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

The hybrid powered automated Compressed Stabilized Earth Brick (CSEB) making machine employs solar energy to hydraulically compress the soil mixture. This machine overcomes the laborious effort and low productivity of manually compressed earth bricks. This green technology mitigates the challenge of environment pollution caused by fired brick kilns. Since it is indigenous, it alleviates the necessity to import expensive automatic brick making machines. Civil construction material for rural communities in India is made affordable, and additionally it generates employment.

Design of Hybrid Powered Automated Compressed Stabilized Earth Block (CSEB) Machine

Nowadays a wide range of medium voltage DC collection grid technologies are used in renewable energy applications to increase power density. The existing medium voltage DC collection grids are integrated with medium voltage DC-DC converters. These DCDC converters are employed with bulky passive components like step-up transformers, which lead to more cost and space requirement. This paper considers a medium voltage DC collection grid technology for large-scale solar PV power plants having Interleaved Modular Multilevel (IMMC) DC-DC step-up converter, which consists of four sets of IMMC converter blocks connected in series which are powered by two sets of solar panels. With regard to these IMMC, imbalance in the voltage of each sub-module capacitors is a major issue to be addressed. Simulation of the system is designed for converting 1500 V DC input to 16 kV at DC collection grid. A PID controller is proposed to balance the voltage of each sub-module capacitors in the interleaved modular multilevel converter (IMMC). The results obtained by simulation in Matlab Simulink shows the better performance in voltage balancing.

Enhanced Capacitor Voltage Balancing of Interleaved Modular Multilevel Converter in Medium Voltage DC Collection Grid

This paper discusses construction and testing of a scaled down model of 33 kV substation using SCADA (Supervisory Control And Data Acquisition). The model works as a testing platform for conducting various kinds of automation tests like unscheduled load shedding, time based load shedding, over voltage protection etc. The model provides hands on experience of automation which results in enhancement of control, accuracy, and reliability of the substation. The substation is monitored and controlled using SCADA. The objective of this paper is to demonstrate how to develop an efficient system and using it as a real-world testing platform that enables the collection of right amount of data and relaying it to the controlling utility at right time to take right actions for smooth performance and good efficiency. Also to study the security concerns of the system by modelling the threats associated it.

Development of SCADA automated 33kV substation model as testing platform

Droop control is a conventional method for seamless integration of multiple power sources to feed a power grid. It is a decentralised power flow control mechanism which doesn't involve any communication links between the controllers which feed energy. Droop control mechanism has poor voltage regulation despite its advantage of decentralised control. This is because the droop characteristics of connected systems that feed energy to the grid are different. This paper proposes an advanced multi droop characteristics mechanism which involves selection of droop characteristics based on the tolerance band of the voltage. If the DC bus voltage of the microgrid falls below a particular tolerance band level, the intelligent controller shifts the droop characteristics to a new droop characteristics that makes the system to work within the standard voltage levels. To avoid jerks and transients in the bus voltage due to the shift in droop characteristics in real time, a voltage level-based hysteresis is used. The proposed control strategy is simulated and verified using MATLAB Simulink. Results are discussed towards the end of the paper.

Multi Trajectory Based Droop Control of DC Microgrids for Improved Voltage Regulation

Advancements in power electronic systems has brought forth the modernization of residential power systems exponentially. The interfacing of AC and DC loads with various kinds of resources of energy has been achieved with the help of modern nanogrid architectures. This paper brings into depiction a Tapped Boost derived hybrid converter that can be used to meet the demands of both AC and DC loads having a solitary DC input. A voltage source inverter (VSI) bridge network is used instead of the single switch of a Tapped Boost converter. The VSI bridge has shoot-through protection in the inverter stage increasing its importance for smart power systems. The Tapped Boost derived converter also borrows the advantages provided by the Tapped Boost converter. The paper covers topics like the operation, steady-state analysis and operating modes of the proposed Tapped Boost-DHC. The output and input characteristics has also been tested and verified through simulatio

/pdf/hybrid-converter-to-supply-dc-and-ac-loads-using-tapped-1fy0vbwor9.pdf

P. Kanakasabapathy

Papers

Design of Hybrid Powered Automated Compressed Stabilized Earth Block (CSEB) Machine

Enhanced Capacitor Voltage Balancing of Interleaved Modular Multilevel Converter in Medium Voltage DC Collection Grid

Development of SCADA automated 33kV substation model as testing platform

Multi Trajectory Based Droop Control of DC Microgrids for Improved Voltage Regulation

Hybrid converter to supply DC and AC Loads using Tapped Boost Topology