CN103778230B - Online automatic generation method for black-start scheme - Google Patents

Online automatic generation method for black-start scheme Download PDF

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CN103778230B
CN103778230B CN201410036329.3A CN201410036329A CN103778230B CN 103778230 B CN103778230 B CN 103778230B CN 201410036329 A CN201410036329 A CN 201410036329A CN 103778230 B CN103778230 B CN 103778230B
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black
parameter
power
psd
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CN103778230A (en
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梁海平
顾雪平
王涛
刘艳
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华北电力大学(保定)
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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44Arrangements for executing specific programs
    • G06F9/455Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines

Abstract

The invention relates to the technical field of electric power system analysis and control and provides an online automatic generation method for a black-start scheme. The online automatic generation method comprises the following steps: acquiring a QS formatted file in an E language from 'intelligent power grid dispatching technical support system for state grid' through a file transmission protocol and analyzing the QS formatted file in a C# language; constructing a topology map by taking a node in the power grid as a vertex and a power transmission line or transformer as a border; adopting the shortest path algorithm or depth-first search algorithm for calculating a black-start recovering path from a power point to a to-be-recovered unit/load; calling ATP-EMTP and PSD-BPA7 for performing simulating calculation; introducing a class library Microsoft.Office.Interop.Word for automatically writing a simulated result into a Word file in the form of graph, word and table, thereby forming the black-start scheme. Compared with the existing method for forming the black-start scheme by manually adopting the tool, such as PSD-BPA or ATP-EMTP, which is time-wasting and labor-wasting and has the defect of inferior applicability of independently developed simulated program, the online automatic generation method has the advantage that the efficiency and credibility of the generated black-start scheme are increased. The online automatic generation method has significance in failure recovery of a power system.

Description

A kind of on-line automatic generation method of black-start scheme

Technical field

The present invention relates to a kind of on-line automatic generation method of black-start scheme, particularly relate to a kind of on-line automatic generation method of black-start scheme based on ATP-EMTP and PSD-BPA software, belong to Power System Analysis control technology field.

Background technology

All there is the weak method of operation and serious running status in any strong electrical network; be distributed after electrical grid failure, the aut.eq. of independent operating also may bring hidden danger to the safe operation of electrical network while protection electrical network; as the excision etc. of a large amount of circuit, genset and load; may cause the cascading failure of electrical network, this is also one of direct inducement of large-scale blackout.Along with interregional grid is formed gradually, connecting each other between each regional power grid is more and more closer, and partial electric grid fault may cause large-scale power outage under the acting in conjunction of the factors such as electric network composition, protection and aut.eq..The generation of having a power failure on a large scale can cause huge impact to economy and social safety.After occurring when having a power failure on a large scale, carry out that partial isolated system is saved oneself or the black starting-up that external power source is supported to accelerate economic loss that System recover, minimizing accident bring and social impact significant.

In order to reduce the loss of having a power failure on a large scale and bringing, related scientific research and operation of power networks personnel have carried out a large amount of research work, and the black startup test that to comprise with water turbine set or gas turbine group be black starting-up power supply, achieves a large amount of scientific payoffss.2005 by " Da Wei " platform wind-induced having a power failure on a large scale recover in journey, owing to have employed the black-start scheme formulated in advance, system power supply is recovered within a short period of time.

So-called black starting-up refers to that whole system is because of after fault stoppage in transit, system all has a power failure, under the prerequisite not relying on other system help, started by the genset in system with self-startup ability, drive the genset of non self starting, expand System recover scope gradually, finally realize the recovery of whole system.

Owing to relating to routing in black-start scheme formulation process, the switching overvoltage of equipment when recovering, load frequency and voltage when dropping into fall and initial stages of restoration dissimilar unit paired running time issuable stable problem etc., therefore need to adopt different computing method and simulation software to carry out verify calculation.The current professional software in electro-magnetic transient field and the application of Power System Analysis field mainly contains ATP-EMTP, PSD-BPA etc.

ATP program (The Alternative Transients Program) is current electro-magnetic transient analysis program (EMTP(The Electromagnetic Transients Program) in the world) the most widely used version, the basic function of EMTP program is the simulation calculation of carrying out electro-magnetic transient, it can the control system of Simulation of Complex network and arbitrary structures, mathematical model is enriched, and major function comprises electromagnetic transient analysis, steady-state analysis and simulation of power electronic etc.Its simulation result has very high authority in electromagnetic transient simulation field.This software can realize the realistically displayed of the switching overvoltage and resonance overvoltage etc. of black-start scheme.

PSD-BPA software developed by China Electric Power Research Institute's system, this software package is formed primarily of trend and temporary steady program, there is the features such as calculating scale is large, computing velocity fast, better numerical value stability, function are strong, be widely applied in China's Power System Planning, scheduling, production run and scientific research department.This software can realize verifying the trend of black-start scheme, load restoration time electric voltage frequency verification and multimachine paired running after stable verification etc.

Dijkstra's algorithm is typical shortest path algorithm, for the shortest path between computing node.Principal feature outwards expands layer by layer centered by starting point, until expand to terminal.Dijkstra's algorithm can draw the optimum solution of shortest path, its algorithm idea is: establish G (V, E) be a Weighted Directed Graph, wherein V is vertex set, E is limit collection, vertex set V in figure is divided into two groups, first group is that the vertex set having obtained shortest path (represents with S, a source point is only had in S time initial, after this often try to achieve a shortest path just to be joined in S set, until all summit all joins in S), second group is the vertex set (representing with U) not determining shortest path, successively the summit of second group is added in S by the increasing order of shortest path length.In the process added, the shortest path length on each summit in from source point to S is always kept to be not more than the shortest path length on any summit in from source point to U.

Existing black-start scheme is formulated by manually adopting the instruments such as PSD-BPA, ATP-EMTP, owing to all needing the time and efforts of professional and technical personnel's at substantial in the generation, analysis of simulation result etc. of the Organization of Data of restoration path path, scheme verification, simulation document.Therefore a kind of black-start scheme automatic generation method that can be applicable to dissimilar model of exploitation is needed badly, to solve the predicament that existing black-start scheme generation method wastes time and energy and independent development simulated program applicability is not strong.

The method data from D5000 system (" national grid intelligent grid supporting system technology "), this system is the distributed integrated dispatching of power netwoks technology support system of a kind of wide area panorama, there is the features such as standard, opening, reliable, safety and strong adaptability, carry in real time monitoring application platform large with early warning, operation plan, Security Checking and management and running four, can realize monitoring in real time operation of power networks, the online function such as stability analysis, dispatching services management.

Summary of the invention

The object of the invention is to adopt the technology drawbacks that instrument formulation is wasted time and energy and independent development simulated program applicability is not strong such as PSD-BPA or ATP-EMTP for existing black-start scheme by artificial, there is provided a kind of black-start scheme based on ATP-EMTP and PSD-BPA software on-line automatic generation method, improve the efficiency of black-start scheme formulation and the credibility of result.

Based on a black-start scheme automatic generation method for ATP-EMTP and PSD-BPA software, the method comprising the steps of:

Step 1: the QS formatted file being obtained E language (electric power system data markup language) by file transfer protocol (FTP) (FTP:File Transfer Protocol) from " national grid intelligent grid supporting system technology " (D5000), C# language is adopted to resolve it, obtain black-start scheme search, basic data needed for verification, as topological data, node data, line parameter circuit value, transformer parameter, generator parameter, parameters of excitation system, PSS parameter, governing system parameter and load data etc.;

Step 2: at appointment black starting-up power supply, on the basis of unit/load to be restored and parsing QS file electrical network topology data, with electrical network interior joint for summit, with transmission line of electricity or transformer for limit builds topo graph, the black starting-up restoration path between shortest path first or Depth Priority Algorithm calculating power supply point to unit/load to be restored is adopted: when restoration path is not considered to have to pass through or walk around the circuit of specifying after building topology figure, shortest path first is adopted to obtain restoration path during transformer station, when restoration path is considered to have to pass through or walk around the circuit of specifying, the method of depth-first search during transformer station obtains restoration path,

Step 3: the black starting-up restoration path obtained according to step 2, node data, node working voltage, power parameter, transformer parameter and line parameter circuit value in automatic retrieval QS document analysis result, form " .atp " file needed for switching overvoltage and excitation surge current over-voltage simulation automatically according to ATP-EMPT file layout;

Step 4: according to the black starting-up restoration path formed, node working voltage, node load, the injecting power of node generator, line parameter circuit value, transformer parameter in automatic retrieval QS document analysis result, generate " .dat " file needed for Load flow calculation by PSD-BPA form;

Step 5: automatically retrieve the generator in " .swi " file, speed governing, excitation parameter according to black starting-up path, " .dat " file interior joint title, QS file and the PSD-BPA nodename table of comparisons, generate " .swi " file needed for new electromechanical transient simulation by PSD-BPA form;

Step 6: runATP program computation " .atp " file calling ATP-EMTP, and by resolving " .pl4 " file acquisition switching overvoltage and excitation surge current superpotential result;

Step 7: the pfnt calling PSD-BPA calculates power flow files " .dat ", by resolving " .pfo " file acquisition power flow solutions;

Step 8: in conjunction with " .bse " file of calculation of tidal current, the electromechanical transient file " .swi " of swnt to recovery scheme calling PSD-BPA carries out simulation calculation, the stable case after arranged side by side by frequency, Voltage Drop situation and multimachine when resolving " .swx " file acquisition input station-service subsidiary engine/load;

Step 9: the superpotential caused switching overvoltage, the transformer excitation flow after resolving, voltage to frequency when dropping into station-service subsidiary engine/load fall, stability result after multimachine paired running gathers, adopt Visual C# to call the operation of Microsoft Microsoft.Office.Interop.Word class libraries realization to Word, scheme description, check results analysis etc. are write Word document automatically according to form and then forms black-start scheme report.

The present invention achieves the automatic generation of black starting-up recovery scheme by the E form QS data of resolving D5000, the automatic search of black starting-up restoration path is achieved by the searching algorithm of dijkstra's algorithm or depth-first, by automatically generating ATP-EMTP and PSD-BPA simulation document and Automatically invoked program carries out the automatic Verification that simulation calculation achieves scheme, achieve the automatic generation of black starting-up recovery scheme report by calling Microsoft's class libraries.Because ATP-EMTP has authority at electromagnetic transient analysis, PSD-BPA at tidal current analysis and electromechanical transient analysis field, therefore the simulation result of black-start scheme easily obtains operation of power networks, mode personnel approval.

The instruments such as the present invention and existing artificial employing PSD-BPA or ATP-EMTP are formulated and to be wasted time and energy and compared with the strong drawback of independent development simulated program applicability, can improve the credibility of efficiency that black-start scheme formulates and result.

The present invention is significant in Power system fault restoration.

Accompanying drawing explanation

Fig. 1 is the functional module structure figure that the present invention realizes.

Fig. 2 is required " .swi " file generated block diagram of emulation provided by the invention.

Fig. 3 is process flow diagram of the present invention.

Fig. 4 recovery scheme search interface.

Fig. 5 check results display interface.

Embodiment

The invention provides a kind of on-line automatic generation method of black-start scheme based on ATP-EMTP and PSD-BPA software, below in conjunction with drawings and embodiments, the present invention is described in further detail.

See Fig. 1, functions implementing the present invention mainly automatically generating under parametric controller by searching file acquisition, QS document analysis, restoration path rope, ATP file generated, DAT file generated, SWI file generated, result of calculation resolves and the cooperation control realization of the functional module such as Word report generation.

Wherein, " data file acquisition " module realizes the QS file obtaining D5000 system E language from ftp server, and completes QS Archive sit title and " .swi " Archive sit name map;

" data file parsing " module adopts C# to carry out QS file resolving the topological data, node data, line parameter circuit value, transformer parameter etc. that can obtain electrical network, can be obtained generator parameter, parameters of excitation system, PSS parameter, governing system parameter and load data etc. in " .swi " file by QS file and " .swi " Archive sit title table of comparisons;

" restoration path rope is searched " module can realize the route searching starting power supply and treat between extensive node, in appointment black starting-up power supply (this power supply can be outer net bus or the genset that can carry out self-starting), on the basis of unit/load to be restored, according to resolving the network topology data obtained, with circuit and transformer for limit forms adjacency matrix, adopt Dijkstra shortest path first according to different demand or adopt the restoration path between the path search algorithm calculating black starting-up power supply of depth-first and unit/load to be restored, and then obtain the black starting-up restoration path comprising transformer and transmission line of electricity,

" ATP file generated " module realizes " .atp " file generated function needed for switching overvoltage and resonance overvoltage, according to the System recover path formed, C# language is adopted analytically to retrieve power parameter (external network equivalent is the form of infinitely great power supply and reactance), transformer parameter and line parameter circuit value in restoration path in result, then " .atp " file needed for switching overvoltage and excitation surge current superpotential is formed according to ATP-EMPT form, when considering transformer excitation flow, need the magnetic saturation parameter of transformer core be considered in realistic model;

" DAT file generated " module realizes " .dat " file generated function needed for Load flow calculation, according to calculating the black starting-up restoration path formed, C# language is adopted analytically to retrieve the injecting power, line parameter circuit value, transformer parameter etc. of node working voltage in restoration path, node load, node generator in result, by PSD-BPA form, power supply point is set to balance node (BS) node, other node devices PQ node (B node) generates required " .dat " file of Load flow calculation;

" SWI file generated " module realizes " .swi " file generated function needed for stability simulation, " .bse " file, QS Archive sit title and " .swi " Archive sit name map table that are formed in conjunction with black starting-up restoration path, Load flow calculation retrieve generator involved in black starting-up restoration path in " .swi " file, speed governing, excitation parameter automatically, generate " .swi " file new needed for electromechanical transient simulation by PSD-BPA form, " .swi " file forms flow process, and (Fig. 2 is required " .swi " file generated block diagram of emulation provided by the invention as shown in Figure 2.);

" Simulation Control " module realizes " .atp ", the computer sim-ulation of " .dat " and " .swi " simulation document controls, by runATP program computation " .atp " file of the assignment of Process class members variable and the operation calls ATP-EMTP of member function in Visual C#2010, call the pfnt program computation power flow files " .dat " of PSD-BPA software, the swnt program computation calling PSD-BPA software stablizes file " .swi ";

" result parsing " module realizes the analytical capabilities of computer sim-ulation result, comprise the parsing of " .pl4 " file in ATP-EMTP simulation result, calculation of tidal current " .pfo " document analysis, stability simulation result " .swx " document analysis etc., the electric voltage frequency obtained when the switching overvoltage multiple of recovery scheme, node voltage, line power, station-service subsidiary engine or load drop into fall and multimachine side by side after stable case etc.;

" report generation " module realizes the automatic generation of black starting-up report, and the Microsoft.Office.Interop.Word class libraries calling Microsoft operates Word document.Voltage to frequency when the superpotential caused switching overvoltage, transformer excitation flow, station-service subsidiary engine/load drop into falls, stability Calculation result after multimachine paired running is carried out on the basis of dissection process, result automatically write in Word document with the form of figure, form, word and form black-start scheme report, the flow process of scheme report generation as shown in Figure 3.Fig. 3 is the process flow diagram that black-start scheme of the present invention generates automatically.

Based on a black-start scheme automatic generation method for ATP-EMTP and PSD-BPA software, the method comprising the steps of:

Step 1: the QS formatted file being obtained E language (electric power system data markup language) by FTP from " national grid intelligent grid supporting system technology " (D5000), C# language is adopted to resolve it, obtain black-start scheme search, basic data needed for verification, as topological data, node data, line parameter circuit value, transformer parameter, generator parameter, parameters of excitation system, PSS parameter, governing system parameter and load data etc.;

Step 2: at appointment black starting-up power supply, on the basis of unit/load to be restored and parsing QS file electrical network topology data, with electrical network interior joint for summit, with transmission line of electricity or transformer for limit builds topo graph, then the restoration path between shortest path first or Depth Priority Algorithm calculating power supply point to unit/load to be restored is adopted, when restoration path is not considered to have to pass through or walk around the circuit of specifying, shortest path first is adopted to obtain restoration path during transformer station, when restoration path is considered to have to pass through or walk around the circuit of specifying, the method of depth-first search during transformer station obtains restoration path,

Step 3: the black starting-up restoration path obtained according to step 2, node data, node working voltage, power parameter, transformer parameter and line parameter circuit value in automatic retrieval QS document analysis result, form " .atp " file needed for switching overvoltage and excitation surge current over-voltage simulation automatically according to ATP-EMPT file layout;

Step 4: according to the black starting-up restoration path formed, the injecting power, line parameter circuit value, transformer parameter etc. of the node working voltage in automatic retrieval QS document analysis result, node load, node generator, generate " .dat " file needed for Load flow calculation by PSD-BPA form;

Step 5: automatically retrieve the generator in " .swi " file, speed governing, excitation parameter in conjunction with black starting-up path, " .dat " file interior joint title, QS file and the PSD-BPA nodename table of comparisons, generate " .swi " file needed for new electromechanical transient simulation by PSD-BPA form;

Step 6: runATP program computation " .atp " file calling ATP-EMTP, and by resolving " .pl4 " file acquisition switching overvoltage and excitation surge current superpotential result;

Step 7: the pfnt calling PSD-BPA calculates power flow files " .dat ", by resolving " .pfo " file acquisition power flow solutions;

Step 8: in conjunction with " .bse " file of calculation of tidal current, the electromechanical transient file " .swi " of swnt to recovery scheme calling PSD-BPA carries out simulation calculation, the stable case after arranged side by side by frequency, Voltage Drop situation and multimachine when resolving " .swx " file acquisition input station-service subsidiary engine/load;

Step 9: the results such as the superpotential caused switching overvoltage, the transformer excitation flow after resolving, voltage to frequency when dropping into station-service subsidiary engine/load fall, stability after multimachine paired running gather, adopt Visual C# to call the operation of Microsoft Microsoft.Office.Interop.Word class libraries realization to Word, scheme description, check results analysis etc. are write Word document automatically according to form and then forms black-start scheme report.

Described shortest path first is dijkstra's algorithm.

The described restoration path searching algorithm step based on depth-first is:

Step 1: with electrical network interior joint for summit, builds topo graph with transmission line of electricity or transformer for limit, is activated node (Vt) with power supply point (Vs) the position starting point search in topological diagram;

Step 2: by Vs, accesses its arbitrary adjacent vertex V 1;

Step 3: from V 1set out, access and V1 adjoin but the summit V also do not accessed 2;

Step 4: and then from V 2set out, carry out similar access;

Step 5: for the recovery scheme of reality, due to the restriction of power-frequency overvoltage, switching overvoltage etc., do not have a practical significance through the scheme of too much transmission line of electricity and/or transformer, therefore the degree of depth of setting search is 6 layers;

Step 6: if the degree of depth of search is less than 6 and finds be activated node Vt, then export all restoration paths found and supply verify calculation.

Be that to start power up Lian Zhou be example with Yangquan, as the inventive method, have 9 steps as follows:

Step 1: the electric network model file QS formatted file obtained from FTP is resolved;

Step 2: setting recovery power supply and plant stand to be restored, and carry out scheme search, as shown in Figure 4;

Step 3: the black starting-up restoration path obtained according to step 2, forms " .atp " file needed for switching overvoltage and excitation surge current over-voltage simulation automatically according to ATP-EMPT file layout;

Step 4: according to the black starting-up restoration path formed, generates " .dat " file needed for Load flow calculation by PSD-BPA form;

Step 5: in conjunction with black starting-up path, " .dat " file interior joint title etc., generate " .swi " file needed for new electromechanical transient simulation by PSD-BPA form, step 3,4,5 is by selecting " trend " in Fig. 4, the realization of " superpotential " and " stablizing " check box;

Step 6: runATP program computation " .atp " file calling ATP-EMTP, and by resolving " .pl4 " file acquisition switching overvoltage and excitation surge current superpotential result;

Step 7: the pfnt calling PSD-BPA calculates power flow files " .dat ", by resolving " .pfo " file acquisition power flow solutions;

Step 8: in conjunction with " .bse " file of calculation of tidal current, the electromechanical transient file " .swi " of swnt to recovery scheme calling PSD-BPA carries out simulation calculation, stable case after arranged side by side by frequency, Voltage Drop situation and multimachine when resolving " .swx " file acquisition input station-service subsidiary engine/load, step 6,7,8 is realized by button " scheme verification " in Fig. 4;

Scheme descriptions, check results analysis etc. are write Word document according to form by " recovery report generation " button in Fig. 5 and then form black-start scheme report by step 9: the results such as the superpotential caused switching overvoltage, the transformer excitation flow after resolving, voltage to frequency when dropping into station-service subsidiary engine/load fall, stability after multimachine paired running gather automatically.

Whole black starting-up recovery scheme report can generate within 50 seconds, significantly improves the efficiency of black starting-up recovery scheme formulation and the credibility of result.

The present invention achieves the online formulation of scheme by the E form QS data of resolving D5000, the automatic search of scheme is achieved, by automatically generating ATP-EMTP and PSD-BPA simulation document and Automatically invoked program carries out the automatic Verification that simulation calculation achieves scheme by dijkstra's algorithm.Because ATP-EMTP has authority at electromagnetic transient analysis, PSD-BPA at tidal current analysis and electromechanical transient analysis field, therefore the simulation result of black-start scheme easily obtains operation of power networks, mode personnel approval.

The present invention can provide efficiency, improves the efficiency of black-start scheme formulation and the credibility of result.

The on-line automatic generation black-start scheme of the present invention's energy, significant in Power system fault restoration.

Claims (3)

1. the on-line automatic generation method of black-start scheme, it is characterized in that, the method comprising the steps of:
Step 1: the QS formatted file being obtained E language by file transfer protocol (FTP) from " national grid intelligent grid supporting system technology ", C# language is adopted to resolve it, obtain black-start scheme search, verification needed for basic data, described basic data comprises topological data, node data, line parameter circuit value, transformer parameter, generator parameter, parameters of excitation system, PSS parameter, governing system parameter and load data;
Described E language and electric power system data markup language;
Step 2: at appointment black starting-up power supply, on the basis of unit/load to be restored and parsing QS formatted file electrical network topology data, with electrical network interior joint for summit, with transmission line of electricity or transformer for limit builds topo graph, adopt shortest path first after building topology figure or calculate the black starting-up restoration path between power supply point to unit/load to be restored based on the restoration path searching algorithm of depth-first: when restoration path is not considered to have to pass through or walk around the circuit of specifying, shortest path first is adopted to obtain restoration path during transformer station, when restoration path is considered to have to pass through or walk around the circuit of specifying, during transformer station, the restoration path searching algorithm based on depth-first is adopted to obtain restoration path,
Step 3: the black starting-up restoration path obtained according to step 2, node data, node working voltage, power parameter, transformer parameter and line parameter circuit value in automatic retrieval QS formatted file analysis result, form " .atp " file needed for switching overvoltage and excitation surge current over-voltage simulation automatically according to ATP-EMPT file layout;
Step 4: according to the black starting-up restoration path formed, node working voltage, node load, the injecting power of node generator, line parameter circuit value, transformer parameter in automatic retrieval QS formatted file analysis result, generate " .dat " file needed for Load flow calculation by PSD-BPA form;
Step 5: automatically retrieve the generator in " .swi " file, speed governing, excitation parameter according to black starting-up path, " .dat " file interior joint title, QS formatted file and the PSD-BPA nodename table of comparisons, generate " .swi " file needed for new electromechanical transient simulation by PSD-BPA form;
Step 6: runATP program computation " .atp " file calling ATP-EMTP, and by resolving " .pl4 " file acquisition switching overvoltage and excitation surge current superpotential result;
Step 7: the pfnt calling PSD-BPA calculates power flow files " .dat ", by resolving " .pfo " file acquisition power flow solutions;
Step 8: in conjunction with " .bse " file of calculation of tidal current, the electromechanical transient file " .swi " of swnt to recovery scheme calling PSD-BPA carries out simulation calculation, the stable case after arranged side by side by frequency, Voltage Drop situation and multimachine when resolving " .swx " file acquisition input station-service subsidiary engine/load;
Step 9: the superpotential caused switching overvoltage, the transformer excitation flow after resolving, voltage to frequency when dropping into station-service subsidiary engine/load fall, stability result after multimachine paired running gathers, adopt Visual C# to call the operation of Microsoft Microsoft.Office.Interop.Word class libraries realization to Word, scheme is described, check results analysis automatically writes Word document according to form and then formation black-start scheme is reported.
2. the on-line automatic generation method of a kind of black-start scheme according to claim 1, is characterized in that, described shortest path first is dijkstra's algorithm.
3. the on-line automatic generation method of a kind of black-start scheme according to claim 2, is characterized in that, the concrete steps of the described restoration path searching algorithm based on depth-first are:
Step 1: with electrical network interior joint for summit, builds topo graph with transmission line of electricity or transformer for limit, is activated node Vt with the power supply point Vs position starting point search in topological diagram;
Step 2: by Vs, accesses its arbitrary adjacent vertex V 1;
Step 3: from V 1set out, access and V1 adjoin but the summit V also do not accessed 2;
Step 4: and then from V 2set out, carry out similar access;
Step 5: the degree of depth of setting search is 6 layers;
Step 6: if the degree of depth of search is less than 6 and finds be activated node Vt, then export all restoration paths found and supply verify calculation.
CN201410036329.3A 2014-01-23 2014-01-23 Online automatic generation method for black-start scheme CN103778230B (en)

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