating bulk power systems in a controlled manner for the purpose of maintaining stability in individual electric islands. A complex East Interconnection bulk power system model in PSS®E was studied in terms of different...
Renewable Plant Model Validation – It’s getting serious now
By Bob Zavadil, Executive Vice President and Co-Founder Bob Zavadil, EVP and Co-Founder of EnerNex, actively participates in the Utility Variable-Generation Integration Group (UVIG) and acts as the chair for the VG Modeling and Interconnection User Group. This post...
Optimizing distribution operations | Intelligent Utility
Optimizing distribution operations By Doug Houseman Forty years ago Distribution engineers laughed at Transmission operators when they said they had to do state estimation and power flow balancing. Distribution did not have those kinds of problems and any imbalance...
Our Energy Future | T&D World
Our Energy Future Do you want a say in the shape our industry will take? Then get involved! By Doug Houseman Time is not our friend. Coal generation will go away, with much of it gone by 2020 and little surviving beyond 2030. Once most of the coal is gone, we will see...