Evaluation of the Impacts of Load Variation on Vibration and Quality of Power Generated in Standalone Generator

• A. I. Onile

• M. R. Adu

• Olayinka Oyeleye

  Federal University of Technology, Akure

Standalone generators are vital for supplying electricity in remote areas and serving as backup systems where national grid power is unavailable. Their performance and longevity, however, are often compromised by load variations during operation. This study investigates the impacts of load fluctuations on vibration behaviour and power quality in two standalone generators of different ratings: Generator 1 (TG950, 0.650 kVA) and Generator 2 (SENWEI, 1.5 kVA). Experiments were conducted using resistive loads to simulate real-world operating conditions. The methodology encompassed three stages: analyzing vibration levels under varying load types, assessing voltage and current stability, and developing a predictive model to estimate the effects of load variation. Results showed that load variations influence both vibration intensity and electrical output, with measurable deviations in power parameters of voltage and current under different load conditions. It is concluded that varying loads significantly increase vibrations due to added mechanical stress; and fluctuating loads disrupt voltage and frequency stability. In order to enhance generator performance and reduce vibration issues, implementing effective load management strategies is essential. Future research should explore advanced monitoring and control methods to notify vibration beyond acceptable limit on time in order to maintain generator stability and efficiency.

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