José Daniel Lara
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View article: NREL-Sienna/PowerFlows.jl: v0.13.1
NREL-Sienna/PowerFlows.jl: v0.13.1 Open
PowerFlows v0.13.1 Diff since v0.13.0 Merged pull requests: reactive power bugfix (#276) (@luke-kiernan) DC fallback for AC x0: reuse factorization (#277) (@luke-kiernan) Bump version from 0.13.0 to 0.13.1 (#278) (@jd-lara) Closed issues: …
View article: NREL-Sienna/PowerSimulations.jl: v0.32.2
NREL-Sienna/PowerSimulations.jl: v0.32.2 Open
PowerSimulations v0.32.2 Diff since v0.32.1 Merged pull requests: Mb/decomposition changes (#1473) (@m-bossart)
View article: NREL-Sienna/PowerSimulations.jl: v0.32.1
NREL-Sienna/PowerSimulations.jl: v0.32.1 Open
PowerSimulations v0.32.1 Diff since v0.32.0 Merged pull requests: add services mapping call in ic_template (#1470) (@jd-lara)
View article: NREL-Sienna/PowerSimulations.jl: v0.32.0
NREL-Sienna/PowerSimulations.jl: v0.32.0 Open
PowerSimulations v0.32.0 Diff since v0.31.0 Breaking changes New depedencies Fix implementation of branch models Merged pull requests: post psy5 cleanup (#1448) (@jd-lara) Fix documentation build: add missing docstrings and update dependen…
View article: Market Clearing Formulation with High-Voltage Direct Current (Hvdc) Optimization and Transmission Losses Under Increasing Renewable Shares
Market Clearing Formulation with High-Voltage Direct Current (Hvdc) Optimization and Transmission Losses Under Increasing Renewable Shares Open
View article: Accelerated Energy Storage Deployment in RELAC Countries (Spanish Translation)
Accelerated Energy Storage Deployment in RELAC Countries (Spanish Translation) Open
"Renewables in Latin America and the Caribbean" or RELAC is a regional initiative across Latin America and the Caribbean (LAC) that was created at the end of 2019, within the framework of the United Nations Climate Action Summit, with the …
View article: Accelerated Energy Storage Deployment in RELAC Countries
Accelerated Energy Storage Deployment in RELAC Countries Open
"Renewables in Latin America and the Caribbean" or RELAC is a regional initiative across Latin America and the Caribbean (LAC) that was created at the end of 2019, within the framework of the United Nations Climate Action Summit, with the …
View article: Sienna Modeling Framework [Slides]
Sienna Modeling Framework [Slides] Open
NREL's Sienna modeling framework effectively builds, solves, and analyzes the scheduling problems and dynamic simulations of quasi-static infrastructure systems. It uses a modular framework to answer different questions about future energy…
View article: Acceleration of Power System Dynamic Simulations using a Deep Equilibrium Layer and Neural ODE Surrogate
Acceleration of Power System Dynamic Simulations using a Deep Equilibrium Layer and Neural ODE Surrogate Open
The dominant paradigm for power system dynamic simulation is to build system-level simulations by combining physics-based models of individual components. The sheer size of the system along with the rapid integration of inverter-based reso…
View article: A Model for Hybrid Systems for Production Cost Modeling Studies Considering Ancillary Services: Preprint
A Model for Hybrid Systems for Production Cost Modeling Studies Considering Ancillary Services: Preprint Open
This paper introduces a model for simulating hybrid plants participating in energy and ancillary services for bulk power system studies. The model considers a hybrid plant comprised of a renewable energy source, a thermal power unit, a sto…
View article: PowerSimulations.jl -- A Power Systems operations simulation Library
PowerSimulations.jl -- A Power Systems operations simulation Library Open
PowerSimulations.jl is a Julia-based BSD-licensed power system operations simulation tool developed as a flexible and open source software for quasi-static power systems simulations including Production Cost Models. PowerSimulations.jl tac…
View article: HybridSystemsSimulations.jl - Solving the Merchant Collocated Facilities with JuMP
HybridSystemsSimulations.jl - Solving the Merchant Collocated Facilities with JuMP Open
The development of new clean-generation technologies also leads to new plant-level architectures that combine several generation and storage assets behind the point of connection. These co-located generation resources (Hybrid Systems) prim…
View article: Improved Evaluation of Large Network Matrices for Linear Power Flow Within Optimization Problems: Preprint
Improved Evaluation of Large Network Matrices for Linear Power Flow Within Optimization Problems: Preprint Open
This work discusses methods for evaluating the Power Transfer Distribution Factor (PTDF) and Line Outage Distribution Factor (LODF) matrices by employing sparse linear algebra for large-scale computing applications. These matrices are crit…
View article: PowerSimulationsDynamics.jl -- An Open Source Modeling Package for Modern Power Systems with Inverter-Based Resources
PowerSimulationsDynamics.jl -- An Open Source Modeling Package for Modern Power Systems with Inverter-Based Resources Open
In this paper we present the development of an open-source simulation toolbox, PowerSimulationsDynamics.jl, to study the dynamic response of power systems, focusing on the requirements to model systems with high penetrations of Inverter-Ba…
View article: Revisiting Power Systems Time-domain Simulation Methods and Models
Revisiting Power Systems Time-domain Simulation Methods and Models Open
The changing nature of power systems dynamics is challenging present practices related to modeling and study of system-level dynamic behavior. While developing new techniques and models to handle the new modeling requirements, it is also c…
View article: Small-Signal Stability Impacts of Load and Network Dynamics on Grid-Forming Inverters
Small-Signal Stability Impacts of Load and Network Dynamics on Grid-Forming Inverters Open
This paper presents several stability analyses for grid-forming inverters and synchronous generators considering the dynamics of transmission lines and different load models. Load models are usually of secondary importance compared to gene…
View article: Solving Unit Commitment Problems with Demand Responsive Loads: Preprint
Solving Unit Commitment Problems with Demand Responsive Loads: Preprint Open
This paper focuses on using variations of the Frank-Wolfe algorithm for solving unit commitment problems with high volumes of demand responsive loads on the power grid. We present a formulation of the unit commitment problem with demand re…
View article: Online updating of a Markovian solar forecast representation
Online updating of a Markovian solar forecast representation Open
View article: Solving Unit Commitment Problems with Demand Responsive Loads
Solving Unit Commitment Problems with Demand Responsive Loads Open
This work focuses on using variations of the Frank-Wolfe (FW) algorithm for solving unit commitment problems with high volumes of demand responsive loads on the power grid. We present a formulation of the unit commitment problem with deman…
View article: Continuous-time echo state networks for predicting power system dynamics
Continuous-time echo state networks for predicting power system dynamics Open
With the growing penetration of converter-interfaced generation in power systems, the dynamical behavior of these systems is rapidly evolving. One of the challenges with converter-interfaced generation is the increased number of equations,…
View article: PowerSystems.jl — A power system data management package for large scale modeling
PowerSystems.jl — A power system data management package for large scale modeling Open
PowerSystems.jl is a package to organize and manipulate data for the study of energy systems with diverse modeling requirements. This software serves two main purposes: to reduce the burden of large power system data set development, and t…
View article: Grid-Coupled Dynamic Response of Battery-Driven Voltage Source Converters
Grid-Coupled Dynamic Response of Battery-Driven Voltage Source Converters Open
With the increasing interest in converter-fed islanded microgrids,\nparticularly for resilience, it is becoming more critical to understand the\ndynamical behavior of these systems. This paper takes a holistic view of\ngrid-forming convert…
View article: Computational experiment design for operations model simulation
Computational experiment design for operations model simulation Open
View article: LITS.jl -- An Open-Source Julia based Simulation Toolbox for Low-Inertia Power Systems
LITS.jl -- An Open-Source Julia based Simulation Toolbox for Low-Inertia Power Systems Open
The integration of converter-interfaced generation (CIG) from renewable energy sources poses challenges to the stability and transient behavior of electric power systems. Understanding the dynamic behavior of low-inertia power systems is c…
View article: Characterization of the woody biomass feedstock potential resulting from California’s drought
Characterization of the woody biomass feedstock potential resulting from California’s drought Open
Regional tree die-off events generate large quantities of standing dead wood, raising concern over catastrophic wildfire and other hazards. Governmental responses to tree die-off have often focused on incentivizing biomass energy productio…
View article: Including operational aspects in the planning of power systems with large amounts of variable generation: A review of modeling approaches
Including operational aspects in the planning of power systems with large amounts of variable generation: A review of modeling approaches Open
In the past, power system planning was based on meeting the load duration curve at minimum cost. The increasing share of variable generation (VG) makes operational constraints more important in the planning problem, and there is more and m…
View article: California High Hazard Zones
California High Hazard Zones Open
These are the areas of High Hazard in California
View article: Wilderness_Areas_10.31.17.shxCalifornia Wilderness Areas
Wilderness_Areas_10.31.17.shxCalifornia Wilderness Areas Open
Set of GIS Layers that describe California's Wilderness Areas
View article: nps_boundary_california.dbfNational Park Areas California
nps_boundary_california.dbfNational Park Areas California Open
GIS layers for national park service areas.GIS Layers of the National Parks in California. Used to crop out unavailable areas for wood harvest
View article: nps_boundary_california.shpNational Park Areas California
nps_boundary_california.shpNational Park Areas California Open
GIS layers for national park service areas.GIS Layers of the National Parks in California. Used to crop out unavailable areas for wood harvest