Reactive power optimization method for photovoltaic reactive power partition pricing power distribution network
An optimization method and distribution network technology, applied in the direction of single-network parallel feeding arrangement, etc., can solve the problem of unreasonable consideration of reactive power costs, failure to meet user reactive power requirements and system voltage stability requirements, and hardware resource utilization to be improved And other issues
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[0171] Example: The correctness of the reactive power compensation optimization model and method is verified by using the improved 10kV power distribution network structure based on IEEE33 nodes. The load after improvement is 3 720+j2 300kVA, the average load value of each node changes according to the daily load forecast curve and the power factor of each node remains unchanged. The reference capacity is 10MVA, the head-end voltage is 12.66kV, and the corresponding unit value is 1.05p.u. The on-load voltage regulating device OLTC installed between nodes 1 and 2 has five gears, namely [0, 1±2.5% , 1±5%], the maximum number of daily adjustments is 4 times. According to the voltage deviation rate of the distribution network safety operation standard is 7%, the upper and lower limits of the voltage are set as ±5% of the rated value in this paper, and the maximum value of the branch current is taken as 0.5kA. 800kWp distributed photovoltaics are respectively connected to end node...
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