CN201533197U - Transformer substation relay protective device based on OMAP platform - Google Patents
Transformer substation relay protective device based on OMAP platform Download PDFInfo
- Publication number
- CN201533197U CN201533197U CN2009202454094U CN200920245409U CN201533197U CN 201533197 U CN201533197 U CN 201533197U CN 2009202454094 U CN2009202454094 U CN 2009202454094U CN 200920245409 U CN200920245409 U CN 200920245409U CN 201533197 U CN201533197 U CN 201533197U
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- arm microprocessor
- dsp controller
- circuit
- switching value
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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Abstract
The utility model discloses a transformer substation relay protective device based on an OMAP platform, which comprises a fault detecting unit, a relay control circuit, a DSP controller, an ARM microprocessor, an upper monitor, a switching value input circuit, a switching value output circuit, a display and a parameter setting unit. The fault detecting unit is connected with the fault detecting unit and correspondingly controls the relay control circuit according to fault signals detected by the fault detecting unit, the ARM microprocessor is connected with the DSP controller, the switching value input circuit, the switching value output circuit, the display and the parameter setting unit are respectively connected with the ARM microprocessor, the relay control circuit is connected with the DSP controller, the DSP controller is in bidirectional communication with the ARM microprocessor, and the ARM microprocessor is in bidirectional communication with the upper monitor through the industrial Ethernet. The transformer substation relay protective device is reasonable in design, convenient in wiring, simple and convenient in using and operating, strong in data processing capacity, low in error and fast in sampling and response speed, and can overcome shortages that the existing transformer substation microcomputer protecting device is long in time consumption, high in error and the like.
Description
Technical field
The utility model relates to a kind of substation relay protection device, especially relates to a kind of substation relay protection device based on the OMAP platform.
Background technology
The application of protective relaying device in the electric power protection industry more and more widely and indispensable, especially for transformer station.Because transformer station is a important step in the electric power system, is undertaking the task that voltage transitions and electric weight are redistributed, the safety and the economical operation of electrical network played important effect.In recent years, along with the increase of power system capacity and the increase of electrical network complexity, the safe and reliable operation of transformer station is had higher requirement.Original relaying protection of transformer station secondary system and automatic control equipment; mainly constitute by electromagnetic type and induction type relay; but above-mentioned two kinds of relays all exist defective and deficiencies such as low precision, responsiveness are slow, structure more complicated, thereby be eliminated gradually.In recent years, the relaying protection and the automatic control equipment of various semi-conductor types (containing integrated circuit type) and microcomputer type continue to bring out, and high intelligence, high-quality microcomputer type protective device have become the main flow of research and development now.Present automation of transformation substations technology just develops towards layered distribution type structure, networking and unattended operation formula direction, and this just makes the data acquisition of station level and exchange capacity increase, and the compatibility and the real-time of network communication are more powerful.
OMAP (Open Multimedia Application Plant) is the processor chips platform of the dual core CPU of TI, it is integrated dsp chip and ARM chip and realize exchanges data between above-mentioned two CPU by bridging technology.The CPU that is adopted in transformer station's microcomputer protecting device of domestic-developed mostly was traditional MCS-51 series monolithic chip greatly in the past, though above-mentioned singlechip chip control performance is all relatively good, but be bad to carry out Digital Signal Processing, when particularly handling data operation complicated in the electric power system, often consuming time longer; Simultaneously in the sampling to institute's input signal, the said chip sampled point of ripple weekly is all less and adopt the method for analog filtering mostly, can cause certain error inevitably.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art; a kind of substation relay protection device based on the OMAP platform is provided; it is reasonable in design, easy-to-connect, use is easy and simple to handle and data-handling capacity is strong, error is little, sampling and response speed are fast, can effectively solve defective and deficiencies such as the existing existing length consuming time of transformer station's microcomputer protecting device, error are big.
For solving the problems of the technologies described above; the technical solution adopted in the utility model is: a kind of substation relay protection device based on the OMAP platform; it is characterized in that: comprise fault detection unit; control relay circuit; join with fault detection unit and tackle the dsp controller that control relay circuit is controlled mutually according to fault detection unit institute detection failure signal; the ARM microprocessor that joins with dsp controller; upper monitoring machine and the switching value input circuit that joins with the ARM microprocessor respectively; the switching value output circuit; display and parameter set unit; described control relay circuit and dsp controller join, and dsp controller and ARM microprocessor carry out two-way communication and the ARM microprocessor carries out two-way communication by Industrial Ethernet and upper monitoring machine.
Also comprise respectively the watchdog circuit that joins with dsp controller and ARM microprocessor.
Described dsp controller is chip TMS320VC5470, and described ARM microprocessor is chip ARM926.
Described chip TMS320VC5470 and chip ARM926 all join with dual port RAM and the two carries out two-way communication by dual port RAM.
Also comprise the printer that joins with the ARM microprocessor.
Described fault detection unit comprises a plurality of signal supervisory instruments that transformer station's relevant work parameter is detected, and is connected by A/D converter between fault detection unit and dsp controller.
The utility model compared with prior art has the following advantages:
1, circuit design is reasonable, easy-to-connect and use easy and simple to handle.
2, intelligent degree height, strong and data sampling of data-handling capacity and response speed are fast, parameter is provided with conveniently, can be provided with the parameter of double-core controller at the scene by parameter set unit, also can be provided with and the operating state of the two is monitored in real time in long-range parameter by the upper monitoring machine to the double-core controller.
3, perfect in shape and function and error are little, can carry out real time and on line monitoring to the relevant monitoring parameter that needs of transformer station, in the actual use, by dsp controller and ARM microprocessor fault detection unit institute sampled signal is carried out the rapid analysis processing based on the OMAP platform, and synchronously control relay circuit carrying out corresponding control according to analysis processing result, the ARM microprocessor is tackled executive component such as alarm unit mutually and is controlled by the switching value output circuit simultaneously.
In sum; the utility model is reasonable in design, easy-to-connect, use is easy and simple to handle and data-handling capacity is strong, error is little, sampling and response speed are fast, can effectively solve defective and deficiencies such as the existing existing length consuming time of transformer station's microcomputer protecting device, error are big.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is a schematic block circuit diagram of the present utility model.
Description of reference numerals:
The 1-fault detection unit; The 2-DSP controller; The 3-control relay circuit;
The 4-ARM microprocessor; The 5-display; The 6-parameter set unit;
7-switching value input circuit; 8-switching value output circuit; 9-upper monitoring machine;
The 10-watchdog circuit; The 11-dual port RAM; The 12-printer;
The 13-A/D transducer; The 14-memory; 15-clock crystal oscillator circuit.
Embodiment
As shown in Figure 1, the utility model comprise fault detection unit 1, control relay circuit 3, join with fault detection unit 1 and according to 1 detection failure signal of fault detection unit tackle dsp controller 2 that control relay circuit 3 controls mutually, the ARM microprocessor 4 that joins with dsp controller 2, upper monitoring machine 9 and switching value input circuit 7, switching value output circuit 8, display 5 and the parameter set unit 6 of joining with ARM microprocessor 4 respectively.Described control relay circuit 3 joins with dsp controller 2, and dsp controller 2 carries out two-way communication with ARM microprocessor 4 and ARM microprocessor 4 carries out two-way communication by Industrial Ethernet and upper monitoring machine 9.Simultaneously, the utility model also comprise respectively the watchdog circuit 10 that joins with dsp controller 2 and ARM microprocessor 4, the printer 12 that joins with ARM microprocessor 4 and memory 14 and the clock crystal oscillator circuit 15 that joins with dsp controller 2.
In the present embodiment, described dsp controller 2 is chip TMS320VC5470, and described ARM microprocessor 4 is chip ARM926.Described chip TMS320VC5470 and chip ARM926 all join with dual port RAM 11 and the two carries out two-way communication by dual port RAM 11.Described fault detection unit 1 comprises a plurality of signal supervisory instruments that transformer station's relevant work parameter is detected, and 2 of fault detection unit 1 and dsp controllers are connected by A/D converter 13.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection range of technical solutions of the utility model according to the utility model technical spirit.
Claims (6)
1. substation relay protection device based on the OMAP platform; it is characterized in that: comprise fault detection unit (1); control relay circuit (3); join with fault detection unit (1) and tackle the dsp controller (2) that control relay circuit (3) is controlled mutually according to fault detection unit (1) institute detection failure signal; the ARM microprocessor (4) that joins with dsp controller (2); upper monitoring machine (9) and the switching value input circuit (7) that joins with ARM microprocessor (4) respectively; switching value output circuit (8); display (5) and parameter set unit (6); described control relay circuit (3) joins with dsp controller (2), and dsp controller (2) carries out two-way communication with ARM microprocessor (4) and ARM microprocessor (4) carries out two-way communication by Industrial Ethernet and upper monitoring machine (9).
2. according to the described substation relay protection device of claim 1, it is characterized in that: also comprise respectively the watchdog circuit (10) that joins with dsp controller (2) and ARM microprocessor (4) based on the OMAP platform.
3. according to claim 1 or 2 described substation relay protection devices based on the OMAP platform, it is characterized in that: described dsp controller (2) is chip TMS320VC5470, and described ARM microprocessor (4) is chip ARM926.
4. according to the described substation relay protection device based on the OMAP platform of claim 3, it is characterized in that: described chip TMS320VC5470 and chip ARM926 all join with dual port RAM (11) and the two carries out two-way communication by dual port RAM (11).
5. according to claim 1 or 2 described substation relay protection devices, it is characterized in that: also comprise the printer (12) that joins with ARM microprocessor (4) based on the OMAP platform.
6. according to claim 1 or 2 described substation relay protection devices based on the OMAP platform; it is characterized in that: described fault detection unit (1) comprises a plurality of signal supervisory instruments that transformer station's relevant work parameter is detected, and is connected by A/D converter (13) between fault detection unit (1) and dsp controller (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202454094U CN201533197U (en) | 2009-11-23 | 2009-11-23 | Transformer substation relay protective device based on OMAP platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202454094U CN201533197U (en) | 2009-11-23 | 2009-11-23 | Transformer substation relay protective device based on OMAP platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201533197U true CN201533197U (en) | 2010-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202454094U Expired - Fee Related CN201533197U (en) | 2009-11-23 | 2009-11-23 | Transformer substation relay protective device based on OMAP platform |
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| Country | Link |
|---|---|
| CN (1) | CN201533197U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184120A (en) * | 2014-09-11 | 2014-12-03 | 南自晋能自动化有限公司 | High-performance transformer protection device |
-
2009
- 2009-11-23 CN CN2009202454094U patent/CN201533197U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184120A (en) * | 2014-09-11 | 2014-12-03 | 南自晋能自动化有限公司 | High-performance transformer protection device |
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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: 20100721 Termination date: 20101123 |