In the center of the figure, the transformer item 9 demarcates. Annexes annex 1 on trv annex 2 on new test procedure t100a annex 3 on transformer limited. You can validate the whole topology, validate the visible extent of your map, or drag a box around the area to validate. Accordingly there us no absolutely agreed upon definition of a gis demers, 1997. Abb gis, type elk14, 362kv with hmb mechanism initial purchase years 0 10 years 10 30 years 30 to 50. Quality awarded company with long term it strategy. Gis product portfolio and service capabilities there is a legacy of product leadership and many firsts in abbs gis history. Topology gis definition,meaning online encyclopedia.
Principles of geographic information systemsan introductory. Add the topology to arcmap and set its display properties. For example, the topology of an arc includes its from and tonodes, and its left and right polygons topology overlay the topology overlay dialog creates a results drawing from two. An overview of topology in arcgishelp arcgis for desktop. Abb high voltage service proudly supports the following brands with complete life cycle support services.
Hvdc hybrid circuit breaker topology switchgear content. Nevertheless, with the development of high voltage valves, it was possible to once again transmit dc power at high voltages and over long distances, giving rise to hvdc transmission systems. Comparison of gis and ais systems for urban supply networks. In a gis, spatial relationships among features are defined by topology in a geodatabase, you can choose whether to create topology for features. Worlds first nonsf6 gis installation with airplus uw oerlikon, ewz, switzerland energized in summer 2015 8 high voltage gis bays top 50 medium voltage gis bays bottom february 3, 2017 glk14 zx2 rated voltage 170 kv 24 kv rated current 1250 a 2500 a rated frequency 50 hz 50 hz rated shortcircuit current 40 ka 25 ka minimal. Topology from the greek, place, and, study is the mathematical study of the properties that are preserved through deformations, twistings, and stretchings of objects. The book is also made available as an electronic pdf document.
The postgis topology types and functions are used to manage topological objects such as faces, edges and nodes. Summary of impacts 2015 topology versus 2010 topology 5. Introduction to gis 2 introduction definition of gis like the field of geography, the term geographic information system gis is hard to define. Big data analytics in electric power distribution systems dr. Topology has long been a key gis requirement for data management and integrity. Standards related to highvoltage circuit breakers 9. Medium voltage ug lines device controller utility control center transmission substation fiber or other high speed link meter ieds, scada data low voltage analytics sensor low voltage lines. Our units are currently used in urban areas, closely builtup industrial areas, underground power substations of large commercial. This topology can be used for an output power capability up to 500w. Topology is the arrangement that defines how point, line, and polygon features share coincident geometry. Gis cim adapter implementation full export into cim file, esb usage of existing cim repository incremental export into cim file. These topologies could be the flying capacitor or the diode clamp topology. Topology is the field of mathematics that studies the relationships of elements in space. The auxiliary equipment is the lowvoltage part of the switchgear, which is used for the controlling and monitoring of the main components and is installed with the highvoltage part dispersedly.
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. Thats why siemens has spared no effort to make the advantages of gis available for hvdc transmission. Finally, development of highvoltage switching devices made it possible to safely connect. Nanpeng yu department of electrical and computer engineering wch 428. Before we jump head long into this discussion on spatial topology, let me start with a highlevel definition. The primary equipment is the highvoltage part of the switchgear, which is used for highvoltage insulation, currentcarrying, and openingclosing. Gis also offers operators of highvoltage supply systems reliable and flexible solutions in areas where load densities are high and substation sites have to be kept small.
While many distribution substation topologies exist, the radial bus configuration, or a variant of it, is the standard topology for most distribution substations. Topology is the science and mathematics of spatial relationships of vectors in gis. Topological vulnerability of the european power grid under. Incomplete topology information in the secondary systems phase connection. 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.
However, dc power at low voltage could not be transmitted over long distances, thus giving rise to high voltage alternating current ac electrical systems. Geospatial topology studies the rules concerning the relationships between the points, lines, and polygons that represent the features of a geographic region. Reliability of substation configurations daniel nack, iowa state university, 2005 introduction while one of the strongest points in a power system is the electric substation, it still contains what could be described as weak points or points of failure that would lead to loss of load. For a poster of the available topology rules and examples of them, see the arcgis geodatabase topology rules pdf. If your analysis will depend on accurately modeling spatial relationships, creating topology is essential. It represents the integration of many subject areas. For more than fifty years ucte has coordinated the international operation of high voltage.
Substations establish interconnection points within power systems, with the switching status of circuitbreakers defining the network topology, and transformers enabling connections between voltage levels. Create the topology using arccatalog or geoprocessing tools. Definition topology basically refers the relationship between things, and in the realm of gis, topology refers to the relationship between spatial features or objects. Use the editing environment to identify and fix errors. In 21, a hypothesis testing based technique to the topology identi. The conception of these relationships varies between raster and vector geographic information systems. Topology is defined through a set of rules that define how features may share a geographic space and a set of editing tools that work with features that share geometry. Abstract high voltage power supplies for radar applications.
Ssttaarrtt get user voltage data of ami record, set initial parameters get user voltage data of ami record, set initial parameters noise processing to obtain highdensity data set d. Several researchers have developed models to find the best topology for an optimal eds. As for the pushpull converter, t 1 and t 2 switches are alternately turned on during a time t on. As a result of the clustering process, feature vertices can potentially move more than the cluster tolerance in two ways. Gis cim adapter project case on going distribution comp. In gis, topology is a collection of rules that, coupled with a set of editing tools and techniques, enables the geospatial data to more accurately model geometric relationships. In this work, we propose a novel method for identifying the underlying network topology from smart meter energy. We present an analysis of the topological structure and static tolerance to. Li et al topology optimization of truncated cone insulator with graded permittivity using variable density method guanjun zhang m02 was born in shandong, china, in october 1970. Topology errors are violations of the rules that you can easily find and manage using the editing tools found in arcmap. Fmgisplus provides an application module for geographical information systems, specially designed for highvoltage networks. System gisbased and powerrelated comparison level is introduced.
Comparison of high voltage dc power supply topologies for pulsed load applications n. Sandro santillis presentation at postgis day paris 2011 conference gives a good synopsis of postgis topology and where it is headed topology with postgis 2. Paper open access topology verification of low voltage. Iec 62271203 high voltage switchgear and controlgear part 203. Particular phenomena that are typical for gasinsulated dc switchgear and have impeded the use of gis in dc.
Identifying topology of power distribution networks based. Nevertheless, the topology alone does not respond to the needs in matter of defining specific rules for every facility network. However, this topology requires driving a high side switch. Pdf the creation of realistic models of low voltage lv distribution feeders is.
Topology exploration and prototype for high voltage, low. The improved kmeans clustering algorithm is applied to the topology verification of lowvoltage distribution network. The auxiliary branches include a capacitor c, a resistor r, a fast mechanical switch s3, two inductors l1 and l2, and five thyristors t1a, t1b, t2a, t2b, and t3. Objects can be manipulated by stretching or compressing the shapes components, but the tearing of or addition to its structure will break topology. Comparison of high voltage dc power supply topologies for. Gasinsulated metalenclosed switchgear for rated voltages above 52 kv 092011 orequired leakage rate high inrush current produces a large arc and the melting of contact material 2 the contacts are pressed together with high force and. Devices with null or duplicate ids switches especially 5. High voltage direct current hvdctransmission systems. Figure 5 topology of the gis variant with injection points 5 close to the load centers distribution voltage 20 kv secondly, it reduces the required power transmission capability of the mv network, allowing an additional saving due to the smaller mv cable crosssections required.
The topology of a map is the set of relationships that describe the relative position of its components 2. The topologic model is often confusing to initial users of gis. A highperformance distribution substation bus topology. April 2010 oracle spatial user conference gis integration process. A broadly accepted definition of gis is the one provided by the. Urban supply systems combining gis technology and hv cable are safe, reliable and environmentally benign. In order to avoid cumbersome manual validations, an automated method. Gis data assessment for dms and smart grid implementation. Dc voltage that can be as high as 400 v or even 800 v in recent or future systems.
Gis functionalities and tools give the possibility of defining the topology of vector data. 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. Pdf topology optimization of truncated cone insulator. Electrical bus system and electrical substation layout. Topology exploration and prototype for high voltage, low power, isolated dcdc converter multiplication of high voltage dc buses due to electric car multiplication, aircraft electrification, etc. The topology optimization rules are presented for the tco method, and the layering optimization rules are presented for the lco method. Hvdc high voltage direct current highvoltage power. Best solution for urban supply networks ais or gis systems. For example, if you are modeling a wastewater network, all the features must be connected or the results of any.
Topology rules allow you to define the spatial relationships that meet the needs of your data model. Pdf this paper demonstrates the capabilities of geographic. Automatic generation algorithm of distribution network topology. Geographical information system for highvoltage networks. This is fundamental to many gis operations and concepts. Topology information about an objects relationship to its neighboring objects. The goal of this part of the book is to teach the language of mathematics. Topology is a mathematical approach that allows us to structure data based on the principles of feature adjacency and feature connectivity.
In general, a topological data model manages spatial relationships by representing spatial objects point, line, and area features as an underlying graph of topological primitivesnodes, faces, and edges. There are four basic spatial relationships that can be maintained with vector features, i will elaborate on these shortly. Big data analytics in electric power distribution systems. A highvoltage steel tower is analyzed as a numerical example to illustrate the performance of the proposed methods. Pdf living near highvoltage power lines%3a gisbased.
Requires good high voltage vacuum interrupter design. These high voltage demands could also be met by connecting converters in series or to make use of one of the multilevel topologies 2, 3. High voltage direct current hybrid circuit breaker composed of a main branch, an energy absorbing branch, and auxiliary branches. The capacitors in series across the supply fix a midpoint so that switches withstand only once the input voltage v in. Siemens global references of highvoltage substations. The spatial relationships between connecting or adjacent coverage features e. A circle is topologically equivalent to an ellipse into which it can be deformed by stretching and a sphere is equivalent to an ellipsoid.