Articles by Author: Noel Djongyang

Search results for Noel Djongyang

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  1. Operation and maintenance of back-up photovoltaic systems: An analysis based on a field study in Cameroon

    Operation and maintenance of back-up photovoltaic systems: An analysis based on a field study in Cameroon

    This work is an analysis of the data collected from 20 photovoltaic installations all over Cameroon. The objectives are to study the causes of the breakdown of the different installations and propose maintenance strategies to solve them and to evaluate...
  2. Incidence of HIV-1 infection and changes in prevalence of reproductive tract infections and sexual risk behaviours: a population-based longitudinal study in rural Tanzania

    Incidence of HIV-1 infection and changes in prevalence of reproductive tract infections and sexual risk behaviours: a population-based longitudinal study in rural Tanzania

    Item type: Journal Article • Journal: African Journal of AIDS Research
    This study aimed at describing the prevalence and incidence of HIV-1 and change in the prevalence of reproductive tract infections (RTIs) and sexual risk behaviours in the rural Kilimanjaro region of Tanzania. Two cross-sectional surveys among the total village population...
  3. Effect of organic cultivation of rooibos tea plants (<em>Aspalathus linearis</em>) on soil nutrient status in Nieuwoudtville, South Africa

    Effect of organic cultivation of rooibos tea plants (<em>Aspalathus linearis</em>) on soil nutrient status in Nieuwoudtville, South Africa

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    The shoots of rooibos (Aspalathus linearis (Burm.f.) R.Dahlgren) plants, cultivated organically by small-scale farmers in Nieuwoudtville, are harvested for the production of tea. These practices could lead to decreasing soil fertility. It was hypothesised that soil from cultivated rooibos plots...
  4. A proportional integral synthesis for a variable speed wind energy conversion system using a permanent magnet synchronous generator

    A proportional integral synthesis for a variable speed wind energy conversion system using a permanent magnet synchronous generator

    A wind energy conversion system applied to battery charge is proposed in this paper. A permanent magnet synchronous generator (PMSG) is used as a variable speed generator in the proposed system. In order to extract the maximum power, the generator...