Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 21 for “"load modeling"”.
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Industrial electric load modeling.
Thesis. 1978. Ph.D.--Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science.
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Power system dynamic load modeling
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1997.
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Electricity Load Modeling in Frequency Domain
… and deep-understanding their customers' load profiles. This strategic information is vital in load forecasting, demand-side management planning and long-term resource and capital planning. With the proliferation of Advanced Metering Infrastructure (AMI) in recent years, the amount of load …
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Dynamic load modeling in power system analysis
… examine the effect of dynamic induction machine modeling and polynomial static load modeling on the stability of electric power systems and to compare the results with those obtained using constant impedance or constant current load models. A least-squares curve fit algorithm is developed and …
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Network and Load Modeling for Power System Dynamic Analysis
… thesis involves the development of network and load models for power system analysis. Traditional power system models consist of detailed generator models and simple network and load models. In the past this has been acceptable as these models captured observed phenomena. These models do not …
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Load Modeling using Synchrophasor Data for Improved Contingency Analysis
… for energy and the growing complexity of the loads are two of the main challenges faced by the power grid. In order to prepare for contingencies and maintain a secure state, power engineers must perform simulations using steady state and dynamic models of the system. The results from the …
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Dynamic Load Modeling from PSSE-Simulated Disturbance Data using Machine Learning
Load models have evolved from simple ZIP model to composite model that incorporates the transient dynamics of motor loads. This research utilizes the latest trend on Machine Learning and builds reliable and accurate composite load model. A composite load model is a combination of static (ZIP) model …
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On stationary and nonstationary fatigue load modeling using autoregressive moving average (ARMA) models
… stationary and non stationary vehicle loading histories for fatigue analysis using stochastic process theory is presented in this study. The load history is considered to have stationary random and nonstationary mean and variance content. The stationary variations are represented by a …
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Composite load modeling for power systems: Model reduction, identification, and application to conservation voltage reduction
Load modeling is essential to power system stability analysis, optimization, and controller design as shown in many research. Although the importance of load modeling is recognized by power system researchers and engineers, obtaining an accurate load model remains challenging due to the large …
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An investigation into the effects of load modeling of transient stability and analysis of voltage collapse
… of this thesis is to investigate the effects of load modeling on transient stability studies and to analyze the phenomenon of voltage collapse. In addition, the different generator models are compared and the effects of voltage dips on induction motor performance are investigated. The modeling of …
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On Verification of Load Models for Frequency Response Using PMU Data
… to the frequency deviation. Most electric loads are sensitive to large variations in frequency that change their power consumption as a result. Therefore, load modeling is a crucial element in power system simulation, and a better understanding of load response in frequency excursion events …
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Investigação de parâmetros que provocam diferenças entre regiões de segurança estática e dinâmica
… this dissertation it was studied the change of load modeling, the load levels, the dynamic models of generators and the type of events applied to the network model New England, replacing its original generators by the Brazilian system generators. This analysis was performed using the computer …
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Comparação de dois métodos de detecção da instabilidade de tensão baseados em medição fasorial e equivalente de Thévenin
… determination of the Thevenin equivalents of the load buses to be analyzed, comparing the values obtained with the impedance values of these ones. Thus, using the Maximum Power Transfer Theorem, a proximity of the voltage instability will be associated with the moment of the impedance matching. …
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Intelligent and integrated load management system
… and evaluation of an intelligent and integrated load management system is presented in this dissertation. The objective of this research was to apply modern computer and communication technology to influence customer use of electricity in ways that would produce desired changes in the utility's …
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Utilization of Genetic Algorithms and Constrained Multivariable Function Minimization to Estimate Load Model Parameters from Disturbance Data
… replicating system disturbances. Traditionally, load models were represented as static ZIP models; however, NERC has recently required that planners model the transient dynamics of motor loads to study their effect on the postdisturbance behavior of the power system. Primarily, these studies are …
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Dynamic-Data Driven Real-Time Identification for Electric Power Systems
… three areas: Developing accurate dynamic load models and updating variable parameters based on the measurement data, applying advanced nonlinear filtering concepts and technologies to real-time identification of power system models, and addressing computational issues by implementing the …
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Probabilistic extreme response analysis of large wind turbines to natural winds
… of this research is to establish advanced modeling and simulation frameworks for better quantifying long-term probabilistic extreme responses of utility-scale wind turbines in order to achieve reliability- and performance-based turbine design. An eigenvalue analysis of the aeroelastic …
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Parameter estimation of a composite load model using a hybrid approach
Accurate dynamic load models are needed to ensure meaningful transient simulation results. We investigate the use of a composite load (CLOD) model to represent an aggregate load. Two algorithms for the parameter estimation of the CLOD model are presented and analyzed. The first uses nonlinear …
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Modeling and management of dynamic loads in power systems
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2019-08-01
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Machine learning techniques for the analysis of energy consumption and production
L'abstract è presente nell'allegato / the abstract is in the attachment
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