Abstract
According to research, the greatest impact on the electric drives of production machines and mechanisms have deviations and asymmetry of the voltage.Voltage asymmetry leads to losses that have an electromagnetic and technological component. Studies on the influence of voltage asymmetry on the technological characteristics of working machines and mechanisms have shown that voltage asymmetry reduces their productivity. However, there are no studies on the effect of voltage asymmetry on the energy performance of working machines.The purpose of the study is to establish the effect of voltage asymmetry on the energy performance of ventilation systems.The constant and variable losses in the asynchronous electric motor change at voltage asymmetry.It is proposed to conduct an energy assessment of the ventilation unit for the specific consumption of electricity.A study of the effect of voltage asymmetry on the energy characteristics of ventilation systems was conducted. The dependence of the specific power consumption on the change in the stiffness of the mechanical characteristics of the motor at voltage asymmetry was obtained. It is established that sliding and power losses increase with voltage asymmetry. As a result, specific losses of electricity in ventilation systems increase.
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