Abstract
The article considers the using intelligent controls possibility in low-voltage rural electric networks to minimize the unbalance modes consequences. The proposed technology includes the digital data transmission compilation on the electrical energy parameters with a new balancing technical means the electrical network operating mode. Digital feedback is provided for changes the balancing device (BD) parameters by the unbalancing power consumption changing level. Based on the developed methods compilation, software for calculating unbalancing modes has been created, which makes it possible to assess the currents and voltages unbalancing effect on the power quality and its additional losses change. The “green” technology proposed version, which increases the economic and the electric energy environmental safety use in the rural electric power industry, contains a new constructive solution for the balancing device implementation. The proposed technology was tested on the measurement data basis in existing electrical networks. Based on the MALAB technologies use, changes studied indicators visualization in the before and after BD integration in the electrical network was carried out and its analysis was makes. Used on the “neural networks” MALAB technology, a preventive assessment of the unbalancing power consumption events development in the investigated operating electrical network is presented, as well as the proposed technology effectiveness assessment was carried out.
Highlights
Ensuring safe and reliable power supply to consumers is an essential requirement for the various economic orientation electric power systems
0.38 kV voltage rural electric networks are characterized by the phase currents and voltages unbalance
Changes in the currents and voltages unbalance are always different on different the three-phase electrical network sections, which is due to the unbalancing power consumption probabilistic nature
Summary
Ensuring safe and reliable power supply to consumers is an essential requirement for the various economic orientation electric power systems. The article purpose is to develop a smart grid technology for assessing and minimizing the unbalancing consequences modes in rural electric networks To achieve this goal, a tasks number have been formulated: - based on the developed methods to create an algorithm and software "GSG Technology"; - to consider the using possibility a special balancing device with digital feedback; - to test the proposed technology to assess the current unbalance mode operation level in the 0.38 kV electrical network; - to analyze the unbalancing modes and prove the proposed model balancing device effectiveness; - to carry out the results statistical processing obtained and to prognosis the development unbalancing power consumption events in the existing electrical network
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