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2 results on '"Modal resonance analysis"'

1. Harmonic compensation analysis in offshore wind power plants using hybrid filters

Author

Universitat Politècnica de Catalunya. Departament d'Enginyeria Elèctrica, Universitat Politècnica de Catalunya. SEER - Sistemes Elèctrics d'Energia Renovable, Hasan, Khurshid N Md, Kalle, Rauma, Luna Alloza, Álvaro, Candela García, José Ignacio, Rodríguez Cortés, Pedro, Universitat Politècnica de Catalunya. Departament d'Enginyeria Elèctrica, Universitat Politècnica de Catalunya. SEER - Sistemes Elèctrics d'Energia Renovable, Hasan, Khurshid N Md, Kalle, Rauma, Luna Alloza, Álvaro, Candela García, José Ignacio, and Rodríguez Cortés, Pedro

Abstract

The harmful effects of harmonics are an important issue in wind power plants (WPPs), especially in offshore applications. In offshore WPPs, the wind turbines are linked to the network through high-power converters that produce harmonics at relative low frequencies. Moreover, in the network of a WPP, the propagation of noncharacteristic harmonics and the effect of resonance contribute as well in boosting the harmonic distortion. In this paper, a solution for compensating the harmonics in a WPP by means of using hybrid filters is proposed. In this paper, not only the filtering solution is tested, but also a method for finding the best place where to connect the filter, based on a modal analysis or a harmonic modal resonance analysis, is implemented. The proposed solution has been tested by considering the model of a real 400-MW offshore WPP as the study case. As it will be shown, the hybrid filter is capable of damping the resonances in the plant, while the analysis conducted permits us to optimize its location in the plant, Postprint (published version)

Published
2014

2. Harmonic compensation analysis in offshore wind power plants using hybrid filters

Author

Alvaro Luna, J. Ignacio Candela, Khairul Nisak Binti Md. Hasan, Kalle Rauma, Pedro Rodriguez, Universitat Politècnica de Catalunya. Departament d'Enginyeria Elèctrica, and Universitat Politècnica de Catalunya. SEER - Sistemes Elèctrics d'Energia Renovable

Subjects
Wind power plant, Engineering, modal resonance analysis, Modal analysis, Harmonics, Participation factor, Resonance, Industrial and Manufacturing Engineering, Harmonic analysis, Resonance damping, harmonics, Electronic engineering, Electrical and Electronic Engineering, Harmonic filter, wind power plant, Active filter, ta113, Total harmonic distortion, Wind power, ta213, Energia eòlica -- Estructures marines, business.industry, participation factor, Offshore wind power plants, Energia eòlica -- Aparells i accessoris, Offshore wind power, resonance, Control and Systems Engineering, resonance damping, Hybrid filter, Harmonic, Energies::Energia eòlica::Centrals eòliques [Àrees temàtiques de la UPC], hybrid filter, business, Modal resonance analysis
Abstract

The harmful effects of harmonics are an important issue in wind power plants (WPPs), especially in offshore applications. In offshore WPPs, the wind turbines are linked to the network through high-power converters that produce harmonics at relative low frequencies. Moreover, in the network of a WPP, the propagation of noncharacteristic harmonics and the effect of resonance contribute as well in boosting the harmonic distortion. In this paper, a solution for compensating the harmonics in a WPP by means of using hybrid filters is proposed. In this paper, not only the filtering solution is tested, but also a method for finding the best place where to connect the filter, based on a modal analysis or a harmonic modal resonance analysis, is implemented. The proposed solution has been tested by considering the model of a real 400-MW offshore WPP as the study case. As it will be shown, the hybrid filter is capable of damping the resonances in the plant, while the analysis conducted permits us to optimize its location in the plant.

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