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Dr Lakshmi Srinivas Vedantham

Dr Lakshmi Srinivas Vedantham

Post-Doctoral Research Associate

Yr Ysgol Peirianneg

Email
vedanthaml@cardiff.ac.uk
Telephone
+44 (0)7405650386
Campuses
Room E/2.11a, Adeiladau'r Frenhines - Adeilad y Dwyrain, 5 The Parade, Heol Casnewydd, Caerdydd, CF24 3AA
Users
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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

2021

2020

2019

2018

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 contextFunded by the EPSRC and University of Strathclyde
Supergen Energy Networks Hub 2018Funded 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-IIGrant 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 IndiaGrant 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