CN102707145A - Power frequency parameter calculation method of high voltage transmission line - Google Patents
Power frequency parameter calculation method of high voltage transmission line Download PDFInfo
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- CN102707145A CN102707145A CN2012101699283A CN201210169928A CN102707145A CN 102707145 A CN102707145 A CN 102707145A CN 2012101699283 A CN2012101699283 A CN 2012101699283A CN 201210169928 A CN201210169928 A CN 201210169928A CN 102707145 A CN102707145 A CN 102707145A
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Abstract
The invention relates to the technical field of a power frequency parameter calculation method of a high voltage transmission line, belonging to the application of computer technology in estimation of power frequency parameters of the high voltage transmission line. The power frequency parameter calculation method of the high voltage transmission line comprises three modules including a parameter calculation module, a historical data query module and a parameter setting module. By the application of the calculation method, a fine human-computer interface is provided; the calculation method can be used on various types of poles and towers, thus the characteristic of wide application is realized; simultaneously the accuracy rate of line parameter calculation is improved; the storing function of test data, the output of a testing program and the print of a test report can be realized, and the work efficiency of staff is enhanced greatly; and a parameter upgrade window is reserved to facilitate future increase of physical data. The calculation method achieves the aims of use convenience for testers, and accurate and reliable calculation results, and the technical problems in actual production are solved.
Description
Technical field
The present invention relates to a kind of technical field of ultra-high-tension power transmission line power frequency parameter computing method, belong to the application of computer technology aspect the estimation of ultra-high-tension power transmission line power frequency parameter.
Background technology
Transmission line of electricity is the important component part of electric system; Power frequency parameter then is the important characteristic of transmission line of electricity; Be the indispensable parameter that mathematical models of power system is set up in work such as electric power system tide calculating, relay protection setting calculating and selection power system operation mode before, the accuracy of power frequency parameter is related to the safe and stable operation of electrical network.The acquisition of line parameter circuit value has two kinds of methods: the one, obtain through actual measurement, and the 2nd, carry out the Theoretical Calculation acquisition according to the arrangement mode and the parameter of circuit.Actual measurement is auxilliary mutually the application in reality with two kinds of methods of Theoretical Calculation.
Before the power transmission line power frequency parameter theory calculated, Theoretical Calculation generally adopted the method for hand computation, to the less demanding circuit of accuracy, also can adopt the method for tabling look-up for part in computer utility.Increase along with the wire loop number; The calculated amount of transmission line parameter Theoretical Calculation will significantly increase; Consider the problem of calculated amount, when carrying out hand computation, just done considerable hypothesis and approximate, therefore early stage Theoretical Calculation not only can only be applied to the less situation of wire loop number; Generally be not more than twice, and the accuracy of calculating neither be very high.From eighties of last century sixties, computing machine begins to be applied to the Theoretical Calculation of transmission line parameter.But just some simple computing applications; Do not consider a lot of correlative factors in demand of practical production and the reality; Therefore in order increasing work efficiency, just to need a accuracy in computation of design high, can be applied to the complicated more circuit of arrangement mode in the reality; And consider the needs of real work, solve the computing method of the problem in the real work.
Summary of the invention
In order to solve the problem that exists in the above-mentioned prior art; The invention provides a kind of ultra-high-tension power transmission line power frequency parameter computing method, can effectively solve the low accuracy rate of transmission line parameter Theoretical Calculation, inefficient problem; Improve the managerial ability of this test; Make its normalization, specialization, it is necessary to be that Theoretical Calculation can be applied to actual production.
The technical solution adopted for the present invention to solve the technical problems is:
Ultra-high-tension power transmission line power frequency parameter computing method comprise calculation of parameter, and the inquiry of historical data and parameter are provided with three modules;
Described parameter calculating module: comprise that tower structure is selected, the arrangements of conductors mode is selected and the ground wire model is selected, three modules of testing program establishment;
Wherein said tower structure is selected module: comprise the shaft tower model;
The arrangements of conductors mode is selected module: comprise and select the input lead model, if split conductor is then answered input lead Shu Jun distance, calculate conductor resistance and lead equivalent radius;
The ground wire model is selected module: at first import the ground wire model, and calculate ground line resistance and ground wire equivalent radius; Incoming line length again, and calculate according to line parameter circuit value input data;
According to the aforementioned calculation result, generate testing program, carry out data again and preserve or module through testing program is worked out, generate the WORD document, select whether to print output.
Described shaft tower model comprises: single loop line, double loop, be arranged above and below, rounded projections arranged, horizontal module.
Described conductor structure comprises S.C., double bundle conductor, tripartition lead and conductors on quad bundled.
Described the inquiry of historical data module is the functional module of checking historical data through the incoming line title.
It is to be upgrading of physical parameter such as wire type, tower structure reservation from now on and the additional module of using that described parameter is provided with module.
The invention has the beneficial effects as follows that application of the present invention provides good man computer interface, can on various shaft tower types, use; Make its characteristics, improved the accuracy rate that line parameter circuit value calculates simultaneously, can realize the hold function of test figure with widespread use; The output of testing program and the printing of test report; Improved staff's work efficiency greatly, and reserved parameter upgrading window, for the increase of physical data later on facilitates.It is easy to use to reach testing crew, and result of calculation is accurate, and purpose has solved the technical matters in the production reality reliably.
Description of drawings
Below in conjunction with accompanying drawing and specific embodiment the present invention is done further detailed explanation.
Fig. 1 is a software system structure block diagram of the present invention;
Fig. 2 is a program main flow chart of the present invention;
Fig. 3 is a parameter calculating module synoptic diagram of the present invention;
Fig. 4 is a inquiry of historical data module diagram of the present invention;
Fig. 5 is that parameter is provided with module diagram among the present invention.
Embodiment
The present invention is a kind of ultra-high-tension power transmission line power frequency parameter computing method; It is experience according to transmission line parameter calculating both at home and abroad; Based on the Carlson, Evans Fordyce mathematical model; High pressure is carried out theoretical research and calculate to derive with the computing method of the electric parameter of tower transmission line of electricity, and each preface component parameter of computational scheme on this basis.As shown in Figure 1, ultra-high-tension power transmission line power frequency parameter software for calculation of the present invention, Application V B.net high-level programming language; Accomplish the power transmission line power frequency calculation of parameter, had practical program interface, the parameter of built-in to greatest extent all kinds of transmission line of electricity devices; And reserve parameter and upgrade; System can realize that testing program generates, and test report is printed, the function of test figure storage.
As shown in Figure 2; The present invention mainly comprises calculation of parameter, and the inquiry of historical data and parameter are provided with three modules, mainly accomplishes calculating, testing program and reporting printing, the data arbitration functions of line parameter circuit value; The inquiry of historical data function, and parameter is provided with function realization physical parameter upgrading and additional.
1, module one is a parameter calculating module.
As shown in Figure 3; This module comprises that mainly tower structure selection, arrangements of conductors mode and ground wire model are selected, 3 modules of testing program establishment; Wherein tower structure selects module to comprise shaft tower model commonly used, such as single loop line, double loop, be arranged above and below, rounded projections arranged, the convenient selection such as horizontal.Arrangements of conductors mode and ground wire model are selected module to comprise and are selected the input lead model; If split conductor; Then answer input lead Shu Jun distance, calculate conductor resistance and lead equivalent radius, conductor structure comprises S.C., double bundle conductor, tripartition lead and conductors on quad bundled; Input ground wire model is calculated ground line resistance and ground wire equivalent radius; Incoming line length is clicked after the completion line parameter circuit value input data and is confirmed, promptly accomplishes the calculating of line parameter circuit value.Provide testing program if desired and select the testing program establishment, testing program is worked out, generate the WORD document, print, can select printing function like need.
2, module two is the inquiry of historical data modules.
As shown in Figure 4, this module is mainly accomplished the inquiry of historical line parameter circuit value, as long as the incoming line title just can be checked historical data.This module mainly is for the needs of test report are provided, and the user need be for being provided test report by test side after off-test, promptly during test figure; We select this module, and the input name query goes out the data that estimate before the test, simultaneously the numerical value loading routine of actual measurement; The final test report is worked out; Generate the WORD document, print, can select printing function like need.
3, module three is that parameter is provided with module.
This module mainly is thought of as the upgrading of physical parameter such as wire type, tower structure reservation from now on and uses.The user who only has authority can use, and just can add parameter through the interface, need not backstage update routine again, for the user provides convenience.As shown in Figure 5, select parameter that module is set, if the user need add new wire type,, just can select corresponding title to get final product during use as long as typing lead title and parameter thereof just can be added in the database.Other parameter increases as stated.
Claims (5)
1. ultra-high-tension power transmission line power frequency parameter computing method, it is characterized in that: comprise calculation of parameter, the inquiry of historical data and parameter are provided with three modules;
Described parameter calculating module: comprise that tower structure is selected, the arrangements of conductors mode is selected and the ground wire model is selected, three modules of testing program establishment;
Wherein said tower structure is selected module: comprise the shaft tower model;
The arrangements of conductors mode is selected module: comprise and select the input lead model, if split conductor is then answered input lead Shu Jun distance, calculate conductor resistance and lead equivalent radius;
The ground wire model is selected module: at first import the ground wire model, and calculate ground line resistance and ground wire equivalent radius; Incoming line length again, and calculate according to line parameter circuit value input data;
According to the aforementioned calculation result, generate testing program, carry out data again and preserve or module through testing program is worked out, generate the WORD document, select whether to print output.
2. ultra-high-tension power transmission line power frequency parameter computing method according to claim 1 is characterized in that: described shaft tower model comprises: single loop line, double loop, be arranged above and below, rounded projections arranged, horizontal module.
3. ultra-high-tension power transmission line power frequency parameter computing method according to claim 1 is characterized in that: described conductor structure comprises S.C., double bundle conductor, tripartition lead and conductors on quad bundled.
4. ultra-high-tension power transmission line power frequency parameter computing method according to claim 1 is characterized in that: described the inquiry of historical data module is the functional module of checking historical data through the incoming line title.
5. ultra-high-tension power transmission line power frequency parameter computing method according to claim 1 is characterized in that: it is to be upgrading of physical parameter such as wire type, tower structure reservation from now on and the additional module of using that described parameter is provided with module.
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| CN2012101699283A CN102707145A (en) | 2012-05-29 | 2012-05-29 | Power frequency parameter calculation method of high voltage transmission line |
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| CN2012101699283A CN102707145A (en) | 2012-05-29 | 2012-05-29 | Power frequency parameter calculation method of high voltage transmission line |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104361209A (en) * | 2014-10-23 | 2015-02-18 | 国网甘肃省电力公司天水供电公司 | Method for obtaining line parameters under various frameworks |
| CN104407216A (en) * | 2014-10-24 | 2015-03-11 | 国网甘肃省电力公司天水供电公司 | Method for obtaining line parameters of power system |
Citations (2)
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| CN1629646A (en) * | 2004-08-25 | 2005-06-22 | 江苏省电力公司南京供电公司 | Power frequency parameter tester and testing method for high tension transmission line |
| CN101034117A (en) * | 2007-04-02 | 2007-09-12 | 武汉大学 | Power transmission line power frequency parameters measuring method and device |
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2012
- 2012-05-29 CN CN2012101699283A patent/CN102707145A/en active Pending
Patent Citations (2)
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| CN1629646A (en) * | 2004-08-25 | 2005-06-22 | 江苏省电力公司南京供电公司 | Power frequency parameter tester and testing method for high tension transmission line |
| CN101034117A (en) * | 2007-04-02 | 2007-09-12 | 武汉大学 | Power transmission line power frequency parameters measuring method and device |
Non-Patent Citations (2)
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| 张明珠等: "基于MATLAB的输电线路工频参数计算", 《许昌学院学报》, vol. 29, no. 2, 31 March 2010 (2010-03-31), pages 38 - 41 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104361209A (en) * | 2014-10-23 | 2015-02-18 | 国网甘肃省电力公司天水供电公司 | Method for obtaining line parameters under various frameworks |
| CN104407216A (en) * | 2014-10-24 | 2015-03-11 | 国网甘肃省电力公司天水供电公司 | Method for obtaining line parameters of power system |
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Owner name: STATE ELECTRIC NET CROP. Effective date: 20121009 |
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Effective date of registration: 20121009 Address after: 110811 eight Heping Street, 94 Heping Street, Liaoning, Shenyang Applicant after: Liaoning Shenyang Electric Power Supply Co., Ltd. Applicant after: State Grid Corporation of China Address before: 110811 eight Heping Street, 94 Heping Street, Liaoning, Shenyang Applicant before: Liaoning Shenyang Electric Power Supply Co., Ltd. |
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Application publication date: 20121003 |