Application Research Of Cable Fault Location In Distribution Network System Of Duanzhou Power Supply Bureau

For the power industry,as a system,the by multiple agencies closely combined in a piece,in China's industrial system,occupy the core position,connected to various industries in the electric energy supply,for the development of the country is the core of the utility.For the electric power system,the distribution network is the core part,which is used to ensure the safety and reliability of power supply in the process of transportation.Due to the continuous development of social economy,the demand for power distribution network continues to improve.If there is a problem,can not be quickly and effectively deal with the investigation,then the country will have a huge loss of property and the people s property.For the distribution network,locate the fault,to strengthen the positioning of rapidity,accuracy and automation level,this paper describes the China domestic and overseas relevant fault location skills to explore the truth,for ground short circuit mechanism,made a detail,points out a kind of new-style fault inspection system.For fault detection terminal,the choice of Ti enterprise manufacturing module of TMS320F2812,belonging to a 32-bit fixed-point DSP chip,as the core processor,in terms of function to flop on display,can also through light flashing alarm.In terms of hardware,covering the whole architecture:DSP2812 minimum system board,double power intelligent management module,the nRF24L014 wireless RF transceiver plate,GPRS/GSM remote communication plate,signal conditioning plate,fault test plate.Covering in CCS3.3 environment,software code selection C language development,function:nRF24L014 wireless communication and GPRS SMS transceiver and fault diagnosis etc.,and points out the improved full wave Fourier algorithm,can science filtered generated in power system fault harmonic and decaying DC component.For the upper computer,the GIS system can be used as a graphical support platform,in the process of finding fault location is convenient,direct.Through the actual operation,it is found that the inspection system can help the maintenance members to quickly find out the direction of the problem,and have greater reliability.