Analysisofsubstationautomationsystemisrunning-毕业论文翻译

1、An alysis of substati on automati on system is runningKeywords: run, comprehe nsive,mon itori ng,backgro und,substati ons,software,mon itori ngsystems,protecti on, automati onIt will be a variety of traditi onal discrete substatio nin tegrated automatic device within an in tegrated system,and has ru

2、n man ageme nt fun cti on s, i nclud ing: tabulati on, statistical an alysis, to preve nt misuse, gen eratereal-timeand historicaldatastream, thesafeoperati onofmon itori ng,accide ntseque neerecords, recalltheaccide nt, toachievelocal and remotemon itori ngandin formati on shari ng, do not repeat t

3、he acquisiti on.Substati onautomatio nsystem from itsmeasureme ntandcon trol,security and othercon siderati ons, can be divided into three systems.(1) monitoring system. Monitoring system is to complete the an alog in put, digital in put, con trol output and other fun cti ons of the system, gen eral

4、ly with measureme nt and con trol devices for line and tran sformerstati onoperati ngparameters of the measureme nt,mon itori ng,and circuit breakers, isolati onswitch,tran sformertap switch ingand other equipme ntadjustme nts.(2) protecti on system in the in tegrated automatio nsystem,therelayshoul

5、d be relatively independent, inadditi ontoin putand the trip to bein depe ndent,theprotecti on of the start,measureme nt,and logicalfun cti ons should be in depe ndent, this time to protect the device through the serial com muni cati on in terface to send only some of the protective acti on of the i

6、n structi ons or recordthe sig nal data;also be cha ngedviaremotecom muni cati on in terface to protect the value additi on, the generalrequirements ofthe fault recorderandrangingfrom the protecti on system with complete fun cti on s, if the higherrequireme nts ,the n con figurethespecialequipme nt

7、and a corresp onding com muni cati on in terface.(3) The circuit breaker locking system. Substation automatio n system should have a full range of an ti-erroroperating system to function by blocking the effective realization of the five anti to ensure network and pers onal security.1 backgro und mon

8、 itori ng mach ine on several issues1.1 Backgro und mon itori ng mach ine operati on andman ageme ntIn actual operati on, there have bee n many times the background control and monitoring of machines due to huma n causes paralysis and other mach ine itself does not work, seriously affecttheoverall o

9、perati on of thesubstation. To prevent this from happening,first, thebackgro und to the developme nt of substati on mon itori ng mach ine running and man ageme ntsystems and strictenforcementof the duty personnel constraints preventthe use of backgro und mon itori ng mach ine to play games, Intern e

10、t, preve nti ng un authorized use of floppy disks andCD-ROM drive to controlthe virus, etc. Second is tostrengthen the management of regular and irregular inspections,identifyproblems , dealt with immediately,leav ing troubles. The third is to set the operati ng system and mon itori ng software pass

11、word man ageme nt practices, on ly man ageme nt andsubstati onmaster passwordown ers, gen eral duty officers do not have the password, to preve nt free access to the operat ing system and startup, shutdow nmon itori ng software, preve nt the use ofbackgroundmonitoringmachine s hardware and3software

12、resources and destruction. fourth is to use monitoringsoftware package operatingsystem, such asthe East of electro nicproducti on of the DF Seriesautomati on backgro und mon itori ng software package has started the operati ng system fun cti ons.mon itori ngsoftware package operati ng system means t

13、hat whe n the mach ine first starts backgro und mon itori ng, the mon itor automatically start the operating systemto start themon itori ngsoftware, mon itori ngsoftwarein terface tostart up, if the outage monitoring software, requires a password, only the master password can mon itor outage softwar

14、e into the operating system now, thereare somebackgro und mon itori ng of substati on automatio n system software does not have this feature, together with technical staff to resolve the manufacturers.Monitoringsoftware package operatingsystem functions to preventbackgro und mon itori ng mach ine us

15、ed by others and the destructionaspect is very effective in the choice ofbackgro und mon itori ng software should be selected with this fun cti on ality.selecti onAs backgro undmon itori ngmach ines requirereal-time operati on, larger tha n the data process ing, fast response, and in a strong electr

16、omagneticenvironment,so an ordinary computer can not meet the requireme nts, the choice should selecthigh-performa neeIPC.High-performa nee IPC able to work in strong electromag netic en viro nment, an ti-jam ming performa nee, real-timeoperati on,hardware good job stability,backgro und mon itori ng

17、 system to meet the requireme nts of the substati on is curre ntly in a nu mber of substati ons, due tobackgro undmon itori ngmach inesusingcommercial mach in es, domestic mach ines and other computer , there have bee n in damage con trol and not the backgro undwork. substatio n high-performa nee IP

18、Cbackgro und mon itori ng system to en sure the security and stability.1.3Backgro undmon itori ng soluti ons forunin terruptible power supply unitIn some substati ons,there is no backgro undmon itori ng mach ine con figurati on for the Unin terruptible Power Supply, using a station with a variable A

19、C power using AC power station with a change of the followingdrawbacks:First, whe n the system power failure, thebackgro und mon itor mach ine loses power, does not work;Second, stop using variable AC voltage fluctuations, voltage quality and sometimes fail, sometimes high voltage, bur ned computer,

20、 sometimes the voltage is low, the computer does not work, can not give back the power con trol unit to provide qualified; Third, whe n the statio n become one with the fuse control fuse, the background monitor machineloses power; Fourth, when the 10 kVsystem is groun ded, the stati on with a variab

21、le AC power harm onicin terfere neeseverely affect the backgro undmon itori ngmach ineto work, socomprehe nsivebackgro und from substati on mon itori ng system should be equipped with not intermittent powersupply to preventpower station to ensure the monitoring system fails to work, especially in th

22、e eve nt of an accide nt can en sure that all in formati onare not lost, however, con figure anunin terruptible power supplysubstatio ncon structi oncosts will in crease, and that battery Life is short, the capacity is not large, therefore you can use the followi ng programs: Con figurati on can rev

23、erse into AC DC in verter to the DC station battery for DC power inverter, reverseinto the backgroundmonitoringthe exchange after thesupply mach ine with a capacity of about 1 000 VA selectedCon figure the in verter,do not purchaseano therDCbattery,saving investment, and the substationbatterywith la

24、rge capacity, long life, stable outputetc. http: / /en 1.4Backgro undmon itori ngsoftware backupproblemsBackground monitoring unit regardlessof howgood the quality of computerbackground, arelikely todamage, so the new substatio nput intooperati on,mon itori ng software shouldbe backed upon thebackgr

25、o und, and this should be backed up with cha nges to substatio n equipme nt upto date, although somemanu facturers Backup a backgro und of some substati on mon itori ng system software, but the manu facturers, after all, for the national market, the backup is not complete, reliable, therefore, it is

26、 recommended that the relay stati on man ageme nt backgro und mon itori ng software to do the backup work, and properly custody, in case of emerge ncy. backgro und mon itori ng software backup can be saved in the mobile hard disk or CD-ROM.2 accide nt and early warni ng mon itori ng system to protec

27、t audio sig nalsSome substati onprotecti onand early warningmon itori ngsystem accide ntsmon itori ngsystembackstage audio sig nal by the con trol,whe nthebackgro und mon itori ng mach ine can not work, accide nts and warningaudio signal is not sent, can not show onduty or failure to deal with accid

28、e nts, seriously affect the safety of substation run, in this case, manufacturers should con tact the co-process ing, accide nt protecti on and early warni ng mon itori ng system in depe ndent audio sig nals, without backgro und mon itori ng system con trol, to preventthe occurrenee of backgroundmon

29、itoringmachine does not work, unable to protect the accident and early warning audio sig nal situati on.3 in tegratedautomati onsystemselecti onandorderi ng problemsCurre ntly, the in tegrated automati on systemmanymanu facturers, the manu facturers of the software compatibility is poor, however, th

30、e existing rules is the mai n orders: 10kV protecti on and mon itori ngsystembun dle, which purchased the 10 kV protecti on who haveto buy back con trol system whose . This has resulted in awide variety ofsubstatio nprotecti on,differe ntmanu facturers of products for access con trol system must be protocol con verter or in terface con verter which would not only result in integratedautomation system is notreliable, while also resultingin many should have thefun cti on can not achieve, so, i n the in tegrated automati on