CN203222598U - Self-adaption modeling device for ladle refining furnace - Google Patents
Self-adaption modeling device for ladle refining furnace Download PDFInfo
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- CN203222598U CN203222598U CN2013201846441U CN201320184644U CN203222598U CN 203222598 U CN203222598 U CN 203222598U CN 2013201846441 U CN2013201846441 U CN 2013201846441U CN 201320184644 U CN201320184644 U CN 201320184644U CN 203222598 U CN203222598 U CN 203222598U
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- refining furnace
- tester
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- computer
- transformer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The utility model discloses a self-adaption modeling device for a ladle refining furnace and solves the problem that an existing single-phase refining furnace modeling device cannot be adapted to actual working conditions. A transformer (2), a refining furnace (3) and a voltage transformer (5) are respectively and electrically connected with a bus (1), the refining furnace (3) is provided with a current transformer (4), the secondary side of the voltage transformer (5) is electrically connected with the voltage waveform input end of a tester (6), the secondary side of the current transformer (4) is electrically connected with the current waveform input end of the tester (6), the data output end of the tester (6) is connected with the operating data colleting end of a computer (7), and the model communication end of an industrial personal computer (8) is connected with the model communication end of the computer (7) through an Ethernet wire (9). The self-adaption modeling device is simple in wiring, and a test result is intuitive and accurate.
Description
Technical field
The utility model relates to a kind of model building device, particularly a kind of adaptive modeling device of LF shaped steel bag refining furnace.
Background technology
In recent years, the increase of various nonlinear-loads causes the electric power quality problem serious day by day, jeopardizes the safety and economic operation of power system.LF shaped steel bag refining furnace is used for the molten molten steel of first furnace is carried out refining, and can regulate liquid steel temperature, is widely used in industries such as iron and steel, metallurgy.LF shaped steel bag refining furnace is typical nonlinear-load, also is one of load that the quality of power supply is had the greatest impact.The refining furnace modeling is the prerequisite of refining furnace power quality analysis work.Model accurately whether, rationally whether, whether suitability has determined that by force can follow-up work launch smoothly.The refining furnace operation condition is complicated and changeable, so need set up a kind of refining furnace model building device that is applicable to various working.Present refining furnace model is often supposed three-phase equilibrium, represents three-phase research with single-phase refining furnace, mainly comprises the nonlinear time-varying Resistance model for prediction, and nonlinear time-varying voltage source model is based on time-varying reactance model of energy conservation etc.And actual refining furnace three phase power and unequal, the three-phase imbalance problem is serious, carries out the refining furnace model that above-mentioned hypothesis obtains and is difficult to reflect refining furnace actual motion state.And this single-phase refining furnace model often can not be adjusted according to the change of refining furnace operating mode, can't be corresponding with actual condition.
Summary of the invention
The utility model provides a kind of ladle refining furnace adaptive modeling device, and having solved existing single-phase refining furnace model building device can not adjust according to the change of refining furnace operating mode, can't the technical problem corresponding with actual condition.
The utility model is to solve above technical problem by the following technical programs:
A kind of ladle refining furnace adaptive modeling device, comprise bus, refining furnace, tester, computer and industrial computer, on bus, be electrically connected with transformer respectively, refining furnace and voltage transformer, refining furnace is provided with current transformer, the secondary side of voltage transformer is electrically connected with the voltage waveform input terminus of tester, the secondary side of current transformer is electrically connected with the current waveform input terminus of tester, the data output end of tester is connected with the service data collection terminal of computer, and the model communication terminal of industrial computer 8 is connected with the model communication terminal of computer by ethernet line.
The utility model can be optimized and adjust simulation parameters according to actual operating mode, can reflect more accurately that refining furnace truly uses electrical characteristic, thereby for the refining furnace quality of power supply phenomenon under the different operation conditions of research with promote electrical network and admit the refining furnace portative power to provide fundamental basis.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
A kind of ladle refining furnace adaptive modeling device, comprise bus 1, refining furnace 3, tester 6, computer 7 and industrial computer 8, on bus 1, be electrically connected with transformer 2 respectively, refining furnace 3 and voltage transformer 5, refining furnace 3 is provided with current transformer 4, the secondary side of voltage transformer 5 is electrically connected with the voltage waveform input terminus of tester 6, the secondary side of current transformer 4 is electrically connected with the current waveform input terminus of tester 6, the data output end of tester 6 is connected with the service data collection terminal of computer 7, the model communication terminal of industrial computer 8 is connected with the model communication terminal of computer 7 by ethernet line 9, realizes both-way communication.
The adaptive modeling device of three-phase refining furnace of the present utility model can not only reflect the three-phase imbalance problem of refining furnace, and can change model parameter according to the change of operating mode accordingly with corresponding with it.
Utilize the utility model to carry out the method for ladle refining furnace adaptive modeling, may further comprise the steps:
The first step, the secondary side of voltage transformer 5 is electrically connected with the voltage waveform input terminus of tester 6, the secondary side of current transformer 9 is electrically connected with the current waveform input terminus of tester 6, and the data output end of tester 6 is connected with the service data collection terminal of computer 7.The real-time running data of 6 pairs of refining furnaces 2 of tester is tested and is added up, and gives computer 7 with the test data result transmission.
Second goes on foot, the refining furnace parameter of collecting is input in the industrial computer 8, industrial computer 8 is according to key model and the typing parameter of refining furnace 3, set up the equivalent model that adapts with it, and through simplifying calculating, form corresponding mathematics model, will set up mathematical model by both-way communication and transfer in the computer 7.
The 3rd step, according to the mathematical model of the measured data of tester 6 in the first two steps and industrial computer 8 outputs, computer 7 computings draw generalized model and the parameter that is applicable to this refining furnace operational system, finally drawing close to refining furnace 3 really is the realistic model of operation condition, and the data export function that supplies a model.
Native system and method are based on conventional electric energy quality test instrument and modeling analysis system, and connection type is simple, and test result is intuitively accurate.
Claims (1)
1. ladle refining furnace adaptive modeling device, comprise bus (1), refining furnace (3), tester (6), computer (7) and industrial computer (8), it is characterized in that, on bus (1), be electrically connected with transformer (2) respectively, refining furnace (3) and voltage transformer (5), refining furnace (3) is provided with current transformer (4), the secondary side of voltage transformer (5) is electrically connected with the voltage waveform input terminus of tester (6), the secondary side of current transformer (4) is electrically connected with the current waveform input terminus of tester (6), the data output end of tester (6) is connected with the service data collection terminal of computer (7), and the model communication terminal of industrial computer (8) is connected with the model communication terminal of computer (7) by ethernet line (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201846441U CN203222598U (en) | 2013-04-12 | 2013-04-12 | Self-adaption modeling device for ladle refining furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201846441U CN203222598U (en) | 2013-04-12 | 2013-04-12 | Self-adaption modeling device for ladle refining furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203222598U true CN203222598U (en) | 2013-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201846441U Expired - Lifetime CN203222598U (en) | 2013-04-12 | 2013-04-12 | Self-adaption modeling device for ladle refining furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203222598U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105205192A (en) * | 2014-06-19 | 2015-12-30 | 国网山西省电力公司电力科学研究院 | Adaptive modeling device for three-phase alternating-current electric arc furnace and simulation algorithm thereof |
-
2013
- 2013-04-12 CN CN2013201846441U patent/CN203222598U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105205192A (en) * | 2014-06-19 | 2015-12-30 | 国网山西省电力公司电力科学研究院 | Adaptive modeling device for three-phase alternating-current electric arc furnace and simulation algorithm thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131002 |