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The paper presents a three-phase grid-tied converter operated under unbalanced and distorted grid voltage conditions, using a multi-oscillatory current controller to provide high quality phase currents. The aim of this study is to introduce a systematic design of the current control loop. A distinctive feature of the proposed method is that the designer needs to define the required response and the...
This paper presents an evolutionary optimization of the linear-quadratic (LQ) current controller for a three-phase grid-tie voltage source converter with an L-type input filter. The current control system is equipped with multi-oscillatory terms, which enable the converter to obtain nearly sinusoidal shape and balanced input currents under unbalanced and distorted grid voltage conditions. The augmentation...
The effect of paper substrate type used at the beginning of rearing on foot pad dermatitis (FPD) occurrence and production results of broiler chickens.The objective of the study was to estimate influence of different paper type as additional substrate in broiler chickens rearing on foot pad quality. Animals used in experiments were 320 Ross 308 chickens divided into groups according to substrate type:...
Influence of Housing System on Selected Quality Characteristics of Duck Meat. Chapter 2. Muscovy duck. The objective of this study was to determine the effect of housing system on the selected quality characteristic of breast muscles of Muscovy (MR71) ducks. The ducks were divided into four experimental groups according to their sex and housing system: intensive system (IS) and outdoor system (OS)...
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