Dr Lakshmi Srinivas Vedantham
Post-Doctoral Research Associate
- vedanthaml@cardiff.ac.uk
- +44 (0)7405650386
- Room E/2.11a, Adeiladau'r Frenhines - Adeilad y Dwyrain, 5 The Parade, Heol Casnewydd, Caerdydd, CF24 3AA
- Ar gael fel goruchwyliwr ôl-raddedig
Trosolwg
Dr. Lakshmi Srinivas received his bachelors degree from the Indian Institute of Technology BHU, India, and PhD degree from the Indian Institute of Technology Delhi in 2015 and 2020, respectively. He has recieved POSOCO Power System National Award as a recognitition for his research work, from Power Grid Corporation of India Limited in 2021, while he is also the recipient of research excellence travel award and international research grant from the government of India. He joined Cardiff University as a Research Associate in March 2020, where he is with the Centre for Integrated Renewable Energy Generation and Supply (CIREGS) of School of Engineering, investigating the design and development of Information and Communication Technology (ICT) infrastructure for smart energy networks with the focus on state-estimation and cyber-physical control issues related to energy systems.
Dr. Lakshmi Srinivas had been with a number of research and project colloborations. Currently, he is with the projects entitled “Energy revolution research consortium - Plus - Energy/REV -Next wave of local energy systems in a whole systems context” (EnergyREV Web Profile) and “Supergen Energy Networks Hub 2018” which are funded by the Engineering and Physical Sciences Research Council (EPSRC) via University of Strathclyde and the University of Newcastle. He has been involved in the UKRI Research, where he identified the measurements and the communication aspects in the smart local energy systems current landscape in Energy sector in the UK in order to inform policy makers to meet the UK Government 2050 carbon targets.
Bywgraffiad
Dr. Lakshmi Srinivas was born in East Godavari, India on 30 October 1994. His educational qualifications are as follows.
Doctor of Philosophy (Jul. 2015 – Jan. 2020)* | Indian Institute of Technology Delhi (Inst. of Eminence, Govt. of India) Merit: 9.00 CGPA* (out of 10), ‘Distinction’ Thesis: Intelligent Control of Grid Interfaced and Off-Grid PV Systems PhD Doctoral Presentation Date: Date: 27th Jan. 2020 |
Bachelor of Technology (Jul. 2011 – May 2015) | Indian Institute of Technology BHU (Inst. of Eminence, Govt. of India) Department: Electrical Engineering CGPA: 8.26 out of 10, Awarded highest merit grade, ‘Distinction’ Dissertation: Moving window analysis for power system disturbances |
Intermediate Education (12th) (Jun. 2009 - May 2011) | Board of Intermediate Education, Andhra Pradesh Merit: 95.4 % , Awarded highest merit grade, ‘Distinction’ |
Secondary Education (10th) (Jun. 2008 - May 2009 ) | Board of Secondary Education, Andhra Pradesh Merit: 92 % , Awarded highest merit grade, ‘Distinction’ |
*Master of Technology (Jul. 2015- May 2016) Degree in 'Power Systems and Power Electronics' subject, at Indian Institute of Technology Delhi, was later converted to the Doctor of Philosophy Degree, based on the merit possessed.
Anrhydeddau a Dyfarniadau
- Power System Operation Corporation Limited (POSOCO) research excellence award PPSA-2021, as a recognition by the Ministry of Power, Government of India (2021)
- Research Excellence Travel Award, Indian Institute of Technology Delhi (2019)
- International Research Grant for research colloboration, Indian Institute of Technology Delhi (2019)
- National Research Grant, Indian Institute of Technology Delhi (at times during 2015-2020)
- Research Fellowship by the Ministry of Education from Government of India (during 2015-2020)
Aelodaethau proffesiynol
- IEEE Member, ID: 94268066
- Member of IEEE Young Professionals, IEEE Power Electronics Society, IEEE Industry Application Society, IEEE Sensors Council and IEEE Systems Council
- CIGRE UK NGN Member, (ID: 319950043)
Ymrwymiadau siarad cyhoeddus
- Talk on ‘Generalized Predictive Control for single phase PV Inverter’ at Massachusetts Institute of Technology (MIT), USA. Occassion: IEEE International Conference on Universal Village (UV), 2019.
- Talk on ‘Advantages of Predictive Controller for Optimal Switching of RES Inverters’ at Indian Institute of Technology Madras (IITM), India. Occassion: IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), 2018.
- Talk on ‘Clean Energy for Sustainable Economy and Environment’ Industry day at Indian Institute of Technology Delhi (IITD), India, 2018.
- Talk on ‘Finite control-set model predictive control for leakage current suppression in grid interfaced solar PV system', at Delhi, India.Occassion: IEEE International Conference on Computing Communication and Automation (ICCCA), 2020.
- Talk on ‘Power Quality Improvement of the Distribution Grid’ at Indian Institute of Technology Roorkee (IITR), India. Occassion: IEEE International Conference on Computer Applications In Electrical Engineering-Recent Advances (CERA), 2017.
- Talk on the topic ‘Power transmission capacity upgrade of overhead lines’ in Prastuti (National paper presentation competition), at Indian Institute of Technology Banaras Hindu University, Varanasi, 2013.
Pwyllgorau ac adolygu
Reviewer:
- IEEE Trans. Sustainable Energy
- IEEE Trans. Power Systems
- IEEE Trans. Industrial Informatics
- IEEE Trans. Power Electronics
- IEEE Trans. Industrial Electronics
- IEEE Trans. Industry Applications
- IEEE Jour. Emer. Sel. Pow. Electron.
- IET Gen. Trans. Distr.
- IET Power Electronics
- IETE Journal of Research
- Ind. National Acad. Engg. (INAE)
- Various IEEE International Conferences
ORCiD id: 0000-0002-6376-8602.
Cyhoeddiadau
2022
- Lakshmi Srinivas, V., Singh, B., Mishra, S. and Xu, L. 2022. Harmonic voltage control in distributed generation systems using optimal switching vector strategy. IEEE Systems Journal 16(2), pp. 1861-1872. (10.1109/JSYST.2021.3070498)
- Vedantham, L. S., Singh, B. and Mishra, S. 2022. Enhanced power quality PV-inverter with leakage current suppression for three-phase SECS. IEEE Transactions on Industrial Electronics 69(6), pp. 5756-5767. (10.1109/TIE.2021.3090698)
2021
- Srinivas, V. L., Kumar, S., Singh, B. and Mishra, S. 2021. A normalized adaptive filter for enhanced optimal operation of grid interfaced PV system. IEEE Transactions on Industry Applications 57(2), pp. 1715-1724. (10.1109/TIA.2020.3046171)
2020
- Srinivas, V. L., Singh, B. and Mishra, S. 2020. Finite control-set model predictive control for leakage current suppression in grid interfaced solar PV system. Presented at: IEEE 5th International Conference on Computing Communication and Automation (ICCCA 2020), Greater Noida, India, 30-31 October 20202020 IEEE 5th International Conference on Computing Communication and Automation (ICCCA). IEEE pp. 675-680., (10.1109/ICCCA49541.2020.9250840)
- Srinivas, V. L., Singh, B. and Mishra, S. 2020. Self-synchronizing VSM with seamless operation during unintentional islanding events. IEEE Transactions on Industrial Informatics 16(9), pp. 5680 - 5690. (10.1109/TII.2019.2958735)
- Srinivas, V. L., Singh, B. and Mishra, S. 2020. Seamless mode transition technique for virtual synchronous generators and method thereof. IEEE Transactions on Industrial Informatics 16(8), pp. 5254-5266. (10.1109/TII.2019.2954593)
2019
- Srinivas, V. L., Kumar, S., Singh, B. and Mishra, S. 2019. A normalized adaptive filter for enhanced optimal operation of grid interfaced PV system. Presented at: 2nd IEEE International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES 2018), Delhi, India, 22-24 October 20182018 2nd IEEE International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES). IEEE pp. 522-527., (10.1109/ICPEICES.2018.8897346)
- Srinivas, V. L., Singh, B. and Mishra, S. 2019. Predictive optimal switching vector controller based microgrid enabling switching frequency constraint. Presented at: 2018 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Chennai, India, 18-21 December 20182018 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES). IEEE pp. 1-6., (10.1109/PEDES.2018.8707899)
- Srinivas, V. L., Singh, B. and Mishra, S. 2019. Fault ride-through strategy for two-stage grid-connected photovoltaic system enabling load compensation capabilities. IEEE Transactions on Industrial Electronics 66(11), pp. 8913-8924. (10.1109/TIE.2019.2899546)
- Srinivas, V. L., Singh, B. and Mishra, S. 2019. Adaptive generalized predictive control scheme for single phase GPV system. Presented at: 4th International Conference on Universal Village (UV 2018), Boston, MA, United States, 21-24 October 20182018 4th International Conference on Universal Village (UV). IEEE pp. 1-6., (10.1109/UV.2018.8642148)
2018
- Vedantham, S., Kumar, S., Singh, B. and Mishra, S. 2018. RLMMN adaptive filtering based control scheme for multi-objective GPV system. Presented at: 6th International Conference on Computer Applications In Electrical Engineering-Recent Advances (CERA 2017), Roorkee, India, 5-7 October 20172017 6th International Conference on Computer Applications In Electrical Engineering-Recent Advances (CERA). IEEE pp. 556-561., (10.1109/CERA.2017.8343390)
- Vedantham, S., Kumar, S., Singh, B. and Mishra, S. 2018. Fuzzy logic gain‐tuned adaptive second‐order GI‐based multi‐objective control for reliable operation of grid‐interfaced photovoltaic system. IET Generation, Transmission and Distribution 12(5), pp. 1153-1163. (10.1049/iet-gtd.2017.0958)
- Srinivas, V. L., Kumar, S., Singh, B. and Mishra, S. 2018. A multifunctional GPV system using adaptive observer based harmonic cancellation technique. IEEE Transactions on Industrial Electronics 65(2), pp. 1347-1357. (10.1109/TIE.2017.2733493)
- Srinivas, V. L., Kumar, S., Singh, B. and Mishra, S. 2018. Partially decoupled adaptive filter based multifunctional three-phase GPV system. IEEE Transactions on Sustainable Energy 9(1), pp. 311 - 320. (10.1109/TSTE.2017.2731793)
Addysgu
Graduate teaching assistant at IIT Delhi, Department of Electrical Engineering (Jul. 2015 – Jan. 2020)
Designed and delivered lab tutorials and demos in 4 courses (groups of 30): i) Power Electronics and Machines Lab (M Tech, 45 hours/sem.), ii) Power System Protection Lab (B Tech, 30 hours/sem.), and iii) Basic Electronics Lab (B Tech, 45 hours/sem.).
Marked exams and project reports in 2 courses: Basic power electronics (B Tech) and Power system dynamics (M tech)
Gave tutorials in 2 courses (groups of up to 50): Basic Electronics (B Tech) and Power System Analysis (M Tech).
Projects
Projects contributed as a research associate at Cardiff University (Mar. 2020- Present)
| Energy/REV -Next wave of local energy systems in a whole systems context | Funded by the EPSRC and University of Strathclyde |
| Supergen Energy Networks Hub 2018 | Funded by EPSRC, via University of Newcastle |
Projects contributed as a researcher during the PhD Tenure (Jul. 2015 - Mar. 2020)
| UK-India Clean Energy Research Institute (UK-I CERI) | Grant Number: RP03391 |
| Solar Energy Research Initiative (SERI) | Grant Number: RP03357 |
| Joint Indo-US collaborative project SERI-II | Grant Number: RP03357 |
| Joint UK-India Clean Energy Centre (JUICE) | Grant Number: RP03391 |
| Fund for Improvement of Science and Technology (FIST) | Grant Number: RP03195 |
| J. C. Bose fellowship, Government of India | Grant Number: RP03128 |
Research Associate, Cardiff University (Mar. 2020 – Present)
First phase of the work package involves with the ICT Infrastructure Supporting Cyber Physical Smart Local Energy Systems (SLES) (Energy Revolution Research Consortium- Prospering from Energy Revolution, Industrial Strategy, UK)
- Measurements distinguished by Energy-carriers & Objectives (Academic-studies & Industrial-projects)
- Communication Infrastructure accompanying the Measurements and associated components
- Recommendations on ICT for different types of SLES
Second phase of work package involves Topology and Parameter Estimation in Electric and Heat Networks (Energy Revolution Research Consortium)
- Active distribution network topology detection and parameter estimation using ‘smart meter’ and ‘D-PMU’ measurements: A data driven approach
- Dynamic state estimation and control in active distribution networks
- Network parameter estimation in heat networks
Research Experience during PhD Tenure (Jul. 2015 - Mar. 2020)
Dynamic Frequency Support in Renewable Intensive Power Networks (2017–2019)
- Virtual synchronous generators (VSGs)- Electrical inertia to inertia-less renewable power inverters, with virtual inertia control for network frequency support.
- Seamless mode-transition technique for VSGs - Facilitated both ‘grid-connected’ and ‘off-grid’ operation.
- Self-synchronizing and Islanding- No synchronizing tools (such as PLLs) / islanding detection algorithms.
- Persistence to the delays in microgrid communications and robust to grid voltage distortions and harmonics.
- Compliance with grid code standard IEEE 1547 is ensured.
Dynamic Voltage Support in Renewable Intensive Power Networks (2017–2019)
- Compliance with the standards IEEE 1547 and IEEE 519
- Dynamic control over reactive power injection into grid,
- De-rated operation of renewables and frequency regulation with active power control,
- Grid current harmonics elimination and unity power factor operation
- Fault ride through strategy for voltage support in PV-intensive networks, as per country grid codes
Leakage Currents Suppression in Solar Power Generating Systems (2018–2019)
- Seven different methodologies developed to reduce leakage currents in solar power based LV/MV grids
- Ensured VDE-0126 leakage current standard
- Compliance with IEEE-519 and IEC-61727 grid codes
Sensor Malfunction Resilient Renewable Power Inverter (2018–2019)
- Renewable power inverter feedback control under sensor mal-function/ bad data injections.
- Identification of malfunction event and appropriate control action for its correction.
- Sliding mode observer for catastrophic failure of either one or several sensors.
DSE in Cyber-physical Networks (2018–2020)
- Dynamic state estimation (DSE) and cyber-attack detection in power networks
- Kalman filtering methodology to estimate unobservable states from accessible noisy/false measurements
- Tested for various microgrids and DFIG farm
- Model predictive control for Ultrabattery as effective damping device for load frequency control
Experimental prototype (at times during 2016–2020)
Various aforementioned strategies are tested using DSP-dSPACE-1202 micro-lab-box and OPAL-RT controllers
- The renewable power inverter is fed through a controlled DC source
- Three leg ‘Semikron’ voltage source inverter bearing IGBT switches- opto-couplers are used for isolation
- The Hall Effect current and voltage sensors for current and voltage sensing
- Four-channel digital storage oscilloscope and power quality analyzer for capturing test results
Patents (IPs) Filed on the Research Work
- “A self-synchronizing microgrid system and method thereof,” Indian Patent, Reference No. 201811041032 Filed on Oct. 30, 2018.
- “Ride-through operation of two-stage grid interfaced PV system under grid-side abnormalities,” Indian Patent, Reference No. 201911025465, Filed on Jun. 26, 2019.
- “Ultra-battery energy storage system for load frequency control in a multi-area power network,” Indian Patent Reference No. 201911049727, filed on Dec. 04, 2019.
- “A flexibly operated virtual synchronous machine for synchronizing three phase inverters,” Indian Patent, Reference No. 201911042199, Filed on Oct. 17, 2019.
- “Enhanced Power Quality PV-Inverter with Leakage Current Suppression for Three-Phase SECS,” Indian Patent, Reference No. 202111002117, Filed on Jan. 16, 2021