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i-manager's Journal on Electrical Engineering (JEE)

Current Issue Vol. 17 Issue 2

Most Cited

Volume 6 Issue 1 July - September 2012

Research Paper

Five Level VSI Based STATCOM In Fourteen Bus System

S.D.Sundarsingh Jebaseelan* , R. R. Prabu**

* Research Scholar, Sathyabama University, Chennai, Tamil nadu, India.

** Professor and Head, Department of E.E.E, B.S. Abdur Rahman University, Chennai.

S.D. Sundarsingh Jebaseelan and R. Raja Prabu (2012). Five Level VSI Based STATCOM In Fourteen Bus System. i-manager’s Journal on Electrical Engineering, 6(1), 1-5. https://doi.org/10.26634/jee.6.1.1950

Abstract

This paper deals with the performance of fourteen bus systems with and without STATCOM using five level inverter VSI circuit. The VSI is extremely fast in response to reactive power change. A Static Compensator (STATCOM) is a device that can provide reactive support to a bus. It consists of voltage source inverters connected to an energy storage device on one side and to the power system on the other. STATCOM is a device which can supply the required reactive power at low values of bus voltage and can also absorb active power if it has large energy storage. It also required having less harmonic contents in the output and higher compensation VA capacity. When the reactive power of the load is changing continuously, a suitable fast response compensator is needed. STATCOM, TCTC, UPFC, TCSC, SVC are the compensators belonging to FACTS devices. Models for the STATCOM is developed using MATLAB simulink. The simulation of the STATCOM is performed in the Simulink environment and the results are presented.

References

[1]. R. Mienski, R. Pawelek and I. Wasiak (2004). “Shunt Compensation for Power Quality improvement using a STATCOM controller: Modeling and simulation”, IEEE Proce, Vol.51, No. 2.

[2]. C. Benachaiba and B. Ferdi (2009). “Power quality improvement using DVR”, American Journal of Applied sciences, pp 396 – 400.

[3]. S.V. Ravi Kumar and S. Siva Nagaraju (2007). “ Simulation of D- STATCOM and DVR in power systems,” ARPN Journal of Engineering and Applied Sciences, Vol 2, No 3.

[4]. G.Sundar and Dr. S. Rama Reddy (2009). “Digital Simulation of Multilevel inverter based STATCOM,” Journal of Theoretical and Applied information Technology.

[5]. Amit Jain, Karan Joshi, Aman Behal and Ned Mohan (2006). “Voltage Regulation with STATCOMs: Modeling, Control and Results”, IEEE Transaction on Power Delivery, vol. 21, no. 2, pp. 726-735.

[6]. Pranesh Rao, student member (2000). IEEE, M.L. Crow, Senior member, IEEE and Zhiping Yang, student member, IEEE,“STATCOM control for power system voltage control applications”, IEEE Transactions on power Delivery, Vol 15, No.4.

[7]. Deepika Masand, Shailandra Jain and Ayatri Agnihotri (2008),”Control Strategies for Distribution Static Compensator for Power Quality improvement”, IEEE Journal of research vol.54,Issue 6.

[8]. P. Venkata Kishore and Dr. S. Rama Reddy (2010). “Voltage sag mitigation in eight bus system using DSTATCOM for power quality improvement”, International Journal of Engineering science and Technology, Vol.2(4).

[9]. Pierre Gipoux, Gilbert sybille and Hoang Le-Huy (2001). “Modeling and simulation of a distribution STATCOM using simulink's power system block”, conference of the IEEE Industrial Electronics society.

[10]. S.D SundarSingh Jebaseelan and Dr. R. Raja Prabu (2012). “Modelling and Simulation of Thirty Bus System Using Multiple STATCOM & TCTC”, European Journal of scientific Research, Vol 81, No 2, pp.285-297.

[11]. Jianye Cuen, Shan Song, Zanji Wang, (2006). “ Analysis and implement of Thyrister based STATCOM”, International conference on Power System technology.

[12]. Adlin Sughi .M.G, Siji, A and S.D. Sundarsingh Jebaseelan (2011). “Simulation and Implementation of STATCOM using Multi level Inverter”, National Conference on Recent advancements in power control & Drives, RAPCD – 11, Eienstien Engineering College, pp.14 – 17.

[13]. S.D. SundarSingh Jebaseelan and Dr. R. Raja Prabu (2012). “Performance of Thirty bus system with and without STATCOM”, International conference on Trends in Electrical, Electronics and power Engineering (ICTEEP 2012), pp 87 – 91, July 15 – 16, 2012 Singapore.

[14]. S.D. Sundarsingh Jebaseelan and Dr. R. Raja Prabu (2012),.“Analysis and Implementation of Eight Bus System Using STATCOM”, National conference on Computational Intelligence Power Apparatus and Systems, CIPS 2012, SRM University, pp.181 – 184.

[15]. A.K. Sahoo, S.S. Dash, and T. Thyagarajan, (2010). Power Flow Study Including FACTS Devices. Journal of Applied Sciences, 10: 1563-1571. Pierre Gipoux, Gilbert sybille and Hoang Le-Huy

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Research Paper

Enhancement of the Maximum Loading of Distribution Systems Using Genetic Algorithm

venkata prasad* , T.Ramana**

* Professor, Dept. of Electrical Engg, Chaitanya Bharathi Institute of Technology (CBIT), Hyderabad.

Professor & Head, Dept. of Electrical & Electronics Engg, J.N.T.U.K. College of Engg (Autonomous) Kakinada, AP, India.

* Ph.D Student, JNTUA Ananthapur, AP, India.

P. Venkata Prasad, S. Sivanagaraju and T. Ramana (2012). Enhancement Of The Maximum Loading Of Distribution Systems Using Genetic Algorithm. i-manager’s Journal on Electrical Engineering, 6(1), 6-10. https://doi.org/10.26634/jee.6.1.1951

Abstract

It is very important to determine the loading of distribution network because it helps in distribution system planning and network reconfiguration etc. In this paper enhancement of maximum loading of radial distribution feeders using genetic algorithm is proposed. The enhancement is done by the optimal conductor selection of radial distribution system. The effect of load models on the enhancement of maximum loading is also investigated. The load growth period is also considered in the investigation. With the proposed method optimal set of conductors are selected by maintaining acceptable voltage limits and current carrying capacity of the feeders. The effectiveness of the proposed method is illustrated with 32-node practical radial distribution system. The proposed method will reduce the real and reactive power losses and also improves the voltage profile.

References

[1]. S. Sivanagaraju, N. Sreenivasulu, M. Vijayakumar. And T. Ramana (2002). Optimal conductor selection for radial distribution systems, Electric Power System Research, 63, pp.95-103.

[2]. Zhuding Wang, Haijun Liu, David C Yu, XiaohuiWang and Hongquan Song, (2000). A Practical Approach to the Conductor Size Selection in Planning Radial Distribution Systems, IEEE Trans. Power Systems, 15(1), pp. 350-354.

[3]. Karen Nan Miu and Hsiao-Dong Chiang(2000), Electrical Distribution Load Capability: Problem Formulation, Solution Algorithm, and Numerical Results, IEEE Trans. Power Delivery, 15(1), pp. 436- 442.

[4]. D. Das (2004), Maximum Loading and Cost of Energy Loss of Radial Distribution Feeders, International Journal of Electrical Power and Energy Systems, 26 (1), pp. 307-314.

[5]. W.G. Kirn and R.B Adler. (1982). A Distribution System Cost model and its Application to Optimal Conductor Sizing, IEEE Trans. Power App. and Sys., 101(2), pp. 271- 275.

[6]. Smarajit Ghosh, Uttamjit Singh Chhatwal (2009), Enhancement of Loading of Radial Distribution Networks Using Optimal Conductor Size, International Journal of Computer and Electrical Engineering, 1(2), pp.126-134.

[7]. S. Satyanarayana, T. Ramana, G.K. Rao, S. Sivanagaraju (2006), Improving the maximum loading by optimal conductor selection of radial distribution systems, Elec. Power comp. 34, pp.747-757.

[8]. P.V. Prasad, S. Sivanagaraju, N. Sreenivasulu, (2007). Optimal conductor selection of radial distribution system using genetic algorithm, XXXI National Systems Conference conducted by Manipal Institute of Technology, during 14-15th December.

[9]. Devender Singh, R.K. Misra, & Deependra Singh (2007). Effect of load models in distributed generation planning, IEEE Trans. on Power Systems, 22(4), pp.2204- 2212.

[10]. J.S. Savier, & D. Das. (2012), An exact method for loss allocation in radial distribution systems, International Journal of Electrical Power and Energy Systems, 36(1), pp.100-106.

[11]. M. Ramalingaraju, KVS Ramachandra Murthy, & K. Ravindra (2012). Direct search algorithm for capacitive compensation in radial distribution systems, 42(1), pp.24- 30.

[12]. L.D. Arya, S.C. Choube, M. Shrivastava, & D.P. Kothari. (2010). Loadability margin enhancement using coordinated aggregation based particle swarm optimization, 32(9), pp.975-984.

[13]. Ming-Bin Li, Ching-TZong Su, Chih-Lung Shen (2010). The impact of covered overhead conductors on distribution reliability and safety,32 (4), pp.281-289.

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Research Paper

A Paper ON Bidding Strategy in an Open Access of Indian Electricity PowerMarket: An Overview and Key Issues

V.Madhu Sudana Reddy* , B. Subramanyam**

* Associate Professor, Visvodaya Engineering College, India

** Professor, K.L.University, India.

V. Madhu Sudana Reddy and B. Subramanyam (2012). A Paper On Bidding Strategy In An Open Access Of Indian Electricity Power Market: An Overview And Key Issues. i-manager’s Journal on Electrical Engineering, 6(1), 11-17. https://doi.org/10.26634/jee.6.1.1952

Abstract

The main intention of Bidding strategies is to run the system in free and fair manner with desired quantity of power to the consumer’s at most economical price through safe, secure and reliable operation of the power system. Bidding arrangement is properly designed in every country to take care of other abuse of market; these arrangements are kept on changing from time to time depending on the requirement for transparent and non-discriminatory electricity market. In this paper Bidding Strategy of Indian Power Markets, important Key Issues, Electricity Act’s and Challenges in this field are analyzed and also explain about calculation of MCP (Rs/MWh) and Volume (MW) with the help of IEX on-line data.

References

[1]. F.S. Wen, & A.K. David, (2001). ”Strategic bidding for electricity supply in a day-ahead energy Market” Electric Power Systems Research 59 197–206.

[2]. Indian Electricity Exchange [Online]: Available: www.iexindia.com

[3]. M. Shahidehpour, H. Yamin, & Z. Li, (2002)“Market Operation in Electric Power systems, Forecasting, scheduling and Risk management”, John Wiley & sons.

[4]. F. Wen and A. K. David, (2001). “Optimal bidding strategies and modeling of imperfect information among competitive generators”, IEEE Transaction on Power Systems, Vol. 16, No.1, pp. 15-21

[5]. A.K. David and F. Wen, (2001). “Optimal bidding strategies for competitive generators and large consumers”, Electrical Power and Energy Systems Vol. 23, No.1, pp. 37-43.

[6]. A.K. David and F. Wen, (2001). “Strategic bidding for electricity supply in day-ahead energy market”, Electrical Power System Research, Vol. 59, No. 3, pp. 197-206.

[7]. Rajkumar Ragupathi & Tapas K. Das. (2004). A Stochastic Game theory Approach for Modeling Wholesale Energy Bidding in Deregulated Power Markets. IEEE Transaction on Power Systems, Vol.19, No.2, pp. 849- 856.

[8] G. Xiong, S. Okuma & H Fujita. (2004). “Multi- agent Based Experiments on Uniform price and Pay as bid Electricity Q Auction Markets”. Proceeding of Conference on Electrical Utility Deregulation, Restructuring and Power technologies, Hong Kong, pp. 72-76.

[9]. R. W. Ferrero, S. M. Shahidehpour, and V. C. Ramesh, (1997), “Transaction analysis in deregulated power system using game theory,” IEEE Transaction Power Systems, Vol. 12, No. 3, pp. 1340-1347.

[10]. Power Exchange India Limited [online]: Available: www.powerexindia.com.

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Research Paper

HVDS approach for reducing the Technical and Non-technical losses to enhance the Electrical Distribution System performance

P. Ravi Babu* , Sushma B, Ashwin Kumar B*

* Professor in EEE department, CVR College of Engineering, Hyderabad, India.

-* PG Student, Affiliated to JNTUH, CVR College of Engineering, Hyderabad, India.

P. Ravi Babu, Sushma B. and Ashwin Kumar B (2012). HVDS Approach for Reducing the Technical and Nontechnical Losses to Enhance the Electrical Distribution System Performance. i-manager’s Journal on Electrical Engineering, 6(1), 37-41. https://doi.org/10.26634/jee.6.1.1953

Abstract

This paper presents a new methodology for enhancing the distribution system performance by minimizing both technical and non technical losses. Most of the utility companies in developing countries are victims of major revenue losses due to technical and non technical energy losses. The non technical losses are like electricity theft, unauthorized connections, irregular billing and the technical losses are I2R power losses. These losses affect the quality of supply in terms of voltage magnitude, and more tariffs imposed on genuine customers. To improve the efficiency of supply, one of the recommendations is “Boosting the distributor phase voltage, say from 100% to 152% that is, 230V to 350V and stepping down to normal operating voltage (230V) at the consumer premises by using a special voltage regulator device”. The methodology can reduce the technical and non technical losses in the electrical distribution system up to 36.12% of total power supplied to electrical distribution system. Hence the voltage profile can be improved by reducing the I2R losses. As the normal operating voltage of any home appliances is 230V, in the proposed methodology the electrical distributor phase voltage is maintained up to 350V.So if any domestic consumer tries to get unauthorized/illegal power tapping connection, the home appliances are get damaged due to over voltage. Hence, with this approach there is no chance for power theft or unauthorized connections in the distribution system. When the electrical distributor operates with more voltage than the normal operating voltage, the I2R losses in the distributor will be reduced considerably.

References

[1]. Soma Shekara Sreenadh Reddy Depuru, Lingfeng Wang, and Vijay Devabhaktuni, (2011). “Support Vector Machine Based Data Classification for Detection of Electricity Theft”, IEEE Power Systems Conference and Exposition (PSCE), pp. 01-08, March 20th – 23rd.

[2]. S.S. Depuru, L. Wang, and V. Devabhaktuni, (2010). “A Conceptual Design Using Harmonics to Reduce Pilfering of Electricity ”, IEEE conference at Minneapolis, Minnesota, pp. 1, July 25th -29th.

[3]. Juan I. Guerrero, Carlos Leon, Felix Biscarri , Inigo Monedero, Jesus Biscarri, Rocio Millan (2010). “Increasing the Efficiency in Non-Technical losses detection in Utility Companies”, 15th IEEE Mediterranean Electro technical Conference, pp.136 - 141, April 26-28.

[4]. M.E. De Oliveira, D.F.A. Boson, and A. Padilha-Feltrin, (2008). “A Statistical Analysis of Loss Factor to Determine the Energy Losses” IEEE conference on Transmission, Distribution and Exposition, pp.1-6, 13-15, Aug.

[5]. M.A. Ghorbani, S.H. Hosseinian and B. Vahidi (2008). “Application of Ant Colony System Algorithm to Distribution Networks Reconfiguration for Loss Reduction”11th International Conference on Optimization of Electrical and Electronic Equipment, pp.269 - 273, 22nd -24th May.

[6]. J.W. Fourie & J.E. Calmeyer (2004). “A Statistical Method to Minimize Electrical Energy Losses in a Local Electricity Distribution Network” 7th AFRICON IEEE Conference in Africa, Vol.2, pp. 667-673, 15-17 Sept.

[7]. S.A. Sampath Kumar, V. Vasudaven, J. Antony, Madhu Sudhana Raju, L. Ramesh (2011). “Minimization of Power Losses in Distribution System through HVDS Concepts” Proc. Of 2ndInternational Conference on Sustainable Energy and Intelligent System (SEISCON), pp.86-90, July.

[8]. M.A. Kashem, V. Ganapathy, G.B. Jasmon, M.I. Buhari (2000). “A Novel Method for Loss Minimization in Distribution Networks” Proc. of IEEE International Conference on Electric Utility Deregulation and Restructuring and Power Technologies, London, pp.251- 256, 4-7April.

[9]. Innocent E. Davidson (2002). “Evaluation And Effective Management Of Non-Technical Losses In Electrical Power Networks” 6th IEEE International Conference in Africa, Vol.1, pp. 473 – 477, 2nd – 4th Oct.

[10]. Dmitry A. Andreev, Alexander N. Nazarychev alexey. I. Tadzhibaev (2009). “Operation of Electrical Equipment In Distribution Networks On The Basis Of Its Technical Life Assessment” Proc at 20th International Conference and Exhibition on Electricity Distribution (CIRED), Prague, pp.1-3,8th -11th June.

[11]. Lin Yang and Zhizhong Guo (2008). “Comprehensive Optimization for Energy Loss Reduction in Distribution Networks” Proc. at IEEE Power and Energy Society General Meeting - Conversion and Delivery of Electrical Energy in the 21st Century, pp.1-8,20th -24th July.

[12]. P.V.V. Rama Rao, S. Sivanagaraju and P. V. Prasad (2010). “Network Reconfiguration for Loss reduction using Plant Growth Simulation Algorithm” IEEE International Conference on Power ,Control and Embedded Systems (ICPCES), pp.1-4, 29th Nov-Dec.1.

[13]. Vahid Farahani, Behrooz Vahidi, Hossein Askarian Abyaneh, (2011). “Reconfiguration and Capacitor Placement Simultaneously for Energy Loss Reduction Based on an Improved Reconfiguration Method”, IEEE Trans. on Power Systems, Vol.27 ,pp.587-595, May.

[14]. Ammar Al-Sabounchi ,John Gow , Marwan Al- Akaidi, Hamda Al-Thani (2011). “Minimizing Line Energy Loss of Radial Distribution Feeder with a PV Distributed Generation Unit Avoiding Reverse Power Flow” Proc. at 2nd International Conference on Electric Power and Energy Conversion Systems (EPECS'11), pp.1-6, 15th-17th Nov.

[15]. Rabih A. Jabr, Ravindra Singh, and Bikash C. Pal, (2012). “Minimum Loss Network Reconfiguration Using Mixed-Integer Convex Programming”, IEEE Trans. on Power Systems, Vol. 27,pp.1106-1115, May.

[16]. H.-T. Tseng J.-F. Chen (2012). “ Voltage compensation-type inrush current limiter for reducing power transformer inrush current”,Published in Electric Power Applications, IET, , Vol.6, pp.101-110, Feb

[17]. Partha Kayal, Sayonsom Chanda and C.K. Chanda (2011). “An ANN Based Network Reconfiguration Approach for Voltage Stability Improvement of Distribution Network” IEEE International Conference on Power and Energy Systems (ICPS), pp.1-7, 22nd -24th Dec.

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Research Paper

Load compensation for diesel generator system by using DSTATCOM and 1/z controller

K. J. Sinu* , Dr. M. Shankar**

* Assistant Professor in RVS Faculty of Engineering

** Head, Department of Electrical Engineering, Sasurie College of Engineering.

K.J. Sinu and M. Shankar (2012). Load Compensation For Diesel Generator System By Using DSTATCOM And 1/Z Controller. i-manager’s Journal on Electrical Engineering, 6(1), 25-31. https://doi.org/10.26634/jee.6.1.1954

Abstract

This paper presents simulation and hardware implementation of Load compensation by using DSTATCOM. This proposed DSTATCOM systems includes 1/z controller algorithm for control the system. Contributions are made in several aspects of the whole system, including inverter design, system simulation, controller programming, and experimental setup. The algorithm used for Load compensation by using DSTATCOM is the 1/z controller algorithm. In this method the error current can be measure and compare with reference current to achieve maximum power quality and maximum power deliver to source to load. The DSTATCOM consists of a inverter circuit, which is supposed to operate as the main part of the system, a three phase inverter is used. It provides the opportunity to have either higher or lower output voltage compared with the output. The resultant system is capable of load compensation by using DSTATCOM and obtained high power quality. The 1/z controller algorithm is used to compare error current with reference current and gives gate pulses to the inverter circuit. MATLAB and Simulink were employed for simulation studies. Experimental results indicate the feasibility and improved functionality of the system.

References

[1]. Singh, B., and Kumar, S. (2009). “Control of DSTATCOM using Icos? Algorithm” Industrial Electronics. IECON '09, 35th Annual Conference of IEEE.

[2]. B. Singh, A. Adya, A.P. Mittal, and J.R.P. Gupta, (2005). “Performance of DSTATCOM for isolated small alternator feeding non-linear loads,” in Proc. Int. Conf. Comput. Appl. Elect. Eng. Recent Adv. , pp. 211–216.

[3]. A. Chandra, B. Singh, B.N. Singh, and K. Al-Haddad, (2000). “An improved control algorithm of shunt active filter for voltage regulation, harmonic elimination, powerfactor correction, and balancing of nonlinear loads,” IEEE Trans. Power Electron., Vol. 15, No. 3, pp. 495–507, May.

[4]. G.D. Marques, (1998). “A comparison of active power filter control methods in unbalanced and non-sinusoidal conditions,” in Proc. IEEE Annu. Conf. Ind. Electron. Soc, Vol. 1, pp. 444–449.

i-manager's Journal on Electrical Engineering (JEE)

Current Issue Vol. 17 Issue 2

Most Read

Most Cited

Volume 6 Issue 1 July - September 2012

Five Level VSI Based STATCOM In Fourteen Bus System

S.D.Sundarsingh Jebaseelan* , R. R. Prabu**

* Research Scholar, Sathyabama University, Chennai, Tamil nadu, India. ** Professor and Head, Department of E.E.E, B.S. Abdur Rahman University, Chennai.

S.D. Sundarsingh Jebaseelan and R. Raja Prabu (2012). Five Level VSI Based STATCOM In Fourteen Bus System. i-manager’s Journal on Electrical Engineering, 6(1), 1-5. https://doi.org/10.26634/jee.6.1.1950

Abstract

References

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Enhancement of the Maximum Loading of Distribution Systems Using Genetic Algorithm

venkata prasad* , T.Ramana**

* Professor, Dept. of Electrical Engg, Chaitanya Bharathi Institute of Technology (CBIT), Hyderabad. ** Professor & Head, Dept. of Electrical & Electronics Engg, J.N.T.U.K. College of Engg (Autonomous) Kakinada, AP, India. *** Ph.D Student, JNTUA Ananthapur, AP, India.

P. Venkata Prasad, S. Sivanagaraju and T. Ramana (2012). Enhancement Of The Maximum Loading Of Distribution Systems Using Genetic Algorithm. i-manager’s Journal on Electrical Engineering, 6(1), 6-10. https://doi.org/10.26634/jee.6.1.1951

Abstract

References

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A Paper ON Bidding Strategy in an Open Access of Indian Electricity PowerMarket: An Overview and Key Issues

V.Madhu Sudana Reddy* , B. Subramanyam**

* Associate Professor, Visvodaya Engineering College, India ** Professor, K.L.University, India.

V. Madhu Sudana Reddy and B. Subramanyam (2012). A Paper On Bidding Strategy In An Open Access Of Indian Electricity Power Market: An Overview And Key Issues. i-manager’s Journal on Electrical Engineering, 6(1), 11-17. https://doi.org/10.26634/jee.6.1.1952

Abstract

References

Full Article (HTML)

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HVDS approach for reducing the Technical and Non-technical losses to enhance the Electrical Distribution System performance

P. Ravi Babu* , Sushma B**, Ashwin Kumar B***

* Professor in EEE department, CVR College of Engineering, Hyderabad, India. **-*** PG Student, Affiliated to JNTUH, CVR College of Engineering, Hyderabad, India.

P. Ravi Babu, Sushma B. and Ashwin Kumar B (2012). HVDS Approach for Reducing the Technical and Nontechnical Losses to Enhance the Electrical Distribution System Performance. i-manager’s Journal on Electrical Engineering, 6(1), 37-41. https://doi.org/10.26634/jee.6.1.1953

Abstract

References

Full Article (HTML)

Pdf

Load compensation for diesel generator system by using DSTATCOM and 1/z controller

K. J. Sinu* , Dr. M. Shankar**

* Assistant Professor in RVS Faculty of Engineering ** Head, Department of Electrical Engineering, Sasurie College of Engineering.

K.J. Sinu and M. Shankar (2012). Load Compensation For Diesel Generator System By Using DSTATCOM And 1/Z Controller. i-manager’s Journal on Electrical Engineering, 6(1), 25-31. https://doi.org/10.26634/jee.6.1.1954

Abstract

References

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* Research Scholar, Sathyabama University, Chennai, Tamil nadu, India.

** Professor and Head, Department of E.E.E, B.S. Abdur Rahman University, Chennai.

* Professor, Dept. of Electrical Engg, Chaitanya Bharathi Institute of Technology (CBIT), Hyderabad.

Professor & Head, Dept. of Electrical & Electronics Engg, J.N.T.U.K. College of Engg (Autonomous) Kakinada, AP, India.

* Ph.D Student, JNTUA Ananthapur, AP, India.

* Associate Professor, Visvodaya Engineering College, India

** Professor, K.L.University, India.

P. Ravi Babu* , Sushma B, Ashwin Kumar B*

* Professor in EEE department, CVR College of Engineering, Hyderabad, India.

-* PG Student, Affiliated to JNTUH, CVR College of Engineering, Hyderabad, India.

* Assistant Professor in RVS Faculty of Engineering

** Head, Department of Electrical Engineering, Sasurie College of Engineering.