Volume 9, Issue 1 (Journal of Control, V.9, N.1 Spring 2015)                   JoC 2015, 9(1): 35-46 | Back to browse issues page

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Alizadeh Bidgoli M, bathaee M T. A Nonlinear Control Design for Variable Speed Pumped Storage Power Plants in order to Improve Fault Ride-Through Capability in Motor Mode. JoC 2015; 9 (1) :35-46
URL: http://joc.kntu.ac.ir/article-1-203-en.html
1- K.N.Toosi university
Abstract:   (8909 Views)

In this article, a nonlinear controller is designed for a pumped storage hydropower (PSH) based on doubly fed induction machine (DFIM) in the motor mode. The main controller of a variable speed PSH consists of three separate parts: motor side converter, grid side converter and pump-turbine guide vanes which are designed via stator voltage oriented vector control. Using the power electronics in DFIM-based application can be made the fault ride through issues. In industrial applications, the variable speed PSH uses a hardware protection, i.e. crowbar or dc link brake chopper, in order to maintain the connectivity to the grid during a fault. In this article, however, the motor side controller is modified by an effective input signal to be added to decoupled d-axis inner loop. It is shown that the proposed controller not only eliminates the need of conventional protection, but also improves the transient responses. Furthermore, it is demonstrated using real-time simulation in Matlab/Simulink that the credibility of the proposed controller

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Type of Article: Review paper | Subject: Special
Received: 2015/02/15 | Accepted: 2015/05/24 | Published: 2015/06/5

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