CN204376367U - The microcomputer protective relay device of automatic calibration function - Google Patents
The microcomputer protective relay device of automatic calibration function Download PDFInfo
- Publication number
- CN204376367U CN204376367U CN201420813216.5U CN201420813216U CN204376367U CN 204376367 U CN204376367 U CN 204376367U CN 201420813216 U CN201420813216 U CN 201420813216U CN 204376367 U CN204376367 U CN 204376367U
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- module
- relay device
- protective relay
- microcomputer protective
- automatic calibration
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- 230000001681 protective effect Effects 0.000 title claims abstract description 33
- 238000004891 communication Methods 0.000 claims abstract description 12
- 238000004364 calculation method Methods 0.000 claims abstract description 7
- 230000003993 interaction Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model discloses the microcomputer protective relay device of automatic calibration function; module, human-computer dialogue module when including master control processing module, power module, analogue collection module, switching input module, switching value output module, serial communication module, ethernet communication module, GPS couple, realize the functions such as the observing and controlling in electric power system, protection, communication.Analog quantity automatic calibration module is provided with in described master control processing module; it is characterized in that the electric current and voltage value that automatically can read normal voltage current value and microcomputer protective relay device to be checked; and the deviate of both comparisons; when not in accuracy rating; according to the automatic calculation compensation coefficient of electric current and voltage deviate, automatically complete the calibration operation of microcomputer protective relay device.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.
Description
Technical field
The utility model relates to electric power electrical apparatus field, particularly relates to a kind of microcomputer protective relay device with automatic calibration function.
Background technology
Microcomputer protective relay device application is with electric power system; when the force device in electric power system or electric power system itself there occurs fault jeopardize safe operation of power system time; microcomputer protective relay device is used for sending warning signal to operator, or sends trip signal to stop a kind of automation measure and the equipment of these event evolves directly to controlled circuit breaker.
Microcomputer protective relay device 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 show value, judges whether show value and standard value exist deviation one by one, and if any deviation then by after artificial calculating, adjustment penalty coefficient compensates.Existing microcomputer protective relay device electric current and voltage calibrating 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 microcomputer protective relay device 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 microcomputer protective relay device 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 microcomputer protective relay device 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, after meeting accuracy rating, store penalty coefficient and apply, automatically the calibration operation of microcomputer protective relay device is completed.
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 microcomputer protective relay device 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 microcomputer protective relay device.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
Fig. 1 is the utility model block diagram of system.
Fig. 2 is the utility model automatic calibration function flow chart.
Embodiment
With reference to Fig. 1, the microcomputer microcomputer protective relay device 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, human-computer dialogue module 9, it is characterized in that being provided with analog quantity automatic calibration module 10 in described master control processing module 1, automatically the electric current and voltage value of normal voltage current value and microcomputer protective relay device 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 the calibration operation of microcomputer protective relay device is completed.
The utility model is when realizing automatic calibration function; first a preassigned fixed voltage or current value is inputted to microcomputer protective relay device; master control processing module 1 is calculation compensation coefficient under the cooperation of automatic calibration module 10; the automatic calibration of each input variable (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 microcomputer protective relay device, then utilize human-computer dialogue 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 microcomputer protective relay device.
Described above is concrete enforcement technical scheme of the present utility model and operation principle, and certain those skilled in the art improves according to the technical program, and the protection range belonging to the technical program is appointed in this improvement.
Claims (8)
1. the microcomputer protective relay device of automatic calibration function, include master control processing module, power module, analogue collection module, switching input module, switching value output module, serial communication module, ethernet communication module, module during GPS couple, human-computer dialogue module, it is characterized in that being provided with analog quantity automatic calibration module in described master control processing module, automatically the electric current and voltage value of normal voltage current value and microcomputer protective relay device 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 the calibration operation of microcomputer protective relay device is completed.
2. the microcomputer protective relay device of automatic calibration function according to claim 1, is characterized in that comprising power module, and the output of power module is connected with master control processing module, provides the working power of microcomputer protective relay device.
3. the microcomputer protective relay device of automatic calibration function according to claim 1, is characterized in that comprising analogue collection module, and the output of analogue collection module is connected with master control processing module, realizes the collection of real time electrical quantity data.
4. the microcomputer protective relay device of automatic calibration function according to claim 1, is characterized in that comprising switching input module, and the output of switching input module is connected with master control processing module, realizes the state acquisition of Real-Time Switch amount.
5. the microcomputer protective relay device of automatic calibration function according to claim 1, is characterized in that comprising switching value output module, and the input of switching value output module is connected with master control processing module, realizes outputing of the various actions of protection.
6. the microcomputer protective relay device 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 microcomputer protective relay device of automatic calibration function according to claim 1, module when it is characterized in that comprising GPS couple, during GPS couple, the output of module is connected with master control processing module, realizes GPS time adjustment function.
8. the microcomputer protective relay device of automatic calibration function according to claim 1, it is characterized in that comprising human-computer dialogue module, human-computer dialogue module is connected with master control processing module, realizes comprising display, button operation man-machine interaction work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420813216.5U CN204376367U (en) | 2014-12-22 | 2014-12-22 | The microcomputer protective relay device of automatic calibration function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420813216.5U CN204376367U (en) | 2014-12-22 | 2014-12-22 | The microcomputer protective relay device of automatic calibration function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204376367U true CN204376367U (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420813216.5U Expired - Fee Related CN204376367U (en) | 2014-12-22 | 2014-12-22 | The microcomputer protective relay device of automatic calibration function |
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| Country | Link |
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| CN (1) | CN204376367U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105607574A (en) * | 2016-02-04 | 2016-05-25 | 天津市英贝特航天科技有限公司 | Adaptive analog quantity calibrating device |
| CN106950891A (en) * | 2017-05-03 | 2017-07-14 | 浙江蒙越电力科技有限公司 | A kind of box type transformer intelligent measuring and control device and its control system |
-
2014
- 2014-12-22 CN CN201420813216.5U patent/CN204376367U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105607574A (en) * | 2016-02-04 | 2016-05-25 | 天津市英贝特航天科技有限公司 | Adaptive analog quantity calibrating device |
| CN106950891A (en) * | 2017-05-03 | 2017-07-14 | 浙江蒙越电力科技有限公司 | A kind of box type transformer intelligent measuring and control device and its control system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Microcomputer relay protection device with automatic calibration function Effective date of registration: 20151103 Granted publication date: 20150603 Pledgee: Wuhan rural commercial bank Limited by Share Ltd economic and Technological Development Zone Branch Pledgor: WUHAN HUAGONG ELECTRIC AUTOMATION CO., LTD. Registration number: 2015420000026 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20161108 Granted publication date: 20150603 Pledgee: Wuhan rural commercial bank Limited by Share Ltd economic and Technological Development Zone Branch Pledgor: WUHAN HUAGONG ELECTRIC AUTOMATION CO., LTD. Registration number: 2015420000026 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20161121 Granted publication date: 20150603 Pledgee: Wuhan rural commercial bank Limited by Share Ltd economic and Technological Development Zone Branch Pledgor: WUHAN HUAGONG ELECTRIC AUTOMATION CO., LTD. Registration number: 2016420000045 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Microcomputer relay protection device with automatic calibration function Effective date of registration: 20161110 Granted publication date: 20150603 Pledgee: Wuhan rural commercial bank Limited by Share Ltd economic and Technological Development Zone Branch Pledgor: WUHAN HUAGONG ELECTRIC AUTOMATION CO., LTD. Registration number: 2016420000045 Denomination of utility model: Microcomputer relay protection device with automatic calibration function Effective date of registration: 20161121 Granted publication date: 20150603 Pledgee: Wuhan rural commercial bank Limited by Share Ltd economic and Technological Development Zone Branch Pledgor: WUHAN HUAGONG ELECTRIC AUTOMATION CO., LTD. Registration number: 2016420000048 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20171122 Granted publication date: 20150603 Pledgee: Wuhan rural commercial bank Limited by Share Ltd economic and Technological Development Zone Branch Pledgor: WUHAN HUAGONG ELECTRIC AUTOMATION CO., LTD. Registration number: 2016420000048 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Microcomputer relay protection device with automatic calibration function Effective date of registration: 20171123 Granted publication date: 20150603 Pledgee: Wuhan rural commercial bank Limited by Share Ltd economic and Technological Development Zone Branch Pledgor: WUHAN HUAGONG ELECTRIC AUTOMATION CO., LTD. Registration number: 2017420000041 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20201222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |