Results 31 to 40 of about 11,243 (220)

Experimental Validation of a Marine Current Turbine Simulator: Application to a Permanent Magnet Synchronous Generator-Based System Second-Order Sliding Mode Control [PDF]

open access: yes, 2011
This paper deals with the experimental validation of a Matlab-Simulink simulation tool of marine current turbine (MCT) systems. The developed simulator is intended to be used as a sizing and site evaluation tool for MCT installations.
AHMED-ALI, Tarek   +11 more
core   +1 more source

Enhanced wind turbine maximum wind-energy capture based on the inverse-system method

open access: yesEnergy Reports, 2022
Wind-Energy systems based on permanent magnet synchronous generators (PMSG) offer attractive advantages due to the higher reliability and power density.
Zhigang Zhang   +3 more
doaj   +1 more source

بررسی اثر دوز PMSG بر میزان بره‌زایی گوسفندان عشایری استان گلستان [PDF]

open access: yesپژوهش در نشخوارکنندگان, 2021
چکیدهسابقه و هدف: طی سالیان اخیر ابزارهای مختلفی برای مدیریت تولید مثل معرفی شده اند که مهم ترین آنها داروهای تنظیم کننده زمان فحلی و جفت گیری گوسفند و بز می باشد.
مختار مهاجر, رضا کمالی
doaj   +1 more source

Maximum Wind Energy Extraction by Using Neural Network Estimation and Predictive Control of Boost Converter [PDF]

open access: yesInternational Journal of Industrial Electronics, Control and Optimization, 2018
The power generation from wind turbine are variable because of dependence on environmental conditions and it is important to extract maximum energy from wind. This paper proposes a new method to extract maximum energy from wind turbine systems.
Mahdi Heidari
doaj   +1 more source

Design and Implementation of a Novel Wind Turbine-PMSG for Marine and Domestic Water Purification Application [PDF]

open access: yesInternational Journal of Industrial Electronics, Control and Optimization, 2022
Providing purified water in marine and domestic applications, especially in remote areas regarding fossil fuels environmental pollutants, makes it hard to use conventional energy sources.
Hassan Zare   +3 more
doaj   +1 more source

Study on safety operation of medium voltage distribution network [PDF]

open access: yesE3S Web of Conferences, 2021
Aiming at the problem of safe operation in the medium voltage distribution network with neutral point grounding through small resistance, the distribution network model was built, and on this basis, MW-level photovoltaic (PV) system, doubly fed Induction
Chen Xiaofang   +3 more
doaj   +1 more source

Application of permanent magnet synchronous generators within small-scale hydropower systems [PDF]

open access: yesJournal on Processing and Energy in Agriculture, 2010
In the new millennium, the demand for electric power is expected to increase more rapidly. Hydroelectric power plants using hydro potential of small rivers are becoming one of the key issues in the energy sector. Hydro energy is one of the most important
Reljić Dejan   +2 more
doaj  

ẢNH HƯỞNG CỦA KÍCH DỤC TỐ LÊN ĐỘNG THÁI SINH DỤC VÀ KHẢ NĂNG SINH SẢN CỦA CẦY VÒI HƯƠNG (Paradoxurus hermaphroditus) CHẬM ĐỘNG DỤC

open access: yesTạp chí Khoa học Đại học Huế: Khoa học Tự nhiên, 2020
Nghiên cứu này được thực hiện để đánh giá hiệu quả của kích dục tố (PMSG – pregnant mare serum gonadotropin, HCG – human chorionic gonadotropin) lên thời gian xuất hiện, thời gian kéo dài động dục và hiệu suất sinh sản trên đối tượng cầy vòi hương chậm ...
Nguyen Thi Thu Hien   +2 more
doaj   +1 more source

Adaptive sliding mode based active disturbance rejection control method for a direct-driven wind power conversion system

open access: yesThe Journal of Engineering, 2019
Considering the internal and external disturbances of the direct-driven wind energy conversion systems, i.e. multi-variable coupling, non-linear characteristic and modelling error, and the environmental disturbances, an adaptive sliding mode observer ...
Siyue Wang   +4 more
doaj   +1 more source

Including Natural and Synthetic PGF2α in a 11-day FGA-Based Estrus Synchronization Protocol in Sheep: an Efficacy Comparison of Dinoprost and Cloprostenol

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
There are a variety of hormonal protocols and products on the market, but it is still unclear how they will work on specific field conditions. The efficacy of using different forms of prostaglandin F2α analogues such as dinoprost and cloprostenol in a ...
Alexandru Marius Deac   +6 more
doaj  

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