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Prof. Ch Ramulu

PhD (National Institute of Technology, Warangal,Telangana State,INDIA)

Assistant Professor Gr-I

Department of Electrical Engineering

Room No: EED 557-First Floor   +91-870-2462246
rnitchinthamalla@nitw.ac.in
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Research Areas

 AC-DC electrolytic capacitor-less single-phase LED drivers 

 Application of power electronics to nonconventional energy 

 High Gain DC-DC Converters 

 Power Electronics and Drives 

  • Courses Handled
  • Research IDs
  • Selected Publications
  • Project/Consultancy
  • Current PhD Students
  • Awards and Accolades
  • Additional Responsibilities
  • Comprehensive Viva(EE6147)
  • Electrical Circuits(EE4131)
  • Network Analysis(EE12061)
  • Electrical Machines Lab - I(EE305)
  • Network Analysis(EE231)
  • Dissertation Work Part - A(EE6149)
  • Network Theory(EE134)
  • Electrical Machines-II(EE251)
  • Network Analysis(EE1163)
  • Electrical Machines Lab - II(EE355)
  • Electrical Circuits and Machines(EE181)
  • Dissertation Work Part - B(EE6199)
  • ORC ID: 0000-0002-3391-5528
  • SCOPUS ID: https://www.scopus.com/authid/detail.uri?authorId=56159859200
  • Google Scholar ID: https://scholar.google.co.in/citations?user=awM0bxAAAAAJ&hl=en


  • Reduced Power Processing LED Driver With Constant Output Current., By R. B. Pallapati and R. Chinthamalla, IEEE , Journal of Emerging and Selected Topics in Power Electronics, vol.11(3), pp.3291-3301, 2023
  • Electrolytic capacitor-less reduced power processing single-phase LED driver with power decoupling using split capacitor, By Pallapati RB, Chinthamalla Ramulu , Wiley, Int J Circ Theor Appl, vol.57(7), pp.3118-4145, 2023
  • A hybrid global maximum power point tracking of partially shaded PV system under load variation by using adaptive salp swarm and differential evolution – perturb & observe technique, By Dileep Krishna Mathi & Ramulu Chinthamalla , Taylor & Francis, Energy Sources, Part A: Recovery, Utilization, and Environmental Effects , vol.43(20), pp.2471-2495, 2021
  • Global maximum power point tracking technique based on adaptive salp swarm algorithm and P&O techniques for a PV string under partially shaded conditions, By Dileep Krishna Mathi & Ramulu Chinthamalla , Taylor & Francis, Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, vol., pp.1-28, 2020
  • A hybrid global maximum power point tracking method based on butterfly particle swarm optimization and perturb and observe algorithms for a photovoltaic system under partially shaded conditions, By Mathi, DK, Chinthamalla, R., Wiley, Int Trans Electr Energ Syst, vol.3(10), pp.1-25, 2020
  • Enhanced leader adaptive velocity particle swarm optimisation based global maximum power point tracking technique for a PV string under partially shaded conditions, By Mathi, D.K. and Chinthamalla, R, IET, Renewable Power Generation, vol.14, pp.243- 253, 2020
  • Dual Solar Photovoltaic Fed Three-Phase Open-End Winding Induction Motor Drive for Water Pumping System Application, Electric Power Components and Systems, By Ramulu Chinthamalla, Ramsha Karampuri, Sachin Jain, Taylor & Francis, Electric Power Components & Systems Journal , vol.16(17), pp.1896-1911, 2018
  • A solar PV water pumping solution using a three-level cascaded inverter, By Ramulu Chinthamalla, Sanjeevikumar Padmanaban, Ramsha Karampuri, ELSEVIER, Engineering Science and Technology, an International Journal , vol.19(4), pp.1731-1741, 2016
  • Dual MPPT algorithm for dual PV source fed Open-End Winding, By Chinthamalla Ramulu, Sachin Jain, Sanjeevikumar Padmanaban, ELSEVIER, Engineering Science and Technology, an International Journal , vol.19(4), pp.1771-1780, 2016

Design and Development of New High Gain Transformer-less Inverter Topology for PV Based Grid Tie Applications

  • Role Co-Principal Investigator
  • Type SPARC Project
  • Sponsor SPARC-India, MHRD
  • Duration 48 Months
  • Project Cost (INR) 6899172
  • Status Completed


K.Manikanta

  • Area of Research: Design and Development of High Gain DC-DC Converters

RUDRARAPU TEJASWI (PT)

  • Area of Research: Design and Implementation of Bidirectional DC-DC Converters

Vailla Rohit Chandra

  • Area of Research: Solar PV/High Gain DC-DC Converters

Vinay Kumar V (PT)

  • Area of Research: High Gain DC-DC Converters.
  • Member - Department Space Re-organization and Facility (Continuing from February, 2024)
  • Member-Constitutuion of Committees for Verification of Fixed Assets and Consumables-Institute Director’s Office/Registrar’s Office/Deans Office (September, 2023 - December, 2024)
  • Purchase Committee(Convener)-I_EED (Continuing from September, 2023)
  • Electric Machines Lab-In-Charge (Continuing from May, 2023)
  • Program Coordinator M.Tech(PED)-Department of Electrical Engineering (Continuing from March, 2023)
  • Member DAC (PG&R) (Continuing from July, 2022)
  • Staff Advisor Electrical Engineering Association(EEA) (September, 2020 - September, 2021)
  • Treasurer, Electrical Engineering Association (EEA), NIT Warangal (August, 2019 - December, 2020)
  • Procurement Co-ordinator for the Deptt./Centre,EED (February, 2019 - February, 2022)
  • Faculty In-charge Maintenance of ACs & Water Coolers (April, 2018 - May, 2020)
  • Member - Electrical Works Committee (January, 2018 - December, 2019)
  • Treasurer, Electrical Engineering Association (EEA), NIT Warangal (September, 2017 - September, 2018)
  • Faculty Advisor for IV B.Tech(EEE) (August, 2017 - August, 2019)
  • Hostel Warden (1.8 K) (August, 2017 - August, 2019)
  • Faculty In-charge 15 KVA and Other UPS Systems (August, 2015 - August, 2021)