Rajasthan Technical University

About: Rajasthan Technical University is a education organization based out in Kota, Rajasthan, India. It is known for research contribution in the topics: Photovoltaic system & PID controller. The organization has 716 authors who have published 1084 publications receiving 4530 citations. The organization is also known as: RTU.

Time Restricted Frame Aggregation for Better QoS in IEEE 802.11ac

Abstract: The audio transmission over WLAN requires the better Quality of Service (QoS). In this paper, we are proposing and implementing the novelty adaptive mapping of cross-layers scheme for height the Quality of Services for transmitting the scalable video streams in IEEE 802.11ac wired less environment tends to approximating of the AC’s queue length and delaying of the timely constraining of the streams for which it is to be transmitted. The results clearly states that performing of propose dynamic cross-layers mapping is better with respect to the mapping of static cross-layers scheme.

Comparision of space-time block code under different fading channel

Abstract: Wireless systems have rapidly moved toward becoming piece of regular day to day existence. Cell Phone systems, Remote LANs and individual region systems are only a couple of cases of largely utilized wireless communications. The Space Time Coding has advanced as a most dynamic research range in wireless communications. Spatial multiplexing builds categorize limit by division a soaring rate motion into several inferior rate streams and transmitting them through the diverse dissimilar antennas. In spatial multiplexing, the beneficiary can effectively interpret each stream given that the got signals have sufficient spatial symbols and that the receiver has sufficient antennas to isolate the streams. The outcome of utilizing these MIMO systems is higher information rate or longer transmit extend without requiring extra transfer speed or transmit control. This paper introduces full information of diversity coding for MIMO system. STBC (space-time block coding) plans including Alamouti's STBC used for 2 transmit antenna plus 2 recievier antanna are investigated. At last, these STBC systems are actualized and analyzed execution as indicated by their bit-error rates utilizing BPSK, QPSK, and 8-PSK modulation schemes.

Local Grid Connected Microgrid Musters with PV System along POC of BESS

Abstract: Microgrid (MCG) musters of distribution system and distributed energy resources concurrently storage units and adjustable loads. Operating conditions for these systems are sovereign (Islanding mode) or depending (Grid connected mode). Various technologies are using now a days for making easeful the local generation using very small sources and the extendable (in time phrase)sources which are available in bulk and in the nature like wind, biomass, geothermal, sun radiation on earth etc. the planned accomplishment of local microgrid going through the view of study which contains residential type load whose nature may be critical or non-critical, a governed battery, pv system power by solar radiation as RES, distribution network of any grid which integrate an islanding MCG into grid through a pole mounted transformer. Different load conditions are examined over a 24-hour time phrase and the variation results on battery POC (Phrase of Charge) examined on MATLAB2018a software and relative imposition is examined for the time limit at various parameters of load for planned groundwork purpose.

Improved PV- Wind Hybrid System with Efficacious Neural Network Technique indeed Dynamic Voltage Restorer

Abstract: The growing need for renewable energy and the conservation of conventional resources is an emerging demand worldwide for making the system a sustainably developed system. As solar and wind energy is prolific in nature and creates an economical way of generating electricity globally. In this paper, we have proposed the efficient PV-Wind Hybrid system. For making the system advanced and magnifying the output voltage we had introduced the Neural Network Based controller, NARMA-L2 controller in MPPT of the PV system. Similarly, ascending the output power of the system and making it distortion less we had used a PMSG based Wind Power System. And for maintaining the sag and swells of the system the DVR is used in the proposed network which is controlled by efficient Fuzzy Logic Controller. Further, the simulation results are analyzed using MATLAB/Simulink.

Dynamic Stability Enhancement of Grid Connected Wind System Using Grey Wolf Optimization Technique

Abstract: To maintain the dynamic stability of a system is a significant problem in the field of grid connected wind system. The dynamic stability may disturb due to any type of fault or disturbance incurred in a wind system. To overcome this dynamic stability problem, in this article a wind energy converting system is used. Here, super conducting magnetic energy storage (SMEs) unit is applied to the considered system. The SMES controller is designed by a voltage source converter (VSC) and a chopper. This SMEs unit supplies active and reactive powers when required, thus balances frequency and voltage of the system which ultimately results in enhancement of dynamic stability of the system. In this work, a recent grey wolf optimization technique (GWO) is applied to optimize the duty cycle of DC-DC chopper. According to the GWO optimized duty cycle signal of chopper charging and discharging of SMEs unit has been controlled. The validation of GWO based control scheme is done with the help of MATLAB simulation results.