CN110348659A - A kind of graphical representation method and system of power grid security evaluation index - Google Patents
A kind of graphical representation method and system of power grid security evaluation index Download PDFInfo
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Abstract
The present invention relates to a kind of graphical representation method and system of power grid security evaluation index, acquire power grid security evaluation index and generate calculation result table；The calculation result table is carried out to the numeralization of calculated result information；Calculated result information after the numeralization is shown based on the figure constructed in advance.The present invention is relatively more intuitive using the calculated result index display system of figure, and information shows that information is more concentrated on a figure, while overall result index coefficient can be provided to the current method of operation.
Description
Technical field
The present invention relates to indexs to show field, and in particular to a kind of graphical representation method of power grid security evaluation index and
System.
Background technique
The electric power very important role of performer among people's lives and economic development always, so guaranteeing power train
The stable operation of system becomes the most important thing, and with economic rapid development, power grid scale also quickly increases, and relies on operator
The mode that experience carries out Instructing manufacture is more and more infeasible, has become Electrical Power System Dynamic point using electric system simulation calculating
Analysis is used to instruct the basic foundation of operation of power networks with the basic means of security control and power generation department, and measures electric power
The superiority and inferiority of system operation mode depends primarily on power grid security assessment and calculates i.e.: transient stability, small interference, and short circuit current is static
Safety analysis, voltage stabilization, the result that stability margin calculates.So intuitive, convenient, efficient mode as the result is shown is constructed,
The work load that staff can not only be mitigated significantly, can also submit working efficiency.The main side of result was shown in the past
Formula is the form of table.
System is shown using the form of report or table building calculated result, and original meter can be provided to computing staff
Conclusion is calculated, but computing staff needs the important information information among MS manual search result, such as: small interference underdamping, it is temporarily steady
Unstability etc., there are the problems in not succinct enough and inadequate collection of information for this display mode, while this mode is to user of service's
It is required that relatively high, the meaning that each field in result is not only understood completely, which will also carry out several operations, can just obtain a result knot
By the careless slightly error that will be led up to a conclusion, debugging difficulty is also very big, and general staff uses inefficiency and is also easy hair
Raw fault.Furthermore the form not can be carried out the comparative study work of more batches of calculated results, so the form using table is confined to
The displaying of single batch of method of operation calculated result.
Summary of the invention
Difficult to solve above-mentioned debugging in the prior art, general staff uses inefficiency and is easy to happen mistake
Accidentally, the problem of not can be carried out the comparative study work of more batches of calculated results using the form of report or table, mesh of the invention
The graphical representation method and system for being to provide a kind of power grid security evaluation index, using figure calculated result index show
System is relatively more intuitive, and information shows that information is more concentrated on a figure, while can provide to the current method of operation
Overall result index coefficient.
The purpose of the present invention is adopt the following technical solutions realization:
The present invention provides a kind of graphical representation method of power grid security evaluation index, thes improvement is that:
Obtain power grid security evaluation index calculated result；
The calculated result is subjected to numeralization processing according to rule predetermined；
Numeralization treated the calculated result information is shown by preset graphic style.
Further: the power grid security evaluation index calculated result being stored in table, calculation result table is constituted.
Further: before the numeralization that the calculation result table is carried out to calculated result information, further includes:
Unique index major key ID is generated according to the power grid security evaluation index calculated result of calculating, and is stored to corresponding meter
It calculates in result table；
According to the index major key ID searched from corresponding calculation result table the corresponding dangerous number for calculating type and
Total number.
Further: the calculated result information by after the numeralization is opened up by preset graphic style
Show, comprising:
Quantity based on index sets polygon, and each vertex is connect with central point, generates identical with index quantity
Isometric reference axis, every kind of calculating type use one of those isometric reference axis, according to the index value after numeralization demarcate its
Position in reference axis；
It connects adjacent point and the closed area of quantity setting polygon of the calibration based on index, forms whole numeralization
Indication information；
Numeralization treated the calculated result information is shown by preset graphic style.
Further: the calculated result information after the numeralization is being shown it by preset graphic style
Afterwards, further includes:
The drawing process for repeating coordinate components, shows more batches of calculated result information in the graphic；
Different power grids fortune are compared by the calculated result information of each component of comparison and the information of overall closed area
The superiority and inferiority of line mode.
Further: the calculated result information by comparing each component and the information of overall closed area compare
The superiority and inferiority of different grid operation modes includes: out
Polygon closed area area is used to measure the stability under current trend section；Size can compare
The superiority and inferiority calculated twice out；
Every class Indexes Comparison: every kind of index shows two points all in the same reference axis, close by subapical to be excellent
Central point is difference.
Further: described that the calculated result is carried out by numeralization processing according to rule predetermined, comprising:
To in the power grid security evaluation index dangerous number and result sum quantize.
Further: the power grid security evaluation index be included in electric network data, transient stability, small interference, short circuit current,
Voltage stabilization, static security analysis and stability margin index.
Further: the calculation result table includes multilayer output feedback network result table, small interference calculation result table, short circuit electricity
Stream calculation result table, voltage stabilization calculation result table, static security analysis calculation result table and stability margin calculation result table.
Further: the dangerous number and result sum in the power grid security evaluation index quantizes,
Include:
Transient stability index numeralization: 1- is temporarily steady, and dangerous number/failure is total, and temporarily steady dangerous number is in temporary steady result table
Istable！=0 and Istable！=14 number of jobs, total number are the sum that this time scanning participates in the fault set calculated；
Small interference index value: the small risk of interference number of 1-/result sum, small risk of interference number are small interference result
The tuple quantity of damping ratio al < 0.03 in table, total number are the total small interference calculation of the small interference result of this time scanning the result is that dividing
The tuple quantity of group output；
Voltage stability index numeralization: 1- voltage hazard number/result sum, voltage hazard number are voltage stabilization in table
The number of tuples of limit vsl < 0.1；
Static security analysis index value: the out-of-limit number of 1- static security analysis/cut-off element total number, static security
Dangerous number is the number of tuple in the out-of-limit result table of static security analysis, and total number is to participate in the number of scanning；
Short circuit current index value: 1- voltage hazard number/total number, short circuit risk number are short circuit current result table
The number of tuples of short circuit currents and breaking current ratio > 0.8, total number of tuples in total number, that is, result table；
Stability margin index numeralization: 1- danger number/sum, dangerous number are current active in stability margin result table
With the number of tuples of ratio > 0.8 of the active limit, total number of tuples in total number, that is, result table.
Further: the polygon that the quantity based on index is set is hexagon, the vertex correspondence of the hexagon
Power grid security evaluation index.
The present invention also provides a kind of graphical representation systems of power grid security evaluation index, the improvement is that:
Module is obtained, for obtaining power grid security evaluation index calculated result；
Quantize module, for the calculated result to be carried out numeralization processing according to rule predetermined；
Display module, for by numeralization treated the calculated result information by the progress of preset graphic style
It shows.
Further: further including memory module, for the power grid security evaluation index calculated result to be stored in table
In, constitute calculation result table.
Further: before the numeralization that the calculation result table is carried out to calculated result information, further includes:
Computing module, for generating unique index major key ID according to the power grid security evaluation index calculated result of calculating, and
It stores into corresponding calculation result table；
Searching module, for searching corresponding calculating type from corresponding calculation result table according to the index major key ID
Dangerous number and total number.
Further: the numeralization module, comprising:
Unit is demarcated, polygon is set for the quantity based on index, each vertex is connect with central point, generates and refers to
The identical isometric reference axis of quantity is marked, every kind of calculating type uses one of those isometric reference axis, according to the finger after numeralization
Scale value demarcates its position in reference axis；
Unit is formed, for connecting adjacent point and the closed area of quantity setting polygon of the calibration based on index, shape
The indication information of integral numeralization；
Display unit, for the indication information of the numeralization to be shown by preset graphic style.
Further: the calculated result information after the numeralization is being shown it by preset graphic style
Afterwards, further includes:
Replicated blocks show more batches of calculated result information for repeating the drawing process of coordinate components in the graphic；
Comparison module, the information for calculated result information and overall closed area by comparing each component compare
The superiority and inferiority of different grid operation modes out.
Further: the numeralization module is also used to:
To in the power grid security evaluation index dangerous number and result sum quantize.
Further: the power grid security evaluation index be included in electric network data, transient stability, small interference, short circuit current,
Voltage stabilization, static security analysis and stability margin index.
Further: the calculation result table includes multilayer output feedback network result table, small interference calculation result table, short circuit electricity
Stream calculation result table, voltage stabilization calculation result table, static security analysis calculation result table and stability margin calculation result table.
Further: the numeralization module, comprising:
Transient stability index numeralization unit, quantizes for transient stability index: temporarily steady danger number/failure is total by 1-
Number, temporarily steady dangerous number are Istable in temporarily steady result table！=0 and Istable！=14 number of jobs, total number is should
Secondary scanning participates in the sum of the fault set calculated；
Small interference index value unit is used for small interference index value: the small risk of interference number of 1-/result sum,
Small risk of interference number is the tuple quantity of damping ratio al < 0.03 in small interference result table, and total number is that this time scans small interference
As a result total small interference calculation is the result is that the tuple quantity that grouping exports；
Voltage stability index numeralization unit, quantize for voltage stability index: 1- voltage hazard number/result is total
Number, voltage hazard number are the number of tuples of voltage stability limit vsl < 0.1 in table；
Static security analysis index value unit is used for static security analysis index value: 1- static security analysis
Out-of-limit number/cut-off element total number, static security danger number is the number of tuple in the out-of-limit result table of static security analysis,
Total number is to participate in the number of scanning；
Short circuit current index value unit is used for short circuit current index value: 1- voltage hazard number/total number,
Short circuit risk number is the number of tuples of short circuit current result table short circuit currents and breaking current ratio > 0.8, total number, that is, result
Total number of tuples in table；
Stability margin index numeralization unit, quantizes for stability margin index: 1- danger number/sum, and dangerous
Counting is the current active number of tuples with ratio > 0.8 of the active limit in stability margin result table, in total number, that is, result table always
Number of tuples.
Compared with the immediate prior art, the beneficial effect that technical solution provided by the invention reaches is:
The present invention provides a kind of graphical representation method of power grid security evaluation index, obtains power grid security evaluation index meter
Calculate result；The calculated result is subjected to numeralization processing according to rule predetermined；By it is described numeralization treated meter
Result information is calculated to be shown by preset graphic style.The present invention is opened up using the calculated result information of pattern
Show more intuitive, information is more concentrated, while overall result index coefficient can be provided to the current method of operation.Overcome debugging difficult
Degree is very big, and general staff uses inefficiency and is easy to happen fault, not can be carried out using the form of report or table more
Criticize the defect of the comparative study work of calculated result.
In technical solution of the present invention, every class calculated result index has clear, succinct expression, user of service on figure
The important information of calculated result index is more easily found on figure, is adjusted for next step mode and is provided prompt and current operation
The superiority and inferiority of mode has an intuitive assessment, such as: if there is a large amount of more limit informations, the index in static security analysis result
Point can be close to centre of figure in its corresponding reference axis, and the closed area eventually formed will form in static security analysis direction
The state of recess can prompt to need to adjust in terms of computing staff's current way static security.It simultaneously can be on a figure
Show the information of multiple calculated result, such user of service can easily comparing result.
Detailed description of the invention
Fig. 1 is the simple process figure of the graphical representation method of power grid security evaluation index provided by the invention；
Fig. 2 is the effect display diagram of the graphical representation of power grid security evaluation index provided by the invention；
Fig. 3 is the detail flowchart of the graphical representation method of power grid security evaluation index provided by the invention.
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to
Practice them.Other embodiments may include structure, logic, it is electrical, process and other change.Embodiment
Only represent possible variation.Unless explicitly requested, otherwise individual component and function are optional, and the sequence operated can be with
Variation.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This hair
The range of bright embodiment includes equivalent obtained by the entire scope of claims and all of claims
Object.Herein, these embodiments of the invention can individually or generally be indicated that this is only with term " invention "
For convenience, and if in fact disclosing the invention more than one, the range for being not meant to automatically limit the application is to appoint
What single invention or inventive concept.
Embodiment one,
This motion is improved to power system simulation software security evaluation calculated result display form, uses this method
The complexity of security assessment result displaying is can simplify, calculated result is made to open up by this method in inside numeralization and graphically
Show that effect is more intuitive, efficient, succinct.
The present invention provides a kind of graphical representation method of power grid security evaluation index, and flow chart is as shown in Figure 1, packet
It includes:
Obtain power grid security evaluation index calculated result；
The calculated result is subjected to numeralization processing according to rule predetermined；
Numeralization treated the calculated result information is shown by preset graphic style.
Further: the power grid security evaluation index calculated result being stored in table, calculation result table is constituted.
Further: before the numeralization that the calculation result table is carried out to calculated result information, further includes:
Unique index major key ID is generated according to the power grid security evaluation index calculated result of calculating, and is stored to corresponding meter
It calculates in result table；
According to the index major key ID searched from corresponding calculation result table the corresponding dangerous number for calculating type and
Total number.
Further: the calculated result information by after the numeralization is opened up by preset graphic style
Show, comprising:
Quantity based on index sets polygon, and each vertex is connect with central point, generates identical with index quantity
Isometric reference axis, every kind of calculating type use one of those isometric reference axis, according to the index value after numeralization demarcate its
Position in reference axis；
It connects adjacent point and the closed area of quantity setting polygon of the calibration based on index, forms whole numeralization
Indication information；
Numeralization treated the calculated result information is shown by preset graphic style.
Further: the calculated result information after the numeralization is being shown it by preset graphic style
Afterwards, further includes:
The drawing process for repeating coordinate components, shows more batches of calculated result information in the graphic；
Different power grids fortune are compared by the calculated result information of each component of comparison and the information of overall closed area
The superiority and inferiority of line mode.
Further: the calculated result information by comparing each component and the information of overall closed area compare
The superiority and inferiority of different grid operation modes includes: out
Polygon closed area area is used to measure the stability under current trend section；Size can compare
The superiority and inferiority calculated twice out；
Every class Indexes Comparison: every kind of index shows two points all in the same reference axis, close by subapical to be excellent
Central point is difference.
Further: described that the calculated result is carried out by numeralization processing according to rule predetermined, comprising:
To in the power grid security evaluation index dangerous number and result sum quantize.
Further: the power grid security evaluation index be included in electric network data, transient stability, small interference, short circuit current,
Voltage stabilization, static security analysis and stability margin index.
Further: the calculation result table includes multilayer output feedback network result table, small interference calculation result table, short circuit electricity
Stream calculation result table, voltage stabilization calculation result table, static security analysis calculation result table and stability margin calculation result table.
Further: the dangerous number and result sum in the power grid security evaluation index quantizes,
Include:
Transient stability index numeralization: 1- is temporarily steady, and dangerous number/failure is total, and temporarily steady dangerous number is in temporary steady result table
Istable！=0 and Istable！=14 number of jobs, total number are the sum that this time scanning participates in the fault set calculated；
Small interference index value: the small risk of interference number of 1-/result sum, small risk of interference number are small interference result
The tuple quantity of damping ratio al < 0.03 in table, total number are the total small interference calculation of the small interference result of this time scanning the result is that dividing
The tuple quantity of group output；
Voltage stability index numeralization: 1- voltage hazard number/result sum, voltage hazard number are voltage stabilization in table
The number of tuples of limit vsl < 0.1；
Static security analysis index value: the out-of-limit number of 1- static security analysis/cut-off element total number, static security
Dangerous number is the number of tuple in the out-of-limit result table of static security analysis, and total number is to participate in the number of scanning；
Short circuit current index value: 1- voltage hazard number/total number, short circuit risk number are short circuit current result table
The number of tuples of short circuit currents and breaking current ratio > 0.8, total number of tuples in total number, that is, result table；
Stability margin index numeralization: 1- danger number/sum, dangerous number are current active in stability margin result table
With the number of tuples of ratio > 0.8 of the active limit, total number of tuples in total number, that is, result table.
Further: the polygon that the quantity based on index is set is hexagon, the vertex correspondence of the hexagon
Power grid security evaluation index.
It is specific:
Establish the storage system of security evaluation calculated result.Security evaluation calculating includes: multilayer output feedback network, small interference meter
Calculation, static security analysis calculating, calculation of short-circuit current, voltage stabilization calculating, stability margin analytical calculation.The result of storage is distinguished
It is stored in multilayer output feedback network result table, small interference calculation result table, calculation of short-circuit current result table, voltage stabilization calculated result
Table, static security analysis calculation result table, stability margin calculation result table, while and according to one unique index major key of generation
ID, the ID are the index major key of this collection of result.It can search and show that this batch is counted according to this unique ID after in this way
Calculate result information.What is stored in calculation result table is original calculated result information.The purpose of calculating is to measure corresponding trend
The security and stability of section analyzes the weak spot of operation of power networks, searches corresponding counter-measure, avoids operation of power networks accident.
Establish the access schemes of security evaluation calculated result.Client is connected to result database, and according to given ID
It in the dangerous number and total number for finding out corresponding types from corresponding result table, is stored among memory, is following number
Value index is prepared.
Establish the scalarization method of security evaluation calculated result index.The result information numeralization that six kinds calculate type is arrived
In the section of [0,1], the degree of stability that corresponding types calculate is indicated with the numerical value.
Make graphically to show index.By the way of regular hexagon, each vertex is connect with central point, is produced
Raw six isometric reference axis, every kind in this way calculatings type (be pointer type, the corresponding index of every kind of calculatings, calculate type with
Index is one-to-one relationship) one of coordinate axis component can be used, it is demarcated according to the index value after numeralization
Position in reference axis, the display interval on figure is [0,1], and central point is 0, and hexagon vertex is 1, so every kind of index
A line from centre of figure point to vertex is just corresponded to, the region of adjacent point and Colored is finally connected, is formed whole
The stability index information of body.
Establish security evaluation calculated result index control methods.Loading procedure is repeated, the process that quantizes and coordinate components
Drawing process, can show more batches of result indication informations in such figure.By compare each component information and
The information of overall closed area can compare the superiority and inferiority of different running method.
Embodiment two,
Safety and stability calculated result index is described below and shows construction step:
Obtain power grid security evaluation index calculated result；The power grid security evaluation index calculated result is stored in table
In, constitute calculation result table.Carry out power grid security assessment calculated result scanning: system establishes calculated result information bank automatically, packet
Include temporarily steady result table, small interference result table, short circuit current result table, voltage stabilization result table, static security analysis result table, surely
Determine nargin result table etc., calculated result is stored in correspondence database table by simultaneity factor by index field of engineering ID automatically, such as
Shown in table 1 to table 7.
Step 2: it shows that interface obtains the calculated result information of specified engineering: being held in result table according to engineering id field
The corresponding inquiry operation of the row and result for obtaining calculating is stored in local memory.
Step 3: result value will be calculated in memory, scalarization method is as follows:
1) transient stability index numerical value: temporarily steady danger number/failure total number, temporarily steady dangerous number are temporary steady result table to 1-
Middle Istable！=0 and Istable！=14 number of jobs, total number are that this time scanning participates in the total of the fault set calculated
Number.
2) small interference index value: 1-small risk of interference number/result total number, small risk of interference number are small interference knot
The tuple quantity of damping ratio al < 0.03 in fruit table, total number are the total tuple quantity of the small interference result of this time scanning.
3) voltage stability index numerical value: 1- voltage hazard number/result total number, voltage hazard number are that voltage is steady in table
Determine the number of tuples of limit vsl < 0.1.
4) static security analysis index value: the out-of-limit number of 1- static security analysis/cut-off element total number, static security
Dangerous number is the number of tuple in the out-of-limit result table SAOUT_OVER table of static security analysis, total number DSA_CALSET_
The number of scanning is participated in SAINFO table.
5) short circuit current index value: 1- voltage hazard number/total number, short circuit risk number are short circuit current result table
The number of tuples of short circuit currents and breaking current ratio faultcurrent/scclimit > 0.8, it is total in total number, that is, result table
Number of tuples.
6) stability margin index numerical value: 1- danger number/total number, dangerous number are currently to have in stability margin result table
The number of tuples of ratio pcut/pstc > 0.8 of function and the active limit, total number of tuples in total number, that is, result table.
Step 4: graphical representation index value.By the form of positive six side row, central point and vertex are connected to form six solely
Vertical range is that (intersection point of the center of circle 0, round edge and cut-off rule is that 1), class security evaluation every in this way calculates to [0,1] one-dimensional coordinate axis though
A reference axis is occupied, graphical tool is demarcated corresponding point in corresponding reference axis according to previous step evaluation, finally connected
It connects adjacent point and forms a hexagonal pattern, and by closed area coloring, which is system under current way
Monolithic stability degree Fig. 2.More batches of comparison of computational results are in the same hexagon, and same components are with the same coordinate
Axis is superimposed another set of numerical value in the graphic shown in Fig. 3.
Table 1: temporarily steady result table (STOUT)
| Column name | Field name | Field description | Field type |
| Engineering ID | ID | A collection of result unique identification | Int(64) |
| Failure number | Fault_No | Job number | Int(32) |
| Fault element | ID_Name | Fault element title | Varchar(128) |
| Stable state | Istable | Result phase | Int(8) |
| Minimum generator rotor angle generator | Gen_Min_Crit | Minimum generator rotor angle generator | Varchar(128) |
| Maximum generator rotor angle generator | Gen_Max_Crit | Maximum generator rotor angle generator | Varchar(128) |
| Minimum voltage bus | Bus_Min_Crit | Minimum voltage bus | Varchar(128) |
| Minimum voltage | Vol_Min_Crit | Minimum voltage (p.u) | Double(10,6) |
| Low-limit frequency generator | GenW_Min_Crit | Low-limit frequency generator | Varchar(128) |
| Low-limit frequency | WMin_Crit | Low-limit frequency (p.u) | Double(10,6) |
Table 2: small interference result table (SSTOUT)
Table 3: static security analysis result table (SAOUT_OVER)
| Column name | Field name | Field description | Field type |
| Engineering ID | ID | A collection of result unique identification | Int(64) |
| Cut-off element title | ID_Name | Cut-off element title | Varchar(128) |
| Out-of-limit component type | type | Out-of-limit component type | Int(8) |
| Out-of-limit element title | C_Range | Out-of-limit element title | Varchar(128) |
| Out-of-limit percentage | Perc | Out-of-limit percentage (%) | Double(10,6) |
| Limit value | Salimit | Limit value electric current/limit value capacity | Double(10,6) |
Table 4: static security analysis bug list (DSA_CALSET_SAINFO)
| Column name | Field name | Field description | Field type |
| Engineering ID | ID | A collection of result unique identification | Int(64) |
| Task number | TaskID | Task number | Int(32) |
| Component type | IDType | Component type | Int(8) |
| Cut-off element title | IDName | Out-of-limit element title | Varchar(128) |
Table 5: short circuit current result table (SCCOUT)
| Column name | Field name | Field description | Field type |
| Engineering ID | ID | A collection of result unique identification | Int(64) |
| Number | Fault_No | Job number | Int(32) |
| Fault element | FaultElem | Fault element title | Varchar(128) |
| Fault element type | ElemType | Fault element type | Int(8) |
| Short circuit current type | ShortType | Short circuit current type | Int(8) |
| Breaking current | SCCLimit | Breaking current (Ka) | Double(10,6) |
| Short circuit current | FaultCurrent | Short circuit current (Ka) | Double(10,6) |
Table 6: voltage stabilization result table (VSOUT)
| Column name | Field name | Field description | Field type |
| Engineering ID | ID | A collection of result unique identification | Int(64) |
| Number | Fault_No | Job number | Int(32) |
| Voltage stability limit | VSL | Voltage stability limit (%) | Varchar(128) |
| Minimum voltage bus | Bus_Min_Crit | Minimum voltage bus | Varchar(128) |
| Minimum voltage | Vol_Min_Crit | Minimum voltage (Kv) | Double(10,6) |
Table 7: stability margin result table (TTCOUTPUT)
Embodiment three,
Based on same inventive concept, the present invention also provides a kind of graphical representation systems of power grid security evaluation index
System, comprising:
Module is obtained, for obtaining power grid security evaluation index calculated result；
Quantize module, for the calculated result to be carried out numeralization processing according to rule predetermined；
Display module, for by numeralization treated the calculated result information by the progress of preset graphic style
It shows.
Further: further including memory module, for the power grid security evaluation index calculated result to be stored in table
In, constitute calculation result table.
Further: before the numeralization that the calculation result table is carried out to calculated result information, further includes:
Computing module, for generating unique index major key ID according to the power grid security evaluation index calculated result of calculating, and
It stores into corresponding calculation result table；
Searching module, for searching corresponding calculating type from corresponding calculation result table according to the index major key ID
Dangerous number and total number.
Further: the numeralization module, comprising:
Unit is demarcated, polygon is set for the quantity based on index, each vertex is connect with central point, generates and refers to
The identical isometric reference axis of quantity is marked, every kind of calculating type uses one of those isometric reference axis, according to the finger after numeralization
Scale value demarcates its position in reference axis；
Unit is formed, for connecting adjacent point and the closed area of quantity setting polygon of the calibration based on index, shape
The indication information of integral numeralization；
Display unit, for the indication information of the numeralization to be shown by preset graphic style.
Further: the calculated result information after the numeralization is being shown it by preset graphic style
Afterwards, further includes:
Replicated blocks show more batches of calculated result information for repeating the drawing process of coordinate components in the graphic；
Comparison module, the information for calculated result information and overall closed area by comparing each component compare
The superiority and inferiority of different grid operation modes out.
Further: the numeralization module is also used to:
To in the power grid security evaluation index dangerous number and result sum quantize.
Further: the power grid security evaluation index be included in electric network data, transient stability, small interference, short circuit current,
Voltage stabilization, static security analysis and stability margin index.
Further: the calculation result table includes multilayer output feedback network result table, small interference calculation result table, short circuit electricity
Stream calculation result table, voltage stabilization calculation result table, static security analysis calculation result table and stability margin calculation result table.
Further: the numeralization module, comprising:
Transient stability index numeralization unit, quantizes for transient stability index: temporarily steady danger number/failure is total by 1-
Number, temporarily steady dangerous number are Istable in temporarily steady result table！=0 and Istable！=14 number of jobs, total number is should
Secondary scanning participates in the sum of the fault set calculated；
Small interference index value unit is used for small interference index value: the small risk of interference number of 1-/result sum,
Small risk of interference number is the tuple quantity of damping ratio al < 0.03 in small interference result table, and total number is that this time scans small interference
As a result total small interference calculation is the result is that the tuple quantity that grouping exports；
Voltage stability index numeralization unit, quantize for voltage stability index: 1- voltage hazard number/result is total
Number, voltage hazard number are the number of tuples of voltage stability limit vsl < 0.1 in table；
Static security analysis index value unit is used for static security analysis index value: 1- static security analysis
Out-of-limit number/cut-off element total number, static security danger number is the number of tuple in the out-of-limit result table of static security analysis,
Total number is to participate in the number of scanning；
Short circuit current index value unit is used for short circuit current index value: 1- voltage hazard number/total number,
Short circuit risk number is the number of tuples of short circuit current result table short circuit currents and breaking current ratio > 0.8, total number, that is, result
Total number of tuples in table；
Stability margin index numeralization unit, quantizes for stability margin index: 1- danger number/sum, and dangerous
Counting is the current active number of tuples with ratio > 0.8 of the active limit in stability margin result table, in total number, that is, result table always
Number of tuples.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, although referring to above-described embodiment pair
The present invention is described in detail, those of ordinary skill in the art still can to a specific embodiment of the invention into
Row modification perhaps equivalent replacement these without departing from any modification of spirit and scope of the invention or equivalent replacement, applying
Within pending claims of the invention.
Claims (20)
1. a kind of graphical representation method of power grid security evaluation index, it is characterised in that:
Obtain power grid security evaluation index calculated result；
The calculated result is subjected to numeralization processing according to rule predetermined；
Numeralization treated the calculated result information is shown by preset graphic style.
2. graphical representation method as described in claim 1, it is characterised in that: calculate the power grid security evaluation index and tie
Fruit is stored in table, constitutes calculation result table.
3. graphical representation method as claimed in claim 2, it is characterised in that: the calculation result table is being carried out calculating knot
Before the numeralization of fruit information, further includes:
Unique index major key ID is generated according to the power grid security evaluation index calculated result of calculating, and stores to corresponding and calculates knot
In fruit table；
The corresponding dangerous number for calculating type and total are searched from corresponding calculation result table according to the index major key ID
Number.
4. graphical representation method as described in claim 1, it is characterised in that: the calculated result by after the numeralization
Information is shown by preset graphic style, comprising:
Quantity based on index sets polygon, and each vertex is connect with central point, generates identical with index quantity isometric
Reference axis, every kind of calculating type use one of those isometric reference axis, demarcate it in coordinate according to the index value after numeralization
Position on axis；
It connects adjacent point and the closed area of quantity setting polygon of the calibration based on index, forms the finger of whole numeralization
Mark information；
Numeralization treated the calculated result information is shown by preset graphic style.
5. graphical representation method as claimed in claim 4, it is characterised in that: believe by the calculated result after the numeralization
After breath is shown by preset graphic style, further includes:
The drawing process for repeating coordinate components, shows more batches of calculated result information in the graphic；
Different operation of power networks sides are compared by the calculated result information of each component of comparison and the information of overall closed area
The superiority and inferiority of formula.
6. graphical representation method as claimed in claim 5, it is characterised in that: the calculating knot by comparing each component
The superiority and inferiority that fruit information and the information of overall closed area compare different grid operation modes includes:
Polygon closed area area is used to measure the stability under current trend section；Size can compare two
The superiority and inferiority of secondary calculating；
Every class Indexes Comparison: every kind of index shows two points all in the same reference axis, and leaning on subapical is excellent, close center
Point is difference.
7. graphical representation method as claimed in claim 2, it is characterised in that: it is described will be described according to rule predetermined
Calculated result carries out numeralization processing, comprising:
To in the power grid security evaluation index dangerous number and result sum quantize.
8. graphical representation method as claimed in claim 7, it is characterised in that: the power grid security evaluation index is included in electricity
Network data, transient stability, small interference, short circuit current, voltage stabilization, static security analysis and stability margin index.
9. graphical representation method as claimed in claim 8, it is characterised in that: the calculation result table includes transient stability meter
Calculate result table, small interference calculation result table, calculation of short-circuit current result table, voltage stabilization calculation result table, static security analysis
Calculation result table and stability margin calculation result table.
10. graphical representation method as claimed in claim 9, it is characterised in that: described to the power grid security evaluation index
In dangerous number and result sum quantize, comprising:
Transient stability index numeralization: 1- is temporarily steady, and dangerous number/failure is total, and temporarily steady dangerous number is in temporary steady result table
Istable！=0 and Istable！=14 number of jobs, total number are the sum that this time scanning participates in the fault set calculated；
Small interference index value: the small risk of interference number of 1-/result sum, small risk of interference number are in small interference result table
The tuple quantity of damping ratio al < 0.03, total number are the total small interference calculation of the small interference result of this time scanning the result is that grouping is defeated
Tuple quantity out；
Voltage stability index numeralization: 1- voltage hazard number/result sum, voltage hazard number are voltage stability limit in table
The number of tuples of vsl < 0.1；
Static security analysis index value: the out-of-limit number of 1- static security analysis/cut-off element total number, static security is dangerous
Number is the number of tuple in the out-of-limit result table of static security analysis, and total number is to participate in the number of scanning；
Short circuit current index value: 1- voltage hazard number/total number, short circuit risk number are short in short circuit current result table
The number of tuples of road electric current and breaking current ratio > 0.8, total number of tuples in total number, that is, result table；
Stability margin index numeralization: 1- danger number/sum, dangerous number be stability margin result table in currently it is active with have
The number of tuples of ratio > 0.8 of the function limit, total number of tuples in total number, that is, result table.
11. graphical representation method as claimed in claim 8, it is characterised in that: the quantity based on index sets more
Side shape is hexagon, the vertex correspondence power grid security evaluation index of the hexagon.
12. a kind of graphical representation system of power grid security evaluation index, it is characterised in that:
Module is obtained, for obtaining power grid security evaluation index calculated result；
Quantize module, for the calculated result to be carried out numeralization processing according to rule predetermined；
Display module, for opening up numeralization treated the calculated result information by preset graphic style
Show.
13. graphical representation system as claimed in claim 12, it is characterised in that: further include memory module, being used for will be described
Power grid security evaluation index calculated result is stored in table, constitutes calculation result table.
14. graphical representation system as claimed in claim 13, it is characterised in that: calculated by the calculation result table
Before the numeralization of result information, further includes:
Computing module for generating unique index major key ID according to the power grid security evaluation index calculated result of calculating, and stores
Into corresponding calculation result table；
Searching module, for searching the corresponding danger for calculating type from corresponding calculation result table according to the index major key ID
Number and total number.
15. graphical representation system as claimed in claim 12, it is characterised in that: the numeralization module, comprising:
Unit is demarcated, polygon is set for the quantity based on index, each vertex is connect with central point, generate and index number
Identical isometric reference axis is measured, every kind of calculating type uses one of those isometric reference axis, according to the index value after numeralization
Demarcate its position in reference axis；
Unit is formed, for connecting adjacent point and the closed area of quantity setting polygon of the calibration based on index, is formed whole
The indication information of the numeralization of body；
Display unit, for the indication information of the numeralization to be shown by preset graphic style.
16. graphical representation system as claimed in claim 12, it is characterised in that: by the calculated result after the numeralization
After information is shown by preset graphic style, further includes:
Replicated blocks show more batches of calculated result information for repeating the drawing process of coordinate components in the graphic；
Comparison module, the information for calculated result information and overall closed area by comparing each component compare not
With the superiority and inferiority of grid operation mode.
17. graphical representation system as claimed in claim 12, it is characterised in that: the numeralization module is also used to:
To in the power grid security evaluation index dangerous number and result sum quantize.
18. graphical representation system as claimed in claim 17, it is characterised in that: the power grid security evaluation index is included in
Electric network data, transient stability, small interference, short circuit current, voltage stabilization, static security analysis and stability margin index.
19. graphical representation method as claimed in claim 18, it is characterised in that: the calculation result table includes transient stability
Calculation result table, small interference calculation result table, calculation of short-circuit current result table, voltage stabilization calculation result table, static security point
Analyse calculation result table and stability margin calculation result table.
20. graphical representation system as claimed in claim 19, it is characterised in that: the numeralization module, comprising:
Transient stability index numeralization unit, quantizes for transient stability index: the temporary steady danger number/failure sum of 1-, temporarily
Steady danger number is Istable in temporary steady result table！=0 and Istable！=14 number of jobs, total number are that this time is swept
Retouch the sum for participating in the fault set calculated；
Small interference index value unit is used for small interference index value: the small risk of interference number of 1-/result sum, small dry
The tuple quantity that dangerous number is damping ratio al < 0.03 in small interference result table is disturbed, total number is that this time scans small interference result
Total small interference calculation is the result is that the tuple quantity that grouping exports；
Voltage stability index numeralization unit, quantizes for voltage stability index: 1- voltage hazard number/result sum, electricity
Pressing dangerous number is the number of tuples of voltage stability limit vsl < 0.1 in table；
Static security analysis index value unit, be used for static security analysis index value: 1- static security analysis is out-of-limit
Number/cut-off element total number, static security danger number is the number of tuple in the out-of-limit result table of static security analysis, total
The number that number scans for participation；
Short circuit current index value unit is used for short circuit current index value: 1- voltage hazard number/total number, short circuit
Dangerous number is the number of tuples of short circuit current result table short circuit currents and breaking current ratio > 0.8, in total number, that is, result table
Total number of tuples；
Stability margin index numeralization unit, quantize for stability margin index: 1- danger number/sum, dangerous number are
The current active number of tuples with ratio > 0.8 of the active limit in stability margin result table, total tuple in total number, that is, result table
Number.
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