Abstract
This article discusses the issues of ensuring the power quality. An analysis of the higher harmonics arising from the operation of photovoltaic power stations is made. The results of experimental research are presented. Based on the measurement and calculation data, time diagrams of changes in the parameters of the electrical system mode for the studied periods of time were constructed.
Highlights
The growth of the power of low-voltage electrical networks and the need for uninterrupted power supply to responsible consumers put forward increased requirements for the impact on the power quality both from the equipment for generation, transmission, distribution, and from the side of consuming equipment
The issues that are included in a set of measures aimed at improving power supply in order to prevent the consequences of a possible deterioration of modes caused by a deterioration in the power quality are gaining relevance
Improving the power quality reduces the likelihood of accidents, increases the safety during the operation of electrical installations, the stability of power systems and their energy efficiency [1, 3, 6]
Summary
The growth of the power of low-voltage electrical networks and the need for uninterrupted power supply to responsible consumers put forward increased requirements for the impact on the power quality both from the equipment for generation, transmission, distribution, and from the side of consuming equipment. Particular attention in the design of electrical installations should be assessed the impact on the quality of nonlinear loads of consumers, designed on power semiconductor devices (diodes, thyristors, transistors, etc.) These converters (secondary power supplies) are part of computer and telecommunications equipment, household and audio-video equipment, which have nonlinear characteristics. Various methods can be used to try to mitigate the problems caused by higher current harmonics at loads with a high crest factor [2,4]
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