A group of scientists from Novosibirsk State Technical University (NSTU) has developed a device for power supply systems with nonlinear loads. It will help improve power quality and reduce the negative impact of electrical loads on the grid.
The device is an electronic voltage converter based on controlled transistors. It is connected to the grid in parallel and contains a control system that introduces a compensating effect in the form of current and monitors the behavior of the load. Scientists have already provided a prototype that has been tested in laboratory conditions.
GOST standards regulate the quality of electricity; the grid must provide a certain voltage level. When we connect loads to it, deviations in frequency and voltage amplitude occur, equipment malfunctions and additional losses of electrical energy are likely, which reduces the efficiency of the entire system. An active power filter will allow us to obtain a power supply system without deviations from GOST.
The peculiarity of the algorithm developed by the scientists is that it allows solving the problem not in the entire network, but specifically in the area where a complex nonlinear load has arisen. The converter will improve the quality of electrical energy and smooth out the negative impact of electrical loads on the grid.
Earlier, www1.ru reported that Russian scientists established the sensitivity of armored and dielectric cables to atmospheric phenomena.
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