CN106934078B - Topology implementation method of physical simulation system of power distribution network - Google Patents
Topology implementation method of physical simulation system of power distribution network Download PDFInfo
- Publication number
- CN106934078B CN106934078B CN201511017630.0A CN201511017630A CN106934078B CN 106934078 B CN106934078 B CN 106934078B CN 201511017630 A CN201511017630 A CN 201511017630A CN 106934078 B CN106934078 B CN 106934078B
- Authority
- CN
- China
- Prior art keywords
- port
- node
- component
- list
- simulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004088 simulation Methods 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000008859 change Effects 0.000 description 5
- 101000767160 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) Intracellular protein transport protein USO1 Proteins 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 101100446506 Mus musculus Fgf3 gene Proteins 0.000 description 1
- 101100348848 Mus musculus Notch4 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/36—Circuit design at the analogue level
- G06F30/367—Design verification, e.g. using simulation, simulation program with integrated circuit emphasis [SPICE], direct methods or relaxation methods
Abstract
The invention relates to a method for realizing the topology of a physical simulation system of a power distribution network, which comprises the following steps: numbering the elements and the ports of the elements and defining element models; determining the connection relation between the elements according to the simulation topological structure; filling the element model according to the connection relation; generating a connection list according to the filling result; connecting the components on a terminal cabinet according to the connection list; the invention provides a method for realizing the topology of a physical simulation system of a power distribution network, which provides any required topology structure for simulation work, and changes the topology by adopting a mode of combining complete manual wiring and upper computer remote control according to the number and the characteristics of nodes changed by the topology.
Description
Technical Field
The invention relates to the field of dynamic analog simulation of power systems, in particular to a method for realizing topology of a physical analog simulation system of a power distribution network.
Background
The simulation of the dynamic simulation of the power system is a method generally adopted by the real-time simulation of the power system to research the dynamic and transient processes of the power system, and the hardware of the simulation system is generally composed of a plurality of power supplies, loads, switches, corresponding simulation circuits and control systems which are reduced in the same proportion according to a similar theory. The dynamic analog simulation system composed of pure physical elements has the disadvantages of large occupied area, high cost and unfavorable expansion. With the development of computer technology, the research of the power system is gradually digitalized, elements of the power system to be researched are manufactured into software modules, the simple simulation of the power system can be completely separated from hardware, the effect approximately consistent with the steady-state and transient-state results of the actual power system can be realized by means of software, the cost is low, and the expansion of the simulation scale can be easily realized under the software environment. With the development of power systems, the scale of power grids is larger and larger, and the application of a large number of direct current systems and power electronic elements makes the element form more and more complex, so that the requirements of simulation cannot be met no matter pure physical analog simulation or digital simulation completely depending on software. Therefore, the digital-analog hybrid is simulated as a necessary product of the fusion of the two. Although the voltage level of a power distribution system is lower and the tidal current capacity is smaller than that of a power transmission system, the number of nodes is large, and in recent years, due to the fact that power electronic elements are used in a large amount in the field of power distribution, the distributed power generation scale of photovoltaic power, wind power and the like is continuously expanded, and the physical simulation of the power distribution system is gradually paid attention. Therefore, no matter how the simulation technology is developed, the physical simulation technology of the power system is still an important means for power system simulation.
The simulation topology can be changed in the power grid simulation process according to simulation requirements, the simulation mode of digital software is easy to realize, parameters are dragged and reset on a computer, however, the topology is difficult to change for the simulation of physical element simulation, the connected connecting line is difficult to change, even if the elements are reduced in the same proportion by the similar principle, the scale, the volume and the weight are considerable, particularly under the condition that the topology structure needs to be frequently changed in the simulation, the workload is huge, and the process is quite complicated.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a method for realizing the topology of a physical simulation system of a power distribution network, which provides a required arbitrary topology structure for simulation work, and changes the topology by adopting a mode of combining complete manual wiring and upper computer remote control according to the number and the characteristics of nodes changed by the topology.
The purpose of the invention is realized by adopting the following technical scheme:
the improvement of a method for realizing the topology of a physical simulation system of a power distribution network is that the method comprises the following steps:
(1) numbering the elements and the ports of the elements and defining element models;
(2) determining the connection relation between the elements according to the simulation topological structure;
(3) filling the element model according to the connection relation;
(4) generating a connection list according to the filling result;
(5) and connecting the elements on the terminal cabinet according to the connection list.
Preferably, in the step (1), the element model is defined as D-n { intNum; int xk; int yk; intflag k; and D-N is an element with an element number of N, N belongs to [1, N ] is the element number, N is the total number of the element numbers, Num is the total number of the port numbers of the element, xk is the main element number corresponding to the node connected with the kth port of the element, yk is the port number of the main element corresponding to the node connected with the kth port of the element, k belongs to [1, Num ] is the port number of the element, flagk is the element kth port intermediate flag, and the initial value is 1.
Preferably, the step (3) includes:
(3-1) sequentially traversing each port of the element according to the element number and the port number of the element, if the middle mark of the element port is 1, judging whether the port and other elements in the simulation topological structure have a connection relation, and if so, defining a node J-m { p, q }; if not, ending the operation; wherein J-M is the mth node, p is the number of the main element corresponding to the node, q is the port number of the main element corresponding to the node, M belongs to [1, M ] is the node number and the initial value is 1, the value of M is added with 1 when each node is defined, and M is the total number of the node numbers;
(3-2) filling the port number and the component number of the port of the component with the connection relation between the port and the simulation topological structure into the component model corresponding to the port;
and (3-3) zeroing the intermediate marks of the port and the port of the element with the connection relation in the simulation topological structure.
Preferably, in the step (4), the connection list includes: the device comprises a node number column, a main component number and port number column of a main component corresponding to the node, and a component number and component port number column connected with the node, wherein the content in the component number and component port number column connected with the node can be linked to a component relation list corresponding to the content.
Further, the element relationship list includes: a component number column, a port number column, a node number of a port connection, a component number, and a port number column of a component.
Preferably, if the simulation topology is updated, executing steps (2) to (4), generating a new connection list, comparing the new connection list with the connection list, and generating a comparison list according to a comparison result, wherein the comparison list includes: and displaying the part of the new connection list which is added to the connection list by adopting an obvious font, and marking the part of the new connection list which is reduced to the connection list by adopting an obvious mark.
Compared with the closest prior art, the invention has the following beneficial effects:
the invention provides a method for realizing the topology of a physical simulation system of a power distribution network, which provides a required arbitrary topology structure for simulation work, and changes the topology by adopting a mode of combining complete manual wiring and upper computer remote control according to the number and the characteristics of nodes changed by the topology; and the upper computer software automatically generates a wiring list according to a topological structure required by simulation, and connects each end of the element in a specific terminal cabinet according to the wiring list. If the topology change nodes are not too many and the topology change nodes can be formed by remotely controlling the on and off of the switch through the upper computer, the topology change nodes are realized in a remote control mode through the upper computer, the defects of complicated physical topology wiring and huge workload of the power grid simulation system are overcome, and a flexible configuration scheme of the power grid simulation system is formed.
Drawings
FIG. 1 is a flowchart of a topology implementation method of a physical simulation system of a power distribution network according to the present invention;
FIG. 2 is a schematic diagram of an exemplary power grid simulation topology in an embodiment of the present invention;
FIG. 3 is a flowchart of a method for implementing step (3) in the embodiment of the present invention;
fig. 4 is a schematic diagram of a modified typical power grid simulation topology structure in the embodiment of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a method for realizing a topology of a physical simulation system of a power distribution network, which comprises the following steps of:
(1) numbering the elements and the ports of the elements and defining element models;
(2) determining the connection relation between the elements according to the simulation topological structure;
(3) filling the element model according to the connection relation;
(4) generating a connection list according to the filling result;
(5) and connecting the elements on the terminal cabinet according to the connection list.
Specifically, in the step (1), an element model is defined as D-n { intNum; int xk; int yk; intflag k; and D-N is an element with an element number of N, N belongs to [1, N ] is the element number, N is the total number of the element numbers, Num is the total number of the port numbers of the element, xk is the main element number corresponding to the node connected with the kth port of the element, yk is the port number of the main element corresponding to the node connected with the kth port of the element, k belongs to [1, Num ] is the port number of the element, flagk is the element kth port intermediate flag, and the initial value is 1.
The step (3) comprises the following steps:
(3-1) sequentially traversing each port of the element according to the element number and the port number of the element, if the middle mark of the element port is 1, judging whether the port and other elements in the simulation topological structure have a connection relation, and if so, defining a node J-m { p, q }; if not, ending the operation; wherein J-M is the mth node, p is the number of the main element corresponding to the node, q is the port number of the main element corresponding to the node, M belongs to [1, M ] is the node number and the initial value is 1, the value of M is added with 1 when each node is defined, and M is the total number of the node numbers;
(3-2) filling the port number and the component number of the port of the component with the connection relation between the port and the simulation topological structure into the component model corresponding to the port;
and (3-3) zeroing the intermediate marks of the port and the port of the element with the connection relation in the simulation topological structure.
In the step (4), the connection list includes: the device comprises a node number column, a main component number and port number column of a main component corresponding to the node, and a component number and component port number column connected with the node, wherein the content in the component number and component port number column connected with the node can be linked to a component relation list corresponding to the content.
The list of element relationships includes: a component number column, a port number column, a node number of a port connection, a component number, and a port number column of a component.
In the step (4), the connection list includes: a node number column, a main component number and port number column of the main component corresponding to the node, and a component number and component port number column connected to the node, wherein the content in the component number and component port number column connected to the node can be connected to the component relationship list corresponding to the content.
The list of element relationships includes: a component number column, a port number column, a node number of a port connection, a component number, and a port number column of a component.
If the simulation topological structure is updated, executing the steps (2) to (4), generating a new connection list, comparing the new connection list with the connection list, and generating a comparison list according to a comparison result, wherein the comparison list comprises: and displaying the part of the new connection list which is added to the connection list by adopting an obvious font, and marking the part of the new connection list which is reduced to the connection list by adopting an obvious mark.
Examples
As shown in fig. 2, in a classical power grid simulation topology, elements and ports of the elements are numbered in sequence and element models are defined, for example, an element model with an element number of D-6 is defined as D-6{ int 3; int x 1; int y 1; intflag 1; int x 2; int y 2; int flag 2; int x 3; int y 3; int flag3}, then, according to the flowchart shown in fig. 3, implementing step (3) to fill the element model according to the connection relationship, and for example, traversing all ports of D-1, and determining the connection relationship between the port of D-1 and the ports of other elements of the typical power grid simulation topology structure, in this embodiment, the 1 st port of D-1 and the 1 st port of D-2 have a connection relationship, so that the element model D-1{ int 1 of D-1 is filled; intx 1; int y 1; int flag1, and the filling result is D-1{ int 1; int 2; int 1; int flag1, which indicates that the 1 st port of the element with the number of D-1 has a connection relation with the 1 st port with the number of D-2; traversing ports with port intermediate marks of 1 of all the components of the typical power grid simulation topological structure, and generating a list as shown in table 1;
table 1 connection list of typical power grid simulation topology structure diagram
Wherein the elementD-6As shown in table 2:
TABLE 2 elementsD-6In a relational list
Finally, the elements are connected on the terminal cabinet according to the connection list;
if the simulation topological structure is updated, comparing a newly generated new connection list with a connection list generated last time, and generating a comparison list according to a comparison result, wherein the comparison list comprises: the parts of the new connection list added to the connection list are displayed by using an obvious font, the parts of the new connection list reduced from the connection list are marked by using an obvious mark, and a typical power grid simulation topological structure is simply changed, as shown in fig. 4, and the comparison result list is as follows, as shown in table 3:
TABLE 3 comparative results List
Wherein D-10, 1 in the node J-4 is marked by the shading background to indicate that D-10, 1 is the newly added element and element number in the updated simulation topology, and D-10, 1 in the node J-5 is marked by the deletion line to indicate that D-10, 1 is the reduced element and element number in the updated simulation topology.
Here, the port number of the element in fig. 2 and 4 is expressed in the form of "r".
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (3)
1. A topology implementation method for a physical simulation system of a power distribution network is characterized by comprising the following steps:
(1) numbering the elements and the ports of the elements and defining element models;
(2) determining the connection relation between the elements according to the simulation topological structure;
(3) filling the element model according to the connection relation;
(4) generating a connection list according to the filling result;
(5) connecting the components on a terminal cabinet according to the connection list;
in the step (1), defining an element model as D-n { int Num; int xk; int yk; int flag; D-N is an element with an element number of N, N belongs to [1, N ] is an element number, N is the total number of the element numbers, Num is the total number of the port numbers of the element, xk is a main element number corresponding to a node connected to the kth port of the element, yk is a port number of a main element corresponding to a node connected to the kth port of the element, k belongs to [1, Num ] is the port number of the element, flagk is a middle mark of the kth port of the element, and an initial value is 1;
the step (3) comprises the following steps:
(3-1) sequentially traversing each port of the element according to the element number and the port number of the element, if the middle mark of the element port is 1, judging whether the port and other elements in the simulation topological structure have a connection relation, and if so, defining a node J-m { p, q }; if not, ending the operation; wherein J-M is the mth node, p is the number of the main element corresponding to the node, q is the port number of the main element corresponding to the node, M belongs to [1, M ] is the node number and the initial value is 1, the value of M is added with 1 when each node is defined, and M is the total number of the node numbers;
(3-2) filling the port number and the component number of the port of the component with the connection relation between the port and the simulation topological structure into the component model corresponding to the port;
(3-3) zeroing the intermediate flags of the port and the port of the element having the connection relation with the simulation topological structure;
in the step (4), the connection list includes: the device comprises a node number column, a main component number and port number column of a main component corresponding to the node, and a component number and component port number column connected with the node, wherein the content in the component number and component port number column connected with the node can be linked to a component relation list corresponding to the content.
2. The method of claim 1, wherein the list of element relationships comprises: a component number column, a port number column, a node number of a port connection, a component number, and a port number column of a component.
3. The method of claim 1, wherein if the simulation topology is updated, performing steps (2) to (4), generating a new connection list, comparing the new connection list with the connection list, and generating a comparison list according to a comparison result, wherein the comparison list comprises: and displaying the part of the new connection list which is added to the connection list by adopting an obvious font, and marking the part of the new connection list which is reduced to the connection list by adopting an obvious mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511017630.0A CN106934078B (en) | 2015-12-29 | 2015-12-29 | Topology implementation method of physical simulation system of power distribution network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511017630.0A CN106934078B (en) | 2015-12-29 | 2015-12-29 | Topology implementation method of physical simulation system of power distribution network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106934078A CN106934078A (en) | 2017-07-07 |
| CN106934078B true CN106934078B (en) | 2020-09-15 |
Family
ID=59442216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511017630.0A Active CN106934078B (en) | 2015-12-29 | 2015-12-29 | Topology implementation method of physical simulation system of power distribution network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106934078B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110208641A (en) * | 2019-07-01 | 2019-09-06 | 云南电力技术有限责任公司 | Power distribution network ring network cabinet route installs auxiliary system and method |
| CN110941888B (en) * | 2019-12-16 | 2023-08-04 | 苏州嘉燃科技有限公司 | Urban gas pipe network topology data file generation method based on pipe network simulation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7860702B1 (en) * | 2002-09-18 | 2010-12-28 | Peter B. Evans | Assessing distributed energy resources for the energynet |
| CN102375828A (en) * | 2010-08-16 | 2012-03-14 | 北京国科恒通电气自动化科技有限公司 | Physical storage and optimization method of power grid topology in relational database |
| CN102957204A (en) * | 2012-02-08 | 2013-03-06 | 深圳市金宏威技术股份有限公司 | Intelligent simulation method and system of power distribution network terminal |
| CN103490510A (en) * | 2013-09-11 | 2014-01-01 | 珠海许继电气有限公司 | Modeling method of intelligent distributed FA model |
-
2015
- 2015-12-29 CN CN201511017630.0A patent/CN106934078B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7860702B1 (en) * | 2002-09-18 | 2010-12-28 | Peter B. Evans | Assessing distributed energy resources for the energynet |
| CN102375828A (en) * | 2010-08-16 | 2012-03-14 | 北京国科恒通电气自动化科技有限公司 | Physical storage and optimization method of power grid topology in relational database |
| CN102957204A (en) * | 2012-02-08 | 2013-03-06 | 深圳市金宏威技术股份有限公司 | Intelligent simulation method and system of power distribution network terminal |
| CN103490510A (en) * | 2013-09-11 | 2014-01-01 | 珠海许继电气有限公司 | Modeling method of intelligent distributed FA model |
Non-Patent Citations (2)
| Title |
|---|
| Integration of distributed generation in the networks of Lativian power system;Z.Krishans .etc;《2005 IEEE Russia Power Tech》;20080516;1-5 * |
| 含分布式电源的配网可靠性概率计算;田洪迅 等;《电网技术》;20130630;第37卷(第6期);1562-1569 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106934078A (en) | 2017-07-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103066698B (en) | Implement method for automatic generation of visible power grid trend chart in dispatching system | |
| CN103530811B (en) | The modeling of electric system logic-based relation | |
| CN106021684B (en) | A kind of modular power source standardized designs system and its design method, application | |
| CN104598671B (en) | A kind of digital electric network construction method based on online data | |
| Hou et al. | Power system transient stability assessment based on voltage phasor and convolution neural network | |
| JP5428982B2 (en) | Power system training simulator | |
| CN103020335A (en) | Method for automatically converting distribution network geographic wiring diagram into region orthogonal diagram | |
| CN101520951A (en) | Training system for ultra-high voltage transmission system overvoltage and insulation coordination technology | |
| CN106934078B (en) | Topology implementation method of physical simulation system of power distribution network | |
| CN104933638A (en) | Province-prefecture-county multistage regulate and control joint simulation method | |
| JPWO2017126260A1 (en) | Power system model analysis apparatus and method | |
| CN112287540B (en) | Electromagnetic transient joint simulation method for accessing wind power plant to power grid | |
| CN103488837B (en) | A kind of Net Frame of Electric Network figure autoplacement method based on plant stand geography information | |
| CN103699960A (en) | Medium voltage distribution power grid operation state visualization method | |
| CN104834788B (en) | A kind of 500kV shaft towers divide the real-time construction method of grounded-line threedimensional model more more times | |
| CN106786540A (en) | A kind of short-circuit current calculation method and system | |
| CN103383707B (en) | The method automatically generating network system wiring diagram based on plant stand and shaft tower latitude and longitude coordinates | |
| CN105162119B (en) | A kind of local correction tidal current computing method suitable for large-scale distribution network | |
| CN104077395B (en) | A kind of method that electric system equivalent predigesting regenerates memory bank index | |
| CN104573208B (en) | A kind of distribution wiring diagram mapping method based on generalized information system | |
| JP2017200275A (en) | Electric power system analyzing system and method | |
| CN110309565A (en) | A kind of method and system calculating data based on tree hierarchy partition structure maintenance power grid | |
| CN107481569A (en) | Teaching notes automatic generation method based on the full Smoothing Newton Method of Constraints | |
| CN106057013A (en) | Simulation training system and simulation training method based on real-time simulation kernel | |
| CN102882190A (en) | Distribution network line protection setting calculation method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |