Electrical Energy Systems Research Team

We are ER.SEE, a Research Team in Electrical Energy Systems housed in the Laboratory of Technologies and Applied Sciences (LTSA) of the University of Douala.

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Our missions

Our missions are:

- initiate and train students in applied research in the field of electrical engineering:
          - electrical networks,
          - high voltage technique,
          - electrical engineering materials,
          - optimal production of small-scale electricity for rural areas.

- to carry out research projects relating to development problems in Cameroon and in the sub-region.

The ER.SEE is a team at the service of the company and more specifically, creator of added values and developer of innovative and adapted solutions.

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News & Events

Dec 3, 20223 min read

Proceedings of the doctoral seminar of 30 November 2022

On Wednesday 30 November 2022 at the B campus of the Gulf of Guinea University Institute (GUI) held the first doctoral seminar of the...

Aug 28, 20211 min read

Seminar announcement

The quarterly seminar of the Electrical Energy System Research Team will be held in November 2021 for 3 days, for D1, D2, D3 and M2R in...

Aug 8, 20212 min read

Ph.D. thesis defence of Mr TCHAMDJIO NKOUETCHA Emeric on 4 August 2021

TCHAMDJIO NKOUETCHA Emeric defended his thesis on Wednesday 04 August 2021 at 10:00 am in the John Ebanja amphitheatre of the UIT of...

Latest publications and conferences

Investigation of the Effect of Zinc Nanoparticles (Zno) on the AC Breakdown Voltage and Acidity Index of Based Nanofluid on Methyl Ester of Palm Kernel Oil

Jean-Bernard Asse; Ghislain Mengata Mengounou; Adolphe Moukengue Imano

Abstract:

In this paper, we investigated the influence of zinc (ZnO) nanoparticles (NPs) on the AC breakdown voltage (BDV) and acid number (AI) of palm kernel oil methyl esters (MEPKO). To determine this impact, several samples with different concentrations of NPs are prepared by homogenizing the mixtures with an ultrasonic homogenizer. The measurements of breakdown voltage and acidity index are made respectively from the ASTM D1816 and IEC 296 standards. These measurements are made both before and after the addition of zinc nanoparticles. The results obtained allow us to conclude that the acidity index of the MEPKO increases by 320% for a concentration of 0.10% ZnO. For concentrations of 0.15% and 0.20% ZnO, there is an increase of 183% and 116% with respect to the AI of the MEPKO For BDV, there is a recovery of 8% and 3% for 0, 10% and 0.15% ZnO concentrations respectively. For a concentration of 0.20% ZnO, there is a 9% increase in the BDV of MEPKO. This analysis shows that the addition of ZnO to MEPKO has a negative impact on their AI. This is not the case for their BDV which are at two concentrations (0.10% and 0.15%) decreases before increasing for the concentration of 0.20% ZnO.

Published in: International Journal of Scientific & Technology Research 10 (06): 262-267

Date of publication: June 2021

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