Search Results - subject:"Variable-speed"

Effects of passing rates on driving behaviour in variable speed limitcontrolled highways : evidence of social pressure from a driving simulator study

Ali, Yasir; Raadsen, Mark P. H.; Bliemer, Michiel C. J. - 2022

Persistent link: https://www.econbiz.de/10013179704

A data-driven, variable-speed model for the train timetable rescheduling problem

Reynolds, Edwin; Maher, Stephen J. - In: Computers & operations research : and their … 142 (2022), pp. 1-15

Persistent link: https://www.econbiz.de/10013197710

Flicker Mitigation by Speed Control of Permanent Magnet Synchronous Generator Variable-Speed Wind Turbines

Hu, Weihao; Zhang, Yunqian; Chen, Zhe; Hu, Yanting - In: Energies 6 (2013) 8, pp. 3807-3821

paper presents a simulation model of a MW-level variable speed wind turbine with a full-scale back-to-back power converter … effects is the significant part in the flicker emission of variable speed wind turbines with PMSG during continuous operation … means for flicker mitigation of variable speed wind turbines with full-scale back-to-back power converters and PMSG during …

Persistent link: https://www.econbiz.de/10010681654

A time-dependent green location-routing problem with variable speed of vehicles

Rahmani, Arsalan; Hosseini, Meysam - In: Opsearch : journal of the Operational Research Society … 59 (2022) 3, pp. 945-973

Persistent link: https://www.econbiz.de/10013455635

Optimal control of water distribution networks without storage

Nerantzis, Dimitrios; Pecci, Filippo; Stoianov, Ivan - In: European journal of operational research : EJOR 284 (2020) 1, pp. 345-354

Persistent link: https://www.econbiz.de/10012238681

Permanent Magnet Synchronous Generators in Wind turbines and its impact on the Wind Energy

Ramesh, Rashmi; Vetrivel, Ramanujan; M, Purushotham - International Institute of Social and Economic Sciences - 2015

With rapid development of wind power technologies and significant growth of wind power capacity installed worldwide, various wind turbine concepts have been developed. The wind energy conversion system is demanded to be more cost-competitive, so that comparisons of different wind generator...

Persistent link: https://www.econbiz.de/10011276152

A new generation of small hydro and pumped-hydro power plants: Advances and future challenges

Ardizzon, G.; Cavazzini, G.; Pavesi, G. - In: Renewable and Sustainable Energy Reviews 31 (2014) C, pp. 746-761

Hydropower is not only a renewable and sustainable energy source, but its flexibility and storage capacity also makes it possible to improve grid stability and to support the deployment of other intermittent renewable energy sources such as wind and solar power. As a result, a renewed interest...

Persistent link: https://www.econbiz.de/10010744051

A Novel Wind Turbine Concept Based on an Electromagnetic Coupler and the Study of Its Fault Ride-through Capability

You, Rui; Barahona, Braulio; Chai, Jianyun; Cutululis, … - In: Energies 6 (2013) 11, pp. 6120-6136

This paper presents a novel type of variable speed wind turbine with a new drive train different from the variable … speed wind turbine commonly used nowadays. In this concept, a synchronous generator is directly coupled with the grid …

Persistent link: https://www.econbiz.de/10011030726

Operational energy-efficiency improvement of municipal water pumping in California

DeBenedictis, A.; Haley, B.; Woo, C.K.; Cutter, E. - In: Energy 53 (2013) C, pp. 237-243

collected in the course of the OEEP presents a unique opportunity to analyze how VSD (variable-speed drive) technology aided by …

Persistent link: https://www.econbiz.de/10010809713

Wind speed sensorless performance monitoring based on operating behavior for stand-alone vertical axis wind turbine

Wakui, Tetsuya; Yokoyama, Ryohei - In: Renewable Energy 53 (2013) C, pp. 49-59

This study develops a wind speed sensorless performance monitoring method for stand-alone vertical axis wind turbines, by means of a numerical analysis using a dynamic simulation model. The method focuses on improvements in the response speed of the rotor with deterioration in wind turbine...

Persistent link: https://www.econbiz.de/10010805723