Abstract

As power flow in oil field High-voltage Distribution Network (HVDN) is fluctuant owing to the dynamic load performance of pumping units, HVDN can't be allocated reactive power configuration of shunt capacitors only according to single load level. A high-voltage var compensation optimization method of oil-field distribution network with the probabilistic load model considering load dynamic performance is proposed, which is based on the periodic alternating load character of pumping unit. With the goal of minimizing annual overall cost, a reactive power optimization mathematical model is established. Meanwhile, the capacitors' location is determined by using sensitivity analysis and the optimal capacity of the capacitors is solved by Differential Evolution Algorithm (DEA). Then the validity and practicality of the approach is verified in a practical example.

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