Voltage optimization method of distribution network generation predication technology based on Elman algorithm

Abstract

The present invention discloses a voltage optimization method of a distribution network generation predication technology based on an Elman algorithm. Based on a similar day selection algorithm and an Elman nerve network, the output power predication of a distributed photovoltaic power station can be completed, a control strategy with distributed photovoltaic distribution network voltage off limitation is advanced based on active and inactive coordination control, and an improved smart particle swarm optimization algorithm is employed to perform searching optimization calculation to complete the voltage optimization control of a power distribution network line, and therefore, the voltage optimization method of the distribution network generation predication technology based on the Elman algorithm has the applicability.

Description

Technical field [0001] The invention relates to a voltage optimization method of distribution network power generation prediction technology based on Elman algorithm, and belongs to the field of distributed photovoltaic technology. Background technique [0002] The distribution network voltage fluctuation problem caused by distributed photovoltaic access to the distribution network needs to be solved urgently. As the main form of utilization of clean energy, distributed power sources are increasingly connected to the distribution network. On the one hand, distributed power sources are easy to install. , Flexible power supply, etc., which can improve energy utilization efficiency, reduce pollutant emissions, improve power supply reliability, power quality, and reduce network losses; on the other hand, large-scale distributed photovoltaic access proposes to the safe and reliable operation of the future grid In response to the challenge, grid companies will face a large number of bl...

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Problems solved by technology

[0002] The distribution network voltage fluctuation problem caused by distributed photovoltaic access to the distribution network needs to be solved urgently. As the main form of clean energy, the number of distributed power sources connected to the distribution network is increasing. On the one hand, distributed power sources are easy to install. , flexible power supply and other characteristics, can improve energy utilization efficiency, reduce pollutant emissions, improve power supply reli...

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