Laboratory of Innovative Electronics, Power Devices and New Energy Systems (LIEPNES)

Main research focus and other areas of research interest of the RG:

  • Industrial Electronics (Electric Drives, Parametric Sensors, Electric Vehicles,non-thermal plasma systems, etc)
  • Power Devices (Solid-state transformers, Power Electronic Converters, and applications, etc)
  • New Energy Systems and their Applications (Biomass Energy conversion Systems, Fuel cells and innovative battery devices, thermo-electric conversion systems, solar energy conversion systems, parametric energy conversion systems, etc)
  • Emerging Technologies (Biometrics, Additive Manufacturing, Sustainable Engineering Materials)

 

Title of most recent research project: Development of Automatically fed Solid Fuel Thermochemical Gasification System

 

Other current or completed research projects:

  • 100KVA Refuse-derived-fuel (RDF) Gasification Plant for Electricity Generation (UNN; March 2019)
  • Design and Implementation of Automatic Belt Conveyor Systems for a Waste Treatment Plant (Ebonyi State; March 2020)
  • 500KVA RDF Gasification Plant for Electricity Generation (UNN; April 2021)
  • Solid-fuel Gasifier systems and applications
  • Design and Implementation Inverters for Various Applications (UNN; Ongoing)
  • Solar Mobile Phone Chargers (UNN; 2022)
  • Load Isolators for Internal Load Shedding (UNN; 2023)
  • 3D Printed Parts and Casings (UNN; Ongoing)
  • PCB Making Using CNC Machine (UNN; Ongoing)
  • Development of Bi-modal Biometric Systems for Prevention of Identity Theft (UNN; Ongoing)
  • Design and Implementation of Industrial-scale Briquetting and Pelletizing Machines (UNN; Ongoing)

 

Name of the coordinator: Engr. Prof Emenike Chinedozi Ejiogu

UNN email address of the rg: connect@liepnes.net

UNN email address of the coordinator: emenike.ejiogu@unn.edu.ng

Current webpage of the RG: liepnes-laboratory of industrial electronics, power devices and new energy systems

Phone number of the RG: +2348039233432

Phone number of the coordinator: +2348125864681

Base faculty/institute/center of the RG: Faculty of engineering

Department of the coordinator: Electrical engineering

 

Headshot of the coordinator

List and brief profiles of members

Engr.Prof.EmenikeChinedoziEjiogu: Engr. Prof. Emenike Chinedozi Ejiogu was educated at the Department of Electrical Engineering,University of Nigeria, Nsukka, for the degrees of B.Eng (June 1987) and M.Eng (March 1990),before proceeding for his PhD studies in April 1990, at the Department of Electronic Engineering,National Shinshu University, Nagano-city, Japan, on Japanese Government Ministry of EducationScholarship.Prof.EjioguobtainedhisPhD(PowerDevicesandEnergySystems),inMarch1994.

He has held various positions in the Japanese academia and industrial sector, from April 1994 tillpresent, including, Assistant Professor, Department of Electrical & Electronic Engineering,Ritsumeikan University, Kusatsu-city, Japan (Sept 1997 – Sept 2001) , Chief Research and ProductDevelopment Engineer, E-Tec Co. Ltd (Oct 2001 – Dec 2005), Director of Technology, Energy &Environmental Inc, Osaka, Japan (2005-2008), Research Professor, Mirai Denchi/MicroSilitron Inc.Laboratory, High Tech Research Centre, Ritsumeikan University, Japan (2007-2013) and ExecutiveDirector (Industrial Technology and Innovation), Nigerian Chamber of Commerce and Industry inJapan(NCCIJ),Tokyo,Japan(2017-Present).

In 2018, Prof. Ejiogu led a multidisciplinary group of academic and non-academic staff of theUniversity of Nigeria to write a proposal that merited the award of a World Bank Centre ofExcellence. This research grant is worth six (6) millions USA dollars, and is the highest of suchawards in the history of the University of Nigeria, Nsukka.The Centre is named theAfrica Centreof Excellence for Sustainable Power and Energy Development (ACE-SPED), and Engr. Prof. EjioguisthepioneerDirector/Centre LeaderoftheCentre.

In July 30th, 2022, Engr. Prof. E.C. Ejiogu was elected the Dean of the Faculty of Engineering,UniversityofNigeria,Nsukka,foratwo-yeartenure,toservefromAugust2022toJuly2024. Prof. Ejiogu belongs to several professional organizations, such as the New York Academy ofSciences, USA (1996-Present), Institute of Electrical Engineers, Japan (IEEJ) (1994-Present), theEuropean Power Electronics Association (EPE) (1997-present), the Institute of Electrical andElectronic Engineers (IEEE), USA (1992-present), Nigeria Society of Engineers (NSE) (2017-present). He is a registered Engineer of the Council for Regulation of Engineering in Nigeria(COREN),since2011. Engr. Prof. Ejiogu has numerous publications in reputable international journals and conferencesand has trained numerous Masters and PhD students, both in Japan and in Nigeria. He also haslocalandinternationalpatentsinnewenergydevicesandsystems.Hisareasofexpertiseandresearchincludeindustrialandinnovativeelectronics,powerdevicesandnewenergysystems.

 

ENGR. DR.EYA, CANDIDUS. U

CandidusU.Eya (PHD) –Google Scholar.CandidusEya  -publons Scholar.Senior Lecturer in Electrical Engineering University of Nigeria, Nsukka, Enugu State Nigeria

STUDY FIELD: Power Electronics Devices and New Energy Systems in Electrical Engineering, University of Nigeria, Nsukka, Enugu State Nigeria.

ORCID NUMBER: https://orcid.org/0000-0003-1362-8393;  NATIONALITY: Nigerian

MOBILE PHONE NUMBER:  +234 8064293266,+234 9159483634,

Whatsappnumber:+23490459661027

 

PRESENT EMPLOYER:   University of Nigeria, Nsukka. Enugu State, Nigeria

POSITION: Senior Lecturer

RESEARCH AREA OF INTERESTS: Design, Modeling, MatLab/Simulink Simulation &

Practical Implementation of Power Electronic   Converters , etc

 

MEMBERS GOOGLE SCHOLAR CITATION LINKS:

 

MEMBERS RESEARCH GATE LINKS:

 

10 KEY PUBLICATIONS OF THE RG FROM 2019 TILL DATE

  • U-EYA, Candidus, TOBE, Chinedu, LUKE, Omeje et al. AN ENHANCED POWER DC-AC BUCK CONVERTER. DYNA Energía y Sostenibilidad, Jan.-Dec. 2023, vol. 12, no. 1, p DOI: https://doi.org/10.6036/ES10634
  • Candidus U. Eya, AyodejiOlalekanSalau, Sepiribo Lucky Braide, S. B. Goyal, Victor AdewaleOwoeye and OluwafunsoOluwoleOsaloni, “Assessment of Total Harmonic Distortion in Buck-Boost DC-AC Converters using Triangular Wave and Saw-Tooth based Unipolar Modulation Schemes” WSEAS TRANSACTIONS on POWER SYSTEMS, pp.324-338, November 8, 2022, E-ISSN: 2224-350X, DOI: 10.37394/232016.2022.17.33
  • U. C. Ejiogu and O. N. Iloanusi, “Real time iris segmentation quality evaluationusing medoids,” Pattern Recognition., vol. 137, no. 1, pp. 1–15, 2023, doi:10.1016/j.patcog.2022.109290.
  • Ravita Lamba, Chika Maduabuchi, Emenike C. Ejiogu, A Novel Solar Thermoelectric Generator with Conical Frustum Leg Geometry, Topical Drifts in Intelligent Computing, 2022, Volume 426, ISBN: 978-981-19-0744-9

 

LIST OF PATENTS/EXHIBITIONS/SHOWS/PRODUCTIONS, ETC, FROM 2019 TILL DATE: Automatically Controlled Solid-Fuel Gasifier Stove(https://liepnes.net/patent/automatically-controlled-solid-fuel-gasifier-stove)