Results 111 to 120 of about 136,749 (361)

Performance improvement of straight darrieus type wind turbine by cylindrical guide

open access: yesNihon Kikai Gakkai ronbunshu, 2018
In late years, from the viewpoints of drying up of fossil fuels such as oil or coal, and prevention of global warming, the renewable energy such as solar power generation or wind power generation attracts attention. The wind power generation can generate
Kiyoshi KAWAGUCHI, Yukihiro HARUYAMA
doaj   +1 more source

Maximum power point tracking for variable-speed fixed-pitch small wind turbines [PDF]

open access: yes, 2009
Variable-speed, fixed-pitch wind turbines are required to optimize power output performance without the aerodynamic controls. A wind turbine generator system is operated such that the optimum points of wind rotor curve and electrical generator curve ...
Jovanovic, Milutin   +3 more
core   +1 more source

Influence of Zn2+ and Oxygen Supply on Malic Acid Production and Growth of Aspergillus oryzae

open access: yesBiotechnology and Bioengineering, EarlyView.
ABSTRACT Malic acid is a valuable platform chemical traditionally derived from fossil‐based resources. Microbial cultivation with Aspergillus oryzae offers a sustainable alternative based on renewable feedstocks. In this study, a well‐established minimal medium for malic acid production, commonly used in previous research to ensure reproducibility, was
Lukas Hartmann   +3 more
wiley   +1 more source

Application of Bachmann PLC in Wind Turbine Control System

open access: yesKongzhi Yu Xinxi Jishu, 2011
It is significant that the application of PLC in wind turbine control system. This paper introduces the implementation of Bachmann PLC in wind turbine control system, and then analyzes the hardware and software of control system based on Bachmann PLC ...
丁桂林, 叶伟, 颜毅斌
doaj  

Research on Optimal Distributed Control System of Active Power of Wind Turbine Generators

open access: yes发电技术, 2018
In this paper, an optimal distributed control strategy of active power of wind turbine generators was proposed. Based on this strategy, a development scheme of optimal distributed control system was proposed.
Zhongquan ZHANG   +2 more
doaj   +1 more source

Advancing Malic Acid Production of Aspergillus oryzae: Combined Process Optimization and Application of Various Substrates

open access: yesBiotechnology and Bioengineering, EarlyView.
ABSTRACT In light of climate change and growing resource scarcity, microbial production of organic acids offers a sustainable alternative to fossil‐based chemical synthesis. In this study, malic acid production by Aspergillus oryzae was optimized through cultivation temperature adjustment and biotin supplementation, while organic acid formation from ...
Lukas Hartmann   +6 more
wiley   +1 more source

Multimodel Modeling and Predictive Control for Direct-Drive Wind Turbine with Permanent Magnet Synchronous Generator

open access: yesAbstract and Applied Analysis, 2015
The safety and reliability of the wind turbines wholly depend on the completeness and reliability of the control system which is an important problem for the validity of the wind energy conversion systems (WECSs).
Lei Wang, Tao Shen, Chen Chen
doaj   +1 more source

A Review on Different Control Techniques Used for Pitch Control of Horizontal Axis Wind Turbine [PDF]

open access: yes, 2017
In wind turbine technology, the pitch control mechanism of blades is a very important factor for the efficient power output of a wind turbine. Various control techniques can be implemented for pitch control.
Barman, J. K. (Jyoti)   +1 more
core   +1 more source

Corporate Decarbonization via Technology and Management

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT This study provides a comprehensive overview of key findings on decarbonization, advanced technologies, and management strategies, highlighting emerging themes shaping the field. Advanced technologies enhance carbon reduction through efficiency, real‐time monitoring, and optimizing resource optimization.
Heidy Montero‐Teran   +2 more
wiley   +1 more source

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