CN202050250U - Electric arc furnace reactive compensation control system - Google Patents
Electric arc furnace reactive compensation control system Download PDFInfo
- Publication number
- CN202050250U CN202050250U CN 201120167074 CN201120167074U CN202050250U CN 202050250 U CN202050250 U CN 202050250U CN 201120167074 CN201120167074 CN 201120167074 CN 201120167074 U CN201120167074 U CN 201120167074U CN 202050250 U CN202050250 U CN 202050250U
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- China
- Prior art keywords
- reactive compensation
- compensation control
- control system
- control unit
- ore deposit
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
Abstract
An electric arc furnace reactive compensation control system belongs to electric power control equipment. Technical scheme of the electric arc furnace reactive compensation control system resides in that the electric arc furnace reactive compensation control system comprises a system control unit of a DSP chip processing MCU manufactured by TI of America, wherein the system control unit is connected with a switching value input and output expansion module which is designed according to 256 channel switching value input detection and 256 channel capacitor switching drive control, and the system control unit is also connected with an analog signal collector and a management system. Beneficial effects of the electric arc furnace reactive compensation control system are that structure of the system is simple, design is reasonable, quantity of controlled capacitors is large, sampling is accurate, and reaction processing speed is fast.
Description
Technical field
The utility model relates to a kind of electric control appliance, relates in particular to the hot stove reactive compensation control system in a kind of electric ore deposit.
Background technology
Because there are characteristics such as power consumption is big, electric current is big, no-power vacancy height in the hot stove in electric ore deposit, adopting capacitor to carry out reactive power compensation needs capacity bigger, again because the restriction of capacitor self-capacity size and the restriction of fling-cut switch amount of capacity, the capacitors count that needs than traditional low-pressure reactive compensation system is many, and traditional reactive compensation control system exists the sampling inaccuracy, reaction is untimely and handle slow shortcoming so adopt.
The utility model content
The utility model is at the existing in prior technology deficiency, and provides a kind of simple in structure, reasonable in design, and control capacitor quantity is many, and sampling is accurate, the hot stove reactive compensation control system in the fireballing electric ore deposit of reaction treatment.
The utility model is realized by following measure: the hot stove reactive compensation control system in a kind of electric ore deposit, it comprises system control unit, described system control unit is connecting according to the switching value input and output enlargement module that the input of 256 way switch amounts detects and 256 road capacitor switching drive controlling design, and described system control unit is also connecting analog signal collector and management system.
Wherein, the processing MCU of said system control unit adopts the dsp chip of American TI Company.
Above-mentioned switching value input/output module is made of 32 input and output enlargement modules, and described each independent input and output enlargement module is connecting 8 road capacitor switches.
Above-mentioned analog signal collector comprises low-pressure side data acquisition unit and high-pressure side data acquisition unit, and described low-pressure side data acquisition unit is made up of Super-Current Measurement equipment and miniature PT; Described high-pressure side data acquisition unit is made up of miniature PT and minitype CT.
Above-mentioned management system capital equipment is a PC, described PC equiping system management software.
The beneficial effect of this programme can be learnt according to the narration to such scheme, and is simple in structure, reasonable in design.System logic concerns clear and rational; Characteristics such as processing MCU adopts the dsp chip of American TI Company, and it has fast operation, and it is accurate to sample can make system response handle in time; The switching value input/output module can be controlled 256 capacitor switches simultaneously, enough the hot stove in electric ore deposit is carried out reactive power compensation control.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
For clearly demonstrating the technical characterstic of this programme,, this programme is set forth below by embodiment.
As shown in Figure 1, the hot stove reactive compensation control system in a kind of electric ore deposit, it comprises system control unit, the processing MCU of system control unit adopts the dsp chip of American TI Company.System control unit is connecting the switching value input and output enlargement module according to the input of 256 way switch amounts detects and 256 road capacitor switching drive controlling design, the switching value input/output module is made of 32 input and output enlargement modules, and each independent input and output enlargement module is connecting 8 road capacitor switches.System control unit is also connecting analog signal collector, and analog signal collector comprises low-pressure side data acquisition unit and high-pressure side data acquisition unit, and the low-pressure side data acquisition unit is made up of Super-Current Measurement device and miniature PT; The high-pressure side data acquisition unit is made up of miniature PT and minitype CT.System control unit is also connecting and management system.The management system capital equipment is a PC, PC equiping system management software.
System control unit is the core of this system, mainly is in charge of the collection and the computing of analog signal, the functions such as management of the assigning of the computing of control logic, capacitor switching order, communication, and be responsible for and upper machine communication, so that good human-computer dialogue to be provided.
The switching value input and output enlargement module detects the input of 256 way switch amounts simultaneously and controls 256 road capacitor switchings and drives.
The Super-Current Measurement device of analog signal collector low-pressure side data acquisition unit can be converted to big current signal (150kA) current signal of 4-20mA, carry out computing in order to system control unit, it is that weak electric signal is equipped with the system control unit calculation process that miniature PT is responsible for the low voltage voltage conversion of signals, and signals collecting is designed to three-phase four systems of three road voltages, the input of three road electric currents; The high-pressure side data acquisition unit mainly is responsible for gathering electric ore deposit hot stove main transformer primary voltage current signal.
Management system can realize functions such as the backup of switching, Various types of data of the adjusting of the checking of the checking of the checking of capacitor state, protective circuit breaker state, various analogue datas, each definite value point, each capacitor and management, realizes the four remote control function of remote signalling, remote measurement, remote control and distant arteries and veins.
The utility model can pass through or adopt existing techniques in realizing without the technical characterictic of describing; do not repeat them here; certainly; above-mentioned explanation is not to be to restriction of the present utility model; the utility model also is not limited in above-mentioned giving an example; variation, remodeling, interpolation or replacement that those skilled in the art are made in essential scope of the present utility model also should belong to protection range of the present utility model.
Claims (5)
1. hot stove reactive compensation control system in electric ore deposit, it is characterized in that: it comprises system control unit, described system control unit is connecting according to the switching value input and output enlargement module that the input of 256 way switch amounts detects and 256 road capacitor switching drive controlling design, and described system control unit is also connecting analog signal collector and management system.
2. the hot stove reactive compensation control system in electric ore deposit according to claim 1 is characterized in that: the processing MCU of described system control unit adopts the dsp chip of American TI Company.
3. the hot stove reactive compensation control system in electric ore deposit according to claim 1 is characterized in that: described switching value input/output module is made of 32 input and output enlargement modules, and described each independent input and output enlargement module is connecting 8 road capacitor switches.
4. the hot stove reactive compensation control system in electric ore deposit according to claim 1, it is characterized in that: described analog signal collector comprises low-pressure side data acquisition unit and high-pressure side data acquisition unit, and described low-pressure side data acquisition unit is made up of Super-Current Measurement equipment and miniature PT; Described high-pressure side data acquisition unit is made up of miniature PT and minitype CT.
5. according to the hot stove reactive compensation control system in the arbitrary described electric ore deposit of claim 1-4, it is characterized in that: described management system capital equipment is a PC, described PC equiping system management software.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120167074 CN202050250U (en) | 2011-05-24 | 2011-05-24 | Electric arc furnace reactive compensation control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120167074 CN202050250U (en) | 2011-05-24 | 2011-05-24 | Electric arc furnace reactive compensation control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202050250U true CN202050250U (en) | 2011-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120167074 Expired - Fee Related CN202050250U (en) | 2011-05-24 | 2011-05-24 | Electric arc furnace reactive compensation control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN202050250U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102222920A (en) * | 2011-06-08 | 2011-10-19 | 山东能发实业有限公司 | Reactive compensation control system for electric mining heat furnace |
| CN104630507A (en) * | 2013-11-08 | 2015-05-20 | 贵阳铝镁设计研究院有限公司 | Single body DSP control method and device of U-type electric reduction furnace and electric distillation furnace |
-
2011
- 2011-05-24 CN CN 201120167074 patent/CN202050250U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102222920A (en) * | 2011-06-08 | 2011-10-19 | 山东能发实业有限公司 | Reactive compensation control system for electric mining heat furnace |
| CN104630507A (en) * | 2013-11-08 | 2015-05-20 | 贵阳铝镁设计研究院有限公司 | Single body DSP control method and device of U-type electric reduction furnace and electric distillation furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111123 Termination date: 20130524 |