STM JOURNALSScientific Technical Medical

Journal of Instrumentation

Technology & Innovations

ISSN : 2347 - 7261

www.stmjournals.com

Jan - April 2014

(JoITI)

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Journal of Instrumentation Technology & Innovations

Journal of Instrumentation Technology & Innovations

(ISSN: 2347-7261)

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Industrial Tribology Machine Dynamics & Maintenance

Engineering Centre (ITMMEC)

Indian Institute of Technology Delhi, India

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Alternative Energy Technology Laboratory,

Department of Physics,

Indian Institute of Technology, Chennai, India

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Varanasi, India

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Applied Chemistry, BIT Mesra,

Patna, India

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STM Journal (s) Advisory Board

Dr. Ashish RunthalaLecturer, Biological Sciences Group,

Birla Institute of Technology & Science, Pilani Rajasthan, India.

Dr. Baldev RajDistinguished Scientist & Director,

Indira Gandhi Centre for Atomic Research

(ICGAR)Kalpakkam, India.

Dr. Baskar KaliyamoorthyAssociate Professor, Department

of Civil Engineering National Institute of Technology Trichy, India.

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Metallurgical and Materials Engineering National Institute of Technology,

Rourkela, India.

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AIIMS, New Delhi, India.

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University, Baru Sahib, India.

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Indian Institute of Technology Madras, India.

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Nurture Earth R&D Pvt LtdMIT Campus, Beed bypass road,

Aurangabad, India.

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Department of Applied Chemistry, BIT Mesra, Patna, India.

Dr. Priyavrat TharejaHead, Materials and Metallurgical

Engineering department, PEC University of Technology,

Chandigarh, India.

STM Journal (s) Advisory Board & Editorial Board

Prof. Rajendra Prasad KhareInstrumentation Unit, Birla Institute of

Technology and Science, Pilani 333031, India.

Dr. M V. VaidyanProfessor, Department of Electrical Engineering, National Institute of

Technology, Calicut, Kerala, India -673601, India.

Dr. P.D.ShendgeAssociate Professor

Instrumentation & Control Deptt.College of Engineering, Pune

India.

Dr. Karunesh Kumar GuptaAssistant Professor

Electrical, Electronics and Instrumentation Engineering

BITS, Pilani, India.

Dr. R K MudiProfessor, Dept. of Instrumentation & Electronics Engg Jadavpur University

Kolkata, India.

Dr. Bhaswati GoswamiDepartment of Instrumentation &

Electronics EngineeringJadavpur University

Kolkata, India.

Dr. Manpreet Singh MannaAssociate Professor

Sant Longowal Institute of Engg. & Technology Punjab, India.

Dr. Alok Prakash MittalProfessor & Head, ICE Division

NSIT, India.

Dr. Adil SarwarProfessor

Electrical Engineering Department, Galgotias College of Engineering and

Technology, Greater Noida, India.

Dr. Surekha BhanotProfessor

EEE Department, BITS PilaniIndia.

Editorial Board

Dr. Anagha PanditraoProfessor

Cummins College of Engineering for Women, University of Pune

India.

Dr. M. D. UplaneProfessor,

Department of Instrumentation Science, University of Pune

Pune, India.

Dr. U. Sabura BanuDepartment of Electronics and Instrumentation Engineering

BS Abdur Rahman UniversityTamilnadu, India.

I take the privilege to present the hard copy compilation for the [Volume 4 Issue (1)] of Journal of

Instrumentation Technology & Innovation.The intension of JoITI is to create an atmosphere that

stimulates creativeness, research and growth in the area of Journal of Instrumentation Technology

& Innovation.

The development and growth of the mankind is the consequence of brilliant Research done by

eminent Scientists and Engineers in every field. JoITI provides an outlet for Research findings and

reviews in areas of Journal of Instrumentation Technology & Innovation found to be relevant for

National and International recent developments & research initiative.

The aim and scope of the Journal is to provide an academic medium and an important reference for

the advancement and dissemination of Research results that support high level learning, teaching and

research in the domain of Instrumentation Technology & Innovation.

Finally, I express my sincere gratitude and thanks to our Editorial/ Reviewer board and Authors for

their continued support and invaluable contributions and suggestions in the form of authoring write-

ups/ reviewing and providing constructive comments for the advancement of the journals. With

regards to their due continuous support and co-operation, we have been able to publish quality

Research/Reviews findings for our customers base.

I hope you will enjoy reading this issue and we welcome your feedback on any aspect of the Journal.

Dr. Archana Mehrotra

Director

STM Journals

Director's Desk

STM JOURNALS

1. Efficiency Improvement of Permanent Magnet Rotating Electrical Machine (PMREM) with Permanent Magnet Material Selection Manpreet Singh Manna, Naveen Kumar Pal 1

2. Integrated Maximum Power Point Tracking and Harmonic Reduction in a Grid Interactive Solar PV Inverter Adil Sarwar, M.S. J Asghar 7

3. Intelligent Baby Monitoring System: A Review Savita P. Patil, Manisha Mhetre 16

4. Use of Single Time Reference Measurements of Bus Variable in the Determination of Voltage Instability Condition of a Power System Durlav Hazarika 24

ContentsJournal of Instrumentation Technology & Innovations

JoITI (2014)© STM Journals 2014. All Rights Reserved

Journal of Instrumentation Technology & Innovation ISSN: 2347-7261

Volume 4, Issue 1

www.stmjournals.com

Efficiency Improvement of Permanent Magnet Rotating

Electrical Machine (PMREM) with Permanent Magnet

Material Selection

Manpreet Singh Manna*, Naveen Kumar Pal Department of Electrical & Instrumentation Engineering,Sant Longowal Institute of Engineering and

Technology, Longowal, Punjab, India

Abstract There are many Permanent Magnet Machines available in the market with the different

type of PM material. The rare earth permanent magnet material changes the whole

scenario of the market. In comparison with SmCo and AlNiCO magnets, NdFeB magnets have low corrosion resistance. Their chemical reactivity is similar to that of alkaline

earth metals like magnesium. Under normal conditions the NdFeB reacts slowly. The reaction is faster at higher temperatures and in the presence of humidity. In this paper

the Finite Element model of Rotating Electrical machine simulated using FEM based

software for all the three permanent magnetic materials to find the optimum design for achieve higher efficiency of the machine with same dimension and supply conditions. The

comparative analysis was computed for different electromagnetic characteristics viz.

magnetic flux, current density norm, magnetic energy density etc.

Keywords: Rare earth permanent magnet, PMREM-permanent magnet rotating

electric machine, finite element method, efficiency improvement of REM (rotating

electric machine)

JoITI (2014)© STM Journals 2014. All Rights Reserved

Journal of Instrumentation Technology & Innovation ISSN: 2347-7261

Volume 4, Issue 1

www.stmjournals.com

Integrated Maximum Power Point Tracking and

Harmonic Reduction in a Grid Interactive

Solar PV Inverter

Adil Sarwar1*, M.S. J Asghar

2

1Department of Electrical Engineering, GCET, Greater Noida, India

2Department of Electrical Engineering, AMU, Aligarh, India

Abstract A solar photovoltaic (PV) cell exhibits a non-linear i-v characteristic and its maximum

power point (MPP) varies with solar insolation and temperature. A dc-to-dc converter is

generally employed along with inverter circuit to operate the solar PV system at maximum power point. This adds to the cost, which increases significantly with the size of

the system. Moreover, grid-tie inverter employing thyristors has square wave line current which is rich in harmonic contents. Pulse Width Modulation (PWM) based inverters

employing IGBT or MOSFET are less reliable and has low power handling capability.

The paper describes a converter topology employing discontinuous phase control technique for a solar PV based grid-tie inverter. The system is simulated by

SIMULINK/MATLAB and the performance is experimentally verified. There is

substantial reduction in harmonics of the line current which can be further reduced by filters. The developed control algorithm does away with the dc-dc converter needed for

maximum power point tracker (MPPT). Thus, one conversion unit of dc-to-dc converter is avoided to control MPP.

Keywords: Discontinuous conduction, grid tie inverter, maximum power point

tracker, total harmonic distortion

JoITI (2014)© STM Journals 2014. All Rights Reserved

Journal of Instrumentation Technology and Innovations ISSN: 2347 - 7261

Volume 4, Issue 1

www.stmjournals.com

Intelligent Baby Monitoring System: A Review

Savita P. Patil*, Manisha Mhetre Vishwakarma Institute of Technology, Pune, India

Abstract Now a day in India both the parents need to work and look after their babies/infants, so

more workload and stress is there on such families especially on female counterparts. If a system is developed which continuously gives updates about their infants during illness

or during normal routine then it will be of great help to such members as they can work

in stress less environment giving more fruitful output. Also emergency condition can be

quickly be noticed and handled within less time. Usually, when a young baby cries, the

cause is one of the following things, i.e., they are hungry, tired, not feeling well or need

their diaper changed. So there are many such systems available which can monitor the activities of the babies and/or infants along with finding one of the above causes and give

this information to their parents. This paper mainly give review on many papers and patents about different baby’s vital parameters that need to monitor, different methods

for monitoring those parameter and communication methods.

Keywords: Baby monitoring, vital parameters, microcontroller, light emitting diode

(LED)

JoITI (2014)© STM Journals 2014. All Rights Reserved

Journal of Instrumentation Technology & Innovation ISSN: 2347-7261

Volume 4, Issue 1

www.stmjournals.com

Use of Single Time Reference Measurements of Bus

Variable in the Determination of Voltage Instability

Condition of a Power System

Durlav Hazarika* Electrical Engineering Department, Assam Engineering College, Guwahati, Assam, India

Abstract The paper describes a measurement based voltage stability index for monitoring of voltage stability condition of a power system. For this purpose, it is required to measure

the voltage and reactive power of a target/selected (bus under investigation) along with

the voltages of the other buses connected to the target/selected bus for a single time instant. These measurements and transmission line parameters for the lines connected to

the target/selected bus are used to determine the voltage stability index for the

target/selected bus. The validity and applicability of the proposed method has been established through simulation on IEEE 30 and IEEE 118 bus system.

Keywords: Voltage stability, power system, index, system variables