CN208738835U - A kind of station domain protection supervisory equipment suitable for power distribution network - Google Patents
A kind of station domain protection supervisory equipment suitable for power distribution network Download PDFInfo
- Publication number
- CN208738835U CN208738835U CN201821379149.5U CN201821379149U CN208738835U CN 208738835 U CN208738835 U CN 208738835U CN 201821379149 U CN201821379149 U CN 201821379149U CN 208738835 U CN208738835 U CN 208738835U
- Authority
- CN
- China
- Prior art keywords
- cpu
- light
- handset
- power distribution
- distribution network
- 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.)
- Active
Links
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses a kind of station domain protection supervisory equipments suitable for power distribution network, including host and handset；Host includes cpu package and man-machine interface board, and cpu package is connected with man-machine interface board；Cpu package includes that one block of comprehensive CPU and two block of light indulges CPU, and comprehensive CPU and light are indulged CPU and cascaded by optical fiber；Comprehensive CPU has gigabit optical port, 100,000,000 optical ports and debugging serial interface；Light indulges CPU and indulges mouth and debugging serial interface with 100,000,000 optical ports, light；Handset includes one piece of handset CPU board, DI plate, DO plate and AC component, and DI plate, DO plate and AC component are connected with handset CPU board respectively；Handset CPU board has 100,000,000 optical ports and debugging serial interface；AC component includes three blocks of AC plates, and one of AC plate contains voltage transformer, and in addition two blocks of AC plates respectively contain current transformer；Synthesis CPU and light on handset CPU board and host indulge CPU and are cascaded by optical fiber.Protection and observing and controlling function in distribution website are realized by the intercommunication of multiple CPU, realize the cooperation of defencive function between power distribution station.
Description
Technical field
The utility model belongs to technical field of relay protection, and in particular to a kind of station domain protection observing and controlling suitable for power distribution network
Device.
Background technique
Electric power notch in China's is larger for a long time, and the emphasis of investment is the construction of power plant and power transmission network, by many years
Investment, the demand of electric power are gradually able to satisfy actual needs.And with the rapid development of national economy and living standards of the people
It improves, higher requirements are also raised for q&r of the user to power supply, and current principal contradiction has appeared in distribution
Link.Since the past, less input to distribution system, causes distribution net work structure, relaying configuration etc. backward in technique, cause to match
Electric network protection automatization level is low, and power supply reliability is not high, poor user experience, has seriously affected people's lives and economic construction
Development.
In order to solve the above problem existing for distribution network system, in recent years, for the correlation of distribution network system relay protection
Gradually deeply, the proposition of intelligent distribution network concept is so that the development that the correlative study of distribution automation theory becomes from now on becomes for research
Gesture.For example, going to carry out distribution network transform with the thinking of relaying configuration in power transmission network, by existing in power transmission and transformation system relay protection
The application of mature theory and technology, can quickly improve the level of protection of power distribution network, effectively reduce scope of power outage, reduce and have a power failure
Time greatly promotes power supply reliability, provides high-quality electric energy for vast power consumer is continual.
During carrying out the transformation of power distribution network Protection Technology, it is contemplated that the particularity of distribution network system itself, such as
Mainly usually there is multiple power distribution stations or switching station station in power distribution station, at present power distribution network based on access lines and in a certain region
The problems such as protective device excessively disperses, is at high cost in system, automatization level is low and power supply reliability is not high.
Utility model content
Purpose: in order to overcome the deficiencies in the prior art, the utility model provides a kind of station suitable for power distribution network
Domain protection supervisory equipment, the application for 66kV and following voltage class low and medium voltage distribution network system relay protection.
Technical solution: in order to solve the above technical problems, the technical solution adopted by the utility model is:
A kind of station domain protection supervisory equipment suitable for power distribution network, it is characterised in that: including host and handset；
The host includes cpu package and man-machine interface board, and the cpu package is connected with man-machine interface board；
The cpu package includes that one block of comprehensive CPU and two block of light indulges CPU, and the comprehensive CPU indulges CPU with the light and passes through
Optical fiber cascade；The comprehensive CPU has gigabit optical port, 100,000,000 optical ports and debugging serial interface；The light indulge CPU with 100,000,000 optical ports,
Light indulges mouth and debugging serial interface；
The handset includes one piece of handset CPU board, DI plate, DO plate and AC component, the DI plate, DO plate and AC component difference
It is connected with handset CPU board；
The handset CPU board has 100,000,000 optical ports and debugging serial interface；The AC component includes three blocks of AC plates, one of AC
Plate contains multiple voltage transformers, and in addition two blocks of AC plates respectively contain multiple current transformers；
Synthesis CPU and light on the handset CPU board and the host indulge CPU and are cascaded by optical fiber.
Preferably, the comprehensive CPU has two pairs of gigabit optical ports, three pair of 100,000,000 optical port and a debugging serial interface.
Preferably, the light indulges CPU and indulges mouth and a debugging serial interface with two pair of 100,000,000 optical port, a pair of of light.
Preferably, the handset CPU board has three pair of 100,000,000 optical port and a debugging serial interface.
Preferably, the station domain protection supervisory equipment suitable for power distribution network, it is characterised in that: AC component
In three blocks of AC plates, one of AC plate contains 4 voltage transformers, and in addition two blocks of AC plates respectively contain 12 current transformers.Son
AC component on machine can be no more than in acquisition station simultaneously the three-phase current signal of 8 access lines and the three-phase voltage of bus and
Residual voltage signal.
Preferably, the station domain protection supervisory equipment suitable for power distribution network, it is characterised in that: the station domain
Protection supervisory equipment accesses in 66kV and the distribution network system of following voltage class.
The station domain protection supervisory equipment suitable for power distribution network, two blocks of light in host indulge CPU and respectively contain a pair of of light
Vertical mouth, for realizing the current comparison pilot protection function of being no more than two lines road in station.
The station domain protection supervisory equipment suitable for power distribution network, the synthesis CPU in host contain two pairs of gigabit optical ports,
For cascading by the station domain protection supervisory equipment in optical fiber and other stations, the cooperation of regional distribution network protection is realized.
The utility model has the advantages that the station domain protection supervisory equipment provided by the utility model suitable for power distribution network, by multiple CPU it
Intercommunication realizes the protection and observing and controlling function in distribution website；The utility model can also pass through gigabit optical port realization device
Between cascade, to realize the cooperation of defencive function between power distribution station.The utility model can effectively solve current power distribution network and protect
Protection unit dispersion, at high cost, automatization level is low, the not high outstanding problem of power supply reliability.Meanwhile by handset be responsible for sampling and
Trip operation can realize the acquisition to line information a plurality of in whole station, host be then responsible for data calculation process and the results show that
Complete protection observing and controlling function is realized by the cooperation of main and sub machine；It can be by between HSR network implementations protective device between power distribution station
Communication, to realize the regional internet of power distribution network, improves the power supply reliability of power distribution network.Pass through the protection to dispersing in power distribution station
The integration protected in integration realization station is carried out, i.e., entire power distribution station bus and a plurality of inlet-outlet line only can be realized by a device
The comprehensive protection function on road.Increase gigabit cascade port in integrated comprehensive protector, by between optical fiber realization device
Cascade, may be implemented the interaction for standing and protecting between standing information, and the application of cooperation station domain backup auto-activating device can be improved region and match
The self-healing ability of power grid and the reliability of power supply.
Detailed description of the invention
Fig. 1 is the station domain protection supervisory equipment architecture diagram suitable for power distribution network of the utility model.
Fig. 2 is a specific embodiment of Fig. 1.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples.Following embodiment is only used for clearer
Ground illustrates the technical solution of the utility model, and cannot be used as a limitation the limitation protection scope of the utility model.
Need specification: the improvement of the utility model is hardware component and its configuration and connection type.
As shown in Figure 1 to Figure 2, the utility model provides a kind of station domain protection supervisory equipment suitable for power distribution network, packet
Include host and handset.It is specific as follows:
Handset is made of one piece of common CPU board, DI plate, DO plate and AC component, wherein CPU board respectively at DI plate, DO plate and
AC component is connected, and as the core of handset, CPU board completes analog quantity, the acquisition of switching value and the output task of switching value.
AC component includes three blocks of AC plates, and one of containing 4 voltage transformers, in addition two blocks of AC plates respectively contain 12 electricity
Current transformer can realize a bus three-phase voltage, residual voltage in power distribution station by these voltages, current transformer and not surpass
Cross the acquisition of 8 access lines three-phase current signals.
Host is made of cpu package and man-machine interface board, wherein cpu package includes that one piece of comprehensive CPU board and two blocks of light are vertical
CPU board, comprehensive CPU indulge CPU with two blocks of light by optical fiber and communicate, and realize the interaction of protection information.Man-machine interface board and cpu package
It is connected, is responsible for the human-computer interaction functions such as interface display, button operation response and PERCOM peripheral communication.
Synthesis CPU on host has two pairs of gigabit optical ports, three pair of 100,000,000 optical port and a debugging serial interface, and light indulges CPU band
There are two pair of 100,000,000 optical port, a pair of of light to indulge mouth and a debugging serial interface, the common CP U plate in handset has three pair of 100,000,000 optical port and one
A debugging serial interface.Synthesis CPU and light on host indulge CPU by the common CP U board communications on optical fiber and handset, receive by handset
The information such as analog quantity and intake that CPU transmitting comes, by passing to the information such as protection act or alarm after operation and processing
Handset CPU realizes the operation such as breaker tripping and closing of protection by handset CPU.
As shown in Fig. 2, the gigabit optical port on comprehensive CPU can pass through with the station domain protection supervisory equipment in other power distribution stations
The communication interconnection of HSR network implementations may be implemented what the multiple power distribution stations in a certain region were protected in conjunction with dedicated station domain backup auto-activating device
Cooperation enhances the self-healing ability of regional distribution network, improves the reliability of power distribution network power supply.
The working principle of the utility model is as follows:
The station domain protection supervisory equipment suitable for power distribution network based on the utility model is applied to 66kV and following voltage etc.
In the low and medium voltage distribution network system of grade, the distribution of 2 inlet wires and 6 outlets of a distribution bus band is primarily adapted for use in but is not limited to
Stand or switching station in.The present apparatus is acquired after a mutual inductor progress of disease by electric current, the voltage transformer in handset AC component
Bus three-phase voltage and inlet-outlet line three-phase current signal, AC component give collected above-mentioned analog signals to handset CPU, then
Above-mentioned signal is passed to three CPU of host by cascade optical fiber；Whether host CPU judges system after passing through calculation processing
Have occurred route or bus-bar fault, on the one hand operation result passes through cascaded optical fiber and feeds back to handset CPU, handset CPU is according to receiving
Feedback information determine whether to take breaker tripping and closing etc. to operate, man-machine boundary is on the other hand realized by the man-machine interface board being attached thereto
Face shows and interacts.
The synthesis CPU of host receives all voltage and current signals that handset CPU is transmitted simultaneously, passes through the fortune to these signals
It calculates processing and realizes the observing and controlling functions of 8 routes, bus protection function, the three-stage overcurrent protection function of 6 routes and single-phase heavy
Closing function etc.；Two blocks of light of host indulge the three-phase current signal and bus three-phase voltage signal that CPU receives a route respectively,
The overcurrent protection and single-pole reclosing function of a route are realized respectively, while real by the vertical mouth of light and the interconnection of opposite side protective device
Existing current comparison pilot protection function.Comprehensive CPU and light are indulged and are cascaded between CPU by optical fiber, and matching for defencive function may be implemented
It closes, judge bus differential protection action such as comprehensive CPU and the signal is passed into the vertical CPU of light to be latched line corresponding to the vertical CPU of light
The reclosing function on road etc..The functions such as above-described bus protection, overcurrent protection and reclosing only need to be using simple programming
It can be realized, belong to the prior art highly developed in the industry.
The synthesis CPU of host other than the CPU level connection realization device internal information for indulging CPU and handset with light interacts,
Two pairs of gigabit optical ports are also had on comprehensive CPU, can be protected and be surveyed with the station domain in multiple power distribution stations by these two pair gigabit optical port
It controls device and forms looped network, when the power distribution station in looped network meets dual power supply and there is only when an open loop point, in this looped network
In need to only access a dedicated station domain backup auto-activating device cooperation of whole region distribution protection can be realized, as shown in Fig. 2,
What the cooperation of regional distribution network protection was greatly improved the automatization level of whole region power distribution network, self-healing ability and power supply can
By property.
In conclusion the station domain protection supervisory equipment suitable for power distribution network of the utility model can effectively solve tradition and match
The problem that protective device dispersibility is big in power grid, automatization level is low.Pass through the design realization pair of main and sub machine and multi -CPU interaction
The integration protection of whole station a plurality of access lines and distribution bus；It can be realized between multiple power distribution station protective devices by HSR network
Be in communication with each other, cooperation station domain backup auto-activating device can enhance the self-healing abilities of distribution network systems, and the power supply for greatly improving distribution is reliable
Property, it has a good application prospect.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
The above is only the preferred embodiment of the utility model, it should be pointed out that: for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of station domain protection supervisory equipment suitable for power distribution network, it is characterised in that: including host and handset；
The host includes cpu package and man-machine interface board, and the cpu package is connected with man-machine interface board；
The cpu package includes that one block of comprehensive CPU and two block of light indulges CPU, and the comprehensive CPU and the light indulge CPU and passes through optical fiber
Cascade；The comprehensive CPU has gigabit optical port, 100,000,000 optical ports and debugging serial interface；It is vertical with 100,000,000 optical ports, light that the light indulges CPU
Mouth and debugging serial interface；
The handset include one piece of handset CPU board, DI plate, DO plate and AC component, the DI plate, DO plate and AC component respectively with son
Machine CPU board is connected；
The handset CPU board has 100,000,000 optical ports and debugging serial interface；The AC component includes three blocks of AC plates, and one of AC plate contains
There are multiple voltage transformers, in addition two blocks of AC plates respectively contain multiple current transformers；
Synthesis CPU and light on the handset CPU board and the host indulge CPU and are cascaded by optical fiber.
2. the station domain protection supervisory equipment according to claim 1 suitable for power distribution network, it is characterised in that: the synthesis
CPU has two pairs of gigabit optical ports, three pair of 100,000,000 optical port and a debugging serial interface.
3. the station domain protection supervisory equipment according to claim 1 suitable for power distribution network, it is characterised in that: the light is vertical
CPU indulges mouth and a debugging serial interface with two pair of 100,000,000 optical port, a pair of of light.
4. the station domain protection supervisory equipment according to claim 1 suitable for power distribution network, it is characterised in that: the handset
CPU board has three pair of 100,000,000 optical port and a debugging serial interface.
5. the station domain protection supervisory equipment according to claim 1 suitable for power distribution network, it is characterised in that: the three of AC component
In block AC plate, one of AC plate contains 4 voltage transformers, and in addition two blocks of AC plates respectively contain 12 current transformers.
6. the station domain protection supervisory equipment according to claim 1 suitable for power distribution network, it is characterised in that: the station domain is protected
It protects in measure and control device access 66kV and the distribution network system of following voltage class.
7. the station domain protection supervisory equipment according to claim 1 suitable for power distribution network, it is characterised in that: two in host
Block light indulges CPU and respectively contains the vertical mouth of a pair of of light, for realizing the current comparison pilot protection function of being no more than two lines road in station.
8. the station domain protection supervisory equipment according to claim 1 suitable for power distribution network, it is characterised in that: comprehensive in host
It closes CPU and contains two pairs of gigabit optical ports, for cascading by the station domain protection supervisory equipment in optical fiber and other stations, realize that region is matched
The cooperation of electric network protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821379149.5U CN208738835U (en) | 2018-08-24 | 2018-08-24 | A kind of station domain protection supervisory equipment suitable for power distribution network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821379149.5U CN208738835U (en) | 2018-08-24 | 2018-08-24 | A kind of station domain protection supervisory equipment suitable for power distribution network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208738835U true CN208738835U (en) | 2019-04-12 |
Family
ID=66032373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821379149.5U Active CN208738835U (en) | 2018-08-24 | 2018-08-24 | A kind of station domain protection supervisory equipment suitable for power distribution network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208738835U (en) |
-
2018
- 2018-08-24 CN CN201821379149.5U patent/CN208738835U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2017166735A1 (en) | Power-grid self-healing system and self-healing logic thereof in 110kv chain power-supply mode | |
| CN102937685B (en) | The integrated testing platform of a kind of transformer station based on Real-time Simulation Technology | |
| CN106159759B (en) | A kind of method for automatically generating secondary system of intelligent substation maintenance safety measure | |
| WO2014090018A1 (en) | Iec61850 standard-based intelligent power distribution terminal | |
| CN105977923B (en) | A kind of substation relay protection apparatus and system for realizing plug and play | |
| CN205105000U (en) | Digital relay protection observes and controls and intelligent terminal integrated device | |
| CN103904779A (en) | Intelligent substation intelligent terminal analog device and using method thereof | |
| CN102510051B (en) | Method for identifying failure of sampling value data of intelligent substation based on waveform coefficient equation | |
| CN202817732U (en) | Portable intelligent protection device used for intelligent transformer station | |
| CN103440800A (en) | Simulation training system of high-voltage substation | |
| CN203352295U (en) | Intelligent terminal of rural network direct distribution station | |
| CN111983996A (en) | Remote testing device, method and equipment of stability control system | |
| CN106292576B (en) | A kind of mapping method of SCL models and CIM model | |
| CN105024356B (en) | A kind of 35kV and following voltage class ratiometric dynamic formula bus bar protecting method | |
| CN203086234U (en) | Total-station automatic throw-in equipment of emergency power supply | |
| CN107453337A (en) | A kind of distributed photovoltaic and network protection method and device | |
| CN208738835U (en) | A kind of station domain protection supervisory equipment suitable for power distribution network | |
| CN203014357U (en) | GOOSE message/switch value conversion device for relay protection digitized transformation | |
| CN105223469A (en) | A kind of line-selected earthing device being applicable to intelligent substation | |
| CN206180695U (en) | Net DTU device is joined in marriage to measurement type | |
| CN105720563A (en) | Multi-principle relay protection chip based on FPGA and method | |
| CN203871923U (en) | Total-station intelligent terminal simulating device of intelligent transformer station | |
| CN208479178U (en) | A kind of container building block system site busbar protective device | |
| CN109412119B (en) | A kind of site breaker protective relaying device and method by string configuration | |
| CN205092446U (en) | Rural power grids intelligent power distribution cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |