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#DFIG IN NEPLAN HOW TO#
#DFIG IN NEPLAN SOFTWARE#

For example, a model which is used for control purposes can be different to the ones used for circuit design or load flow calculation. They can be obtained from the system knowledge or from experiment tests.Īccording to how the model is interpreted and for which purpose it will be dedicated, the representation of a model may be different from one to another goal. Depending on the control law type, these models can be linear or nonlinear time domain or frequency domain, continuous or discrete. Controlling: The control design needs specific models.Moreover, it allows engineers to reach a given objective by choosing an adapted set of decision variables.

In the same aim as above, the use of model allows the determination of the constraints applied to the component.

Sizing/ optimizing: A model is also required in order to design a component.

Hence, it is necessary to develop component models using state estimation method to get a good estimated value of the given variables. However, it is not possible economically to have measurement devices at any node in the grid.

Observing, predicting: For the benefit of power system operation, there is a need to perform various measurements at different nodes of the network with the most possible accurate values.

Understanding: In power system, models can be used to explain and predict the behavior of real equipment or process.

The modeling step is essential to understand, to control, to design and/or optimize, to assess, to observe and to predict the behavior of a system. However, this perfect model is not existing, it is always a compromise between all these requirements. The ideal and perfect model must be accurate, fast, and easy to build and to implement. Model categoriesĪ model is always a simplified representation of a given real process, system or object. To finish, the proposed models are implemented, assessed and validated. After a state of the art base on recent bibliography references, thesis contributions in the field of MMC general modeling are explained and developed. This chapter is dedicated to the MMC modeling aspects. One of the most important issue related to the MMC is concerning its modeling for different reasons: very huge number of state variables (large mathematical dimension), strong coupling of these variables and large set of dynamics behavior. The development of new conversion systems leads always to new modeling approaches or methodologies. Power converters are characterized by a variable structure behavior. The feasibility of the proposed model is demonstrated with real-time operation of a wind power generation system.

#DFIG IN NEPLAN HOW TO#

In addition, we describe how to implement components such as a variable resistor that is not provided in the Simulink's library. The equivalent model of both wind power generation system and MMC are presented in this paper. Hence, in this paper, we propose a real-time implementation model employing a detailed equivalent model (DEM) using MATLAB/Simulink. Although some studies have introduced the HILS model of MMCs for grid connection using PSCAD/EMTDC, it is difficult to find a study in the literature on the model using Matlab/Simulink, which is widely used for power electronic simulation. A real-time operation model of the MMC is required to conduct a HILS experiment.

#DFIG IN NEPLAN SOFTWARE#

The application of the MMC is a system that connects wind power to a grid through high-voltage direct current (HVDC) in the form of back-to-back connected MMCs, whereas a HILS is a system used to test or develop hardware or a software algorithm with real time. In this study, we propose a wind power generation system model for operating modular multilevel converter (MMC) in a hardware-in-the-loop simulation (HILS) application. Although some studies have introduced the HILS model of MMCs for grid connection using PSCAD/EMTDC, it is difficult to find a study in the literature on the model using Matlab/Simulink, which is widely used for power electronic simulation

MATLABSolutions demonstrate how to Implementation of The application of the MMC is a system that connects wind power to a grid through high-voltage direct current (HVDC) in the form of back-to-back connected MMCs, whereas a HILS is a system used to test or develop hardware or a software algorithm with real time.Ī real-time operation model of the MMC is required to conduct a HILS experiment. Simulation of dfig based wind turbine using mmc converter in MATLAB