Narra Sumathi

Dr.Narra Sumathi

associate professor
Department:Electrical and Electronics Engineering
Qualification:B. Tech, M. Tech, Ph. D
Phone(Office):0884-2300843
Mobile:9052611223
Email:eeesuma@gmail.com, eeesuma@jntucek.ac.in
Date of Birth:19-.03-1980
Date of Joining:05-12-2006
Subjects Taught:Generation and measurement of High voltage engineering, Dielectrics, Partial discharges in HV, Surge phenomena and Insulation coordination, Basic Electrical Engineering, Power systems-1.
Research Area:High voltage Engineering
Teaching Experience:15
Research Experience:10
Industry/Professional Experience:
Staff Image


1 N.Sumathi, Sirisha, “Innovative Detection of Isolation and Recombination Technique with Micro Grid” International Journal of engineering and Advanced technology (IJEAT)

2 N.Sumathi, V.S.N.K Chaitanya and K Amarendranath,”Multiple DG Allocation by Crow Search Algorithm for power loss reduction” IEEE Conference proceedings on power, control, signals and Instrumentation Engineering-2017, Saveetha Engineering College, Chennai.
3 N.Sumathi, V.S.N.K Chaitanya and Abdul Azees,”Design of corona mitigation device and application of Zno Microvaristor on 66 kV insulators by Finite Element Method” IEEE Conference proceedings on power, control, signals and Instrumentation Engineering-2017, Saveetha Engineering College, Chennai.

4 N.Sumathi, “Performance Characteristics of a 11 kV High Tension side Bushing under different polluted conditions, “International Research journal of engineering and technology, volume-2, issue-6 September 2015

5 N.Sumathi ”Electric Field Analysis and Experimental Evaluation of 400 kV Silicone Composite Insulator” International Journal of Electrical, Computer, Energetic, Electronic and Communication Engineering, Vol.10, No:7, Pp:977-982, 2016

6 N.Sumathi,, “ Effect of U.V.Rays and salt contamination on 33kV Silicon Composite Insulator” IOSR Journal of Electrical and Electronics Engineering, Vol.11, issue 06,November-December 2016

7 N.Sumathi, R.Srinivasrao, “ Audible Noise Characteristics of 765 Kv Insulator” Intenational Journal of Advanced Research in Electrical Electronics and Instrumentation Engineering, Vol.4, issue 11, November 2015.

8 N.Sumathi, R.Srinivasrao, “Radio interference and audible noise characteristics of 765 kV post and line insulator”, International conference on high voltage engineering and technology by Central Power Research Institute on 29-30 January 2015.

9 N.Sumathi and R. Srinivasa Rao, “Seasonal Based pollution Performance of 11 kV and 33 kV Silicon Composite Insulators”, International Journal of Electrical, computer, Energetic, electronic and Communication Engineering, Vol.9, pp. 697-702, 2015.

10 N.Sumathi, “Performance Characteristics of a 11 kV High Tension side Bushing under different polluted conditions”, International Research journal of engineering and technology, volume-2, issue-6 September 2015.

11 N.Sumathi, “Evaluation of electrical properties of 11 kV pin and suspension insulator”, International Research journal of engineering and technology, volume-2, issue-6 September 2015.

12 N.Sumathi, “ Multilevel inverter topology for renewable power generation”, International Research journal of engineering and technology, volume-2, issue-6 September 2015.

13 N.Sumathi, “Space vector pulse width modulation scheme for interfacing power to the grid through renewable energy sources”, International Research journal of engineering and technology, volume-2, issue-6 September 2015.

14 Laxmi devi.M and N.Sumathi, “A decisive Evaluation of superconducting fault current limiter for micro grid system using PV source applications”, international journal of latest advances in power system operation and energy management (IJPSOEM), ISSN: 2319-8885, volume-4, issue-4, 2014.

15 Kumbha veeraiah, N.Sumathi N.Sumathi, “ Power quality improvement of Distribution lines using STATCOM under various loading conditions”, International journal of modern engineering research, volume 2, issue 5 October 2012.

16 M.Sampath kumar and N.Sumathi, “A series voltage compensation for DFIG wind turbine by LVRT solution based DVR”, International journal of advanced and innovative research, volume 1, issue 4 September 2012.

17 N.Sumathi, power quality improvement of wind energy system using STATCOM under various loading conditions, International journal of advanced and innovative research, volume 1, issue 4 September 2012.

Workshops/Courses Attended:1. Recent Trends in HVE and its Applications organized by JNTUK

2, Research Methodologies organized by JNTUK

3. Noise, Acoustics vibration control and measurement in various engineering applications- with hands on sessions organized by JNTUK

4. Improving teching skills in Network Analysis organized by JNTUK

5. Improving teching skills in electronic devices and circuits organized by JNTUK

6. Improving teaching skills in computer programming organized by JNTUK

7. Internet of things Applications (IOT) organized by JNTUK

8. Materials And manufacturing engineering organized by JNTUK

9. Smart Electric Power Grid With Emphasis on Embedded Systems and Cyber Security organized by JNTUK

10. Refresher course on intellectual property rights and patents organized by JNTUK

11. Refresh course on Research Methodologies organized by JNTUK

Workshops/Conferences Organized:
1. A two day National level technical symposium ENCURSO2k13 @ UCEK, JNTUK

2. A two day Work shop on multilevel inverters and micro grids @ UCEK, JNTUK

3. One week Faculty Development Programme @ UCEK, JNTUK

4. A Two Week Faculty Development Programme during 30.12.19 to 11.01.2020 @ UCEK, JNTUK
Conferences:1 International Conference on HVE & Tech “Radio interference and audible noise characteristics of 765 kV post and line insulator” @ CPRI- 2015

2 Design of corona mitigation device and application of Zno Microvaristor on 66 kV insulators by Finite Element Method @ IEEE Conference
ICPCSI-2017

3 Electric Field Analysis of polymer insulators for various Geometrical configurations @ IEEE Conference - ICPCSI-2017

4 Performance Analysis of 33kV polymer and porcelain insulator under various pollution conditions @ ICAIECES-2017

5 Leakage current characteristics of 132kv polymer and porcelain insulator under various conditions @ ICPCSI-0564
Ph.D Scholars guided:Ph.D scholars presently working: 05
Positions held :1. Additional Controller of Examinations at JNTUK

2. NSS Programme Officer at UCEK