CN204883211U - Automatic excitation control unit of calibration function - Google Patents
Automatic excitation control unit of calibration function Download PDFInfo
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- CN204883211U CN204883211U CN201520414260.3U CN201520414260U CN204883211U CN 204883211 U CN204883211 U CN 204883211U CN 201520414260 U CN201520414260 U CN 201520414260U CN 204883211 U CN204883211 U CN 204883211U
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Abstract
The utility model discloses an automatic excitation control unit of calibration function, including master control processing module, power module, analog quantity collection module, quantum digital input module, on -off output module, serial port communication module, ethernet communication module, GPS to the time module, man -machine dialogue module, pulse output module, realize keeping through control excitation system and send out motor terminal voltage and move the no distribution of work between the unit side by side at setting value, power module 0, improve power module 1's stability. Be provided with analog quantity self -calibration module in the master control processing module, characterized by ability character recognition standard voltage current value and the voltage and current who waits to examine the excitation control unit to compare the two discrepancy, when not in the accuracy rating, according to voltage electric current discrepancy automatic calculation penalty coefficient, accomplish the calibration operation of excitation control unit voluntarily. The utility model discloses greatly increased measured data's demonstration and action precision, as long as the fixed voltage and current of input just can calibrate, do not need too much artificial intervention, reduce the debugging degree of difficulty and debug the step, improved efficiency.
Description
Technical field
The utility model relates to electric power electrical apparatus field, particularly relates to a kind of excitation con-trol unit with automatic calibration function.
Background technology
In excitation con-trol unit application and electric system, Main Function is: 1, maintain generator voltage at set-point, when generator load changes, carrys out constant set end voltage by regulating the power in magnetic field; 2, between reasonable distribution paired running unit without the distribution of work; 3, improve the stability of electric system, comprise static stability and transient stability and dynamic stability.
Excitation con-trol unit is after production completes, and electric current and voltage all exists certain error, needs when dispatching from the factory debugging and field adjustable by adjustment penalty coefficient, the voltage that guarantee exports, the accuracy of current value.Existing mode is by manually checking standard value and displayed value, judges whether displayed value and standard value exist deviation one by one, and if any deviation then by after artificial calculating, adjustment penalty coefficient compensates.Existing excitation con-trol cell voltage correcting current mode needs too much manual intervention, causes inefficiency, there is larger fault rate.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of excitation con-trol unit removed manual operations from, greatly improve the automatic calibration function of collection signal precision.
The technical scheme in the invention for solving the above technical problem is: the microcomputer excitation control module of automatic calibration function is provided with analog quantity automatic calibration module in master control processing module, operator is accustomed to according to self, customize one or more standard electric values, in use procedure, by reading the electric current and voltage value of normal voltage current value and excitation con-trol unit to be checked, and contrast conting electric current and voltage deviate, when not in accuracy rating, according to the automatic calculation compensation coefficient of electric current and voltage deviate, store penalty coefficient and apply, electric current and voltage deviate is made to meet accuracy rating, thus complete the calibration operation of excitation con-trol unit simulation amount.
The excitation con-trol unit of automatic calibration function, include master control processing module (1), power module (2), analogue collection module (3), switching input module (4), switching value output module (5), serial communication module (6), ethernet communication module (7), module (8) during GPS couple, man-machine conversation module (9), pulse output module (10), it is characterized in that being provided with analog quantity automatic calibration module (11) in described master control processing module (1), the electric current and voltage value that analog quantity automatic calibration module reads normal voltage current value and excitation con-trol unit to be checked is automatically provided with in described master control processing module (1), and contrast conting electric current and voltage deviate, when not in accuracy rating, according to the automatic calculation compensation coefficient of electric current and voltage deviate, after meeting accuracy rating, store penalty coefficient and apply, automatically the calibration operation of excitation con-trol unit is completed.
The excitation con-trol unit of described automatic calibration function, is characterized in that comprising power module, and the output terminal of power module is connected with master control processing module, provides the working power of excitation con-trol unit.
The excitation con-trol unit of described automatic calibration function, is characterized in that comprising analogue collection module, and the output terminal of analogue collection module is connected with master control processing module, realizes the collection of real time electrical quantity data.
The excitation con-trol unit of described automatic calibration function, is characterized in that comprising switching input module, and the output terminal of switching input module is connected with master control processing module, realizes the state acquisition of Real-Time Switch amount.
The excitation con-trol unit of described automatic calibration function, is characterized in that comprising switching value output module, and the input end of switching value output module is connected with master control processing module, realizes outputing of the various actions of protection.
The excitation con-trol unit of described automatic calibration function, it is characterized in that comprising serial communication module, ethernet communication module, serial communication module, ethernet communication module are connected with master control processing module, realize the monitoring with the various communication modes of host computer.
The excitation con-trol unit of described automatic calibration function, module when it is characterized in that comprising GPS couple, during GPS couple, the output terminal of module is connected with master control processing module, realizes GPS time adjustment function.
The excitation con-trol unit of described automatic calibration function, it is characterized in that comprising man-machine conversation module, man-machine conversation module is connected with master control processing module, realizes comprising display, button operation man-machine interaction work.
The excitation con-trol unit of described automatic calibration function, is characterized in that comprising pulse output module, and the input end of pulse output module is connected with master control processing module, realizes pulse output function.
The beneficial effects of the utility model are: the analog quantity automatic calibration module of the utility model by arranging in master control processing module, automatically the electric current and voltage value of normal voltage current value and excitation con-trol unit to be checked can be read, and contrast conting electric current and voltage deviate, when not in accuracy rating, according to the automatic calculation compensation coefficient of electric current and voltage deviate, automatically complete the calibration operation of excitation con-trol unit.The utility model considerably increases display and the operation precision of measurement data, as long as the electric current and voltage value that input is fixed just can be calibrated, does not need too much manual intervention, reduces debugging difficulty and debugging step, improves efficiency.
Accompanying drawing explanation
Accompanying drawing 1 is the utility model block diagram of system.
Accompanying drawing 2 is the utility model automatic calibration function process flow diagrams.
Embodiment
With reference to accompanying drawing 1, the microcomputer excitation control module of automatic calibration function of the present utility model, include master control processing module (1), power module (2), analogue collection module (3), switching input module (4), switching value output module (5), serial communication module (6), ethernet communication module (7), module (8) during GPS couple, man-machine conversation module (9), pulse output module (10), it is characterized in that being provided with analog quantity automatic calibration module (11) in described master control processing module (1), automatically the electric current and voltage value of normal voltage current value and excitation con-trol unit to be checked can be read, and contrast conting electric current and voltage deviate, when not in accuracy rating, according to the automatic calculation compensation coefficient of electric current and voltage deviate, after meeting accuracy rating, store penalty coefficient and apply, automatically the calibration operation of excitation con-trol unit is completed.
The utility model is when realizing automatic calibration function, input a preassigned fixed voltage or current value first to excitation con-trol unit, master control processing module (1) is calculation compensation coefficient under the cooperation of automatic calibration module (10), the automatic calibration of each input quantity (as IA, IB, IC, UA, UB, UC etc.) can utilize said method to realize, and is described below for IA to calibration steps of the present utility model.
As shown in Figure 2, input a standard value of specifying from the analog input end IA of excitation con-trol unit, then utilize man-machine conversation module to master control processing module input " automatic calibration " order.Now master control processing module judges that the analog quantity of input is preassigned standard value, and after the processing module of master control simultaneously detects again the order input of " automatic calibration ", master control processing module will enter automatic calibration module and carry out automatic calibration process.Standard value and measured value are compared by automatic calibration module, when error is in allowed band, then complete the calibration of IA, if error is not in allowed limits, then by standard value and measured value calculation compensation coefficient, the measured value of IA and the product of penalty coefficient are preserved as new measured value, standard value and measured value are carried out comparison again by automatic calibration module, when error is in allowed band, then complete the calibration of IA, if error is not in allowed limits, recalibrate, until calibration is correct, the measured value finally obtained is exactly the actual value of the analog input end IA of actual excitation con-trol unit.
Described above is concrete enforcement technical scheme of the present utility model and principle of work, and certain those skilled in the art improves according to the technical program, and the protection domain belonging to the technical program is appointed in this improvement.
Claims (9)
1. the excitation con-trol unit of automatic calibration function, include master control processing module (1), power module (2), analogue collection module (3), switching input module (4), switching value output module (5), serial communication module (6), ethernet communication module (7), module (8) during GPS couple, man-machine conversation module (9), pulse output module (10), it is characterized in that being provided with analog quantity automatic calibration module (11) in described master control processing module (1), the electric current and voltage value that analog quantity automatic calibration module reads normal voltage current value and excitation con-trol unit to be checked is automatically provided with in described master control processing module (1), and contrast conting electric current and voltage deviate, when not in accuracy rating, according to the automatic calculation compensation coefficient of electric current and voltage deviate, after meeting accuracy rating, store penalty coefficient and apply, automatically the calibration operation of excitation con-trol unit is completed.
2. the excitation con-trol unit of automatic calibration function according to claim 1, is characterized in that comprising power module, and the output terminal of power module is connected with master control processing module, provides the working power of excitation con-trol unit.
3. the excitation con-trol unit of automatic calibration function according to claim 1, is characterized in that comprising analogue collection module, and the output terminal of analogue collection module is connected with master control processing module, realizes the collection of real time electrical quantity data.
4. the excitation con-trol unit of automatic calibration function according to claim 1, is characterized in that comprising switching input module, and the output terminal of switching input module is connected with master control processing module, realizes the state acquisition of Real-Time Switch amount.
5. the excitation con-trol unit of automatic calibration function according to claim 1, is characterized in that comprising switching value output module, and the input end of switching value output module is connected with master control processing module, realizes outputing of the various actions of protection.
6. the excitation con-trol unit of automatic calibration function according to claim 1, it is characterized in that comprising serial communication module, ethernet communication module, serial communication module, ethernet communication module are connected with master control processing module, realize the monitoring with the various communication modes of host computer.
7. the excitation con-trol unit of automatic calibration function according to claim 1, module when it is characterized in that comprising GPS couple, during GPS couple, the output terminal of module is connected with master control processing module, realizes GPS time adjustment function.
8. the excitation con-trol unit of automatic calibration function according to claim 1, it is characterized in that comprising man-machine conversation module, man-machine conversation module is connected with master control processing module, realizes comprising display, button operation man-machine interaction work.
9. the excitation con-trol unit of automatic calibration function according to claim 1, is characterized in that comprising pulse output module, and the input end of pulse output module is connected with master control processing module, realizes pulse output function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520414260.3U CN204883211U (en) | 2015-06-16 | 2015-06-16 | Automatic excitation control unit of calibration function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520414260.3U CN204883211U (en) | 2015-06-16 | 2015-06-16 | Automatic excitation control unit of calibration function |
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| CN204883211U true CN204883211U (en) | 2015-12-16 |
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| CN201520414260.3U Expired - Fee Related CN204883211U (en) | 2015-06-16 | 2015-06-16 | Automatic excitation control unit of calibration function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113485503A (en) * | 2021-07-03 | 2021-10-08 | 南京博兰得电子科技有限公司 | Power supply and method for automatically calibrating output value |
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2015
- 2015-06-16 CN CN201520414260.3U patent/CN204883211U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113485503A (en) * | 2021-07-03 | 2021-10-08 | 南京博兰得电子科技有限公司 | Power supply and method for automatically calibrating output value |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20170616 |