CN110489793B - PSD power station identification and fault operation model generation method - Google Patents
PSD power station identification and fault operation model generation method Download PDFInfo
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Abstract
The invention relates to the technical field of power systems, in particular to a method for PSD power station identification and fault operation model generation, which comprises the following steps: s1: identifying power station data from the power flow data; s2: establishing a corresponding relation between partition data in a region exchange power control card in the load flow data file and node name data of an alternating current node data card; s3: according to the established corresponding relation, realizing the regional display of the power station; s4: identifying a power station outlet line according to the selected area and the bus data; s5: generating a fixed and standard fault operation model according to the identified power station outlet line and previewing the fixed and standard fault operation model; s6: and saving the generated fault operation model into a stable data file. By adopting the method and the device, screening and displaying of all power stations in accordance with the regions in the power flow data file can be realized, and fault operation models in fixed formats are output to the selected power station outlet lines into the stable data file, so that a stable analysis data base is formed.
Description
Technical Field
The invention relates to the technical field of power systems, in particular to a PSD power station identification and fault operation model generation method.
Background
The PSD electric power system analysis program is an electric power system analysis software package developed by the Chinese institute of electrical science, comprises a plurality of calculation programs such as tide, stability, short-circuit current, small interference calculation analysis and the like, and is widely applied to the fields of electric power system analysis, planning and the like.
The load flow data file and the stable data file are two basic data files for power system analysis such as load flow, stability, short-circuit current and small interference calculation analysis by using the PSD. The power flow data file comprises node related data, branch related data, regional power control related data, data modification related data and the like; the stable data file comprises two parts, the first part fills all models and fault operation parameters, and the second part fills output data. The fault operation model is one of important components of a stable data file, and can simulate various basic fault types such as power grid short circuit, disconnection, direct current operation and the like.
At present, the southern power grid safety and stability analysis mainly uses PSD for simulation analysis. The PSD analysis function can meet the requirement of conventional calculation, but the actual calculation characteristics and special requirements of the power grid are difficult to be considered. The method is difficult to acquire the power station information and the network topology structure near the power station from the power flow data file, so that the branch information is difficult to acquire from the power flow data file to form a fault operation model, the data is difficult to transfer into a stable data file to facilitate the next analysis, and in this respect, the fault operation model can only be established manually.
Therefore, it is necessary to research a method for PSD power station identification and fault operation model generation to implement extended application of PSD software functions by batch manufacturing of a functional system of fault cards. The method mainly comprises the steps of screening and displaying all power stations which are in accordance with regions in a power flow data file, then intelligently generating fault operation models for selected power station lines into stable data files, and finally forming new stable data files according to related data.
Disclosure of Invention
In order to solve the above problems, the present invention provides a method for PSD power station identification and fault operation model generation, and the specific technical scheme is as follows:
a PSD power station identification and fault operation model generation method comprises the following steps:
s1: identifying power station data from the power flow data;
s2: establishing a corresponding relation between partition data in a region exchange power control card in the load flow data file and node name data of an alternating current node data card;
s3: according to the established corresponding relation, realizing the regional display of the power station;
s4: identifying a power station outlet line according to the selected area and the bus data;
s5: generating a fixed and standard-meeting fault operation model according to the identified power station outlet line and previewing the fault operation model;
s6: and saving the generated fault operation model into a stable data file.
Preferably, the step S1 includes the steps of:
s11: obtaining English names of node name data of the alternating current node data cards in the tide data file, and obtaining partition data of the alternating current node data cards;
s12: and if the English names are consistent and the partition data are consistent, identifying the same power station data.
Preferably, the step S2 includes the steps of:
s21, establishing a corresponding relation between the partition data in the area exchange power control card in the load flow data file and the node name data of the alternating current node data card according to partitions;
and S22, establishing a corresponding relation between the node name data of the alternating current node data card in the power flow data file and the Chinese name in the invalid sentence in front of the alternating current node data card.
Preferably, the step S3 includes the steps of:
s31: generating a relation tree for the power station data according to the corresponding relation between the partition data and the node name data;
s32: the sequence of the generated relation tree is as follows: area, power station, bus, line;
s33: dividing the power station data into four types of 35KV, 115KV, 230KV and 525KV according to different voltage grades;
s34: displaying the classified power station data according to voltage grades and regions, and defining 4-grade nodes aiming at the data of a certain voltage grade, wherein the 4-grade nodes respectively correspond to region nodes, power station nodes, bus nodes and connected line nodes; traversing all the line data of the voltage grade, adding each line data to the bus node of the corresponding voltage grade, adding each bus data containing the voltage grade line to the power station node of the corresponding voltage grade, and finally adding each power station data containing the voltage grade bus to the area node of the corresponding voltage grade, so that the classified power station data are displayed according to the voltage grade and the area classification;
s35: and if the Chinese data related to the power station data in the power flow data file is displayed after the Chinese data is attached to the corresponding power station data.
Preferably, the step S4 includes the steps of:
s41: searching for associated bus nodes according to the bus nodes of the power station;
s42: identifying a power station outlet line through a bus node connection mode;
s43: if the connection mode is line connection, identifying the connection mode as a power station outgoing line;
s44: and if the connection mode is transformer connection, continuing searching the next-stage bus node until the node with the connection mode of line connection is searched, and identifying the node as the power station outlet line.
Preferably, the step S5 includes the steps of:
s51: setting a check box during the data display of the power station, and selecting the power station needing to generate the fault operation model through the check box;
s52: extracting bus node information at two ends of the line through the identified power station outgoing line;
s53: generating a fault operation model according to the bus node information at two ends of the line according to a fault operation model format;
s54: and displaying the generated fault operation model in a preview window.
The invention has the beneficial effects that: the invention provides a PSD power station identification and fault operation model generation method based on object-oriented, which can realize the screening and display of all power stations conforming to the region in a power flow data file and output a fault operation model in a fixed format to a stable data file for a selected power station outlet line to form a stable analysis data base. The invention overcomes the problems that the data cannot be visually displayed by using the PSD and the fixed fault card information cannot be intelligently generated, enhances the accuracy of PSD data analysis, improves the efficiency of PSD data analysis, and avoids the problems of large workload and easy error and leakage when fault operation models are manually manufactured one by one.
Drawings
FIG. 1 is a schematic diagram of a batch generated fault card result using the present invention;
fig. 2 is a schematic diagram of a storage result of a selected fault card.
Detailed Description
For a better understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings in which:
in the embodiment, by taking NN region power station bus node display and outlet line generation fault operation model of a Jinji beach power station as examples, the PSD power station identification and fault operation model generation method comprises the following steps:
s1: identifying power station data from the power flow data; the method comprises the following steps:
s11: obtaining English names of node name data of the alternating current node data cards in the tide data file, and obtaining partition data of the alternating current node data cards;
s12: and if the English names are consistent and the partition data are consistent, identifying the same power station data.
S2: establishing a corresponding relation between partition data in a region exchange power control card in the load flow data file and node name data of an alternating current node data card; the method comprises the following steps:
s21, establishing a corresponding relation between the partition data in the area exchange power control card in the load flow data file and the node name data of the alternating current node data card according to partitions;
and S22, establishing a corresponding relation between the node name data of the alternating current node data card in the power flow data file and the Chinese name in the invalid sentence in front of the alternating current node data card.
S3: according to the established corresponding relation, realizing the regional display of the power station, as shown in figure 1; the method comprises the following steps:
s31: generating a relation tree for the power station data according to the corresponding relation between the partition data and the node name data;
s32: the sequence of the generated relation tree is as follows: area, power station, bus, line;
s33: dividing the power station data into four types of 35KV, 115KV, 230KV and 525KV according to different voltage grades;
s34: displaying the classified power station data according to voltage grades and regions, and defining 4-grade nodes aiming at the data of a certain voltage grade, wherein the 4-grade nodes respectively correspond to region nodes, power station nodes, bus nodes and connected line nodes; traversing all the line data of the voltage grade, adding each line data to the bus node of the corresponding voltage grade, adding each bus data containing the voltage grade line to the power station node of the corresponding voltage grade, and finally adding each power station data containing the voltage grade bus to the area node of the corresponding voltage grade, so that the classified power station data are displayed according to the voltage grade and the area classification;
s35: and if the Chinese data related to the power station data in the power flow data file is displayed after the Chinese data is attached to the corresponding power station data.
S4: identifying a power station outlet line according to the selected area and the bus data; the method comprises the following steps:
s41: searching for associated bus nodes according to the bus nodes of the power station;
s42: identifying a power station outlet line by a bus node connection mode;
s43: if the connection mode is line connection, identifying the connection mode as a power station outlet line;
s44: and if the connection mode is transformer connection, continuing searching the next-stage bus node until the node with the connection mode of line connection is searched, and identifying the node as the power station outlet line.
S5: generating a fixed and standard fault operation model according to the identified power station outlet line and previewing the fixed and standard fault operation model; the method comprises the following steps:
s51: setting a check box during the data display of the power station, and selecting the power station needing to generate the fault operation model through the check box;
s52: extracting bus node information at two ends of the line through the identified power station outgoing line;
s53: generating a fault operation model according to the bus node information at two ends of the line according to a fault operation model format;
s54: and displaying the generated fault operation model in a preview window.
S6: the generated fault operation model is saved to a stable data file as shown in fig. 2.
The present invention is not limited to the above-described embodiments, which are merely preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A PSD power station identification and fault operation model generation method is characterized in that: the method comprises the following steps:
s1: identifying power station data from the power flow data;
s2: establishing a corresponding relation between partition data in a regional exchange power control card in the load flow data file and node name data of an alternating current node data card;
s3: according to the established corresponding relation, realizing the regional display of the power station;
s4: identifying a power station outlet line according to the selected area and the bus data;
s5: generating a fixed and standard-meeting fault operation model according to the identified power station outlet line and previewing the fault operation model;
s6: and saving the generated fault operation model into a stable data file.
2. The method of claim 1 for PSD power station identification and fault operation model generation, wherein: the step S1 includes the steps of:
s11: obtaining English names of node name data of the alternating current node data cards in the tide data file, and obtaining partition data of the alternating current node data cards;
s12: and if the English names are consistent and the partition data are consistent, identifying the same power station data.
3. The method of claim 1 for PSD power station identification and fault operation model generation, wherein: the step S2 includes the steps of:
s21, establishing a corresponding relation between the partition data in the area exchange power control card in the load flow data file and the node name data of the alternating current node data card according to partitions;
and S22, establishing a corresponding relation between the node name data of the alternating current node data card in the power flow data file and the Chinese name in the invalid sentence in front of the alternating current node data card.
4. The method of claim 1 for PSD power station identification and fault operation model generation, wherein: the step S3 includes the steps of:
s31: generating a relation tree for the power station data according to the corresponding relation between the partition data and the node name data;
s32: the sequence of the generated relation tree is as follows: area, power station, bus, line;
s33: dividing the power station data into four types of 35KV, 115KV, 230KV and 525KV according to different voltage grades;
s34: displaying the classified power station data according to voltage grades and regions, and defining 4-grade nodes aiming at the data of a certain voltage grade, wherein the 4-grade nodes respectively correspond to region nodes, power station nodes, bus nodes and connected line nodes; traversing all the line data of the voltage grade, adding each line data to the bus node of the corresponding voltage grade, adding each bus data containing the voltage grade line to the power station node of the corresponding voltage grade, and finally adding each power station data containing the voltage grade bus to the area node of the corresponding voltage grade, so that the classified power station data are displayed according to the voltage grade and the area classification;
s35: and if the Chinese data related to the power station data in the power flow data file is displayed after the Chinese data is attached to the corresponding power station data.
5. The method of claim 1 for PSD power plant identification and fault operation model generation, wherein the method comprises: the step S4 includes the steps of:
s41: searching for associated bus nodes according to the bus nodes of the power station;
s42: identifying a power station outlet line through a bus node connection mode;
s43: if the connection mode is line connection, identifying the connection mode as a power station outlet line;
s44: and if the connection mode is transformer connection, continuing searching the next-stage bus node until the node with the connection mode of line connection is searched, and identifying the node as the power station outlet line.
6. The method of claim 1 for PSD power plant identification and fault operation model generation, wherein the method comprises: the step S5 includes the steps of:
s51: setting a check box during the data display of the power station, and selecting the power station needing to generate the fault operation model through the check box;
s52: extracting bus node information at two ends of the line through the identified power station outgoing line;
s53: generating a fault operation model according to the bus node information at two ends of the line according to a fault operation model format;
s54: and displaying the generated fault operation model in a preview window.
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