CN206370731U - A kind of Feeder Terminal Unit and electrical power distribution automatization system - Google Patents
A kind of Feeder Terminal Unit and electrical power distribution automatization system Download PDFInfo
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- CN206370731U CN206370731U CN201621461922.3U CN201621461922U CN206370731U CN 206370731 U CN206370731 U CN 206370731U CN 201621461922 U CN201621461922 U CN 201621461922U CN 206370731 U CN206370731 U CN 206370731U
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- Prior art keywords
- feeder terminal
- terminal unit
- processor
- module
- remote
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Abstract
The utility model discloses a kind of Feeder Terminal Unit and electrical power distribution automatization system.Wherein, the Feeder Terminal Unit includes：Sampling unit, for gathering current data and voltage data simultaneously；State-signal collection unit, for gathering remote signalling information；Processor, is connected with sampling unit and state-signal collection unit, for carrying out logical operation to current data, voltage data and remote signalling information, determines system with the presence or absence of failure according to the result of logical operation and sends remote signal；Remote control output unit, is connected with processor, for receiving and sending remote signal.The utility model is solved the Feeder Terminal Unit cost effectively caused due to computationally intensive, load and raises, designs complicated technical problem.
Description
Technical field
The utility model is related to power domain, in particular to a kind of Feeder Terminal Unit and electrical power distribution automatization system.
Background technology
As intelligent grid is developed rapidly, terminal device depends primarily on scale of investment by past, is progressively changed into
Determined by the market demand.The scale covering automation of transformation substations, the fault section and isolation of feeder line and automatic recovery electric discharge, load
Control, remote realization, minimum network loss, voltage and reactive power optimization, distribution investment system, power transformation distribution and management of power use information system
The power distribution network synthesis management system of system also progressively develops.Feeder Terminal Unit (FTU) is the terminal list in electrical power distribution automatization system
Member, plays the effects such as detection, protection, communication and control.Due to FTU extensive use, requirement of the intelligent grid to it is increasingly
Increase, such as ampling channel number, sample frequency, recording storage, traffic rate, failure response, frequency analysis have higher want
Ask.Accordingly, it would be desirable to develop the FTU of higher price-performance ratio to meet the higher market demand.
For solve FTU front end analogues signal constantly extended using passage, periodic sampling point from traditional 32 points to it is more, singly
The DFT/FFT amounts of calculation that one DSP carries out multi channel signals are huge, and load is serious, and setting for multiprocessor is usually taken in traditional FTU
Meter pattern, design is complicated.
Asked for above-mentioned because the Feeder Terminal Unit cost that computationally intensive, load is effectively caused is raised, design is complicated
Topic, not yet proposes effective solution at present.
Utility model content
The utility model embodiment provide a kind of Feeder Terminal Unit and electrical power distribution automatization system, with least solve due to
The technical problem that the Feeder Terminal Unit cost that computationally intensive, load is effectively caused is raised, design is complicated.
According to the one side of the utility model embodiment there is provided a kind of Feeder Terminal Unit, including：Sampling unit,
For gathering current data and voltage data simultaneously；State-signal collection unit, for gathering remote signalling information；Processor, it is single with sampling
Member and the connection of state-signal collection unit, for carrying out logical operation to current data, voltage data and remote signalling information, according to logic
The result of computing determines system with the presence or absence of failure and sends remote signal；Remote control output unit, is connected with processor, for connecing
Receive and send remote signal.
Further, sampling unit includes：Voltage acquisition module, including 8 road voltage of ac submodules and first filtering,
Protection, matched sub-block, for collection voltages data；Current acquisition module, including 8 road electric current of ac submodules and the second filter
Ripple, protection, matched sub-block, for gathering current data.
Further, state-signal collection unit includes：N roads remote signal module, for gathering remote signalling information, wherein, N is nature
Number；Photoelectric isolation module, is connected with N roads remote signal module and processor, for carrying out Phototube Coupling to remote signalling information.
Further, remote control output unit includes：Relay isolation module, is connected with processor, for defeated to processor
The remote signal gone out is isolated by relay；N roads remote control module, is connected with relay isolation module, for output processing
The remote signal that device is sent, wherein, N is natural number.
Further, Feeder Terminal Unit also includes：Connection unit, is connected with processor, including electrical isolation module and
Communication interface, for being communicated with main website.
Further, Feeder Terminal Unit also includes：Human-machine operation module, is connected with processor, for checking and repairing
Change current data, voltage data and remote signalling information.
Further, Feeder Terminal Unit also includes：Memory, is connected with processor, is received for storing processor
Current data, voltage data and remote signalling information, and storage human-machine operation module modification current data, voltage data and
The parameter information produced during remote signalling information.
Further, Feeder Terminal Unit also includes：Power monitor module, is connected with processor, for monitoring system
The working condition of each level power supply.
Further, Feeder Terminal Unit also includes：Clock module, is connected with processor, is set for preserving line feed terminals
Standby fiducial time.
According to the another aspect of the utility model embodiment, a kind of electrical power distribution automatization system is additionally provided, the distribution is automatic
Change system includes any one above-mentioned Feeder Terminal Unit.
In the utility model embodiment, using sampling unit, for gathering current data and voltage data simultaneously；Remote signalling
Collecting unit, for gathering remote signalling information；Processor, is connected with sampling unit and state-signal collection unit, for current data,
Voltage data and remote signalling information carry out logical operation, determine system with the presence or absence of failure according to the result of logical operation and send
Remote signal；Remote control output unit, is connected with processor, the mode for receiving and sending remote signal, passes through uniprocessor
Scheme be designed, change traditional multiprocessor design pattern, and using high-precision AD inside processor, support electric current
Sampled simultaneously with voltage binary channels, support to be up to 56 sub-frequency analysis, reached the complexity of reduction design of hardware and software, carried simultaneously
The purpose of the technical indicator of high product, it is achieved thereby that reducing cost, designing simple technique effect, and then is solved due to meter
The Feeder Terminal Unit cost that calculation amount is big, load is effectively caused is raised, the technical problem that design is complicated.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes the part of the application,
Schematic description and description of the present utility model is used to explain the utility model, does not constitute to of the present utility model improper
Limit.In the accompanying drawings：
Fig. 1 is a kind of schematic diagram of optional Feeder Terminal Unit according to the utility model embodiment one；And
Fig. 2 is the schematic diagram of another optional Feeder Terminal Unit according to the utility model embodiment one.
Embodiment
In order that those skilled in the art more fully understand the utility model scheme, it is real below in conjunction with the utility model
The accompanying drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model part, rather than whole embodiments.Based on the reality in the utility model
Example is applied, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made all should
When the scope for belonging to the utility model protection.
Embodiment one
According to the utility model embodiment there is provided a kind of embodiment of Feeder Terminal Unit, Fig. 1 is new according to this practicality
The schematic diagram of a kind of optional Feeder Terminal Unit of type embodiment one, as shown in figure 1, the equipment includes：
Sampling unit 10, for gathering current data and voltage data simultaneously.
State-signal collection unit 20, for gathering remote signalling information.
Processor 30, is connected with sampling unit 10 and state-signal collection unit 20, for current data, voltage data and
Remote signalling information carries out logical operation, determines system with the presence or absence of failure according to the result of logical operation and sends remote signal.
Remote control output unit 40, is connected with processor 30, for receiving and sending remote signal.
Specifically, remote signalling information can be the position of on-pole switch, energy storage situation, communications status etc..Processor 30 can be with
By internal double channel A/D converting unit, while collection voltages data and current data, and up to 56 subharmonic can be supported
Analysis, can reduce the complexity of design of hardware and software, improve the technical indicator of product, comply with the current market demand, carry
The cost performance of high product.
It should be noted that processor 30 can be responsible for AD sampling and carry out logical operation, by calculate voltage data and
Current data, and judge the remote signalling data of correlation, when needing action, remote signal is exported by remote control output unit 40.
The embodiment of the present application is by above-mentioned sampling unit 10, for gathering current data and voltage data simultaneously；Remote signalling is adopted
Collect unit 20, for gathering remote signalling information；Processor 30, is connected with sampling unit 10 and state-signal collection unit 20, for electricity
Flow data, voltage data and remote signalling information carry out logical operation, determine system with the presence or absence of event according to the result of logical operation
Hinder and send remote signal；Remote control output unit 40, is connected with processor 30, for receiving and sending remote signal, solves
Because the Feeder Terminal Unit cost that computationally intensive, load is effectively caused raises, designed the technical problem of complexity.
Alternatively, sampling unit 10 can include：
Voltage acquisition module, including 8 road voltage of ac submodules and the first filtering, protection, matched sub-block, for adopting
Collecting voltage data.
Current acquisition module, including 8 road electric current of ac submodules and the second filtering, protection, matched sub-block, for adopting
Current collection flow data.
Specifically, sampling unit 10 can include voltage acquisition module and current acquisition module, and voltage acquisition module can be with
Including 8 road voltage of ac submodules and the first filtering, protection, matched sub-block, wherein, the first filtering, protection, matching submodule
Block is connected with processor 30, and 8 road voltage of ac submodules are connected with the first filtering, protection, matched sub-block.Current acquisition mould
Block can include 8 road electric current of ac submodules and the second filtering, protection, matched sub-block, the second filtering, protection, matching
Module is connected with processor 30,8 road electric current of ac submodules and the second filtering, protection, matched sub-block connection.
It should be noted that 8 road voltage of ac submodules mainly include PT circuits, for high voltage signal to be converted to
Low voltage signal；8 road electric current of ac submodules mainly include CT circuits, for current signal to be converted into voltage signal；The
One filtering, protection, matched sub-block are used to the voltage signal after 8 road voltage of ac submodule conversions being processed into processor 30
The internal receivable signals of AD；Second filtering, protection, matched sub-block are used for after 8 road electric current of ac submodule conversions
Voltage signal is processed into the receivable signals of inside AD of processor 30
Alternatively, state-signal collection unit 20 can include：
N roads remote signal module, for gathering remote signalling information, wherein, N is natural number.
Photoelectric isolation module, is connected with N roads remote signal module and processor 30, for carrying out Phototube Coupling to remote signalling information.
Specifically, state-signal collection unit 20 can include N roads remote signal module and photoelectric isolation module, and N roads remote signal module is born
Remote signalling information outside duty collection, the remote signalling of N roads can be gathered in real time, by entering processor 30 after photoelectric isolation module.
Alternatively, remote control output unit 40 can include：
Relay isolation module, is connected with processor 30, for passing through relay to the remote signal that processor 30 is exported
Isolated.
N roads remote control module, is connected with relay isolation module, the remote signal sent for output processor 30, wherein,
N is natural number.
Specifically, remote control output unit 40 can include relay isolation module and N roads remote control module, need action
When, processor 30 is exported remote signal to N roads remote control module by relay isolation module.
Alternatively, Feeder Terminal Unit can also include：
Connection unit, is connected with processor 30, including electrical isolation module and communication interface, for being led to main website
Letter.
Specifically, connection unit can include electrical isolation module and communication interface, electrical isolation module and processor 30
Connection, communication interface is connected with electrical isolation module, and electrical isolation module is used for what is communicated between isolation processing device 30 and main website
Electric signal, communication interface can be RS232/ Ethernets/optical fiber, and the electric signal that can will be responsible for communication is converted to and meets corresponding rule
The signal of model.
Alternatively, Feeder Terminal Unit can also include：
Human-machine operation module, is connected with processor 30, for checking and changing current data, voltage data and remote signalling
Information.
Specifically, human-machine operation module provides the interface of human-machine operation, can carry out data and check and change.Wherein
Man-machine interface in human-machine operation module can be LED, button or liquid crystal display.
Alternatively, Feeder Terminal Unit can also include：
Memory, is connected with processor 30, for storing current data, voltage data that processor 30 receives and distant
Letter information, and the parameter information produced when storage human-machine operation module modification current data, voltage data and remote signalling information.
Specifically, memory can be ferroelectric RAM, can be stored the various data that processor 30 is received, in people
Machine operation module carries out that data are checked and the parameter information, logout and the wave-record chart that are produced during changing etc. are saved in storage
In device, further, the data stored in memory can be by being communicated between connection unit and main website.
Alternatively, Feeder Terminal Unit can also include：
Power monitor module, is connected with processor 30, the working condition for each level power supply of monitoring system.
Specifically, power monitor module can be power monitorings at different levels, can be used for the power supply of monitoring arrangement.
Alternatively, Feeder Terminal Unit can also include：
Clock module, is connected with processor 30, the fiducial time for preserving Feeder Terminal Unit.
Specifically, clock module can preserve the fiducial time of Feeder Terminal Unit, can pass through connection unit and main website
Set time, the time of Feeder Terminal Unit is mutually unified with the time of main website.
Alternatively, Feeder Terminal Unit can also include：
Humiture collection module, is connected with processor 30, the warm and humid angle value for gathering environment.
With reference to specific application scenarios, above-mentioned Feeder Terminal Unit is illustrated.Fig. 2 is according to the utility model
The schematic diagram of another optional Feeder Terminal Unit of embodiment one, as shown in Fig. 2 the Feeder Terminal Unit can include：8
The filtering of road voltage of ac submodule 101, first, protection, matched sub-block 102,8 road electric current of ac submodules 103, second
Filtering, protection, matched sub-block 104, N roads remote signal module 201, photoelectric isolation module 202, processor 30, N roads remote control module
401st, relay isolation module 402, electrical isolation module 501, communication interface 502, human-machine operation module 60, ferroelectric RAM 70, electricity
Source monitoring module 80, clock module 90 and humiture module 100.
Wherein, ferroelectric RAM 70 can be memory.The processor 30 of Feeder Terminal Unit can pass through internal double channel A/D
Converting unit, at the same by 8 road voltage of ac submodules 101 and the collection voltages data of 8 road electric current of ac submodule 103 and
Current data, by entering place after the first filtering, protection, the filtering of matched sub-block 102 and second, protection, matched sub-block 104
Manage the inside of device 30 and carry out analog-to-digital conversion.N roads remote signal module 201 gathers remote signalling information in real time, laggard by photoelectric isolation module 202
Enter processor 30, processor 30 can be by calculating voltage data and current data, and judges related remote signalling information, is needing to move
When making, action message is exported to N roads remote control module 401 by relay isolation module 402.Data, which are checked and changed, to be passed through
Human-machine operation module 60 is carried out, the parameter information during which produced, logout, and wave-record chart etc. is preserved to ferroelectric RAM 70, and is led to
Electrical isolation module 501 is crossed, is set up and communicated with main website by communication interface 502 (can be RS232/ Ethernets/optical fiber).Simultaneously
With clock module 90, humiture module 100, the function of power monitor module 80.Realize position, the energy storage feelings of collection on-pole switch
The remote signalling information such as condition, communications status, can calculate line voltage distribution, electric current, active power, reactive power, harmonic content, power because
The telemetry intelligence (TELINT)s such as number, tri-phase unbalance factor, can carry out frequency analysis, can according to the breaking-closing operating of distant place order controlling switch,
It is capable of number of times and time of statistic switch action etc., real-time Communication for Power can be carried out with main website, can be set time with main website, when making
Between it is synchronous with main website holding, logout, detection failure, fault warning, fault location etc. can be preserved.
Embodiment two
The utility model additionally provides a kind of electrical power distribution automatization system, and the electrical power distribution automatization system includes above-described embodiment one
In any Feeder Terminal Unit.
Above-mentioned the utility model embodiment sequence number is for illustration only, and the quality of embodiment is not represented.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of Feeder Terminal Unit, it is characterised in that including：
Sampling unit, for gathering current data and voltage data simultaneously；
State-signal collection unit, for gathering remote signalling information；
Processor, is connected with the sampling unit and the state-signal collection unit, for the current data, the voltage number
According to this and the remote signalling information carry out logical operation, according to the result of the logical operation determine system with the presence or absence of failure it is concurrent
Go out remote signal；
Remote control output unit, is connected with the processor, for receiving and sending the remote signal.
2. Feeder Terminal Unit according to claim 1, it is characterised in that the sampling unit includes：
Voltage acquisition module, including 8 road voltage of ac submodules and the first filtering, protection, matched sub-block, for gathering electricity
Press data；
Current acquisition module, including 8 road electric current of ac submodules and the second filtering, protection, matched sub-block, for gathering electricity
Flow data.
3. Feeder Terminal Unit according to claim 1, it is characterised in that the state-signal collection unit includes：
N roads remote signal module, for gathering remote signalling information, wherein, N is natural number；
Photoelectric isolation module, is connected with N roads remote signal module and the processor, for carrying out photoelectricity to the remote signalling information
Isolation.
4. Feeder Terminal Unit according to claim 1, it is characterised in that the remote control output unit includes：
Relay isolation module, is connected with the processor, for the remote signal that is exported to the processor by after
Electrical equipment is isolated；
N roads remote control module, is connected with the relay isolation module, for exporting the remote control letter that the processor is sent
Number, wherein, N is natural number.
5. Feeder Terminal Unit according to claim 1, it is characterised in that the Feeder Terminal Unit also includes：
Connection unit, is connected with the processor, including electrical isolation module and communication interface, for being communicated with main website.
6. Feeder Terminal Unit according to claim 1, it is characterised in that the Feeder Terminal Unit also includes：
Human-machine operation module, is connected with the processor, for check and change the current data, the voltage data with
And the remote signalling information.
7. Feeder Terminal Unit according to claim 6, it is characterised in that the Feeder Terminal Unit also includes：
Memory, is connected with the processor, for storing the current data, the voltage number that the processor is received
According to this and the remote signalling information, and store the human-machine operation module change the current data, the voltage data and
The parameter information produced during the remote signalling information.
8. Feeder Terminal Unit according to claim 1, it is characterised in that the Feeder Terminal Unit also includes：
Power monitor module, is connected with the processor, the working condition of each level power supply for monitoring the system.
9. Feeder Terminal Unit according to claim 1, it is characterised in that the Feeder Terminal Unit also includes：
Clock module, is connected with the processor, the fiducial time for preserving the Feeder Terminal Unit.
10. a kind of electrical power distribution automatization system, it is characterised in that set including the line feed terminals any one of claim 1 to 9
It is standby.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621461922.3U CN206370731U (en) | 2016-12-29 | 2016-12-29 | A kind of Feeder Terminal Unit and electrical power distribution automatization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621461922.3U CN206370731U (en) | 2016-12-29 | 2016-12-29 | A kind of Feeder Terminal Unit and electrical power distribution automatization system |
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| Publication Number | Publication Date |
|---|---|
| CN206370731U true CN206370731U (en) | 2017-08-01 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621461922.3U Expired - Fee Related CN206370731U (en) | 2016-12-29 | 2016-12-29 | A kind of Feeder Terminal Unit and electrical power distribution automatization system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107492954A (en) * | 2017-10-09 | 2017-12-19 | 安徽科盟电子科技有限公司 | A kind of metering type power distribution network FTU devices |
| CN110086261A (en) * | 2019-06-07 | 2019-08-02 | 珠海博威电气股份有限公司 | It is a kind of can industrialization feeder line distribution terminal |
| CN111526330A (en) * | 2020-04-17 | 2020-08-11 | 广东电网有限责任公司 | Transformer substation equipment state intelligent recognition system based on machine vision |
| CN112467881A (en) * | 2020-11-27 | 2021-03-09 | 广东电网有限责任公司佛山供电局 | Distribution network automation feeder terminal device who possesses battery management and control |
| CN113485194A (en) * | 2021-07-20 | 2021-10-08 | 北京四方继保工程技术有限公司 | Remote signaling acquisition circuit for power distribution device and control method |
-
2016
- 2016-12-29 CN CN201621461922.3U patent/CN206370731U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107492954A (en) * | 2017-10-09 | 2017-12-19 | 安徽科盟电子科技有限公司 | A kind of metering type power distribution network FTU devices |
| CN107492954B (en) * | 2017-10-09 | 2020-09-29 | 安徽科盟电子科技有限公司 | Measurement type distribution network FTU device |
| CN110086261A (en) * | 2019-06-07 | 2019-08-02 | 珠海博威电气股份有限公司 | It is a kind of can industrialization feeder line distribution terminal |
| CN111526330A (en) * | 2020-04-17 | 2020-08-11 | 广东电网有限责任公司 | Transformer substation equipment state intelligent recognition system based on machine vision |
| CN112467881A (en) * | 2020-11-27 | 2021-03-09 | 广东电网有限责任公司佛山供电局 | Distribution network automation feeder terminal device who possesses battery management and control |
| CN113485194A (en) * | 2021-07-20 | 2021-10-08 | 北京四方继保工程技术有限公司 | Remote signaling acquisition circuit for power distribution device and control method |
| CN113485194B (en) * | 2021-07-20 | 2022-09-30 | 北京四方继保工程技术有限公司 | Remote signaling acquisition circuit for power distribution device and control method |
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Granted publication date: 20170801 Termination date: 20191229 |