Renewables and Efficiency

We have investigated the impact of TDD on the performance of 1J n+ p GaAs and 2J n+ p InGaP GaAs cells on Si at AM 1.5G spectrum. The analysis indicates that in a 1J GaAs cell on Si with a 2.5-μm-thick GaAs base. an efficiency of greater than 23% …

In this article. our purpose was improving the DFIG stability with tuning of STATCOM control parameters. In order to select the objective function. we proposed a method with the name of integral of time absolute error index or ITAE then optimization process was done by genetic algorithm. Optimization results showed …

With an increase of global energy demand arising in urban settlements. the key challenges for the urban energy transition include analysis of energy efficiency options and the potential of renewable energy systems within the existing building stock. making cities a key actor in the transition success. In Urban Energy Systems …

Dynamics and Control of Electric Transmission and Microgrids offers a concise and comprehensive review of the most recent developments and research in grid dynamics and control. In addition. the authors present a new style of presentation that highlights the role of transmission and distribution grids that ensure the reliability and …

The new formulation for the electrical modeling of the three-level converter combined with the new control strategy reveals the capability in mitigating the unbalancing between the capacitors bank voltages. The THD of the output current with the two-level converter and with the three-level converter have propensity to be decremented with …

The creation of a flexible. efficient. digitized. dependable and resilient power grid may well be the best route to increasing energy efficiency &amp. security. as well as boosting the potential of renewable &amp. distributed power sources. This book covers smart grids from A-Z. providing a complete treatment of the topic. …

This paper presents Genetic Algorithm based reconfiguration scheme for the arrangement of PV modules in a PV array which exhibits increased array power generation under partially shaded conditions. The reconfiguration technique involves changes in the electrical interconnections for shade dispersion keeping the physical location of the PV modules unchanged. The …

In this paper. a modeling method based on the genetic algorithm is proposed. The values of the PV module parameters were computed in such a way that the error between the simulation results and the data sheet information is minimized. A global optimization for the values of the parameters was …

This book provides a unique multi- and interdisciplinary approach to energy conversion technologies by shedding light on the topic from both technological and ethical perspectives. It applies these concepts to examples of engineering problems related to energy conversion – an internal combustion engine and a fuel cell – in order …

In this paper. a novel type of CPC-SAC is presented. A series of experiments was conducted in 2014 in Beijing. China to investigate the thermal performance of the novel SAC. The collector exhibited a stable performance during the test period. with an annual average thermal efficiency of 52%. The novel …