This paper studies the conditions under which such non-active power components as reactive power and distortion power appear in the alternating current power network. By simulating with MatLab Simulink, the validity of formulas obtained by analytical way was tested. The formulas define the components of non-active power based on one of the most well-known theories. The results obtained will be useful for mode optimization in the alternating current networks and for developing effective non-active power compensating technologies.
The labour safety management system (LSMS) at many enterprises is absent or does not work effectively, although it is an essential component of the safe work organization. In this connection, one of the basic mechanisms is the systematization of activities in the field of industrial control, as well as in the occupational risk management. This article proposes a methodological approach to improving labour protection at a food enterprise. In the implementation if this approach the following tasks have been completed: the most significant information elements of the LSMS have been identified and the least studied information element have been identified; identification of hazards and risks assessment based on production control data and special assessment of working conditions was carried out; the ranking of the assessment of the conditions of possible risk at workplaces was carried out; a risk management strategy for the enterprise was developed. The results of the proposed research support the effectiveness and prospects of the developed approach.
The article examines the conditions for the appearance of such components of inactive power in electric alternating current networks, which are known as reactive power and distortion power. Through simulation modeling, the validity of the expressions that were obtained analytically and determine the components of inactive power was verified. The validation of expressions based on theoretical concepts. The results are useful in optimizing modes in AC networks and creating effective technical means of compensating latent capacities.
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