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Power Quality

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...
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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...
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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...
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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...
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