CN204145081U - Digital transformer group protective device - Google Patents
Digital transformer group protective device Download PDFInfo
- Publication number
- CN204145081U CN204145081U CN201420636512.2U CN201420636512U CN204145081U CN 204145081 U CN204145081 U CN 204145081U CN 201420636512 U CN201420636512 U CN 201420636512U CN 204145081 U CN204145081 U CN 204145081U
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- China
- Prior art keywords
- module
- circuit
- protective device
- transformer group
- group protective
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- 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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- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a kind of digital transformer group protective device, comprise cabinet and be positioned at the digital signal processor for relaying protection of cabinet, for 32 single-chip microcomputers monitored with communicate, sampling module, communication module, open into module, monitoring module and power module, 32 described single-chip microcomputers connect sampling module respectively by circuit, communication module, open into module, monitoring module and power module, described digital signal processor is connected with communication module, 32 single-chip microcomputer connecting fluid LCD panels, display panels connects panel operation keyboard and indicator light, described display panels, panel operation keyboard and indicator light are located on cabinet.Be convenient to access power plant complex automatic system, lay a good foundation for power plant realizes unattended and few man on duty; Improve the reliability of protection, the rapidity of action and the sensitivity of Fault Identification.
Description
Technical field
The utility model relates to a kind of digital transformer group protective device, belongs to electrical engineering technical field.
Background technology
Transformer group protective device is one of capital construction product of power plant; current transformer group protective device is owing to lacking unified Platform of hardware; reliability is not high enough; product structure current is in addition complicated; safeguard cumbersome; especially under severe field condition, can not play one's part to the full.Can not adapt under bad electromagnetic environment, have impact on the safety and reliability of electric power system greatly.
Utility model content
Order ground of the present utility model overcomes the deficiencies in the prior art part, provides a kind of digital transformer group protective device.
The utility model solves the technical scheme that its technical problem adopts: a kind of digital transformer group protective device, comprise cabinet and be positioned at the digital signal processor for relaying protection of cabinet, for 32 single-chip microcomputers monitored with communicate, sampling module, communication module, open into module, monitoring module and power module, 32 described single-chip microcomputers connect sampling module respectively by circuit, communication module, open into module, monitoring module and power module, described digital signal processor is connected with communication module, 32 single-chip microcomputer connecting fluid LCD panels, display panels connects panel operation keyboard and indicator light, described display panels, panel operation keyboard and indicator light are located on cabinet.
Described sampling module comprises 32 channel AC low pass filters, 32 channel AC signal conditioning circuits, 32 channel modulus converters and a road period measurement circuit.
Described communication module comprises RS-485 interface circuit, Ethernet interface, DC-isolation power circuit and anti-interference filter circuit.
Described opening comprises 8 way switch amount input circuits and anti-interference filter circuit into module.
Described monitoring module comprises LCD interface, input through keyboard interface, contrast adjustment circuit, backlight control circuit, panel signal drive circuit.
Digital transformer group protective device of the present utility model has following technique effect: solve relay protection device be operated in power plant adverse circumstances under electromagnetic interference problem; Apparatus design two independently high-speed data communications network interface, is convenient to access power plant complex automatic system, lays a good foundation for power plant realizes unattended and few man on duty; Improve the reliability of protection, the rapidity of action and the sensitivity of Fault Identification.
Accompanying drawing explanation
Fig. 1 is the block diagram of digital transformer group protective device.
Fig. 2 is digital transformer group protective device is external structure schematic diagram.
1. 32 single-chip microcomputers in figure, 2 sampling modules, 3. communication module, 4. open into module, 5. monitoring module, 6. power module, 7. digital signal processor, 8. display panels, 9. panel operation keyboard, 10. indicator light, 11. cabinets.
Embodiment
The technical problem solved to make the utility model, technical scheme and beneficial effect are clearly understood, below in conjunction with accompanying drawing and embodiment, are further described the utility model.Should be appreciated that embodiment described herein only for explaining the utility model, and be not used in restriction the utility model.
As shown in Figure 1-2, a kind of digital transformer group of the utility model protective device, comprise cabinet 11 and be positioned at the digital signal processor 7 for relaying protection of cabinet 1, for 32 single-chip microcomputers 1 monitored with communicate, sampling module 2, communication module 3, open into module 4, monitoring module 5 and power module 6, 32 single-chip microcomputers 1 connect sampling module 2 respectively by circuit, communication module 3, open into module 4, monitoring module 5 and power module 6, digital signal processor 7 is connected with communication module 3, 32 single-chip microcomputer 1 connecting fluid LCD panels 8, display panels 8 connects panel operation keyboard 9 and indicator light 10, display panels 8, panel operation keyboard 9 and indicator light 10 are located on cabinet 11.
Wherein, sampling module comprises 32 channel AC low pass filters, 32 channel AC signal conditioning circuits, 32 channel modulus converters and a road period measurement circuit; Communication module comprises RS-485 interface circuit, Ethernet interface, DC-isolation power circuit and anti-interference filter circuit; Open and comprise 8 way switch amount input circuits and anti-interference filter circuit into module; Monitoring module comprises LCD interface, input through keyboard interface, contrast adjustment circuit, backlight control circuit, panel signal drive circuit.
Solve relay protection device be operated in power plant adverse circumstances under electromagnetic interference problem; Based on latest computed machine network communications technology, apparatus design two independently LonWorks high-speed data communications network interface, is convenient to access power plant complex automatic system, lays a good foundation for power plant realizes unattended and few man on duty; Improve the reliability of protection, the rapidity of action and the sensitivity of Fault Identification.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all any amendment, on an equal basis replacement and improvement etc. done within spirit of the present utility model and principle, all should drop within protection range of the present utility model.
Claims (5)
1. a digital transformer group protective device, it is characterized in that: comprise cabinet and be positioned at the digital signal processor for relaying protection of cabinet, for 32 single-chip microcomputers monitored with communicate, sampling module, communication module, open into module, monitoring module and power module, 32 described single-chip microcomputers connect sampling module respectively by circuit, communication module, open into module, monitoring module and power module, described digital signal processor is connected with communication module, 32 single-chip microcomputer connecting fluid LCD panels, display panels connects panel operation keyboard and indicator light, described display panels, panel operation keyboard and indicator light are located on cabinet.
2. digital transformer group protective device according to claim 1, is characterized in that: described sampling module comprises 32 channel AC low pass filters, 32 channel AC signal conditioning circuits, 32 channel modulus converters and a road period measurement circuit.
3. digital transformer group protective device according to claim 1, is characterized in that: described communication module comprises RS-485 interface circuit, Ethernet interface, DC-isolation power circuit and anti-interference filter circuit.
4. digital transformer group protective device according to claim 1, is characterized in that: described opening comprises 8 way switch amount input circuits and anti-interference filter circuit into module.
5. digital transformer group protective device according to claim 1, is characterized in that: described monitoring module comprises LCD interface, input through keyboard interface, contrast adjustment circuit, backlight control circuit, panel signal drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420636512.2U CN204145081U (en) | 2014-10-30 | 2014-10-30 | Digital transformer group protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420636512.2U CN204145081U (en) | 2014-10-30 | 2014-10-30 | Digital transformer group protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204145081U true CN204145081U (en) | 2015-02-04 |
Family
ID=52421746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420636512.2U Expired - Fee Related CN204145081U (en) | 2014-10-30 | 2014-10-30 | Digital transformer group protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204145081U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107306025A (en) * | 2016-04-21 | 2017-10-31 | 国网辽宁省电力有限公司营口供电公司 | A kind of interim protective relaying device of general digital formula |
-
2014
- 2014-10-30 CN CN201420636512.2U patent/CN204145081U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107306025A (en) * | 2016-04-21 | 2017-10-31 | 国网辽宁省电力有限公司营口供电公司 | A kind of interim protective relaying device of general digital formula |
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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: 20150204 Termination date: 20181030 |