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GTO Technique Based Hybrid Power System Controller Design

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Volume 9 Issue 1 July - September 2015

Research Paper

Comparative Performance of Squirrel Cage Motors onGTO and IGBT Drives for Electric Traction in India

C. Nagamani* , R. Somanatham, U. Kusuma Kumari*, U. Chaitanya Kumar****

* Research Scholar, University College of Engineering, Osmania University, Hyderabad, India.

Head, Department of Electrical Engineering, Anurag College of Engineering, Hyderabad, India.

*_**** M.Tech Student, Department of Electrical Engineering, Anurag College of Engineering, Hyderabad, India.

Nagamani, C., Somanatham, R., Kumari, U. K., and Kumar, U. C. (2015). Comparative Performance of Squirrel Cage Motors on GTO and IGBT Drives for Electric Traction in India. i-manager’s Journal on Electrical Engineering,9(1), 1-6. https://doi.org/10.26634/jee.9.1.3605

Abstract

The electric locomotives of Indian Railways currently use Gate Turn-Off Thyristors for traction drive systems. Though they are fast switching devices, they produce lot of harmonic ripples in the output voltages and currents. The snubber circuits of Gate Turn-Off Thyristors are also bulky. Comparatively, Insulated Gate Bipolar Transistors produce less harmonic ripples and also reliable fast switching devices capable of handling voltages and currents of the range 5kV and 1kA respectively. Research has also proved that, Insulated Gate Bi-Polar Transistors are also an efficient switching devices in high voltage/power applications like electric traction. The simulation studies of performance of the Squirrel Cage induction motors with Gate Turn-off Thyristors/Insulated Gate Bi-Polar Transistor as switching devices are presented in this paper.

References

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[2]. Eric Carroll, Norbert Galster (1997). “IGBT or IGCT: Considerations for Very High Power Applications”, Forum Europeen des Semiconductors de Puissance, pp. 1-6.

[3]. Singh M.D., Khanchandani K. B. Text Book of Power Electronics, Second Edition, Tata McGraw-Hill Publishing Company Limited, New Delhi.

[4]. Ned Mohan, Tore M. Undeland, William P. Robbins. Power Electronics Converters, Application and Design, Third Edition, John Wiley India.

[5]. Bernet S., Teischmann R., Zuckerberger A., and Steimer P. (February 1998). “Comparison of High Power IGBTs and Hard Driven GTOs for High Power Inverters”, ABB Corporate Research. APEC Anaheim, pp. 1-8.

[6]. Arrillaga J., Liu Y. H., Watson N. R., and Murray N. J. (2009). Self-Commutating Converters for High Power Applications, John Wiley & Sons, Ltd. ISBN: 978-0-470- 74682-0.

[7]. Osvin Gaupp, Horst E. Gruening, Martin Krienbuehl, Gerhard Linhofer (2000). “Experience with High frequency converter employing advanced GTO Series Connection”, IEEE Power Engineering Society Winter Meeting, Vol.4.

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Research Paper

Overview of Predictive Control Schemes Used In Power Converters and Drives

Pooja Dhawan* , V. K. Giri, Vikas Patel*

* M.E Graduate, Department of Electrical Engineering, MMMUT, Gorakhpur, Uttar Pradesh, India.

Professor, Electrical Engineering Department, MMMUT, Gorakhpur, Uttar Pradesh, India.

* Faculty, Department of Electrical Engineering, MMMUT Gorakhpur, Uttar Pradesh, India.

Dhawan, P., Giri, V. K., and Patel, V. (2015). Overview of Predictive Control Schemes Used in Power Converters and Drives. i-manager’s Journal on Electrical Engineering,9(1), 7-17. https://doi.org/10.26634/jee.9.1.3606

Abstract

This paper traces the basic concepts behind the predictive control strategy used in power converters and drives. Wide research on predictive control has been increasing day-by-day. With the availability of new digital control techniques, various schemes has been proposed. Predictive control scheme presents several advantages over other control schemes that makes it capable for various applications in the field of power electronics and drives i.e. inclusion of constraints and nonlinearities. A classification of predictive control scheme is presented and each scheme is described along with its application. This paper reflects the robustness as well as flexibility of predictive control scheme. Predictive control scheme has the capability to advance the performance of future energy processing and control systems.

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Review Paper

Topologies In Matrix Converter - A Review

G. Pandu Ranga Reddy* , M. Vijaya Kumar**

* Research Scholar, JNTU, Anantapur, Andhra Pradesh, India.

** Professor, Department of Electrical and Electronics Engineering, JNTU, Anantapur, Andhra Pradesh, India.

Reddy, G. P. R., and Kumar, M. V. (2015). Topologies In Matrix Converter - A Review. i-manager’s Journal on Electrical Engineering,9(1), 18-25. https://doi.org/10.26634/jee.9.1.3607

Abstract

Due to recent advancements in the field of power electronics and power semiconductor devices, a long known topology is back in the focus of research. The matrix converter topology has been known for more than three decades and yet not many products using the matrix converter are currently available. This converter has several attractive features that have been investigated in the last two decades. In the last few years, an increase in research work has been observed, bringing this topology closer to the industrial application. Matrix converters are direct AC to AC power converter topology that can generate required amplitude and frequency of AC sinusoidal wave from conventional AC source. It is a forced commutated converter which uses an array of controlled bi-directional switches as the main power elements to create a variable output voltage system with unrestricted frequency. It operates at unity power factor and is capable of regeneration. Often referred to as an all-silicon solution as no DC-link capacitors are required, the matrix converter provides inherent bidirectional power flow, sinusoidal input and output current, power factor control, and minimal energy storage requirements. This paper presents development of this converter, starting with a brief historical review and topologies used in matrix converter.

References

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[2]. Patrick Wheeler, Xu Lie, Meng Yeong Lee, Lee Empringham, Christian KIumpner, Jon Clare, (2008). “A Review of Multi-level Matrix Converter Topologies”, 4th IET Conference on Power Electronics, Machines and Drives, 2008, Published in IEEE Explore. pp 286-290.

[3]. Jeby Thomas Jacob1, (2014). “Review on High Power Multilevel-Matrix Converters”, International Journal of Advanced Research in Electrical and Electronics Engineering, Vol. 3, No. 1, pp 79-87.

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[10]. S. Ali Khajehoddin, Alireza Bakhshai, and Praveen Jaing, Fellow, (2007). IEEE, “A Sparse Multilevel Matrix Converter Based on Diode-Clamped Topology”, Industry Applications Conference, 2007. 42nd IAS Annual Meeting Conference Record of the 2007 IEEE, pp. 224- 228.

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Review Paper

A Review On Hysteresis Current Controller and Space Vector Analysis In Inverter.

Anees Ansari* , A.N.Tiwari**

Anees Ansari * A.N. Tiwari **
* PG, Department of Electrical Engineering, Madan Mohan Malviya University of Technology, Gorakhpur, Uttar pradesh, India.

** Associate Professor, Department of Electrical Engineering, Madan Mohan Malviya University of Technology, Gorakhpur, Uttar pradesh, India.

Ansari, A., and Tiwari, A. N. (2015). A Review on Hysteresis Current Controller and Space Vector Analysis in Inverter. i-manager’s Journal on Electrical Engineering,9(1), 26-31. https://doi.org/10.26634/jee.9.1.3608

Abstract

This review paper is based on space vector based hysteresis current control in three phase PWM converter. In hysteresis current control technique, two, three or four level hysteresis comparator are used, which selects the appropriate inverter output voltage vectors by their switching phenomenon of vector based HCC, and it is used to control the current vector by keeping the current error vector in tolerance region. Through which the load gets desirable output current voltage. By keeping the zero phase difference between output current and voltage, acquires a high power factor by HCC voltage vector and this HCC voltage vector have some advantages over conventional HCC which are not to have interphase dependency and also maintaining constant modulation frequency or also reducing switching frequency. By this HCC, increase the system steady state performance and reducing dynamic response.

References

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Case Study

Optimal Placement Of DG In RDS To Enhance TheReliability Indices - A Case Study

Para Sindhu Priya* , N. Chaitanya Kumar Reddy**

* PG Scholar, Department of Electrical Power Systems, Sree Vidyanikethan Engineering College, Andhra Pradesh, India.

** Assistant Professor, Department of Electrical and Electronics Engineering, Sree Vidyanikethan Engineering College,Andhra Pradesh, India.

Priya, P. S., and Reddy, N. C. K. (2015). Optimal Placement Of DG In RDS To Enhance The Reliability Indices - A Case Study. i-manager’s Journal on Electrical Engineering,9(1), 32-40. https://doi.org/10.26634/jee.9.1.3609

Abstract

The problem of voltage deviation and power loss was mostly addressed in Distribution Systems (DS) due to the usage of non linear loads. Some or all the customers use these non-linear loads which make the operation of the DS in ill-condition. Network reconfiguration, coordinate planning, and capacitor placements are few methods which are used for improving the voltage profile and reducing the losses. A highly effective reliable generation and transmission system may still result in poor energy supply to the customers if the distribution system is operated unreliable. Planning and operation of DS requires quantitative reliability assessment. DS can be operated reliable by accommodating a small scale decentralized Distribution Generation (DG) in a system, by which the losses in the system was reduced and voltage profile was improved predominantly. Placement of DG in DS will improve the system performance, voltage profile, provides continuity of supply to the customers with reduced losses. DS reliability can be evaluated by load point based indices Average System Interruption Frequency Index (ASIFI) and Average System Interruption Duration Index (ASIDI). These reliability indices are needed to be evaluated before and after DG placement to analyze the system performance. A case study was done on the 11 kV Sodium feeder before and after DG placement to analyze the system performance and reliability indices are evaluated.

References

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[2]. A. Alsaadi, and B.Gholami (2009). “An Effective Approach for DS Power Flow Solution”, World Academy of Science Engineering and Technology, Vol. 3, No.2, pp. 177-181.

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Volume 9 Issue 1 July - September 2015

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* Research Scholar, JNTU, Anantapur, Andhra Pradesh, India. ** Professor, Department of Electrical and Electronics Engineering, JNTU, Anantapur, Andhra Pradesh, India.

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A Review On Hysteresis Current Controller and Space Vector Analysis In Inverter.

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Optimal Placement Of DG In RDS To Enhance TheReliability Indices - A Case Study

Para Sindhu Priya* , N. Chaitanya Kumar Reddy**

* PG Scholar, Department of Electrical Power Systems, Sree Vidyanikethan Engineering College, Andhra Pradesh, India. ** Assistant Professor, Department of Electrical and Electronics Engineering, Sree Vidyanikethan Engineering College,Andhra Pradesh, India.

Priya, P. S., and Reddy, N. C. K. (2015). Optimal Placement Of DG In RDS To Enhance The Reliability Indices - A Case Study. i-manager’s Journal on Electrical Engineering,9(1), 32-40. https://doi.org/10.26634/jee.9.1.3609

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C. Nagamani* , R. Somanatham, U. Kusuma Kumari*, U. Chaitanya Kumar****

Pooja Dhawan* , V. K. Giri, Vikas Patel*

* M.E Graduate, Department of Electrical Engineering, MMMUT, Gorakhpur, Uttar Pradesh, India.

Professor, Electrical Engineering Department, MMMUT, Gorakhpur, Uttar Pradesh, India.

* Faculty, Department of Electrical Engineering, MMMUT Gorakhpur, Uttar Pradesh, India.

* Research Scholar, JNTU, Anantapur, Andhra Pradesh, India.

** Professor, Department of Electrical and Electronics Engineering, JNTU, Anantapur, Andhra Pradesh, India.

Anees Ansari * A.N. Tiwari **
* PG, Department of Electrical Engineering, Madan Mohan Malviya University of Technology, Gorakhpur, Uttar pradesh, India.

** Associate Professor, Department of Electrical Engineering, Madan Mohan Malviya University of Technology, Gorakhpur, Uttar pradesh, India.

* PG Scholar, Department of Electrical Power Systems, Sree Vidyanikethan Engineering College, Andhra Pradesh, India.

** Assistant Professor, Department of Electrical and Electronics Engineering, Sree Vidyanikethan Engineering College,Andhra Pradesh, India.