During the process of digitizing of the raster data. Introduction to digitizing download the pdf version of the following pages here. Online partial discharge monitoring system and data. Map digitizing is a process of analysis an old map by connecting coordinate system. Because part of the road has already been created, you should use snapping to help ensure the new road feature connects to the existing roads. Qgis has powerful onscreen digitizing and editing capabilities that we. Gis data geographic information systems uses, advantages and disadvantages by heba soffar published february 6, 2017 updated september 17, 2019 a geographic information system is commonly referred to as a gis, it is an integrated set of hardware and software tools used to manipulate and manage the digital spatial geographic and. Map digitizing objectives introduction to digitizing.
Digitizing is the process by which coordinates from a map, image, or other sources of data are converted into a digital format in a gis. The basics of gis technology is more or less the same, but everything else under the hood is improved a lot comparing to just a few years ago. Often a large amount of gis time is spent in digitizing raster data to create vector layers that you use in your analysis. We believe that although many gis manufacturers produce a product similar to ours, it is our ability of giving you a high quality system at a reasonable price that sets us apart. About digitizing with snapping in the first exercise, you digitized a point over an aerial photograph. Digitizing is the process of converting geographic features on a paper map into digital format. Modular substation technical data 10 tgqdmk000410 sn items unit data note 1 rated voltage kv 145 2 rated current. This is an area near stillwater, minnesota, with a. In the first exercise, you digitized a point over an aerial photograph. Digitizing in gis is the process of tracing, in a geographically correct way, information from imagesmaps. Creating a new shapefile and digitizing basics in arcmap. Series l for medium voltage applications designed as a simple and robust system for the demands of test bays for large numbers of specimens, with easy operation series m for higher medium voltage and high voltage applications designed as an effective solution for routine and type test bays. Gis data geographic information systems uses, advantages. Introduction to gis lab 3, digitizing 2 digitizing select the add raster layer button.
In the create new shapefile dialog, choose a file name, the type of file point, line or polygon. Failure reporting form gasinsulated switchgear and. Purpose share status on replacement of sf6 with environmentally friendly insulating gas for high voltage gis and breakers. Ge portfolio for gas insulated high voltage switchgear includes several flexible and modular models from 72kv to 800kv.
Digitizing is one of the most common tasks that a gis specialist has to do. We offer a highly reliable, compact gis that lowers installation space and reduces maintenance requirements. Arcgis can digitize or trace features without mouse or puckclicking using several options. Many utilities basically digitize base map planimetric features in gis. Cartographic drawing for the purposes of the gis application. Set up the digitizer with digitizing software or gis software. In a gis analysis, geophysical images are often treated as a type of evidence map, the same as other thematic maps such as mineral point, geologic, and structure maps. During the digitzing process, features from the traced map or image are captured as coordinates in either point, line, or polygon format.
For a vectorbased gis operation, gis analysts usually create polygons by headsup digitizing on raster images and adding attributes e. Sf6 free hv gis and breakers thomas rak manager of substation and tline standards engineering january 2017 1. Maps and gis digitization procedures guideline digital taiwan. A digitized map can express more information than old one. Gis solutions for power generation and transmission services. One way you can do to georeference is to find a known georeferenced of a polygon of that area. Higher ratings for a singlebreak gis circuit breaker 420 kv 63 ka with standard design of spring operated mechanism, 550 kv 63 ka with hydraulic mechanism. Open your map and adjust the field of view in arcgis to your printed map. Digitizing primary equipment by replacing laborintensive. Pdf this paper demonstrates the capabilities of geographic.
A gas insulated substation gis is a high voltage substation in which the major structures are contained in a sealed environment with sulfur hexafluoride gas as the insulating medium. From there into map for rubbersheeting georeferencing. Digital substations digitizing grid infrastructure. Ac highvoltage circuit breakers everything you wanted to know about ac high. The 345 kv voltage level is treated as 362 kv and is nolonger advocated by standards. You can make new file geodatabases by right clicking on a folder. Due to their small installation space requirement and lownoise, lowelectromagnetic radiation properties, our high voltage circuit breakers. Specifications of 126kv and 145kv gis gas insulated switchgear 72. Web based gis, bosphorus, georeferencing, dtm, digitizing. Set the text symbol to a larger font size so you can see the labels easily. This process becomes necessary when available data is gathered in formats that cannot be immediately integrated with other gis data. The second chapter discusses, inter alia, costbenefit analysis of an investment in digital cartography and gis, plans for census cartographic process, digital map database development, quality assurance, database maintenance, and use of gis during census enumeration. For this task qgis provides many tools for efficient digitization.
The process of georeferencing relies on the coordination of points on the scanned image data to be georeferenced with points on a geographically referenced data data to which the image will be georeferenced. Gis highvoltage gas insulated switchgear substations. A digital map is generally of much greater value than the same map printed on a paper as the. High voltage gis equipment 8 12 months medium voltage gis 8 10 months.
I am sure there are ways you can do that in open source gis software that you might find out there. Pdf living near highvoltage power lines%3a gisbased. This high resolution high voltage grid map based on machine learning dataset was. An image should be displayed, similar to that shown below. What are the following two digitizing errors called, and what tool in arctoolbox corrects them. The high voltage hv points in regulations start at ratings above 52 kv in both iec and ieee regulations. Lines are operated at relatively high voltages varying from 69 kv up to 765 kv, and are capable of transmitting large quantities of electricity over long distances. The x, y coordinates of point, line and polygon features are recorded and stored as the spatial data. Geographical information systems gis introduction geographical information system gis is a technology that provides the means to collect and use geographic data to assist in the development of agriculture.
Organization and establishment of a geographic information systemof the production and high voltage electrical 68 figure 3. Gasinsulated switchgear and circuit breaker operating mechanism basic information component data name of installation. To digitize a map, you use a digitizing tablet also known as a digitizer connected to your computer to trace over the features that interest you. Gis at scholarly commons provide gis research services and consultation provide gis workshops and training manage the university library s geospatial data and gis software resources act as a central resource for the universitys gis community and promote the use of gis in research 3. Below this voltage, the devices are treated as medium voltage mv. Digitization is a process of converting raster data to vector data. Another design is the sf6 insulated metalenclosed switchgear, where the sf6 gas provide the main insulation of the equipment.
Digitize or create lines and polygons without clicking at every vertex summary. In the create new shapefile dialog, choose a file name, the type of file point, line or polygon, and choose a projection by clicking the edit button. Gis solutions for power generation and transmission services esri. If your pdf is of vector variety you can use pdf2cad fairly cheap to convert it directly to dxf. Geographic information systems, beijing electronic industrial press, july 2002, pages 1112. Introduction to gis geographic information systems duration. Developed project time table expected service date. Modern, state of the art, high voltage and extra high voltage switching devices e. For manual onscreen digitizing of aerial photographs, higher. Service high voltage products brown boveri strasse 5 8050 zurich switzerland. Gasinsulated switchgear gis is a piece of high voltage equipment that is being constantly developed day by day. Designed with lightweight, durable aluminum enclosures, total load on the foundation and building floors is. Gis can be considered a new medium for map information, and has the functions of space information.
Gasinsulated metalenclosed switchgear for rated voltages above 52 kv 092011. And then many times headsup digitizing digitize while watching the screen. Siemens gis, cable bay with double busbar system including 2 bb ds, 1 line ds, 1 cb, 3 es page 9. Heads up digitizing is the method of tracing geographic features from another dataset usually an aerial or satellite image. Click the map again to start digitizing another feature. Xdge provides gas insulated switchgear gis solutions for high to ultra. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them. To complete one part of digitizing a feature, rightclick finish part. The fourth level range the lets in 362 kv and 420 kv voltages with the same gis type. Online partial discharge monitoring system and data processing using wtstnst filter for high voltage power cable hui wang1, chengjun huang1, li zhang2, yong qian1, junhua liu1, linpeng yao1, canxin guo1, xiuchen jiang1 1department of electrical engineering, 2 department of production and technology. Tracing can be done by tracing directly over an existing feature or at an offset value.
Because part of the road has already been created, you should use snapping to help ensure the new road feature connects to. Three phase encapsulated type sf6 gas insulated switchgear type sdf for 170 kv 06b1e0001 gate city ohsaki, east tower, 112, osaki 1chome, shinagawaku, tokyo 1410032, japan. Using the latest facilities and production systems in line withthe latest international standards, we have the capacity to produce gas insulated switchgear up to 800 kv, the maximum rated voltage in korea. You could export the pdf image to tiff by going to the pdf s file menu then scroll down to export image. The feature attributes are also recorded during the digitizing process. Hv gis technical data sn items unit data note i gis common parameter.
Handbook on geographic information systems and digital. Put the scanned file of your map in the folder with your map. Substation design references ansi c37 series protection and control equipment. Iec 62271203 high voltage switchgear and controlgear part 203. Transmission lines are the system of structures, wires, insulators and associated hardware that carry electric energy from one point to another in an electric power system. September 12, 2009 by caitlin dempsey gis learning.
Xdge provides gas insulated switchgear gis solutions for high to ultra highvoltage power transmission and distribution networks. Digitizing in gis is the process of converting geographic data either from a hardcopy or a scanned image into vector data by tracing the features. Tracing is used to create a new feature which follow the shape of an existing feature. Gis technology originated in japan, where there was a substantial need to develop technology to make substations as compact as possible.
The next level range covers 245 kv and 300 kv with one gis type. Digitising a map in arcgis desktop 10 university of otago. Digitizing is the process of converting features on a paper map into digital format. Pdf with the advancement of gis technology, electricity asset. Major components you can spot while looking at hvehv gis. Digitization is one of the important tasks for a gis specialist. Our units are currently used in urban areas, closely builtup industrial areas, underground power substations of large commercial. This was digitized into polygons using the geoprocessing ability of arcmaparcinfo. This data is based on a digitized pdf map, and so is intended as a. Open your scanned map file in a photo viewer we are going to georeference this with respect to your base map 3. For the example given, there are 62 segments in the acquired sequence, with a 100.
Gis solutions for power generation and transmission services balancing the need to develop new markets, improve system reliability, and reduce operation costs is the greatest challenge for todays utility decision makersa challenge that is successfully met with esri s geographic information system gis. The coordinate system depends on what the image or pdf. Introduction to digitizing digitizing is the process of converting geographic features on a paper map into digital format. Principles of geographic information systemsan introductory. For less accurate data, the value can be as high as.
The common gis high voltage ratings can be classified into four design parts or device types for any producers, even if the split may differ somewhat. We offer a highly reliable, compact gis that lowers installation space. Highvolt offers three series of impulse test systems. Handbook on geographic information systems and digital mapping. Digitization in qgis exploring tools for digitizing. Searching for information on maps is inconvenient and has large error. Question asked by vadrosaul on jan 21, 2017 latest reply on jan 21, 2017 by jayanta. Turn off boundaries and places to speed up draw time.
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