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The IUP Journal of Electrical and Electronics Engineering
ISSN: 0974-1704
A ‘peer reviewed’ journal distributed by EBSCO and Proquest Database

Oct'16

Previous Issues

Electrical and Electronics Engineering is a dynamic field which involves development and application of modern technology such as analogue and digital circuitry, microelectronics, microprocessors and memory devices, signal processing and data communications, control and expert systems,electromagnetism and telecommunication, electric machines, power systems and electricity distribution systems. The rapid development and innovation in these areas in the last two decades have undoubtedly improved our life a great deal in various aspects and the trend is expected to continue in the future. Realizing the growing importance of this field, IUP has come up with a quarterly journal, The IUP Journal of Electrical and Electronics Engineering.

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Focus Areas
  • Microprocessor & Microcontroller System
  • Rotor Vibrations
  • Microelectronic Devices and Circuits
  • Pulse Circuits
  • Rectifiers and Power Suppliers
  • Photonics
  • Permanent Magnet Machine
  • Numerical Magnetic Field Analysis
  • Electron Dynamics
  • Wireless Communications
  • Communication Networks
  • Microelectronics and Display Devices
  • Microwaves
  • Electrical Machines
  • High Speed Machine
  • High Voltage Engineering
  • Rotating Electrical Machines
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Designing an Ultra-Low Voltage Energy Harvesting Circuit Using Piezoelectric Materials
A Review of Transition Metal-Doped In2O3-Based Diluted Magnetic Semiconductors
Design and Implementation of a 5 kVA Inverter
Model Predictive Control of 3Φ, 15-Level Inverter
Calibration of the Beam Pointing Accuracy of an Antenna Array Using the Celestial Radio Source
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Contents
(October 2016)

Designing an Ultra-Low Voltage Energy Harvesting Circuit Using Piezoelectric Materials

--Parveen Kumari and Sunita Malik

The paper presents designing of an ultra-low voltage energy harvesting circuit for generating rectified voltage, using vibrating piezoelectric element. Very little power is consumed by the proposed method, which is especially suitable for the environments where ambient harvested power is too low. The energy harvesting circuit consists of diode bridge AC-DC rectifier and a supercapacitor as energy storage device, an electrochemical battery and a switch-mode DC-DC converter that controls the energy flow into the battery. Other rectification circuitries are also included like active rectifier with switch. The paper addresses the important issues regarding the efficiencies of the energy harvesting circuits considering the storage device as low voltage. The proposed circuits are simulated using Pspice.

Article Price : Rs.50

A Review of Transition Metal-Doped In2O3-Based Diluted Magnetic Semiconductors

--Rana Mukherji, Vishal Mathur, Arvind Samariya and Manishita Mukherji

Indium Oxide (In2O3)-based Diluted Magnetic Semiconductors (DMS) have attracted a great deal of research attention and controversy over the past decade. These materials are of particular interest due to possibility of achieving transparent ferromagnetic property at room temperature. These materials are of particular interest for spintronic devices such as spin valves. This review focuses primarily on some Transition Metals (TMs) doped in In2O3 DMS samples in order to clarify which materials are prospective ferromagnetic.

Article Price : Rs.50

Design and Implementation of a 5 kVA Inverter

-- Johnson Adegbenga Ajiboye, Chukwuka Anene, Mary Adebola Ajiboye and Abraham U Usman

The paper describes the design and construction of a 5 kVA Pulse Width Modulated (PWM) Metal Oxide Semiconductor Field Effect Transistor (MOSFET)-based inverter, which works on the principle of PWM. The inverter uses IC SG3524 and a pair of Twelve MOSFETs to drive the load. The design and implementation starts with the power supply. Component selection was made with the aid of electronics data book, which made the design and calculations very easy. One main feature of this inverter is the monitoring section, and the battery-charging section connected to the inverter circuit. The inverter converts DC supply of the battery into AC power supply required by most electrical appliances/equipment when the AC main is not available; and when the AC main is available, the supply goes to the AC main sensor, the relays and battery charging section of the inverter. This inverter can be used for domestic purpose, and it is not recommended for industrial purpose where high current is required for application, such as starting a heavy-duty motor.

Article Price : Rs.50

Model Predictive Control of 3Φ, 15-Level Inverter

--R Vijayakumar and Alamelu Nachiappan

The paper presents the implementation of Finite Control Set Model Predictive Control (FCS-MPC) in power inverter loads. The proposed new technique makes the Multilevel Inverter (MLI) using series and parallel voltage sources. The switching states of the FCS-MPC are directly applied to the power inverter without any modulation stage. The results show that the outputs are more efficient and with very less harmonics. The simulation has been analyzed using MATLAB/Simulink and a hardware prototype is implemented. It is concluded that MPC offers a new and very attractive alternative for controller in power inverters.

Article Price : Rs.50

Calibration of the Beam Pointing Accuracy of an Antenna Array Using the Celestial Radio Source

--Madhu G C and Jhansi J

The paper explains a method to calibrate the beam pointing accuracy of the MST radar-phased antenna array present in the National Atmospheric Research Laboratory (NARL) in Gadanki, India. Phase switched interferometer is used to receive the radio frequency radiations from a celestial radio source called Virgo-A (M87) during its transit time over the coordinates of the antenna array. The radar beam is oriented in a specific direction to receive the radiation pattern generated by the Virgo-A, through which it is possible to determine the error in the beam pointing accuracy.

Article Price : Rs.50
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Automated Teller Machines (ATMs): The Changing Face of Banking in India

Bank Management
Information and communication technology has changed the way in which banks provide services to its customers. These days the customers are able to perform their routine banking transactions without even entering the bank premises. ATM is one such development in recent years, which provides remote banking services all over the world, including India. This paper analyzes the development of this self-service banking in India based on the secondary data.

The Information and Communication Technology (ICT) is playing a very important role in the progress and advancement in almost all walks of life. The deregulated environment has provided an opportunity to restructure the means and methods of delivery of services in many areas, including the banking sector. The ICT has been a focused issue in the past two decades in Indian banking. In fact, ICTs are enabling the banks to change the way in which they are functioning. Improved customer service has become very important for the very survival and growth of banking sector in the reforms era. The technological advancements, deregulations, and intense competition due to the entry of private sector and foreign banks have altered the face of banking from one of mere intermediation to one of provider of quick, efficient and customer-friendly services. With the introduction and adoption of ICT in the banking sector, the customers are fast moving away from the traditional branch banking system to the convenient and comfort of virtual banking. The most important virtual banking services are phone banking, mobile banking, Internet banking and ATM banking. These electronic channels have enhanced the delivery of banking services accurately and efficiently to the customers. The ATMs are an important part of a bank’s alternative channel to reach the customers, to showcase products and services and to create brand awareness. This is reflected in the increase in the number of ATMs all over the world. ATM is one of the most widely used remote banking services all over the world, including India. This paper analyzes the growth of ATMs of different bank groups in India.
International Scenario

If ATMs are largely available over geographically dispersed areas, the benefit from using an ATM will increase as customers will be able to access their bank accounts from any geographic location. This would imply that the value of an ATM network increases with the number of available ATM locations, and the value of a bank network to a customer will be determined in part by the final network size of the banking system. The statistical information on the growth of branches and ATM network in select countries.

Indian Scenario

The financial services industry in India has witnessed a phenomenal growth, diversification and specialization since the initiation of financial sector reforms in 1991. Greater customer orientation is the only way to retain customer loyalty and withstand competition in the liberalized world. In a market-driven strategy of development, customer preference is of paramount importance in any economy. Gone are the days when customers used to come to the doorsteps of banks. Now the banks are required to chase the customers; only those banks which are customercentric and extremely focused on the needs of their clients can succeed in their business today.

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