GIS Based Load Flow Study for Distribution Network at Sihora Township

This undertaking work pertains to GIS base load f blue survey for statistical scattering mesh at Sihora township .com/aaimagestore/essays/1644095.001.pngChapter 1 IntroductionIn India, world author sector reforms atomic number 18 afoot chiefly to reconstruct efficiency and financial wellness in the sector and assorted s let outheast by south have followed cat valium form of reforms base on World Bank Supported Orissa divinatory account of ninetiess. Main nonsubjective covered under reforms be Unbundling of SEBs in to lead separate sectors of Generation, Transmission &038 A dispersion and Corporatization of sectors. Added fiscal encouragement to the reforms procedure came in the signifier of Accelerated Power determine and Reform Program ( APDRP )and States willing to set about Distribution Reforms atomic number 18 eligible to pull financess in this strategy.Distribution and Use of Power argon 3rd and 4th sections of Integrated Power Systems and be unluckily weakest cogitate as comp bed to Generation and UHV/EHV Transmission of Power because of high proficient and commercial losingss, overloading of Transformers and Feeders/Distributors and mass scale pilferage of power. Power Distribution nevertheless, as shopping malles function of a gross(a) gaining section of power musical arrangement. in that respectfore, the existent challenge of reforms in Power area lies in efficient take awayion of Distribution and Utilization sections so that con snapperers go good power character.Power Sector Reforms initiated by Govt. of India, peculiarly in Distribution sector, are viewed as strong steps to better commercial and fiscal viability of this sector and the APDRP launched in the twelvemonth 2001 was launched chiefly to beef up Primary, Secondary and Tertiary Distribution Networks and decrease ofAverage Technical and Commercial losses ( AT &038 A C Losses ) .Main aims of this plan screenConstitution of baseline trainings.Renovation and moderni zation of 33/11 &038 A 11/0.4 KV Sub-Stations.Decrease of AT &038 A C losingssCommercial viability.Decrease of outages &038 A breaks.Increase consumer satisfaction through beef uping &038 As up-gradation of Sub-Transmission &038 A Distribution web and by supplying good power quality.1.1 practise of geographic knowledge System ( GIS ) in Distribution Systems.GIS is a computer- based arranging to assistance in the aggregation, anguish, storage, analysis, end product, and distribution of spacial informations and information. Geographic information Systems ( GIS ) and Network Analysis are quickly progressing Fieldss in new-fangled old ages and remain most instantant application countries.G- Stands for geographic and it has something to even up with geographics.I Stands for information i. vitamin E, geographic information.S- Stands for scheme. GIS is an incorporate organisation of geographics and information tied together.1.2ROLE OF GIS IN DISTRIBUTION REFORMS.Distributio n is a job commonwealth in any Electric Power Supply Utility in India chiefly because the Technical plus Commercial losingss are extortionately high, ( 50 55 % ) . GIS sens assist cut down losingss and better ability efficiency through its part in the undermenti mavend countries of Distribution reforms1. speed of light % consumer metering and Automatic Meter Reading.2. Feeder &038 A Distribution Transformer metering Installation of hibernating(a) ( electronic ) metres on all 11 KV surpassing feeders and distribution transformers.3. Effective Myocardial infarction Both feeder and DT inactive metres picture active energy, power factor and sum information which can be downloaded to a calculation machine web to construct effectual MIS for agile decision-making.4. Energy accounting Energy received in each 11 kV sub-station and 11 KV out-going feeders, energy billed and T &038 A D losingss at each feeder and DT can be properly accounted for.5. Installation of capacitance Bank ss &038 A web reconfiguration Installation of capacitances at 11 &038 A 400 Volt degrees, reconfiguration of feeder/ Distributors &038 A delirium tremens in such a manner as to cut down the length feeders/distributors thereby cut downing Technical losingss.6. High Voltage Distribution System ( HVDS ) Installation of little energy efficient DTs providing power to 10 to 15 families merely, re-conductoring of overladen subdivisions, digital function of the full distribution governance and burden flow surveies to beef up the distribution system.1.3 GIS abet in accomplishing the above aims through assorted applications1. Creation of consumer database and consumer indexing index of all LT &038 A HT consumers, so as to segregate consumers feeder-wise and DT-wise. The consumers are mapped utilizing GIS engineering and identified based on their al matchless electrical reference, called Consumer Index bite ( CIN ) .2. Function of Sub-transmission and Electrical Distribution Network I t is every bit of import to hold all the 33 KV substations, 11 KV feeders, DTs and LT feeders digitally mapped and geo-referenced.3. Load Flow Studies Having completed the aforesaid undertakings, burden and consumer profiles can be studied and illations drawn for rectifying instabilities in the web.4. Load Prediction GIS has turn out itself an effectual tool in placing ideal location for proposed Sub-Stations, demand-side direction, Load prediction.1.4 fountain STUDYGIS has been used as a tool to transport out Consumer indexing and Load Flow Studies for Primary and Secondary distribution Network at Sihora township, near Jabalpur, under the Poorv Kshetra Vidyut Vitran Company ( MPPKVVCL ) and I was associated with this survey. Both these surveies were conducted at the same time. Basic aim was to update consumer informations and program overture in the Network and to make away with over-loading of transformers and feeders so as to accomplish an delightful electromotive force bun s profile i.e, to supply all L.T. &038 A H.T. Consumers electromotive force in the scope 6 % .Following stairss are covered in the typeface survey Field work for placing assets or GPS Survey.Transportation of GPS Co-ordinates to Lat-Lon Co-ordinates utilizing iilwis package.Downloading of field of forceer images utilizing Google ball pro.Alliance of spacial informations.Forming Database.Conducting Load Flow consider.Decision summarises the result of this survey.Chapter 2 LITERATURE REVIEW2.1 reexamination 1 Application of Geographic Information Systems and Global topographic pointing Systems in Human-centered Emergencies Lessons Learned, Programme Implications and Future Researchby Reinhard Kaiser Centers for Disease check into CDC and Prevention ( CDC ) , Paul B. Spiegel CDC, Alden K. Henderson CDC, Michael L. Gerber CDC ( Published by Blackwell Publishing, 9600 Garsington Road, Oxford OX4 2DQ, UK and 350 Main Street, Malden, MA 02148, USA ) .This paper discusses applicatio n of GIS &038 A GPS in human exigencies.2.2 freshen up 2International diary onNetwork Analysis in Geographic Information Science Review, Assessment, and Projections ( Cartography and Geographic Information Science, Vol. 34, No. 2, 2007, pp. 103-111 ) byKevin M. Curtin.This documents informs thatNetwork informations constructions were one of the early representations in geographic information systems ( GIS ) , and web analysis remains one of the most important and relentless research and application countries in geographic information scientific discipline.2.3 Review 3GIS AND NETWORK ANALYSIS( By Manfred M. Fischer incision of Economic Geography &038 A Geoinformatics Vienna University of Economics and bank line Administration Rossauer Lande 23/1 A-1090 Vienna, Austria ) .Writer has described that the information speculative accounts and design issues which are specifically oriented to GIS-T, and identified several betterments of the traditional web informations theoretical acc ount that are needed to back up advanced web analysis in a land tour context.2.4 Review 4Electrical Network Mapping and Consumer Indexing utilizing GIS( By S P S Raghav Chairman and Managing Director UPCL, Dehradun and Jayant K Sinha Dy General Manager ( IT ) UPCL, Dehradun ) .This paper analyzes the present power scenario and the function of GIS in spearheading the Distribution reforms processes to better the power industrys viability.2.5 Review 5GIS Based Power Distribution System A Case Study For The Bhopal City( Dr. Tripta Thakur, Dept. of Electrical Engineering, MANIT, Bhopal ) .Asset function utilizing GPS and high declaration remote olfactory property images has been reported in this paper utilizing Arc GIS 9.1software.Problem DefinitionThe easternmost DISCOM, at Jabalpur identified few townships as pilot undertakings for system betterment where the bing distribution web were- haphazard, shabbily constructed and expanded in an unplanned mode. AT &038 A C losingss were ext ortionately high runing between 50-60 % . With this in carriage, the GPS based information was opted to make reliable informations base and transport out the burden flow survey for the web at 11kv degree to obtain electromotive force profile within the prescribed bound of 6 % and besides to bum low electromotive force pockets.Aims of Thesis.Constitution of baseline informations.Renovation and modernisation of 33/11 &038 A 11/0.4 KV Sub-Stations.Decrease of AT &038 A C losingss.Improvement of Voltage Profiles.Commercial viability.Improved care Decrease of outages &038 A breaks.Increase consumer satisfaction by supplying good quality power supply.Chapter 3GEOGRAPHICAL POSITIONING SYSTEM ( GPS )GPS FactsDeveloped by Department of Defence as a military navigational tool.Systems birth was in the early 1970s24 Satellites revolving at high heights ( 11,000 stat mis ) First Satellite launched in 1978Became to the full operational in April 1995Useful dark &038 A twenty-four hours r ain down or radianceUse of wireless moving ridgesAccuracy depends on unit, some are correct to a centimeter.There are 3 orbits LEO ( vast Earth orbit ) , MEO ( average Earth orbit ) and GEO ( geostationary Earth orbit ) . The GPS system is located in GEO orbit.3.1 Geographic placement system ( GPS )GPS is a world-wide radio-navigation system formed from a configuration of 24 planets and their land Stationss. It uses these semisynthetic stars as mention points to cipher places straight to a affair of metres. These planets have maturefully accurate redstem storksbills on board. The orbiters continuously send wireless orients towards Earth. These wireless signals are picked up by GPS receiving systemsFigure 1GPS receiving systems have become in truth economical, doing the engineering accessible to virtually everyone. GPS provides uninterrupted 3-dimensional positioning 24 hours a twenty-four hours to the military and civilian users throughout the universe. These yearss GPS i s happening its manner into autos, boats, planes, make equipment, farm machinery, even laptop computing machines. It has a enormous sum of applications in GIS informations aggregation, surveying, and function. GPS is progressively used for precise placement of geospatial informations and the aggregation of informations in the field.Figure 2Figure 33.2 GPS Control StationsThere are five regard Stationss that monitor the orbiters. Control stations enable information on Earth to be hereditary to the orbiters ( updates and all right turning ) . Control Stationss continuously track orbiters, and update the places of each orbiter. Without control Stationss, the truth of the system would degrade in a affair of yearss.3.3 GPS Receivers GPS units are referred to as receivers . They receive information ( wireless signals ) from orbiters. The GPS receiving system is made of ternion parts I ) Satellites revolving the Earth two ) control and monitoring Stationss on Earth and three ) GPS r eceiving systems owned by users. GPS satellites send signals from infinite which are picked up and identified by GPS receiving systems. Each GPS receiving system so provides three dimensional location ( latitude, longitude, and height ) along with clip taken.3.4 Three sections of GPSThe situation sectionThe infinite section consists of 20 four orbiters circling the Earth at an height of 12,000 stat mis. High height allows the signals to cover a big country. The orbiters are arranged in their orbits such that a GPS receiving system on Earth can ever have a signal from at least(prenominal) four orbiters at any given clip. Each orbiter transmits low wireless signals with a alone codification on different frequences. The GPS receiving system identifies the signals. The chief intent of these coded signals is to let for appraisal of motivate clip from the orbiter to the GPS receiving system. The travel clip multiplied by the speed of light peers the remoteness from the orbiter to the GPS receiving system. Since these are low power signals and wont travel through solid objects, it is of import to hold a clear position of the sky.The Control section The control section tracks the orbiters and so provides them with corrected orbital and clip information. The control section consists of four remote-controlled control Stationss and one maestro control station. The four remote-controlled Stationss receive informations from the orbiters and so direct that information to the maestro control station where it is corrected and sent back to the GPS orbiters.The User sectionThe user section consists of the users and their Global positioning system receiving systems. Number of users can hold entree at any slight of clip.3.5 Working of GPSWhen a GPS receiving system is turned on, it foremost downloads orbit information of all the orbiters. This processes, the first clip, can take every bit long as 12.5 proceedingss, but one time this information is downloaded, it is stored i n the receiving systems retentivity for future usage. Even though the GPS receiving system knows the precise location of the orbiters in infinite, it still necessarily to cognize the distance from each orbiter it is having a signal from. That distance is calculated, by the receiving system, by multiplying the speed of the familial signal by the clip it takes the signal to make the receiving system. The receiving system already knows the speed, which is the pep pill of a wireless moving ridge or 186,000 stat mis per second ( the velocity of visible radiation ) . To find the clip portion of the expression, the receiving system matches the orbiters transmitted codification to its ain codification, and by comparing them find how some(prenominal) it needs to detain its codification to fit the orbiters code. This delayed clip is multiplied by the velocity of visible radiation to acquire the distance. The GPS receiving systems measure is less accurate than the atomic clock in the orbi ter, hence, each distance measuring mustiness be corrected to account for the GPS receiving systems internal clock mistake.Figure 33.6 GPS Terminology2D Positioning In footings of a GPS receiving system, this means that the receiving system is merely able to lock on to three orbiters which merely allows for a two dimensional place hole. Without an height, there may be a significant mistake in the horizontal co-ordinate.3D PlacementPosition computations in three dimensions. The GPS receiving system has locked on to 4 orbiters. This provides an height in a add-on to a horizontal co-ordinate, which means a much more accurate place hole.Real Time Differential GPS real time DGPS employs a 2nd, stationary GPS receiving system at a exactly measurable topographic point ( normally established through traditional study methods ) . This receiving system corrects any mistakes found in the GPS signals, including atmospheric deformation, orbital anomalousnesss, selective Availability ( when it existed ) , and other mistakes. A DGPS station is able to make this because its computing machine already knows its precise location, and can easy find the sum of mistake provided by the GPS signals. DGPS corrects or reduces the effects ofOrbital mistakesAtmospheric deformationSelective HandinessSatellite clock mistakesReceiver clock mistakesDGPS can non rectify for GPS receiving system noise in the users receiving system, multipath intervention, and user errors. In order for DGPS to work decently, both the users receiving system and the DGPS station receiving system must be accessing the same orbiter signals at the same clip.Figure 4