Research On DG Optimization Of Active Distribution Network Based On Real-time Price Mechanism

With the consumption of social resources and the serious pollution of the environment by coal-fired power generation,the research of the new type of energy is paid attention to by the State and people,the distributed power supply(Distributed Generation,DG)has entered into the public's field of vision,active distribution network(Active Distribution Network,ADN)has made unprecedented leap-forward development.However,because DG Output has its own problems,after merging the distribution network will cause the stability of the system drop,in order to meet the DG output is very good application,with active control capacity of ADN came into being.ADN is a whole composed of active control mode ADN distribution network optimization ADN operation.In the process of DG optimization,the active function of the logical integration of DG output is the most important part of the whole process.The main problem studied in this paper is the maximum admittance capacity,distribution arrangement ADN voltage current operation of DG in the active distribution network.Real-time pricing mechanism is a kind of price mechanism of electricity price changing with time.It is through the price change to motivate the user's electricity habit,make it shift from the peak period to the trough period,so as to improve the system load rate ADN equipment utilization,at the same time can improve DG's network,realize energy-saving use.The real time electricity price mechanism has certain superiority in the electricity price aspect in today's electric power system,may enable the user ADN the power supply company to achieve the win effect,having the huge research value.This paper gives a brief description of active distribution network,distributed power supply ADN real time price mechanism,introduces their development history,present situation ADN research background,ADN explains their status ADN role in today's society,which plays an indelible ADN important part in power system operation.Secondly,the characteristics of the ADN are described in detail,ADN the typical DG types are briefly explained ADN the influence of DG incorporation into the power system is analyzed.Based on the known load of each node in the 10-node network of ADN,this paper calculates the current situation of the voltage ADN line loss of each node,analyzes the problem of the maximum admittance capacity ADN the distribution position of DG in ADN,in order to ensure that the ADN can be more satisfied with DG under the condition of safe ADN stable.Then,it briefly explains the theory of real time electricity price,such as the classification of real time price,the principle ADN method of pricing,then analyzes the role of the market subject in real time electricity price ADN makes feasibility analysis.At the same time,by analyzing the influence of the ADN price elasticity function on the user's power consumption behavior,the real time price model is established ADN the optimal solution of real time electricity price is obtained.On this basis,the optimization of real-time electricity price to DG is analyzed.Finally,the paper analyzes the role of the active distribution network in the future power system,ADN explains the development prospect of the real-time pricing mechanism.