CN105184684A - Power grid running state informatization method and system - Google Patents
Power grid running state informatization method and system Download PDFInfo
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- CN105184684A CN105184684A CN201510654036.6A CN201510654036A CN105184684A CN 105184684 A CN105184684 A CN 105184684A CN 201510654036 A CN201510654036 A CN 201510654036A CN 105184684 A CN105184684 A CN 105184684A
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Abstract
Provided is a power grid running state informatization method and system. The method comprises steps of: acquiring the device type and the device position information of an element device, and determining a point to be detected and the to-be-detected position information of the point to be detected according to the device type and the device position information; acquiring the monitoring position information and the monitoring meteorological information of a meteorological monitoring point, and determining the to-be-detected meteorological information of the point to be detected according to the to-be-detected position information, the monitoring position information, and the monitoring meteorological information; determining the device meteorological information of the element device according to the device type and the to-be-detected meteorological information and acquiring the device electrical information of the element device, wherein a power grid running state includes the device electrical information and the device meteorological information of each element device. Since the power grid running state includes the device electrical information and the device meteorological information of each element device, a result of power system safety and stability analysis performed by using the power grid running state acquired by the power grid running state informatization method or system is accurate.
Description
Technical field
The present invention relates to field of power, particularly relate to a kind of operation of power networks status information method and system.
Background technology
Operation of power networks state refers to electrical network in different service condition (as load level, to exert oneself configuration, system wiring, fault etc.) under the working condition of electric network element equipment, it can reflect network topology situation in operation of power networks process and trend distribution situation.Power system safety and stability analysis modeling analysis based on operation of power networks state obtains.In current dispatching of power netwoks control model, the typical operation of power networks state of Operation of Electric Systems personnel general, by power grid security analysis tool, obtains the safe operation rule of electrical network under typical operation, comes the safe operation space of regulation electrical network.
Along with the fast development of alternating current-direct current electrical network, regenerative resource and controllable burden ratio constantly increase, and time variation and the complicacy of power system operating mode strengthen day by day, increase the operation risk of electrical network and control difficulty.The safe operation of electrical network not only associates with electricabsorption agent closely, also closely bound up with non-electrical factors such as meteorologies, and these non-electrical factor impacts on electrical network just progressively expand.At present, in the information-based method of operation of power networks state, do not consider non-electrical factor, cause power system safety and stability analysis result not accurate enough.
Summary of the invention
Based on this, be necessary that providing a kind of considers climatic factor, improves the operation of power networks status information method and system of power system safety and stability analysis result accuracy.
A kind of operation of power networks status information method, comprises step:
Obtain the device type of component equipment and device location information, and according to the positional information to be measured of described device type and described device location information determination tested point and described tested point;
Obtain monitoring location information and the monitoring weather information of weather monitoring point, according to described positional information to be measured, described monitoring location information and described monitoring weather information, determine the weather information to be measured of described tested point;
According to described device type and described weather information to be measured, determine the equipment weather information of described component equipment, and obtain the equipment electric information of described component equipment; Described operation of power networks state comprises the described equipment electric information of component equipment described in each and described equipment weather information.
Above-mentioned operation of power networks status information method, obtains the device type of component equipment and device location information, and according to the positional information to be measured of described device type and described device location information determination tested point and described tested point; Obtain monitoring location information and the monitoring weather information of weather monitoring point, according to described positional information to be measured, described monitoring location information and described monitoring weather information, determine the weather information to be measured of described tested point; According to described device type and described weather information to be measured, determine the equipment weather information of described component equipment, and obtain the equipment electric information of described component equipment; Described operation of power networks state comprises the described equipment electric information of component equipment described in each and described equipment weather information.Because described operation of power networks state comprises the described equipment electric information of component equipment described in each and described equipment weather information, therefore the analysis result that the operation of power networks state using this operation of power networks status information method to obtain carries out power system safety and stability analysis is more accurate.
A kind of operation of power networks status information system, comprising:
Tested point determination module, for obtaining device type and the device location information of component equipment, and according to the positional information to be measured of described device type and described device location information determination tested point and described tested point;
Meteorological determination module to be measured, for obtaining monitoring location information and the monitoring weather information of weather monitoring point, according to described positional information to be measured, described monitoring location information and described monitoring weather information, determines the weather information to be measured of described tested point;
The meteorological determination module of equipment, for according to described device type and described weather information to be measured, determines the equipment weather information of described component equipment, and obtains the equipment electric information of described component equipment; Described operation of power networks state comprises the described equipment electric information of component equipment described in each and described equipment weather information.
Above-mentioned operation of power networks status information system, tested point determination module obtains the device type of component equipment and device location information, and according to the positional information to be measured of described device type and described device location information determination tested point and described tested point; Meteorological determination module to be measured obtains monitoring location information and the monitoring weather information of weather monitoring point, according to described positional information to be measured, described monitoring location information and described monitoring weather information, determines the weather information to be measured of described tested point; The meteorological determination module of equipment, according to described device type and described weather information to be measured, is determined the equipment weather information of described component equipment, and is obtained the equipment electric information of described component equipment; Described operation of power networks state comprises the described equipment electric information of component equipment described in each and described equipment weather information.Because described operation of power networks state comprises the described equipment electric information of component equipment described in each and described equipment weather information, therefore the analysis result that the operation of power networks state using this operation of power networks status information system to obtain carries out power system safety and stability analysis is more accurate.
Accompanying drawing explanation
Fig. 1 is a kind of process flow diagram of operation of power networks status information method of embodiment;
Fig. 2 is the particular flow sheet of a step of the operation of power networks status information method of Fig. 1;
Fig. 3 is the schematic diagram of node type component equipment;
Fig. 4 is the schematic diagram of connecting line type component equipment;
Fig. 5 is the particular flow sheet of another step of the operation of power networks status information method of Fig. 1;
Fig. 6 is the process flow diagram of details more specifically of a step of Fig. 5;
Fig. 7 is a kind of structural drawing of operation of power networks status information system of embodiment;
Fig. 8 is the cellular construction figure of a module of the operation of power networks status information system of Fig. 7;
Fig. 9 is the cellular construction figure of another module of the operation of power networks status information system of Fig. 7;
Figure 10 is the sub-unit structure figure of a unit of the cellular construction figure of Fig. 9.
Embodiment
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Preferred embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present invention more comprehensively thorough.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe specific embodiment, is not intended to be restriction the present invention.Term as used herein " or/and " comprise arbitrary and all combinations of one or more relevant Listed Items.
As shown in Figure 1, a kind of operation of power networks status information method of embodiment, comprises step:
S110: obtain the device type of component equipment and device location information, and according to the positional information to be measured of described device type and described device location information determination tested point and described tested point.
According to component equipment be divided into two kinds across the device type of the situation component equipment of geographic area: one is that institute is less across geographic area, can abstractly be the node type component equipment of node, such as generator, transformer etc.; Another kind is that institute is comparatively large across geographic area, can abstractly be the connecting line type component equipment of line, such as circuit etc.Device type comprises node type and connecting line type.Node type component equipment can determine the positional information to be measured of a tested point and tested point according to the device location information of component equipment; Connecting line type component equipment can determine the positional information to be measured of multiple tested point and multiple tested point according to the device location information of component equipment.Particularly, the mode of line chart being drawn square node can be connected by the geography at component equipment and weather monitoring point, determine the positional information to be measured of tested point corresponding to connecting line type component equipment and described tested point.
Wherein in an embodiment, the step of the positional information to be measured according to described device type and described device location information determination tested point and described tested point of step S110, as shown in Figure 2, comprising:
S111: judge described device type.
If described device type is node type, then perform step S113.If described device type is connecting line type, then perform step S115.
S113: determine that described tested point is the point at described component equipment place, described positional information to be measured is described device location information.
If described device type is node type, as shown in Figure 3, the quantity of described tested point is one, can determine that described positional information to be measured is the device location information of described component equipment.
S115: connect on line chart at the geography of described component equipment and weather monitoring point and draw square node, and determine that described tested point is four summits of each grid of described component equipment process, described positional information to be measured is the positional information on four summits of each grid of described component equipment process.
If described device type is connecting line type, as shown in Figure 4, the quantity of described tested point is multiple, can determine that described positional information to be measured is the positional information on four summits of each grid of described component equipment process.In the diagram, four summits of second grid of connecting line type component equipment process represent with A, B, C, D respectively; Each weather monitoring point is respectively: A
1(x
1, y
1), A
2(x
2, y
2), A
3(x
3, y
3) ..., A
n(x
n, y
n), wherein n is the quantity of weather monitoring point.
S120: the monitoring location information and the monitoring weather information that obtain weather monitoring point, according to described positional information to be measured, described monitoring location information and described monitoring weather information, determines the weather information to be measured of described tested point.
According to described positional information to be measured, described monitoring location information and described monitoring weather information, when determining the weather information to be measured of described tested point, two kinds of situations can be divided into:
(1) if described positional information to be measured and described monitoring location information distance are in specialized range, that is, when being provided with weather monitoring point near tested point, can determine that the monitoring weather information got is the weather information to be measured of tested point.
(2) if described positional information to be measured and described monitoring location information distance be not in specialized range, that is, when not arranging weather monitoring point near tested point, step S120 comprises step S130 and step S150.
Understandably, in certain embodiments, both of these case, step S120 can comprise step S130 and step S150.
S170: according to described device type and described weather information to be measured, determine the equipment weather information of described component equipment, and obtain the equipment electric information of described component equipment.Described operation of power networks state comprises the described equipment electric information of component equipment described in each and described equipment weather information.
The mode obtaining the equipment electric information of described component equipment can be, by arranging electric information harvester, gathers the equipment electric information of the component equipment in electrical network.So, equipment electric information can be obtained by harvester.
According to described device type and described weather information to be measured, determine that the equipment weather information of described component equipment also can be divided into two kinds of situations:
(1) if described device type is node type, the quantity of tested point is one, can determine that the weather information to be measured of tested point is equipment weather information.
(2) if described device type is connecting line type, described equipment weather information is distributed weather information, and described distributed weather information is the mean value of the weather information to be measured on four summits of each grid of described component equipment process.
Above-mentioned operation of power networks status information method, obtains the device type of component equipment and device location information, and according to the positional information to be measured of described device type and described device location information determination tested point and described tested point; Obtain monitoring location information and the monitoring weather information of weather monitoring point, according to described positional information to be measured, described monitoring location information and described monitoring weather information, determine the weather information to be measured of described tested point; According to described device type and described weather information to be measured, determine the equipment weather information of described component equipment, and obtain the equipment electric information of described component equipment; Described operation of power networks state comprises the described equipment electric information of component equipment described in each and described equipment weather information.Because described operation of power networks state comprises the described equipment electric information of component equipment described in each and described equipment weather information, therefore the analysis result that the operation of power networks state using this operation of power networks status information method to obtain carries out power system safety and stability analysis is more accurate.
Wherein in an embodiment, as shown in Figure 5, step S120 comprises step S130 and step S150.
S130: obtain the monitoring location information with the weather monitoring point of tested point distance in preset range in electrical network, and according to described positional information to be measured and described monitoring location information, determines that described weather monitoring point affects weights to described tested point.
Monitoring location information comprises coordinate information, and as shown in Figure 4, the coordinate information of each weather monitoring point (representing by open circles) is designated as respectively: A
1(x
1, y
1), A
2(x
2, y
2), A
3(x
3, y
3) ..., A
n(x
n, y
n), wherein, n is the quantity of the weather monitoring point in electrical network with tested point distance in preset range; And the coordinate information of the positional information to be measured of tested point (representing by filled circles) is designated as: T (x, y).So, can according to each coordinate information of weather monitoring point and the coordinate information of tested point, determine that each weather monitoring point affects weights to described tested point.
Particularly, described in the determination of step S130, weather monitoring point is on the step affecting weights of described tested point, as shown in Figure 6, comprising:
S133: according to described positional information to be measured and described monitoring location information, determines the distance of described tested point to described weather monitoring point.
Coordinate information according to the coordinate information of the positional information to be measured of tested point and the monitoring location information of each weather monitoring point can determine that tested point minute is clipped to the distance of each weather monitoring point, and wherein, tested point is to the distance d of i-th weather monitoring point
irepresent, wherein, the scope of i is 1-n.
S135: according to described distance, determines that described weather monitoring point affects weights to described tested point.
I-th weather monitoring point affects weights α to tested point
irepresent, α
idetermination formula can be:
S150: obtain the monitoring weather information with the weather monitoring point of tested point distance in preset range in electrical network, affect weights and described monitoring weather information according to described, determine the weather information to be measured of described tested point.
Describe the weather information of meteorological condition and can be divided into continuous data (as temperature, humidity and wind-force) and discrete data (as become a fine day, rain, the weather condition such as to snow).Its actual value is directly recorded for continuous data; For discrete data, use 0-1 variable description.Whether, such as, for raining, can represent do not rain with 0,1 represents rainy.In the present embodiment, monitoring weather information and weather information to be measured all belong to weather information.
The monitoring weather information f (x of i-th weather monitoring point
i, y
i) represent, the weather information f to be measured of a jth tested point
j(x
i, y
i) represent, f
j(x
i, y
i) determination formula can be:
Wherein, m is the quantity of tested point; M can be the multiple of 1 or 4.
For continuous data, get f
j(x
i, y
i) value be and pass through f
j(x
i, y
i) the value required by determination formula.For discrete data, when also can determine as required be greater than or be more than or equal to predetermined value, f
j(x
i, y
i) value be 1; Otherwise, be 0.In the present embodiment, f is got
j(x
i, y
i) value be immediate state value, namely preset value is 0.5.
When the quantity of tested point is one, namely device type is node type, can determine that the weather information of equipment is the weather information f to be measured of first tested point
1(x
i, y
i).
When the quantity of tested point is multiple, namely device type is connecting line type, and equipment weather information is distributed weather information, can determine that described distributed weather information is the mean value of the weather information to be measured on four summits of each grid of described component equipment process.Now, the value of m is the multiple of 4.Distributed weather information comprises m/4 item number certificate.Every item number certificate is the mean value of four summits as the weather information to be measured of tested point of each grid of component equipment process.
As shown in Figure 7, a kind of operation of power networks status information system of embodiment, comprising:
Tested point determination module 110, for obtaining device type and the device location information of component equipment, and according to the positional information to be measured of described device type and described device location information determination tested point and described tested point.
According to component equipment be divided into two kinds across the device type of the situation component equipment of geographic area: one is that institute is less across geographic area, can abstractly be the node type component equipment of node, such as generator, transformer etc.; Another kind is that institute is comparatively large across geographic area, can abstractly be the connecting line type component equipment of line, such as circuit etc.Device type comprises node type and connecting line type.Node type component equipment can determine the positional information to be measured of a tested point and tested point according to the device location information of component equipment; Connecting line type component equipment can determine the positional information to be measured of multiple tested point and multiple tested point according to the device location information of component equipment.Particularly, the mode of line chart being drawn square node can be connected by the geography at component equipment and weather monitoring point, determine the positional information to be measured of tested point corresponding to connecting line type component equipment and described tested point.
Wherein in an embodiment, tested point determination module 110, as shown in Figure 8, comprising:
Type judging unit 111, for judging described device type.
If described device type is node type, then XM type determining unit 113.If described device type is connecting line type, then perform connecting line type determining unit 115.
Node type determining unit 113, for determining that described tested point is the point at described component equipment place, described positional information to be measured is described device location information.
If described device type is node type, as shown in Figure 3, the quantity of described tested point is one, can determine that described positional information to be measured is the device location information of described component equipment.
Connecting line type determining unit 115, square node is drawn for connecting on line chart at the geography of described component equipment and weather monitoring point, and determine that described tested point is four summits of each grid of described component equipment process, described positional information to be measured is the positional information on four summits of each grid of described component equipment process.
If described device type is connecting line type, as shown in Figure 4, the quantity of described tested point is multiple, can determine that described positional information to be measured is the positional information on four summits of each grid of described component equipment process.In the diagram, four summits of second grid of connecting line type component equipment process represent with A, B, C, D respectively; Each weather monitoring point is respectively: A
1(x
1, y
1), A
2(x
2, y
2), A
3(x
3, y
3) ..., A
n(x
n, y
n), wherein n is the quantity of weather monitoring point.
Meteorological determination module 120 to be measured, for obtaining monitoring location information and the monitoring weather information of weather monitoring point, according to described positional information to be measured, described monitoring location information and described monitoring weather information, determines the weather information to be measured of described tested point.
According to described positional information to be measured, described monitoring location information and described monitoring weather information, when determining the weather information to be measured of described tested point, two kinds of situations can be divided into:
(1) if described positional information to be measured and described monitoring location information distance are in specialized range, that is, when being provided with weather monitoring point near tested point, can determine that the monitoring weather information got is the weather information to be measured of tested point.
(2) if described positional information to be measured and described monitoring location information distance be not in specialized range, namely, when not arranging weather monitoring point near tested point, meteorological determination module 120 to be measured comprises step affects weights determining unit 130 and meteorological determining unit 150 to be measured.
Understandably, in certain embodiments, both of these case, meteorological determination module 120 to be measured can comprise affects weights determining unit 130 and meteorological determining unit 150 to be measured.
The meteorological determination module 170 of equipment, for according to described device type and described weather information to be measured, determines the equipment weather information of described component equipment, and obtains the equipment electric information of described component equipment.Described operation of power networks state comprises the described equipment electric information of component equipment described in each and described equipment weather information.
The mode obtaining the equipment electric information of described component equipment can be, by arranging electric information harvester, gathers the equipment electric information of the component equipment in electrical network.So, equipment electric information can be obtained by harvester.
According to described device type and described weather information to be measured, determine that the equipment weather information of described component equipment also can be divided into two kinds of situations:
(1) if described device type is node type, the quantity of tested point is one, can determine that the weather information to be measured of tested point is equipment weather information.
(2) if described device type is connecting line type, described equipment weather information is distributed weather information, and described distributed weather information is the mean value of the weather information to be measured on four summits of each grid of described component equipment process.
Above-mentioned operation of power networks status information system, tested point determination module 110 obtains device type and the device location information of component equipment, and according to the positional information to be measured of described device type and described device location information determination tested point and described tested point; Meteorological determination module 120 to be measured obtains monitoring location information and the monitoring weather information of weather monitoring point, according to described positional information to be measured, described monitoring location information and described monitoring weather information, determines the weather information to be measured of described tested point; The meteorological determination module 170 of equipment, according to described device type and described weather information to be measured, is determined the equipment weather information of described component equipment, and is obtained the equipment electric information of described component equipment; Described operation of power networks state comprises the described equipment electric information of component equipment described in each and described equipment weather information.Because described operation of power networks state comprises the described equipment electric information of component equipment described in each and described equipment weather information, therefore the analysis result that the operation of power networks state using this operation of power networks status information system to obtain carries out power system safety and stability analysis is more accurate.
Wherein in an embodiment, as shown in Figure 9, meteorological determination module 120 to be measured comprises affects weights determining unit 130 and meteorological determining unit 150 to be measured.
Affect weights determining unit 130, for obtaining the monitoring location information of the weather monitoring point in electrical network with tested point distance in preset range, and according to described positional information to be measured and described monitoring location information, determine that described weather monitoring point affects weights to described tested point.
Monitoring location information comprises coordinate information, and as shown in Figure 4, the coordinate information of each weather monitoring point (representing by open circles) is designated as respectively: A
1(x
1, y
1), A
2(x
2, y
2), A
3(x
3, y
3) ..., A
n(x
n, y
n), wherein, n is the quantity of the weather monitoring point in electrical network with tested point distance in preset range; And the coordinate information of the positional information to be measured of tested point (representing by filled circles) is designated as: T (x, y).So, can according to each coordinate information of weather monitoring point and the coordinate information of tested point, determine that each weather monitoring point affects weights to described tested point.
Particularly, affect weights determining unit 130, as shown in Figure 10, comprising:
Distance determines subelement 133, for according to described positional information to be measured and described monitoring location information, determines the distance of described tested point to described weather monitoring point.
Coordinate information according to the coordinate information of the positional information to be measured of tested point and the monitoring location information of each weather monitoring point can determine that tested point minute is clipped to the distance of each weather monitoring point, and wherein, tested point is to the distance d of i-th weather monitoring point
irepresent, wherein, the scope of i is 1-n.
Weights determination subelement 135, for according to described distance, determines that described weather monitoring point affects weights to described tested point.
I-th weather monitoring point affects weights α to tested point
irepresent, α
idetermination formula can be:
Meteorological determining unit 150 to be measured, for obtaining the monitoring weather information of the weather monitoring point in electrical network with tested point distance in preset range, affecting weights and described monitoring weather information according to described, determining the weather information to be measured of described tested point.
Describe the weather information of meteorological condition and can be divided into continuous data (as temperature, humidity and wind-force) and discrete data (as become a fine day, rain, the weather condition such as to snow).Its actual value is directly recorded for continuous data; For discrete data, use 0-1 variable description.Whether, such as, for raining, can represent do not rain with 0,1 represents rainy.In the present embodiment, monitoring weather information and weather information to be measured all belong to weather information.
The monitoring weather information f (x of i-th weather monitoring point
i, y
i) represent, the weather information f to be measured of a jth tested point
j(x
i, y
i) represent, f
j(x
i, y
i) determination formula can be:
Wherein, m is the quantity of tested point; M can be the multiple of 1 or 4.
For continuous data, get f
j(x
i, y
i) value be and pass through f
j(x
i, y
i) the value required by determination formula.For discrete data, when also can determine as required be greater than or be more than or equal to predetermined value, f
j(x
i, y
i) value be 1; Otherwise, be 0.In the present embodiment, f is got
j(x
i, y
i) value be immediate state value, namely preset value is 0.5.
When the quantity of tested point is one, namely device type is node type, can determine that the weather information of equipment is the weather information f to be measured of first tested point
1(x
i, y
i).
When the quantity of tested point is multiple, namely device type is connecting line type, and equipment weather information is distributed weather information, can determine that described distributed weather information is the mean value of the weather information to be measured on four summits of each grid of described component equipment process.Now, the value of m is the multiple of 4.Distributed weather information comprises m/4 item number certificate.Every item number certificate is the mean value of four summits as the weather information to be measured of tested point of each grid of component equipment process.
Above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make multiple distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. an operation of power networks status information method, is characterized in that, comprise step:
Obtain the device type of component equipment and device location information, and according to the positional information to be measured of described device type and described device location information determination tested point and described tested point;
Obtain monitoring location information and the monitoring weather information of weather monitoring point, according to described positional information to be measured, described monitoring location information and described monitoring weather information, determine the weather information to be measured of described tested point;
According to described device type and described weather information to be measured, determine the equipment weather information of described component equipment, and obtain the equipment electric information of described component equipment; Described operation of power networks state comprises the described equipment electric information of component equipment described in each and described equipment weather information.
2. operation of power networks status information method according to claim 1, it is characterized in that, the monitoring location information of described acquisition weather monitoring point and monitoring weather information, according to described positional information to be measured, described monitoring location information and described monitoring weather information, determine the step of the weather information to be measured of described tested point, comprising:
Obtain the monitoring location information with the weather monitoring point of described tested point distance in preset range in electrical network, and according to described positional information to be measured and described monitoring location information, determine that described weather monitoring point affects weights to described tested point;
Obtain the monitoring weather information with the weather monitoring point of described tested point distance in preset range in electrical network, affect weights and described monitoring weather information according to described, determine the weather information to be measured of described tested point.
3. operation of power networks status information method according to claim 2, is characterized in that, described according to described positional information to be measured and described monitoring location information, determines the step that affect weights of described weather monitoring point on described tested point, comprising:
According to described positional information to be measured and described monitoring location information, determine the distance of described tested point to described weather monitoring point;
According to described distance, determine that described weather monitoring point affects weights to described tested point;
I-th weather monitoring point affects weights α to tested point
irepresent, α
idetermination formula be:
Wherein, n is the quantity of the described weather monitoring point in electrical network with described tested point distance in preset range.
4. operation of power networks status information method according to claim 3, is characterized in that,
The monitoring weather information f (x of i-th weather monitoring point
i, y
i) represent, the weather information f to be measured of a jth tested point
j(x
i, y
i) represent, f
j(x
i, y
i) determination formula be:
Wherein, m is the quantity of tested point; M is the multiple of 1 or 4.
5. operation of power networks status information method according to claim 1, is characterized in that, the step of the described positional information to be measured according to described device type and described device location information determination tested point and described tested point, comprising:
Judge described device type;
If described device type is node type, determine that described tested point is the point at described component equipment place, described positional information to be measured is described device location information;
If described device type is connecting line type, connect on line chart at the geography of described component equipment and weather monitoring point and draw square node, and determine that described tested point is four summits of each grid of described component equipment process, described positional information to be measured is the positional information on four summits of each grid of described component equipment process.
6. an operation of power networks status information system, is characterized in that, comprising:
Tested point determination module, for obtaining device type and the device location information of component equipment, and according to the positional information to be measured of described device type and described device location information determination tested point and described tested point;
Meteorological determination module to be measured, for obtaining monitoring location information and the monitoring weather information of weather monitoring point, according to described positional information to be measured, described monitoring location information and described monitoring weather information, determines the weather information to be measured of described tested point;
The meteorological determination module of equipment, for according to described device type and described weather information to be measured, determines the equipment weather information of described component equipment, and obtains the equipment electric information of described component equipment; Described operation of power networks state comprises the described equipment electric information of component equipment described in each and described equipment weather information.
7. operation of power networks status information system according to claim 6, is characterized in that, described meteorological determination module to be measured, comprising:
Affect weights determining unit, for obtaining the monitoring location information of the weather monitoring point in electrical network with described tested point distance in preset range, and according to described positional information to be measured and described monitoring location information, determine that described weather monitoring point affects weights to described tested point;
Meteorological determining unit to be measured, for obtaining the monitoring weather information of the weather monitoring point in electrical network with described tested point distance in preset range, affecting weights and described monitoring weather information according to described, determining the weather information to be measured of described tested point.
8. operation of power networks status information system according to claim 7, is characterized in that, describedly affects weights determining unit, comprising:
Distance determines subelement, for according to described positional information to be measured and described monitoring location information, determines the distance of described tested point to described weather monitoring point;
Weights determination subelement, for according to described distance, determines that described weather monitoring point affects weights to described tested point;
I-th weather monitoring point affects weights α to tested point
irepresent, α
idetermination formula be:
Wherein, n is the quantity of the described weather monitoring point in electrical network with described tested point distance in preset range.
9. operation of power networks status information system according to claim 8, is characterized in that,
The monitoring weather information f (x of i-th weather monitoring point
i, y
i) represent, the weather information f to be measured of a jth tested point
j(x
i, y
i) represent, f
j(x
i, y
i) determination formula be:
Wherein, m is the quantity of tested point; M is the multiple of 1 or 4.
10. operation of power networks status information system according to claim 6, is characterized in that, described tested point determination module comprises:
Type judging unit, for judging described device type;
Node type determining unit, if be node type for described device type, determine that described tested point is the point at described component equipment place, described positional information to be measured is described device location information;
Connecting line type determining unit, if be connecting line type for described device type, connect on line chart at the geography of described component equipment and weather monitoring point and draw square node, and determine that described tested point is four summits of each grid of described component equipment process, described positional information to be measured is the positional information on four summits of each grid of described component equipment process.
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