Research On Reactive Power Optimization Control System Of Oilfield Distribution Network Based On Cloud Computing

With the increase of reactive power demand in oilfield distribution network,therefore, under the premise of ensuring oilfield electric equipment work normally,improving system power factor, reducing distribution network losses is a seriousproblem. In this paper, put forward the oilfield distribution network reactive poweroptimization method based on cloud computing in the oilfield distribution networkstructure of research background. Selecting the optimum compensation capacity andposition quickly. Designing the HVC synchronous switching compensation controlsystem. Predicting the response time accurately based on engraved effect to controlsynchronous switching. Meet the conditions of stable operation. Providing a train ofthought to solve the reactive power compensation problem of oilfield distributionnetwork.First of all, clearing compensation principle of oilfield distribution network inorder to solve reactive power optimization. Select the compensation method of HVCdevice and the compensation mode of distribution transformer side groupcompensation. To carried on a preliminary selection for installation position in orderto narrow the scope of optimization. According to the scheme of reactive poweroptimization, establishing mathematical model of oilfield distribution structure. Tocarried on the selection of objective function and limited constraint conditions,Adopted reactive power optimization method of the improved genetic algorithm.Aiming at the complexity of algorithm. In order to speed up the solution, improvingthe design efficiency. Combined with field measured data, using a emergingcomputing tool called Hadoop cloud computing platform to solve the optimalcompensation position and capacity quickly in order to achieve global optimumcompensation effect.Secondly, designing the structure of HVC reactive power compensation deviceand control process in order to ensure the effect of reactive power compensation.Selecting the compensation capacitance and reactance rate according to the result ofoptimization. Studying the instantaneous reactive power theory for detectingreactive power. Analyzing the transient process of switching capacitor, proposingsynchronous switching control method. For the high demand of accurate predictionin contactor response time. By analyzing the environmental influence of contactresponse time. Putting forward a control strategy of HVC zero-switching based onthe engraved effect. Ensuring the accuracy of the contactor response time prediction.Reducing the HVC may produce negative effects such as surge current and theovervoltage. Finally, building HVC simulation model, verifying device compensation effect,through contrasting switching contactor instantaneous voltage and current changesunder different open-close brake initial angle. Verifying the effectiveness of curbingthe surge current and over voltage by synchronous switching. Meanwhile, designingthe hardware platform of HVC synchronous switching control system. Verifyingaccurately predict the response time of contactor by experimental system, realizingthe real synchronous switching. Guaranteeing the stable operation of HVC system.To be able to meet the application condition of oilfield distribution network reactivepower compensation.