Abstract
The article presents the issues of static load characteristics construction in the presence of high harmonics. Mathematical equations for power calculations in the presence of high harmonics are proposed. Reactive power is calculated at the fundamental frequency based on minimizing the computational error of electronic energy meters and providing minimum costs to ensure maximum degree of reactive power compensation using condenser batteries. The dependences between distortion power and voltage are constructed according to the results of measurements at the laboratory stand. Such dependencies allow us to identify the nature of harmonic distortion, to develop measures for minimizing the distortion power and consumer contribution to the voltage distortion.
Highlights
Many enterprises are experiencing active introduction of electrical equipment, the operation of which results to the high harmonics occurrence in the consumers and energy providers grids [1,2,3,4,5,6,7]
The construction and analysis of dependences between distortion power and voltage allows us to identify the nature of the harmonic occurrence, to develop measures for regulating the distortion power, to minimize the consumers’ contribution to the voltage distortion and the influence of high harmonics on electrical equipment operation
The waveforms of currents and voltages were obtained in laboratory conditions for six different nonlinear loads taking into account the phase parameters
Summary
Many enterprises are experiencing active introduction of electrical equipment, the operation of which results to the high harmonics occurrence in the consumers and energy providers grids [1,2,3,4,5,6,7]. Calculating the payment for consumed power and electricity is performed in a manner when active and reactive components of power and electricity are accounted for [8]. This is typical for circuits with sinusoidal currents and voltages. In terms of power metering, electric power meters tested for sinusoidal conditions are currently used under nonsinusoidal conditions. In these conditions power meters can give different readings of active and reactive energy. According to standards for reactive energy meters this type of testing is not included
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