The arcgis network analyst extension allows you to solve common network problems, such as finding the best route across a city, finding the closest emergency vehicle or facility, identifying a service area around a location, servicing a set of orders with a fleet of vehicles, or choosing the best facilities to open or close route. In esri network analyst network datasets are used for all network analysis. Optimum routing of distribution system network using gis and. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Pioneer and technology leader driving gis innovations. This dataset is put together by kth division of energy systems analysis. Stability of any power system network is determined mainly by the high voltage equipment used. A network analyzer decodes,or dissects,the data packets of common protocols and displays the network traf. A network analysis layer stores the inputs, properties, and results of a network analysis. Network analysis is a set of analysis techniques used with networks network analyst is the esri extension that performs network analysis in arcmap network analyst uses network datasets types of analysis. While at the transformer terminals, the overvoltage reaches a high value, which can be as high as 2. Network analyst can find the best way to get from one. Unesco eolss sample chapters electrical engineering vol.
What is the impact of an object flowing through the network. Graph theory describes, measures, and compares graphs or networks. This paper presents our experiences of using thermal network analysis in the design and development of medium voltage switchgears. In network analysis cost can be associated with time or distance, but it. Geojson shp zip pdf subsaharan africa electricity transmission network. The simulation result is compared to the measurement. There are many techniques for calculating these values. In urban areas, supply has usually been unable to keep pace with increasing demand, the only possibility is often to reorganize the current supply configuration in order to use existing resources efficiently. With the advancement of geographic information system technology and the availability of high quality network data, application of network analysis within a gis environment has become a common practice for many. Hvdc high voltage direct current highvoltage power. Gasinsulated highvoltage switchgear gis is a compact metal encapsulated switchgear consisting of highvoltage components such as circuitbreakers and disconnectors, which can be safely operated in confined spaces. Route service areas closest facility origindestination cost matrix. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Overvoltage transient analysis of vacuum circuit breaker.
The transmission line routing is highly complex, and people are concerned about health issues due to the electric and magnetic fields, especially from high voltage transmission lines. Second, the una toolbox introduces a weighted representation of spatial network elements. Taking a gis with a rated current of 2500a, a single. Network analysis encyclopedia of life support systems. Substations are important network nodes that must provide high availability. A network dataset is capable of modeling a single mode of transportation, like roads, or a multimodal network made up of several transportation modes like roads, railroads, and waterways. Network analysis is the process of capturing network traf. However, for the most part, the techniques assume linear components. The features and records inside the network analysis classes are referred to as network analysis objects. This involves finding the shortest or leastcost manner in which to visit a location or a set of locations in a network. Working with network datasets and performing analyses on them requires the arcgis network analyst extension. Generally speaking, network analysis is any structured technique used to mathematically analyze a circuit a network of interconnected components. Peter glaubitz energy sector power transmission high voltage substations dn2 high voltage gis type testing on sf. Network data structures must store the edge and vertex features that populate these.
Utility network for electric what value does it provide. Gis based electrical system planning and network analysis idosi. The gis record details the network connectivity, the length of each section of conductor, the conductor sizes, location of zone and distribution substations, location of high voltage switches and links, reclosers and regulators. A new period of higher significance has arrived for. However, gis users networks still can play an active role for data sharing and. Lightning analysis in a highvoltage transmission environment lightning is a leading cause of outages on power utility transmission and distribution systems and the single largest cause of power outages in many lightningprone regions in the world. Lightning analysis in a highvoltage transmission environment.
Network analyst network analysis is a set of analysis techni ques used with networks network analyst is the esri ext ens ion that performs network analysis in arcmap network analyst uses network datasets types of analysis. Use arccatalog to create and build a network dataset from feature classes stored within a geodatabase. Pdf the distributions of electrical energy to end users in most urban. The arcgis network analyst extension allows you to build a network dataset and perform analyses on a network dataset. Highvoltage transformer substations congressional research service 1 introduction1 the electric utility industry operates as an integrated system of generation, transmission, and distribution facilities to deliver electric power. Networks can be directed and undirected planer and nonplanner. Is it required to support other systems engineering analysis, oms, etc. It contains an inmemory workspace with network analysis classes for each type of input, as well as for the results. Electricity transmission and distribution datasets energydata.
Any network consists of a set of connected vertices and edges. A geographic information system gis is a digital computer application designed for the capture, storage, manipulation, analysis and display of geographic information. High spatial resolution satellite image was acquired and integrated. Pdf gis spatial analysis applied to electric line routing. Gis spatial analysis applied to electric line routing optimization. A thermal network model is created for a fourpanel temperature. Should the analyst wish to compute the graph centrality measures for nodes of the network instead of buildings, then the nodes themselves can be used as inputs instead of buildings. This enables analysts to evaluate and understand the impacts of the multitude of variables affecting voltage.
High voltage or hv switchgear handles electrical supplies with voltage above 36 kv and therefore are largely connected over heavy transmission lines. Introduction of indoor switchgear advantages and limitations of indoor switchgear. Network data sets are among the most common in gisci and include transportation networks e. It has an added capability to analyze spatial data, through attribute and location analysis or. The datasets are sourced from the ugandan energy sector gis working group. Vacuum interrupters design applications and limitations. Both geographic information systems gis and network analysis are burgeoning fields, characterised by rapid methodological and scientific advances in recent years. The cost in a network analysis is frequently distance or travel time. Network analysis is the process of finding the voltages across, and the currents through, all network components. Arcgis for utility network management for electric esri. Global warming impact, which is mostly due, here again, to the energy losses within the network. Gis environment hosts a wealth of presentation extrapolation of the results of the analysis of a sample low techniques that enable fast and accurate interpretation of voltage 0. Example lv network gis topological visualisation fig.
Network analysis textbook pdf free download askvenkat books. Geographical information system for highvoltage networks network management and the planning of network expansion for overhead highvoltage power lines and cables require extensive planning documents. Network analysis textbook pdf free download two circuits are said to be comparable as for a couple of terminals if the voltage over the terminals and current through the terminals for one system have the same relationship as the voltage and current at the terminals of the other system. The projected service life of gasinsulated switchgear gis is 35 50 years, during which its insulation system. Geographical information system for highvoltage networks. Residual life concepts applied to hv sf6gas insulated. Network analysis network analysis is used for identifying the most efficient routes or paths for allocation of services. Route service areas closest facilityorigindestnati on ci ost matrxivehicle routinglocation allocation. Gis is used in transmission line routing as a technical tool.
Fmgisplus provides an application module for geographical information systems, specially designed for highvoltage networks. Chan encyclopedia of life support systems eolss remote control facilities to enhance the security of supply. Gisbased network analysis, besides topological information, can incorporate a great amount of contextual information related to socioeconomic data and the use of space, taking into account also. Ppt network analysis in gis environment powerpoint. In the exercises in this tutorial, you will do the following. The resulted overvoltage at the circuit breaker contacts can be as high as 3. Overhead three phase medium voltage can only connect to. This technical analysis was carried out by abb to show that for urban supply networks the combination of hv gas insulated switchgear gis due to their compactness and flexibility and hv cable has important advantages over systems with air insulated switchgear ais and overhead lines. Best solution for urban supply networks ais or gis systems. Network analysis in gis is based on the mathematical subdisciplines of graph theory and topology.
Failure of this equipment is normally related to partial discharge pd activity which deteriorates the. By the end of 2016, almost 50% of the residential customers in the u. Basic policy and procedure concerning the use of network analysis are contained in the ost current edition of er l. Siemens high voltage direct current systems hvdc provide the most efficient way of energy transmission over long distances and to support the improvement of the grid stability. Review on partial discharge detection techniques related. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Network analysis tools centers for disease control and. Rules if no rules defined, anything can connect coincident if one rule is defined, then only features that have a rule that allows connection can connect. Techniques related to high voltage power equipment using different sensors, photonic sensors, 2014, 44. Arc flash analysis extends well beyond the scope of ieee 1584 and nfpa 70e methodology for transmission, distribution, industrial and renewable energy systems.
Tse encyclopedia of life support systems eolss the permeability of the material of torus and r is the radius of the torus. Row of highvoltage circuit breakers with internal sf 6 gas clear that in such networks, the switchgear insulation and connections to the bus air insulated with large represents less than 10% of the total networks energy losses on the buses. Land suitability location analysis for housing development. Cost is a measure of the relationships between nodes. A network, in the context of electrical engineering and electronics, is a collection of interconnected components. Network analysis scheduling systems encountered in the field will fall in either of the two diagraming techniques described herein. Low voltage network solutions closedown reportjune 2014 page 2 of 75 contents 1 executive summary 4 1. Big data analytics in electric power distribution systems.
196 1184 1262 502 1023 261 1207 1250 525 1240 775 1635 999 951 384 1349 1076 242 776 549 844 1331 1312 607 1381 1238 923 944 349 1201 698 553 903 203 287 463