CN103488837A - Automatic power network wire frame map layout method based on factory geographic information - Google Patents
Automatic power network wire frame map layout method based on factory geographic information Download PDFInfo
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Abstract
The invention provides an automatic power network wire frame map layout method based on factory geographic information. The automatic power network wire frame map layout method includes inputting data of power network structure into an automatic layout system, forming an initial power network wire frame map, automatically adjusting and optimizing factory positions and correcting factory positions after automatically adjusted and optimized. The automatic power network wire frame map layout method can realize automatic power network wire frame map layout based on the factory geographic information, graphs are more intuitive, graphs can be updated timely when factories are newly added or deleted, careless omission and failure from man-made graph compilation are reduced, and efficiency of artwork maintenance is greatly increased.
Description
Technical field
The invention belongs to the dispatching automation of electric power systems technical field, be specifically related to a kind of Net Frame of Electric Network figure autoplacement method based on the plant stand geography information.
Background technology
In power network dispatching system, the monitoring that the circuit between plant stand, plant stand and trend thereof distribute is the responsibility of dispatching automation.In current supervisory system, draw power system network topology diagram and electric network current diagram, be all by maintenance person or slip-stick artist according to monitored electrical network real topology, utilize the dispatching system drawing instrument, hand drawn out,
For the rationality of the energy management system operation and control result that guarantees dispatching center, need to realize overall tide model by the mutual real-time model in upper and lower level dispatching center; The electric network model of energy management system not only comprises the electric network model of local maintenance, and comprises the electric network model that the superior and the subordinate dispatching center safeguards.Owing to exist upgrading not in time, length consuming time, easily make mistakes, later maintenance inconvenience, inaesthetic shortcoming, the method of manual maintenance electric network current diagram is no longer applicable, need to automatically generate overall tidal current chart according to overall electric network model, utilize the geography information of the crucial plant stand of minority (plant stand of generating plant stand, 500kV plant stand, provincial capital position etc.), Net Frame of Electric Network figure is drawn automatically by software, workload is little, and picture is attractive in appearance, easy to maintenance.
The Net Frame of Electric Network figure in the past used at dispatching communication above the provincial level center is the drawing instrument that utilizes the dispatching automation of electric power systems software platform by maintainer's manual drawing, data message needs manual the placement, in the situation that network size is larger, draw Net Frame of Electric Network figure and often need the man-hour of several days, increasing new plant stand and circuit may need to adjust the place and route of original Net Frame of Electric Network figure, also may need to adjust whole picture structure in order to increase new data message, all rely on manual completing often can't reach efficient, accurately, the effect that fiduciary level is high.The nationwide integrated power grid rack figure of take is example, because it need to show each province's Power grid structure, so scale is very huge, and the probability that new plant stand puts into operation is higher than the probability of some provinces, Net Frame of Electric Network figure need to constantly revise, each modification all needs placement-and-routing again, and only making place modification have to a couple of days consuming time.Generally speaking, original technological means can't adapt to the demand of fast-developing electrical network scale, also can't meet the dispatcher the faster more fully demand of electric network information.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of Net Frame of Electric Network figure autoplacement method based on the plant stand geography information, can realize the autoplacement of the Net Frame of Electric Network figure based on geography information, figure has more intuitive; Support newly to add or the figure while deleting plant stand upgrades in time, reduced artificial editing graph careless omission and mistake, improved greatly the efficiency of artwork maintenance.
In order to realize the foregoing invention purpose, the present invention takes following technical scheme:
The invention provides a kind of Net Frame of Electric Network figure autoplacement method based on the plant stand geography information, comprise the following steps:
Step 1: the electric network composition data importing is arrived to the autoplacement system;
Step 2: form initial Net Frame of Electric Network figure;
Step 3: automatically adjust and optimize the plant stand position;
Step 4: the plant stand position after automatic adjustment optimization is revised.
In described step 1, from the CIM formatted file, electric network data is imported in the autoplacement system; Power plant and substation's information, line information and the plant stand that described CIM formatted file comprises Net Frame of Electric Network and the annexation of circuit, described Net Frame of Electric Network is comprised of plant stand and the circuit of different electric pressures.
In described step 2, by the plant stand geography information, form initial Net Frame of Electric Network figure, specifically comprise the following steps:
Step 2-1: the plant stand geography information is converted into to the XY coordinate on Net Frame of Electric Network figure; Choose the longitude and latitude of the position of 0 ° of longitude and 0 ° of latitude or a certain plant stand as true origin, the preset proportion chi maps out the relative geographic position of all plant stands on the XY coordinate system; For the plant stand that there is no geographic position, according to the relative position of itself and true origin, initial coordinate is set;
Step 2-2: for newly-generated Net Frame of Electric Network figure, all plant stand points all are set to not point of fixity; For increase or the deletion of Net Frame of Electric Network figure, the plant stand that will increase or delete is made as not point of fixity, and other plant stands and topology are connected in Net Frame of Electric Network figure renewal process and remain unchanged.
Described step 3 comprises the following steps:
Step 3-1: calculate the phase repulsive interaction between plant stand;
Step 3-2: calculate the attractive interaction between plant stand;
Step 3-3: according to phase repulsive interaction and the attractive interaction between each plant stand calculated, calculate suffered the making a concerted effort of each plant stand node, then by the resolution of vectors method, by the component of making a concerted effort to be decomposed into the XY direction calculated.
In described step 3-1, the phase repulsive interaction between plant stand is used
mean the internodal distance of plant stand
if be less than threshold apart from d
mthe time, guarantee, in the repulsion situation of the minor increment in not overlapping situation between two plant stands, repulsion is set as to fixed value f, otherwise the distance between repulsion and plant stand node
square be inversely proportional to, the phase repulsive interaction between plant stand
be expressed as:
Wherein, m
iand m
jbe the outlet coefficient of plant stand, g is the sparse degree that plant stand distributes, and g is larger, distributes more sparse, more tends to balance.
In described step 3-2, the attractive interaction between plant stand is used
mean, according to Hooke's law, if, while between two plant stands, there is no connection, the attractive interaction between plant stand is 0; For the plant stand that connection is arranged, when the internodal distance of plant stand
be less than the natural length l of circuit
mthe time, gravitation is zero; Distance between the plant stand node
be greater than the natural length l of circuit
mthe time, the attractive interaction between plant stand is proportional to the internodal distance of plant stand
with natural length l
mdifference; Specifically be expressed as:
Wherein, k is the direct proportion coefficient, the attractive interaction between plant stand
direction be the internodal distance of plant stand
the negative direction of direction.
In described step 3-3, according to the phase repulsive interaction between each plant stand calculated
and attractive interaction
the use of making a concerted effort that each plant stand node is suffered
mean, then by the resolution of vectors method, by making a concerted effort of calculating
be decomposed into the component on the XY direction, what each plant stand node was suffered makes a concerted effort
mean specifically have with θ with the angle of directions X:
Wherein,
with
be respectively the internodal distance of plant stand
distance component on directions X and Y-direction;
with
be respectively the unit vector on directions X and Y-direction;
with
be respectively suffered the making a concerted effort of each plant stand node
component on directions X and Y-direction.
In described step 4, according to the sharpness of the geographic position of plant stand node and Net Frame of Electric Network figure to automatic adjustment and the plant stand position after optimizing revised.
Compared with prior art, beneficial effect of the present invention is:
1) utilized CIM model information and the geography information of plant stand, can automatically generate, automatically upgrade, Automatic Optimal grid structure figure, speed is fast, and workload is little, and picture is attractive in appearance, easy to maintenance, has improved greatly maintenance efficiency and the accuracy of Net Frame of Electric Network figure;
2) use the initial coordinate of geography information as plant stand point, can improve Net Frame of Electric Network map generalization speed, guarantee that the plant stand relative position of Net Frame of Electric Network figure is consistent with geographical relative position;
3) read in CIM substation model information, support newly to add or the figure while deleting plant stand upgrades in time, reduced artificial editing graph careless omission and mistake, improved greatly the efficiency of artwork maintenance.
4) the program autoplacement combines with artificial the adjustment, improves the aesthetic measure of Net Frame of Electric Network figure and regulates the speed.
The accompanying drawing explanation
Fig. 1 is based on the Net Frame of Electric Network figure autoplacement method process flow diagram of plant stand geography information;
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As Fig. 1, the invention provides a kind of Net Frame of Electric Network figure autoplacement method based on the plant stand geography information, comprise the following steps:
Step 1: the electric network composition data importing is arrived to the autoplacement system;
Step 2: form initial Net Frame of Electric Network figure;
Step 3: automatically adjust and optimize the plant stand position;
Step 4: the plant stand position after automatic adjustment optimization is revised.
In described step 1, from the CIM formatted file, electric network data is imported in the autoplacement system; Power plant and substation's information, line information and the plant stand that described CIM formatted file comprises Net Frame of Electric Network and the annexation of circuit, described Net Frame of Electric Network is comprised of plant stand and the circuit of different electric pressures.
In described step 2, by the plant stand geography information, form initial Net Frame of Electric Network figure, specifically comprise the following steps:
Step 2-1: the plant stand geography information is converted into to the XY coordinate on Net Frame of Electric Network figure; Choose the longitude and latitude of the position of 0 ° of longitude and 0 ° of latitude or a certain plant stand as true origin, the preset proportion chi maps out the relative geographic position of all plant stands on the XY coordinate system; For the plant stand that there is no geographic position, according to the relative position of itself and true origin, initial coordinate is set;
Step 2-2: for newly-generated Net Frame of Electric Network figure, all plant stand points all are set to not point of fixity; For increase or the deletion of Net Frame of Electric Network figure, the plant stand that will increase or delete is made as not point of fixity, and other plant stands and topology are connected in Net Frame of Electric Network figure renewal process and remain unchanged.
Described step 3 method relates to the mechanics algorithm based on repulsion and gravitation, this algorithm is thought and is had repulsion between each plant stand, and because there is the gravitation of similar rubber band in the connection of circuit, in the process of adjusting in the plant stand position, between the gravitation of plant stand and repulsion, tend to balance, finally have the plant stand layout of connection to be tending towards assembling, and the plant stand layout connected without circuit be tending towards away from.Due to the geography information that has crucial plant stand, the geographic distribution that the distribution of all plant stands is more realistic.The regulation of the direction of power: the direction that plant stand is separated along connection line is being for just, and close direction is for negative, so repulsion is being for just, and gravitation is for bearing.Specifically comprise the following steps:
Step 3-1: calculate the phase repulsive interaction between plant stand;
Step 3-2: calculate the attractive interaction between plant stand;
Step 3-3: according to phase repulsive interaction and the attractive interaction between each plant stand calculated, calculate suffered the making a concerted effort of each plant stand node, then by the resolution of vectors method, by the component of making a concerted effort to be decomposed into the XY direction calculated.
In described step 3-1, the phase repulsive interaction between plant stand is used
mean the internodal distance of plant stand
if be less than threshold apart from d
mthe time, guarantee, in the repulsion situation of the minor increment in not overlapping situation between two plant stands, repulsion is set as to fixed value f, otherwise the distance between repulsion and plant stand node
square be inversely proportional to, the phase repulsive interaction between plant stand
be expressed as:
Wherein, m
iand m
jbe the outlet coefficient of plant stand, the circuit number be connected with other plant stands is more, and coefficient is larger; G is the sparse degree that plant stand distributes, and g is larger, distributes more sparse, more tends to balance.
In described step 3-2, the attractive interaction between plant stand is used
mean, according to Hooke's law, if, while between two plant stands, there is no connection, the attractive interaction between plant stand is 0; For the plant stand that connection is arranged, when the internodal distance of plant stand
be less than the natural length l of circuit
mthe time, gravitation is zero; Distance between the plant stand node
be greater than the natural length l of circuit
mthe time, the attractive interaction between plant stand is proportional to the internodal distance of plant stand
with natural length l
mdifference; Specifically be expressed as:
Wherein, k is the direct proportion coefficient, the attractive interaction between plant stand
direction be the internodal distance of plant stand
the negative direction of direction.
In described step 3-3, according to the phase repulsive interaction between each plant stand calculated
and attractive interaction
the use of making a concerted effort that each plant stand node is suffered
mean, then by the resolution of vectors method, by making a concerted effort of calculating
be decomposed into the component on the XY direction, what each plant stand node was suffered makes a concerted effort
mean, as Fig. 2, specifically have with θ with the angle of directions X:
Wherein,
with
be respectively the internodal distance of plant stand
distance component on directions X and Y-direction;
with
be respectively the unit vector on directions X and Y-direction;
with
be respectively suffered the making a concerted effort of each plant stand node
component on directions X and Y-direction.
Plant stand point moves a slight distance in resultant direction, obtains plant stand and puts new coordinate, recalculates suffered gravitation, repulsion and makes a concerted effort, and plant stand point continues mobile under force action.Finally reach equilibrium state, the plant stand with annexation flocks together, and the plant stand distribution be distributed in together is tending towards even.
The operating functions such as in described step 4, the Net Frame of Electric Network figure generated has selection, drags, convergent-divergent, data preservation, according to the sharpness of the geographic position of plant stand node and Net Frame of Electric Network figure to automatic adjustment and the plant stand position after optimizing revised.The reasonable plant stand of position adjustment is set to point of fixity, to occur that crossing elimination, the unreasonable plant stand in geographic position drag to suitable position on Net Frame of Electric Network figure, again apply repulsion and the adjustment of gravitation algorithm, reach new balance, and preserve the coordinate position that these plant stands are new, all plant stands are set to point of fixity, finally generate geographic position rationally distributed, be evenly distributed, general layout is clear, picture is attractive in appearance Net Frame of Electric Network figure.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment, the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement the specific embodiment of the present invention, and do not break away from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of claim scope of the present invention.
Claims (8)
1. the Net Frame of Electric Network figure autoplacement method based on the plant stand geography information is characterized in that: said method comprising the steps of:
Step 1: the electric network composition data importing is arrived to the autoplacement system;
Step 2: form initial Net Frame of Electric Network figure;
Step 3: automatically adjust and optimize the plant stand position;
Step 4: the plant stand position after automatic adjustment optimization is revised.
2. the Net Frame of Electric Network figure autoplacement method based on the plant stand geography information according to claim 1, is characterized in that: in described step 1, from the CIM formatted file, electric network data is imported in the autoplacement system; Power plant and substation's information, line information and the plant stand that described CIM formatted file comprises Net Frame of Electric Network and the annexation of circuit, described Net Frame of Electric Network is comprised of plant stand and the circuit of different electric pressures.
3. the Net Frame of Electric Network figure autoplacement method based on the plant stand geography information according to claim 1 is characterized in that: in described step 2, by the plant stand geography information, form initial Net Frame of Electric Network figure, specifically comprise the following steps:
Step 2-1: the plant stand geography information is converted into to the XY coordinate on Net Frame of Electric Network figure; Choose the longitude and latitude of the position of 0 ° of longitude and 0 ° of latitude or a certain plant stand as true origin, the preset proportion chi maps out the relative geographic position of all plant stands on the XY coordinate system; For the plant stand that there is no geographic position, according to the relative position of itself and true origin, initial coordinate is set;
Step 2-2: for newly-generated Net Frame of Electric Network figure, all plant stand points all are set to not point of fixity; For increase or the deletion of Net Frame of Electric Network figure, the plant stand that will increase or delete is made as not point of fixity, and other plant stands and topology are connected in Net Frame of Electric Network figure renewal process and remain unchanged.
4. the Net Frame of Electric Network figure autoplacement method based on the plant stand geography information according to claim 1, it is characterized in that: described step 3 comprises the following steps:
Step 3-1: calculate the phase repulsive interaction between plant stand;
Step 3-2: calculate the attractive interaction between plant stand;
Step 3-3: according to phase repulsive interaction and the attractive interaction between each plant stand calculated, calculate suffered the making a concerted effort of each plant stand node, then by the resolution of vectors method, by the component of making a concerted effort to be decomposed into the XY direction calculated.
5. the Net Frame of Electric Network figure autoplacement method based on the plant stand geography information according to claim 4 is characterized in that: in described step 3-1, the phase repulsive interaction between plant stand is used
mean the internodal distance of plant stand
if be less than threshold apart from d
mthe time, guarantee, in the repulsion situation of the minor increment in not overlapping situation between two plant stands, repulsion is set as to fixed value f, otherwise the distance between repulsion and plant stand node
square be inversely proportional to, the phase repulsive interaction between plant stand
be expressed as:
Wherein, m
iand m
jbe the outlet coefficient of plant stand, g is the sparse degree that plant stand distributes, and g is larger, distributes more sparse, more tends to balance.
6. the Net Frame of Electric Network figure autoplacement method based on the plant stand geography information according to claim 4 is characterized in that: in described step 3-2, the attractive interaction between plant stand is used
mean, according to Hooke's law, if, while between two plant stands, there is no connection, the attractive interaction between plant stand is 0; For the plant stand that connection is arranged, when the internodal distance of plant stand
be less than the natural length l of circuit
mthe time, gravitation is zero; Distance between the plant stand node
be greater than the natural length l of circuit
mthe time, the attractive interaction between plant stand is proportional to the internodal distance of plant stand
with natural length l
mdifference; Specifically be expressed as:
7. the Net Frame of Electric Network figure autoplacement method based on the plant stand geography information according to claim 4, is characterized in that: in described step 3-3, according to the phase repulsive interaction between each plant stand calculated
and attractive interaction
the use of making a concerted effort that each plant stand node is suffered
mean, then by the resolution of vectors method, by making a concerted effort of calculating
be decomposed into the component on the XY direction, what each plant stand node was suffered makes a concerted effort
mean specifically have with θ with the angle of directions X:
Wherein,
with
be respectively the internodal distance of plant stand
distance component on directions X and Y-direction;
with
be respectively the unit vector on directions X and Y-direction;
with
be respectively suffered the making a concerted effort of each plant stand node
component on directions X and Y-direction.
8. the Net Frame of Electric Network figure autoplacement method based on the plant stand geography information according to claim 1, it is characterized in that: in described step 4, according to the sharpness of the geographic position of plant stand node and Net Frame of Electric Network figure to automatic adjustment and the plant stand position after optimizing revised.
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CN111414670A (en) * | 2019-04-30 | 2020-07-14 | 中国电力工程顾问集团华北电力设计院有限公司 | Method for automatically generating geographical wiring diagram by utilizing BPA data |
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WO2015131601A1 (en) * | 2014-03-03 | 2015-09-11 | 国家电网公司 | Power grid tidal current chart plant station node coordinate calculation method, device and distribution system |
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CN111414670A (en) * | 2019-04-30 | 2020-07-14 | 中国电力工程顾问集团华北电力设计院有限公司 | Method for automatically generating geographical wiring diagram by utilizing BPA data |
CN110137964A (en) * | 2019-06-27 | 2019-08-16 | 中国南方电网有限责任公司 | Power transmission network topological diagram automatic generation method applied to cloud SCADA |
CN111859589A (en) * | 2020-07-20 | 2020-10-30 | 山西潞安环保能源开发股份有限公司 | Method for automatically laying out primitives in transformer substation suitable for setting calculation software |
CN111859589B (en) * | 2020-07-20 | 2024-05-17 | 山西潞安环保能源开发股份有限公司 | Method suitable for automatic layout of primitives in transformer substation of setting calculation software |
CN113094027A (en) * | 2021-04-27 | 2021-07-09 | 广东电网有限责任公司佛山供电局 | Calling method and device of public control, electronic equipment and storage medium |
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