Search Results - "Mitra, Parag"

Modeling the Aggregated Response of Variable Frequency Drives (VFDs) for Power System Dynamic Studies by Mitra, Parag, Ramasubramanian, Deepak, Gaikwad, Anish, Johns, Jason

“…Accurate representation of system loads is critical for performing power system dynamic studies. As of date, in positive sequence bulk power system dynamic…”
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Role of sensitivity analysis in load model parameter estimation by Mitra, Parag, Vittal, Vijay

“…Parameter estimation plays a crucial role in load modeling. The aggregated nature of the load model and the large number of tunable parameter makes the task of…”
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Analysis of 0.1-Hz Var Oscillations in Solar Photovoltaic Power Plants by Fan, Lingling, Miao, Zhixin, Piper, David, Ramasubramanian, Deepak, Zhu, Lin, Mitra, Parag

“…Oscillations with very low frequency at 0.1 Hz, have been observed in voltage and var in practical solar photovoltaic (PV) systems when power exporting ramps…”
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Analyzing impact of DER on FIDVR - comparison of EMT simulation of a combined transmission and distribution grid with aggregated positive sequence models by Ramasubramanian, Deepak, Mitra, Parag, Dattaray, Papiya, Bello, Mobolaji, Boemer, Jens C., Gaikwad, Anish

“…•Impact of different DER voltage support modes on response of induction motors.•Comparison of model behavior and parameterization between positive sequence and…”
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Impact of Load Modeling on Power System Oscillations by Mitra, Parag, Ramasubramanian, Deepak, Gaikwad, Anish

“…Load modeling plays an important role in power system simulation studies. As the system loads evolve, load modeling communities worldwide are working to refine…”
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Rapid Stability Screening Method for Fast Frequency Response from IBRs in Weakly Connected Areas by Zhang, Chengwen, Ramasubramanian, Deepak, Mitra, Parag, Singhvi, Vikas

“…While the replacement of synchronous generators with inverter-based resources (IBRs) has been considered a major reason for the declining inertia and frequency…”
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Load Sensitivity Studies in Power Systems With Non-Smooth Load Behavior by Mitra, Parag, Vittal, Vijay, Pourbeik, Pouyan, Gaikwad, Anish

“…One of the most important aspects of time-domain simulations for power system planning studies is load modeling. For a realistic representation of the load,…”
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Analysis of 0.1-Hz Var Oscillations in Solar Photovoltaic Power Plants by Fan, Lingling, Miao, Zhixin, Piper, David, Ramasubramanian, Deepak, Zhu, Lin, Mitra, Parag

“…Oscillations with very low frequency at 0.1 Hz, have been observed in voltage and var in practical solar photovoltaic (PV) systems when power exporting ramps…”
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Analyzing impact of $\mathrm{DER}$ on $\mathrm{FIDVR}$ - comparison of $\mathrm{EMT}$ simulation of a combined transmission and distribution grid with aggregated positive sequence models by Ramasubramanian, Deepak, Mitra, Parag, Dattaray, Papiya, Bello, Mobolaji, Boemer, Jens C., Gaikwad, Anish

“…The increase in percentage of distributed energy resources (DERs) brings in a degree of uncertainty in bulk power system planning and operations. Further, the…”
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Impact of Distributed Energy Resources on Under Frequency Load Shedding by Haddadi, Aboutaleb, Farantatos, Evangelos, Mitra, Parag, Ramasubramanian, Deepak, Kocar, Ilhan

“…This paper studies the impact of inverter-based Distributed Energy Resources (DERs) on the performance of Under-Frequency Load Shedding (UFLS) protection. A…”
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Methodology for Identifying Regional Inertia Issues in Future Power Grids by Misyris, Georgios, Graham, Brian, Mitra, Parag, Ramasubramanian, Deepak, Singhvi, Vikas

“…Regional inertia challenges can emerge in a large power system if high, local penetrations of renewable generation begin to create weakly connected, low…”
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Ability of Positive Sequence Aggregated Distributed Energy Resource Model to Represent Unbalanced Tripping of Distribution Inverters by Ramasubramanian, Deepak, Alvarez-Fernandez, Inalvis, Mitra, Parag, Gaikwad, Anish, Boemer, Jens C.

“…With the spread of distribution connected inverters on a feeder being hidden from a transmission planner, the ability to represent the under voltage tripping…”
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Load Sensitivity Studies and Contingency Analysis in Power Systems by Mitra, Parag

“…The past decades have seen a significant shift in the expectations and requirements related to power system analysis tools. Investigations into major power…”
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Evaluation of Dynamic Voltage Responses of Distributed Energy Resources in Distribution Systems by Takenobu, Yuji, Akagi, Satoru, Ishii, Hideo, Hayashi, Yasuhiro, Boemer, Jens, Ramasubramanian, Deepak, Mitra, Parag, Gaikwad, Anish, York, Ben

“…As the number of distributed energy resources (DERs) continues to increase, the DER response during a fault is becoming critical to power system stability. In…”
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Inverter-Based Resource Plants Operation in Combined Transmission-Distribution Weak Grids: A Case Study by Arzani, Ali, Ramasubramanian, Deepak, Mitra, Parag

“…This study investigates the operation of inverter-based resource (IBR) plants in a bulk power system, under different grid-strength conditions and for various…”
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Distributed photovoltaic generation in residential distribution systems: Impacts on power quality and anti-islanding by Mitra, Parag

“…The past few decades have seen a consistent growth of distributed PV sources. Distributed PV, like other DG sources, can be located at or near load centers and…”
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Effectiveness of anti-islanding schemes following a faulty recloser operation by Mitra, Parag, Vittal, Vijay, Heydt, Gerald T., Ayyanar, Raja

“…Islanding detection is one of the technical issues, which has gained prominence with the increasing penetration of distributed photovoltaic generation. Various…”
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Ambient PMU Measurements Based Online Regional Inertia Estimation and Monitoring by Zhu, Lin, Farantatos, Evangelos, Ramasubramanian, Deepak, Mitra, Parag, Singhvi, Vikas, Elnasry, Mohamed

“…Accurate inertia estimation is essential to secure and reliable operation of Inverter Based Resource (IBR)-dominated grid. This paper proposes a method to…”
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Locational Aspect of Fast Frequency Reserves in Low-Inertia Systems -- Control Performance Analysis by Misyris, Georgios, Ramasubramanian, Deepak, Mitra, Parag, Singhvi, Vikas

“…This paper evaluates the frequency performance of an AC system when primary frequency response is provided by inverter-based resources located at remote-areas…”
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Delivery of Primary Frequency Response over Weak Electrical Paths by Ramasubramanian, Deepak, Mitra, Parag, Dattaray, Papiya, Bello, Mobolaji, Singhvi, Vikas

“…Replacement of rotating machine generation sources with inverter based resources can change the trajectory of the primary frequency response. As generation…”
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