Modeling a mixed residential-commercial load for simulations involving large disturbances

Khodabakhchian, B.; Vuong, G.T.

doi:10.1109/59.589685

Cited by 23 publications

(8 citation statements)

References 7 publications

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“…The first one is a RLC passive parallel element. The second one is a static load model, frequently used in stability softwares, corresponding to the following equations [2,3]:…”

Section: Loadmentioning

confidence: 99%

Integration of a hydraulic production plant in a weak power system on a long radial line

Larivière

Racine

2009

Electric Power Systems Research

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“…The first one is a RLC passive parallel element. The second one is a static load model, frequently used in stability softwares, corresponding to the following equations [2,3]:…”

Section: Loadmentioning

confidence: 99%

Integration of a hydraulic production plant in a weak power system on a long radial line

Larivière

Racine

2009

Electric Power Systems Research

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“…This additional accuracy is the main advantage of having analysis tools that are capable of tracing point by point the transitions of nonlinear elements in the network. The EMTP is a proven tool to provide this type of information [6], [5], [43], [44], [45], [46] and many steady state based power system studies are verified against EMTP transient simulations. Providing the EMTP with the ability to trace eigenvalue trajectories extends the capabilities of this highly accurate tool and the ability to represent highly sensitive system operating conditions.…”

Section: Advantages Of Step By Step Trajectory Analysismentioning

confidence: 99%

Step-by-Step Eigenvalue Analysis With EMTP discrete-time Solutions

Hollman

Martí

2010

IEEE Trans. Power Syst.

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The present work introduces a methodology to obtain a discrete time state space representation of an electrical network using the nodal [G] matrix of the Electromagnetic Transients Program (EMTP) solution. This is the first time the connection between the EMTP nodal analysis solution and a corresponding state-space formulation is presented. Compared to conventional state space solutions, the nodal EMTP solution is computationally much more efficient. Compared to the phasor solutions used in transient stability analysis, the proposed approach captures a much wider range of eigenvalues and system operating states. A fundamental advantage of extracting the system eigenvalues directly from the EMTP solution is the ability of the EMTP to follow the characteristics of nonlinearities. The system's trajectory can be accurately traced and the calculated eigenvalues and eigenvectors correctly represent the system's instantaneous dynamics. In addition, the algorithm can be used as a tool to identify network partitioning subsystems suitable for real-time hybrid power system simulator environments, including the implementation of multi-time scale solutions. The proposed technique can be implemented as an extension to any EMTPbased simulator. Within our UBC research group, it is aimed at extending the capabilities of our real-time PC-cluster Object Virtual Network Integrator (OVNI) simulator.

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“…They use algebraic or steady state equations in which the active and reactive power are dependent upon the load voltage and frequency. 15 Three models, depending on the characteristic parameters of the load, 16 were considered:…”

Section: Static Load Modelsmentioning

confidence: 99%

Prediction of flicker produced by wind turbines

Bossanyi¹,

Saad‐Saoud

Jenkins

1998

Wind Energ.

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Electrical flicker is a measure of voltage variations which may cause disturbances to consumers. Flicker is caused by both generators and loads connected to the network. This paper discusses the various issues which affect electrical flicker from wind turbines, and describes the development of a software tool capable of predicting, at the design stage, the flicker which would be produced by a wind turbine, or by a wind farm of similar turbines, on a particular network. The paper describes the modelling of the physical dynamics of the wind turbine and the turbulence in the wind which drives it, the electrical dynamics of the generator, and the network itself with various types of embedded consumer loads. Measurements carried out on two different 1 MW wind turbines have been used to validate the models. Copyright © 1998 John Wiley & Sons, Ltd.

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Modeling a mixed residential-commercial load for simulations involving large disturbances

Cited by 23 publications

References 7 publications

Integration of a hydraulic production plant in a weak power system on a long radial line

Integration of a hydraulic production plant in a weak power system on a long radial line

Step-by-Step Eigenvalue Analysis With EMTP discrete-time Solutions

Prediction of flicker produced by wind turbines

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