This document provides updates to IEEE Std 802.16's MIB for the MAC, PHY and asso- ciated management procedures in order to accommodate recent extensions to the standard.

IEEE Standard for Local and Metropolitan Area Networks Part 16: Air Interface for Fixed Broadband Wireless Access Systems Draft Amendment: Management Information Base Extensions

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Power Electronics Converters Applications And Design

Clean and environment-friendly energy harvesting are of prime interest today as it is one of the key enablers in achieving the Sustainable Development Goals (SDGs) as well as accelerates social progress and enhances living standards. India, the second-most populous nation with a population of 1.353 billion, is one of the largest consumers of fossil fuels in the world which is responsible for global warming. An ever-increasing population is projected until 2050, and consequently, the energy demand in the upcoming decades will be co-accelerated by the rapid industrial growth. The Ministry of New and Renewable Energy (MNRE) with the support of National Institution for Transforming India (NITI) Aayog is working to achieve the Indian Government's target of attaining 175 GW through renewable energy resources. Many Indian states are currently increasing their renewable energy capacity in an objective to meet future energy demand. The review paper discusses in-depth about the three Indian states, namely Karnataka, Gujarat, Tamil Nadu, which pioneers the renewable energy production in India. The global energy scenario was discussed in detail with Indian contrast. Further, the barriers to the development of renewable energy generation and policies of the Indian government are discussed in detail to promote renewable energy generation throughout India as well as globally since the challenges are similar for other nations. This study analyzed various prospects of the country in renewable energy which has been done in a purpose to help the scholars, researchers, and policymakers of the nation, as it gives an insight into the present renewable energy scenario of the country.

/pdf/a-comprehensive-review-on-renewable-energy-development-1ec239x6fp.pdf

A Comprehensive Review on Renewable Energy Development, Challenges, and Policies of Leading Indian States With an International Perspective

https://vbn.aau.dk/ws/files/206009396/Correction.pdf

Practical operation strategies for pumped hydroelectric energy storage (PHES) utilising electricity price arbitrage

Experimental validation of a real time energy management system for microgrids in islanded mode using a local day-ahead electricity market and MINLP

Solar photovoltaic (PV) powered UPS system requires a smart control and energy management techniques along with battery charger for efficient power transfer and energy storage. This paper presents the energy management system and controller design of the solar aided UPS implemented with the half-bridge converter. Designed DC-DC converter employs the voltage mode control using Maximum Power Point Tracking (MPPT) and the battery charging control loop. The control objective is to balance the power • ow from the PV module to the battery and the load such that the PV power is utilized effectively and the battery is charged with three charging stages. Unlike conventional UPS systems, the control technique prioritizes solar power over grid to charge the battery. To improve the battery efficiency and life time different SOC levels have been chosen and energy management is done by monitoring the SOC.

Energy management and control of solar aided UPS

The IEEE 802.16 broadband wireless access system (BWA) offers the advantage of fast deployment and cost-effective solution to the last-mile wireless connection problem. For mass adoption and large scale deployment of BWA system, it must support quality of service (QoS) for real-time and high bandwidth applications. The IEEE 802.16 standard defines the QoS signaling framework and various types of service flows, but the actual QoS mechanisms such as packet scheduling algorithms for these service flows are unspecified in the standard. We evaluate the performance of the various packet scheduling algorithms and also propose an efficient scheduling algorithm based on the transmission opportunity given to each station to support QoS in IEEE 802.16 standard. We show that the proposed scheduler provides improved performance in terms of mean delay and average system throughput compared to the other scheduling schemes through extensive simulations.

Performance evaluation of scheduling schemes for fixed broadband wireless access systems

This paper brings into depiction two novel converter models, a switched-inductor Cuk-derived hybrid converter (SICDHC) and a switched-capacitor Cuk-derived hybrid converter (SCCDHC) that can be used for meeting the demands of both AC as well as DC loads fed from a solitary DC input. The proposed hybrid converter can achieve an improved output voltage gain factor as compared to the simple Cuk-derived hybrid converter (CDHC). The steady state analysis of the proposed converters has been studied in this paper. Moreover, a suitable control methodology for the operation of the hybrid converters has been discussed. The validity of the proposed hybrid converter structures has been validated through simulation.

Switched-capacitor/switched-inductor Ćuk-derived hybrid converter for nanogrid applications

Maximum power point tracking (MPPT) is an algorithm to extract maximum available power from a solar photovoltaic system associated with DC-DC power converters. Conventional MPPT methods like Perturb and Observe (P&O) algorithm and Incremental Conductance algorithm are inefficient, as they cannot differentiate between local and global MPP. In addition, they oscillate on reaching MPP due to their fixed step size. Advanced methods using Artificial Neural Networks and Artificial Intelligence based methods were proposed to overcome these problems. These advanced methods have high tracking efficiency and they are fast. Particle Swarm Optimization algorithm based MPPT method a simple and basic method of Artificial Intelligence based MPPT methods. This paper presents a brief review of advanced artificial intelligence based MPPT methods alongside the generic SPV model utilized for simulation.

A Review on Advanced MPPT methods for SPV system under Partial Shaded Conditions

In a standalone DC microgrid connected with multiple renewable resources and storage elements, parallel dc-dc converters are more commonly used as interfacing unit between renewable energy sources and load. Current is shared between various power converters which are connected in parallel fashion to maintain a stable DC voltage in the grid. In order to ensure better load sharing in DC microgrid applications, droop control technique is more commonly used. But this control technique cannot ensure a decent level of voltage regulation. In order to address this problem, an improvisation is made in the conventional droop control strategy to obtain a better voltage regulation. This in turn improves the reliability of the system under various conditions. Proposed control technique is simulated and results are provided in this paper.

P. Kanakasabapathy

Papers

Energy management and control of solar aided UPS

Performance evaluation of scheduling schemes for fixed broadband wireless access systems

Switched-capacitor/switched-inductor Ćuk-derived hybrid converter for nanogrid applications

A Review on Advanced MPPT methods for SPV system under Partial Shaded Conditions

A simulation study on modified droop control for improved voltage regulation in DC microgrid