CN201323439Y - Protective device for ratio differential microcomputer - Google Patents
Protective device for ratio differential microcomputer Download PDFInfo
- Publication number
- CN201323439Y CN201323439Y CNU2008202318042U CN200820231804U CN201323439Y CN 201323439 Y CN201323439 Y CN 201323439Y CN U2008202318042 U CNU2008202318042 U CN U2008202318042U CN 200820231804 U CN200820231804 U CN 200820231804U CN 201323439 Y CN201323439 Y CN 201323439Y
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- CN
- China
- Prior art keywords
- microcomputer
- protective device
- protecting device
- protection
- verification
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a microcomputer protective device for a power system. The device comprises a microcomputer protective device and a microcomputer-protection verification device, wherein, the microcomputer protective device is connected at the secondary side of a primary device of the power system, and the microcomputer-protection verification device is connected with the microcomputer protective device. The utility model has the advantages that the device can perform analysis to the ratio differential characteristic in the microcomputer protective device, can calculate various experimental parameters only through simple data input, reduces the work load of verification, reduces the verification time and provides assurance for the stable running of the system.
Description
Technical field
The utility model relates to the electric power system microcomputer protecting device.
Background technology
In electric power system; microcomputer protecting device has become the standard configuration of relaying protection system; tranformer protection is main protection with the differential protection; differential protection generally adopts ratio formula differential protection principle in the microcomputer protecting device; so differential protection verification work is important link; past differential protection verification is the startup value of verification protection, and the contrast ratio braking characteristic does not carry out verification.
Summary of the invention
The purpose of this utility model provides a kind of percentage differential microcomputer protecting device that can analyze the percentage differential characteristic in the microcomputer protecting device.
The utility model is achieved through the following technical solutions:
The percentage differential microcomputer protecting device, this device is made of microcomputer protecting device and Microcomputer Protection calibration equipment, and microcomputer protecting device is connected to the power system main equipment secondary side, and the Microcomputer Protection calibration equipment is connected with microcomputer protecting device.
The utility model has the advantages that: can analyze the percentage differential characteristic in the microcomputer protecting device; only need to calculate various experiment parameters, reduce the verification workload by the simple data input; shortened checking time, for the stable operation of system provides safeguard.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
See Fig. 1; the percentage differential microcomputer protecting device; this device is made of microcomputer protecting device and Microcomputer Protection calibration equipment; microcomputer protecting device is connected to the power system main equipment secondary side; the Microcomputer Protection calibration equipment is connected with microcomputer protecting device; the Microcomputer Protection calibration equipment is equipped with the differential protection verification software, and microcomputer protecting device adopts RCS978 series.
The course of work of this device is: power system main equipment secondary side parameter input microcomputer protecting device; the Microcomputer Protection calibration equipment carries out verification to microcomputer protecting device; by the differential protection verification software Microcomputer Protection calibration equipment is realized the protection verification, thereby guaranteed the safe and stable operation of electric power system.
Claims (1)
1, the percentage differential microcomputer protecting device is characterized in that, this device is made of microcomputer protecting device and Microcomputer Protection calibration equipment, and microcomputer protecting device is connected to the power system main equipment secondary side, and the Microcomputer Protection calibration equipment is connected with microcomputer protecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202318042U CN201323439Y (en) | 2008-12-18 | 2008-12-18 | Protective device for ratio differential microcomputer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202318042U CN201323439Y (en) | 2008-12-18 | 2008-12-18 | Protective device for ratio differential microcomputer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201323439Y true CN201323439Y (en) | 2009-10-07 |
Family
ID=41160811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202318042U Expired - Fee Related CN201323439Y (en) | 2008-12-18 | 2008-12-18 | Protective device for ratio differential microcomputer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201323439Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142448A (en) * | 2014-07-31 | 2014-11-12 | 国家电网公司 | Method for automatically checking protection functions of microcomputer main-transformer differential protection device |
| CN109038493A (en) * | 2018-09-04 | 2018-12-18 | 国网黑龙江省电力有限公司哈尔滨供电公司 | A kind of adjustment method of main transformer ratio-restrained characteristic differential protection |
-
2008
- 2008-12-18 CN CNU2008202318042U patent/CN201323439Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142448A (en) * | 2014-07-31 | 2014-11-12 | 国家电网公司 | Method for automatically checking protection functions of microcomputer main-transformer differential protection device |
| CN109038493A (en) * | 2018-09-04 | 2018-12-18 | 国网黑龙江省电力有限公司哈尔滨供电公司 | A kind of adjustment method of main transformer ratio-restrained characteristic differential protection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20091007 Termination date: 20171218 |