EP1371123A2 - Procede assiste par ordinateur de projection d'un systeme de lignes electriques - Google Patents

Procede assiste par ordinateur de projection d'un systeme de lignes electriques

Info

Publication number
EP1371123A2
EP1371123A2 EP02721995A EP02721995A EP1371123A2 EP 1371123 A2 EP1371123 A2 EP 1371123A2 EP 02721995 A EP02721995 A EP 02721995A EP 02721995 A EP02721995 A EP 02721995A EP 1371123 A2 EP1371123 A2 EP 1371123A2
Authority
EP
European Patent Office
Prior art keywords
computer
feed
line system
user
point
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP02721995A
Other languages
German (de)
English (en)
Inventor
Toni Kress
André Turnaus
Dieter Walter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP1371123A2 publication Critical patent/EP1371123A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for AC mains or AC distribution networks
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2103/00—Details of circuit arrangements for mains or AC distribution networks
    • H02J2103/30—Simulating, planning, modelling, reliability check or computer assisted design [CAD] of electric power networks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/20—Information technology specific aspects, e.g. CAD, simulation, modelling, system security

Definitions

  • the present invention relates to a computer-aided method for configuring a line system, by means of which at least two electrical consumers should be able to be supplied with low voltage from at least one feed module, wherein a topology of the line system is input to a computer,
  • the line system according to the topology has an individual section per consumer, via which only this consumer should be able to be supplied with electrical energy,
  • the line system has connecting sections via which the individual sections are to be connected to one another and via which at least two of the consumers are to be able to be supplied with electrical energy.
  • a collection section of the pipeline system therefore leads from the feed module, via which a network, which may be even more branched, is led to the individual consumers.
  • the collecting section carries the total current of the switched consumers. Further sections branch off to the individual consumers, hereinafter referred to as individual or end sections, which carry the current for only this one consumer.
  • the object of the present invention is a
  • the object is achieved by the computer determining a number of feed points at which the feed module is to be connected to the line system, - that the computer determines a value measure for the line system for each feed-in point in accordance with at least one technical criterion and
  • That the value measure is output to a user as a function of the feed point.
  • the value measures are also output by the computer using the output device and the respective value measures are assigned locally to the corresponding feed points during output, good feed points are particularly easy for the user to see.
  • a final entry point is determined.
  • the final infeed point can either be determined automatically by the computer or it can be specified by the user. In the latter case, the specification is particularly convenient if the computer suggests one of the entry points to the user as the final entry point and the computer accepts this entry point as the final entry point if the user inputs a confirmation.
  • the sections of the piping system can e.g. B. dimensioned according to at least one dimensioning criterion and the value measure can be determined based on the dimensioning. If the value is determined on the basis of the sum of the section lengths weighted with the cross-section of the cable cores in the sections, the choice of an optimal or almost optimal feed point results in minimal material consumption.
  • the value measure can be determined based on the dimensioning. If the value is determined on the basis of the sum of the section lengths weighted with the cross-section of the cable cores in the sections, the choice of an optimal or almost optimal feed point results in minimal material consumption.
  • other technical criteria are also conceivable. For example, the lower the maximum voltage drop or the more uniform the current distribution, the higher the value measure.
  • cross-sections of the cable cores are limited to a maximum cross-section and feed points are marked as inadmissible, if the dimensioning criterion is not met when the feed module is connected to these feed points, even if the sections are dimensioned to the maximum, inadmissible in-feed points can be recognized immediately as such.
  • the accuracy of the value measure determination can be determined in advance.
  • the grid dimension is an integral multiple of a basic dimension and the final entry point lies on the basic dimension, it is guaranteed that the final entry point can be placed on one of the entry points.
  • Finding a good feed point is even more reliable if at least one feed point is arranged in each connection section regardless of the grid size.
  • the required computing time may be kept within limits, in spite of long sections. If the computer specifies in which part of the line system the feed points are to be arranged, the user can, for example, specify a relatively coarse grid dimension in a first step, then select the area in which the value takes high values, and finally with a finer, possibly even considerably finer, grid dimension, a further value measurement can be carried out.
  • the method works particularly flexibly.
  • the method can be used in a particularly versatile manner.
  • the line systems also have at least one of the consumers in common.
  • the switching and protection module is a consumer of an auxiliary line system.
  • the main line system is usually with single-phase AC voltage of z. B. 230 volts or three-phase alternating voltage of z. B. operated at 400 volts.
  • the auxiliary line systems are usually either with DC voltage of z. B. 24 volts or with single-phase alternating voltage of z. B. operated 230 volts.
  • FIG. 6 shows a modification of FIG. 4.
  • five main consumers 1 to 5 are to be supplied with electrical energy from at least - here exactly - one feed module 6.
  • a switching and protection module 7 to 11 is arranged upstream of each of the main consumers 1 to 5. Consumers 1 through 5 are usually, but not necessarily, motors.
  • the switching and protection modules 7 to 11 generally consist of a contactor, which is preceded by a circuit breaker.
  • a main line system is provided to supply main consumers 1 to 5 with electrical energy.
  • the main consumers 1 to 5 are supplied with a main low voltage via this.
  • the main low voltage is a voltage below 1 kV, e.g. B. a three-phase AC voltage with a nominal voltage of z. B. 400 volts.
  • the main line system is typically five-wire (3 phases, neutral, earth).
  • the main low-voltage system has a main collecting section 12, main connecting sections 13 to 17 and main end sections 18 to 27. Visible are the switching and Schu 'tzbausteine 7 to 11 the Hauptverbrau- ehern 1 to 5 arranged upstream.
  • the switching and protection modules 7 to 11 are auxiliary consumers that are supplied with electrical energy via auxiliary line systems.
  • the auxiliary line systems have the same basic structure as the main line system.
  • the switching and protection module 7 is not supplied with electrical energy via these two auxiliary line systems, but in some other way.
  • other components 28, 29, which are not looped into the main line system are connected to one or both of the auxiliary line systems.
  • the other components 28, 29 can e.g. B. Actuators or sensors.
  • the auxiliary consumers 8 to 11, 28, 29 can also be connected to one or both of the auxiliary line systems.
  • the auxiliary line systems generally have a lower voltage than the main line system.
  • Typical voltage values are a single-phase AC voltage of e.g. B. 230 volts or a DC voltage of z. B. 24 volts. In both cases, the auxiliary line systems can have two wires.
  • the line systems thus have the feed module 6 in common. Furthermore, the auxiliary line systems according to FIG. 2 have common consumers 8, 10, 29. The consumers 8 to 11 of the auxiliary line systems are also switching and protective components 8 to 11 of the main line system, which is shown in FIG.
  • the method according to the invention runs on a computer in a program-controlled manner, e.g. B. a PC.
  • this has the usual components.
  • These are a computer core 30, input devices 31, 32 (typically a keyboard 31 and a mouse 32), output devices 33, 34 (typically a monitor 33 and a printer 34) and, if appropriate, an interface 35 to a computer network 36, e.g. , B. the Internet.
  • the method 37 By processing a program 37, by means of which the method according to the invention is implemented, the communicates Computer with a user 38. He also accesses a file 39 which, for. B. is an ASCII file. It contains a topology of the line systems and specifications of sections 12 to 27 of the line systems as well as specifications of elements 1 to 11, 28, 29. It is both readable and writable.
  • topologies of the line systems are first entered in a step 51 and graphically displayed on the monitor 33 — optionally individually or in different windows or superimposed.
  • the loads 1 to 5, the switching and protection modules 7 to 11 and the further loads 28, 29 are then specified in a step 52.
  • the food module 6 is also specified in step 52.
  • the specification of the main or auxiliary consumers 1 to 5, 7 to 11, 28, 29 and the feed module 6 implicitly specifies the operating voltages with which the line systems are to be operated in practice, and with which voltages they are used as part of the process operated.
  • a basic dimension and a grid dimension are then entered interactively in a step 53.
  • the grid dimension must be an integer multiple of the basic dimension.
  • an interactive query is made as to whether the computer should automatically determine a final feed point 40.
  • the computer now determines feed points 40 in accordance with a step 55. Immediately adjacent feed points 40 are generally spaced apart from one another by the grid dimension. If, however, it would happen due to the grid dimension that in one of the connecting sections 13 to 17 not a single input feed point 40 would be arranged, a feed point 40 is exceptionally arranged in this section, falling below the grid size. Furthermore, a predetermined number (for example 10) of feed points 40 per connection section 13 to 17 is not exceeded.
  • a value 56 for the line system is then determined by the computer in a step 56 according to a technical criterion. It is assumed that the feed module 6 is connected to the line system at the respective feed point 40. In doing so - this is described in detail in the above-mentioned patent application "Computer-aided test method for a line system" - the sections 12 to 27 of the line system are first dimensioned according to at least one dimensioning criterion. Then in step 56 the cross-section of the cable wires in FIG weighted sum of the section lengths in sections 12 to 27. The value measure is then determined on the basis of this sum. For example, the value measure can be equal to the reciprocal of the sum. In the present case, the value measure is thus determined on the basis of the dimensioning.
  • the determined measures of value are also output by the computer via the monitor 33 in a step 57.
  • the output is in addition to the display of the topology of the pipe system.
  • the value measures according to FIG. 1 are shown directly above the respective feed points 40 in the form of vertical lines. The line lengths are proportional to the value measure.
  • the value measure is thus output as a function of the feed point 40 to the user 38 of the configuration tool 37.
  • the respective value measures are locally assigned to the corresponding feed points 40 when they are output.
  • the value measures have different values.
  • the computer therefore determines the largest or optimal value measure. This measure of value is visually highlighted during output. According to FIG. 1, this is done by showing an arrow 41.
  • Other displays e.g. B. by a colored marking or by flashing, possible.
  • a query is now made in a step 58 as to whether the user 38 in step 54 had requested the computer to automatically determine the final feed point. If so, in a step 59 the computer adopts the entry point 40, which has reached the optimum value, as the final entry point 40. Otherwise, the final entry point 40 is given to the computer by the user 38.
  • the computer first suggests to the user 38 one of the feed points 40, preferably the feed point 40 previously determined as optimal, as the final feed point 40.
  • a query is then made in a step 61 as to whether the user 38 confirms this suggestion or not. If the user 38 confirms the suggestion, the suggestion is accepted in a step 62. Otherwise, in a step 63, the user 38 queries a position for the final feed point 40.
  • the final feed point 40 must lie on the basic dimension.
  • a step 64 is carried out.
  • the sections of the line system are dimensioned again according to the dimensioning criterion.
  • the procedure is the same as before in step 56.
  • the topology determined in this way and its dimensioning can then, for. B. printed on the printer 34 or stored in the file 39.
  • step 65 shows a modification of the method according to FIGS. 4 and 5. According to FIG. 6, steps 65 and 66 are inserted between steps 53 and 54. In step 65
  • step 66 it can be entered in which part of the line system the feed points 40 are to be arranged. As a result, the computing effort can be limited by the user 38 from the outset.
  • the method described above in connection with the main line system can also be carried out in an analogous manner - with correspondingly adapted technical and dimensioning criteria - for the auxiliary line systems.
  • the value measures for the auxiliary line systems are also preferably shown in the representation of the main line system and its value measure. This is symbolized in FIG. 1 by further bars 42, 43. It is particularly useful to show all the values together because the line systems can have different consumers 1 to 5, 7 to 11, 28, 29 and thus different load structures. In particular, the impermissible areas for the arrangement of the feed point 40 can differ significantly from one another. With simultaneous display of all value measures However, it is easily possible to place the final feed point 40 in such a way that a permissible dimensioning can be achieved for all line systems.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

Selon l'invention, une topologie d'un système de lignes électriques de type bus ou réseau, par l'intermédiaire duquel plusieurs consommateurs électriques (1 - 5) doivent pouvoir être alimentés en basse tension à partir d'un bloc d'alimentation (6), est introduite dans un ordinateur. Pour plusieurs points d'alimentation (40), une mesure de valeur est déterminée pour le système de lignes électriques en fonction d'au moins un critère technique, puis transmise à un utilisateur (38) comme fonction du point d'alimentation (40). On suppose alors que le bloc d'alimentation (6) est raccordé au système de lignes électriques au niveau du point d'alimentation (40) correspondant.
EP02721995A 2001-03-20 2002-03-07 Procede assiste par ordinateur de projection d'un systeme de lignes electriques Withdrawn EP1371123A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10113565A DE10113565C1 (de) 2001-03-20 2001-03-20 Rechnergestütztes Verfahren zum Projektieren eines Leitungssystems
DE10113565 2001-03-20
PCT/DE2002/000819 WO2002075881A2 (fr) 2001-03-20 2002-03-07 Procede assiste par ordinateur de projection d'un systeme de lignes electriques

Publications (1)

Publication Number Publication Date
EP1371123A2 true EP1371123A2 (fr) 2003-12-17

Family

ID=7678259

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02721995A Withdrawn EP1371123A2 (fr) 2001-03-20 2002-03-07 Procede assiste par ordinateur de projection d'un systeme de lignes electriques

Country Status (4)

Country Link
US (1) US6947812B2 (fr)
EP (1) EP1371123A2 (fr)
DE (1) DE10113565C1 (fr)
WO (1) WO2002075881A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101416189B (zh) 2006-03-28 2011-11-16 西门子公司 考虑拓扑结构和可视化预定值规划技术装置的方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5586254A (en) * 1992-02-13 1996-12-17 Hitachi Software Engineering Co., Ltd. System for managing and operating a network by physically imaging the network
MX9707504A (es) * 1995-03-31 1997-11-29 Abb Power T & D Co Sistema para optimicar la confiabilidad de diseño de red de energia.
JP3364826B2 (ja) * 1997-02-24 2003-01-08 株式会社日立製作所 配電系統構成の作成方法及び装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO02075881A2 *

Also Published As

Publication number Publication date
US20040143371A1 (en) 2004-07-22
WO2002075881A2 (fr) 2002-09-26
WO2002075881A3 (fr) 2003-04-03
DE10113565C1 (de) 2002-10-10
US6947812B2 (en) 2005-09-20

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