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المؤلفEl-Deeb, H.M.
المؤلفMassoud, Ahmed
المؤلفAbdel-Khalik, A. S.
المؤلفAhmed, S.
تاريخ الإتاحة2022-03-23T06:57:34Z
تاريخ النشر2015
اسم المنشور2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015
المصدرScopus
المعرّفhttp://dx.doi.org/10.1109/ECCE.2015.7309934
معرّف المصادر الموحدhttp://hdl.handle.net/10576/28769
الملخصThis paper illustrates the assessment between the multiloop control strategies that aim to damp the resonance hazard of LCL-filters and expanding the available stability margins. The establishment of the multiloop control is sustained in a sensorless manner with the reconstruction of the state variables using the Kalman observer, thus enhancing the cost measures and reliability of the distributed generation (DG) interface. Compared to the conventional multiloop techniques, which is mainly based on the feedback of either the filter capacitor current or voltage, the proposed multiloop method is able to exhibit: 1) theoretical stability through the whole frequency spectrum; 2) higher disturbance rejection originating from the grid-side interference; 3) higher damping of the dominant poles with much lower control effort than the conventional methods; 4) straightforward tuning of the grid current controller as the LCL-filter appears as an apparent standard second order model; and 5) low sensitivity against parameter deviations compared to previous literatures. Furthermore, the utilized control scheme ensures a high quality of injected grid currents under unbalanced and distorted grid voltage conditions. Experimental results validated the proposed control concept through a 3.5 kW setup.
راعي المشروعQatar National Research Fund
اللغةen
الناشرInstitute of Electrical and Electronics Engineers Inc.
الموضوعBandpass filters
Controllers
Damping
Disturbance rejection
Electric current control
Energy conversion
Interface states
Kalman filters
Multivariable control systems
Sensorless control
Active damping
Conventional methods
Distorted grid voltage
Distributed generation interface
Grid connected inverters
LCL filters
Parameter deviations
Proportional resonant controllers
Quality control
العنوانAssessment of sensorless Kalman filter-based dual-loop control strategies for grid-connected VSIs with LCL filters
النوعConference Paper
الصفحات1940-1947
dc.accessType Abstract Only


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