CN201750231U - Digital transformer station multifunctional protection device - Google Patents
Digital transformer station multifunctional protection device Download PDFInfo
- Publication number
- CN201750231U CN201750231U CN2010205151344U CN201020515134U CN201750231U CN 201750231 U CN201750231 U CN 201750231U CN 2010205151344 U CN2010205151344 U CN 2010205151344U CN 201020515134 U CN201020515134 U CN 201020515134U CN 201750231 U CN201750231 U CN 201750231U
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- master control
- control module
- protection device
- digital transformer
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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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- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a digital transformer station multifunctional protection device, comprising a main control module, an analog quantity input module, an A/D conversion module, a protection module, a switching value output module, a pulse output module and an information transmission port/interface, wherein the information transmission is conducted among each module through a data bus. As a multifunctional protection device integrating component protection, standard merging unit, remote control, electrical measurement and electric energy metering into one piece, the utility model has advantages of comprehensively supporting IEC-61850 standard; applying in the digital transformer station as a separating layer or a processing layer; possessing multiple functions and high cost performance; being especially suitable for the digitalized update and reconstruction of the power system being equal to and lower than 66kv.
Description
Technical field
The utility model relates to field of power, particularly a kind of multifunctional protection device of digital transformer substation.
Background technology
Along with power system development, digital transformer substation replaces the technology of traditional transformer station also increasingly mature, yet require all devices all to carry out information interaction in the digital transformer substation and realize the observing and controlling function, but can't be directly be connected with the transformer station network for the smart machine of traditional non intelligent primary equipment and non-61850 standards according to 61850 standards.At present in the digital transformer substation system; equipment such as merge cells, intelligent terminal be must add and the conversion of information and the communication of network carried out; existing protective device only possesses single defencive function, and requirement is more, can not adapt to the trend of digitalized network development.
The utility model content
The utility model technical issues that need to address provide a kind of digital transformer substation that is applied to can reliably protecting equipment and the protective device of perfect in shape and function.
For solving the problems of the technologies described above, the technical scheme that the utility model adopted is:
The digital transformer substation multifunctional protection device comprises master control module, analog quantity input module, A/D modular converter, protection module, switching value output module and message transmission network interface/light mouth, and each intermodule carries out message transmission by data/address bus; The analog quantity input module of output analog signal connects master control module and protection module respectively through the A/D modular converter; The master control module with output 61850 reference format sampled value signals message transmission network interface/light mouth be connected, protection module respectively with the switching value output module of output protection actuating signal and the message transmission light mouth/network interface of the outputting standard GOOSE signal that is connected through the master control module.The analog signal of analog quantity input module output is exported to master control module and protection module after the A/D modular converter is converted to digital signal; The master control module is converted to digital signal the sampled value signal of 61850 reference formats from message transmission network interface/light mouth output; the protection actuating signal that protection module produces is from the output of switching value output module, and the protection actuating signal is that standard GOOSE signal is through message transmission light mouth/network interface output through the master control module converts.Wherein, the master control module is responsible for the control and management of other module; the analog quantity input module is isolated conditioning with the voltage and current signal of the voltage/current instrument transformer of routine; after analog signal conversion after the A/D modular converter will be nursed one's health is digital signal; export to master control module and protection module respectively; this digital signal is converted to the sampled value signal that meets 61850 reference formats to the master control module after message transmission network interface/light mouth output; the output protection actuating signal was from the output of switching value output module when protection module calculated this digital signal relatively above set point, and the protection actuating signal is that standard GOOSE signal is through message transmission light mouth/network interface output through the master control module converts.
The improvement of described message transmission network interface/light mouth is: described message transmission network interface/light mouth is sampled value network interface/light mouth and GOOSE network interface/light mouth.Described sampled value network interface/light mouth and GOOSE network interface/light mouth can be set to one, also can be arranged to a plurality of according to the demand of output interface.
Further improvement of the utility model is: also be provided with in the device standard to the time module, described standard to the time module connect the master control module.
Improvement of the present utility model also is: be provided with the RS232/485/422 serial line interface in the device, serial line interface connects the master control module.Be connected by non-61850 standard devices of serial line interface and other, realize conversion of 61860 standard networks and non-61850 standard device stipulations and interoperability.
Improvement of the present utility model also is: also be provided with the demonstration and the human-computer dialogue module that are connected with the master control module in the device.Demonstration and human-computer dialogue module are used for the data in the multifunctional intelligent terminal are shown that the human-computer dialogue functions such as line parameter setting of going forward side by side make its use more flexible.
Improvement of the present utility model is: also be provided with the pulse output module that is connected with the master control module in the device.Described pulse output module is according to master control module instruction output pulse signal, as the electric energy metrical calibration pulse.
Improvement of the present utility model is: also be provided with the switching input module that is connected with the master control module in the device.Described switching input module is used for the collection of switching value signals such as on off state, alarm signal.
Because the technological progress of having adopted technique scheme, the utility model to obtain is:
The utility model be the protection of element of set spare, standard merge cells, distant place control, electrical measurement, electric energy metrical in the multifunctional protection device of one, a tractor serves several purposes, the cost performance height is specially adapted to the digitlization upgrading of 66kV and following electric power system and transforms.The utility model can be used as wall or process layer equipment is applied in the digital transformer substation; can be that the SMV message that meets 61850 reference formats offers other measure and control devices not only with the analog signal conversion of conventional instrument transformer output; can also the analog signal of gathering be carried out computational analysis by protection module; judge whether to go beyond the scope according to the protection value that sets; further output breaker tripping and closing instruction; carry out breaker tripping and closing with the control relevant device; equipment is played a protective role, particularly to intrasystem transformer; the overcurrent of line capacitor and other primary equipment; overload; failure conditions such as under-voltage and overvoltage play the trip protection effect.The utility model also can be measured the voltage of equipment in the system, electric current, frequency, active power, reactive power, power rate, electric degree etc.
Standard to the time module the setting unification that can receive transformer station's network to the time data, remove the sampling error that produces because of the time difference.The RS232/485/422 serial line interface can be connected with other non-61850 standard devices, realizes message transmission and interoperability.The setting of demonstration and human-computer dialogue module can realize that data show that the human-computer dialogue functions such as line parameter setting of going forward side by side make its use more flexible.The setting of pulse output module can make the electric degree of multifunctional protection device metering export with pulse mode, can be connected the electric energy metrical precision of verification multifunctional protection device with the kilowatt-hour meter calibration equipment.
The switching input module of the utility model by being provided with, with the circuit breaker in the transformer station, isolating switch and other switching value signals by after the switching input module conditioning, through the master control module converts is the GOOSE signal of 61850 standards, and outputs to transformer station's network or other measuring and controlling equipment with the form of GOOSE message by GOOSE light mouth/network interface.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further details:
The digital transformer substation multifunctional protection device as shown in Figure 1; comprise master control module, analog quantity input module, A/D modular converter, switching input module, standard to the time module, RS232/485/422 serial line interface, protection module, switching value output module, pulse output module and message transmission network interface/light mouth, each intermodule carries out message transmission by data/address bus.
The master control module is to the control and management of other module, and the data of analog quantity input module collection are converted to the SMV message, the switching value status signal of switching input module collection is converted to the GOOSE message, SMV message and GOOSE message are transferred to message transmission network interface/light mouth, pulse output module, switching value output module after analytical Calculation;
The switching value output module carries out breaker tripping and closing and other operation by the instruction output switching value signal of master control module and protection module to equipment, reaches protection and control appliance purpose.
The analog quantity input module is exported to the A/D modular converter after the voltage and current signal of the voltage/current instrument transformer of routine is isolated conditioning; analog signal conversion after the A/D modular converter will be nursed one's health is a digital signal; and export to master control module and protection module respectively, the master control module with this digital signal be converted to meet 61850 reference formats the sampled value signal after message transmission network interface/light mouth output.
Protection module carries out computational analysis to the electric current and voltage digital signal of A/D modular converter output; judge whether to exceed protection range according to the protection value that sets; further export trip command; export through the switching value output module; trip with the control relevant device; each equipment in the system is played a protective role; particularly failure conditions such as the overcurrent stream of intrasystem transformer, circuit, capacitor and other primary equipment, overload, under-voltage and overvoltage are played the supervision effect, with the protection primary equipment.
Pulse output module can carry out 0 the tunnel and above pulse output according to the pulse command that the master control module is sent, and can be connected the electric energy metrical precision of verification multifunctional protection device with the kilowatt-hour meter calibration equipment.
Standard to the time module connect the master control module, in the time of can unifying the school to station equipment.The RS232/485/422 serial line interface connects the master control module, is connected by non-61850 standard devices of serial line interface and other, realizes conversion of 61860 standard networks and non-61850 standard device stipulations and interoperability.Demonstration and human-computer dialogue module are used for the data in the multifunctional intelligent terminal are shown that the human-computer dialogue functions such as line parameter setting of going forward side by side make its use more flexible.Switching input module is used for the collection of switching value signals such as on off state, alarm signal, with the circuit breaker in the transformer station, isolating switch and other switching value signals by after the switching value modular converter conditioning, through the master control module converts is the GOOSE signal of 61850 standards, and outputs to transformer station's network or other measuring and controlling equipment with the form of GOOSE message by GOOSE light mouth/network interface.
Message transmission network interface of the present utility model/light mouth can be sampled value network interface/light mouth or GOOSE network interface/light mouth, perhaps both combinations.Sampled value network interface/light mouth and GOOSE network interface/light mouth also can be set to one, also can be arranged to a plurality of according to the demand of output interface.
Claims (7)
1. digital transformer substation multifunctional protection device, it is characterized in that: comprise master control module, analog quantity input module, A/D modular converter, protection module, switching value output module and message transmission network interface/light mouth, each intermodule carries out message transmission by data/address bus; The analog quantity input module of output analog signal connects master control module and protection module respectively through the A/D modular converter; The master control module with output 61850 reference format sampled value signals message transmission network interface/light mouth be connected, protection module respectively with the switching value output module of output protection actuating signal and the message transmission light mouth/network interface of the outputting standard GOOSE signal that is connected through the master control module.
2. digital transformer substation multifunctional protection device according to claim 1 is characterized in that: described message transmission network interface/light mouth is sampled value network interface/light mouth and GOOSE network interface/light mouth.
3. digital transformer substation multifunctional protection device according to claim 1 is characterized in that: also be provided with in the device standard to the time module, described standard to the time module connect the master control module.
4. digital transformer substation multifunctional protection device according to claim 1 is characterized in that: be provided with the RS232/485/422 serial line interface in the device, serial line interface connects the master control module.
5. digital transformer substation multifunctional protection device according to claim 1 is characterized in that: also be provided with the demonstration and the human-computer dialogue module that are connected with the master control module in the device.
6. digital transformer substation multifunctional protection device according to claim 1 is characterized in that: also be provided with the pulse output module that is connected with the master control module in the device.
7. digital transformer substation multifunctional protection device according to claim 1 is characterized in that: also be provided with the switching input module that is connected with the master control module in the device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205151344U CN201750231U (en) | 2010-09-03 | 2010-09-03 | Digital transformer station multifunctional protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205151344U CN201750231U (en) | 2010-09-03 | 2010-09-03 | Digital transformer station multifunctional protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201750231U true CN201750231U (en) | 2011-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205151344U Expired - Lifetime CN201750231U (en) | 2010-09-03 | 2010-09-03 | Digital transformer station multifunctional protection device |
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| CN (1) | CN201750231U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280936A (en) * | 2011-07-19 | 2011-12-14 | 天津市电力公司 | Interval process intelligent controller of transformer station |
| CN103441576A (en) * | 2013-09-04 | 2013-12-11 | 东方电子股份有限公司 | Transmission method for transformer substation fault wave-recording file |
| CN104201782A (en) * | 2014-09-12 | 2014-12-10 | 国家电网公司 | Transformer substation troubleshooting system |
| CN104242447A (en) * | 2013-12-25 | 2014-12-24 | 中国南方电网有限责任公司 | Integrated measuring and controlling device and system of intelligent transformer substation |
-
2010
- 2010-09-03 CN CN2010205151344U patent/CN201750231U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280936A (en) * | 2011-07-19 | 2011-12-14 | 天津市电力公司 | Interval process intelligent controller of transformer station |
| CN103441576A (en) * | 2013-09-04 | 2013-12-11 | 东方电子股份有限公司 | Transmission method for transformer substation fault wave-recording file |
| CN103441576B (en) * | 2013-09-04 | 2015-04-29 | 东方电子股份有限公司 | Transmission method for transformer substation fault wave-recording file |
| CN104242447A (en) * | 2013-12-25 | 2014-12-24 | 中国南方电网有限责任公司 | Integrated measuring and controlling device and system of intelligent transformer substation |
| CN104201782A (en) * | 2014-09-12 | 2014-12-10 | 国家电网公司 | Transformer substation troubleshooting system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110216 |