CN106026110B - A kind of net load interaction terminal that can quickly cut off large user's load - Google Patents
A kind of net load interaction terminal that can quickly cut off large user's load Download PDFInfo
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- CN106026110B CN106026110B CN201610623384.1A CN201610623384A CN106026110B CN 106026110 B CN106026110 B CN 106026110B CN 201610623384 A CN201610623384 A CN 201610623384A CN 106026110 B CN106026110 B CN 106026110B
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- 230000003993 interaction Effects 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 230000005611 electricity Effects 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims description 57
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000005070 sampling Methods 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 4
- 238000010619 multiway switching Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 239000004973 liquid crystal related substance Substances 0.000 claims description 2
- 238000004088 simulation Methods 0.000 claims 1
- 230000004044 response Effects 0.000 abstract description 8
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 240000002853 Nelumbo nucifera Species 0.000 description 4
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 4
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
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- 230000004048 modification Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
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- 230000009977 dual effect Effects 0.000 description 1
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- 230000002093 peripheral effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
- H02J3/14—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
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- H02J13/0006—
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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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
- Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
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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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses the net load interaction terminals that one kind can quickly cut off large user's load, including real-time acquisition control electric plates and electricity transparent transmission electric plates, the voltage and current and switch position signal of subscriber's drop and outlet are acquired by real-time acquisition control electric plates, and main website, the area I is uploaded in real time, realize that subscribers' line load acquires function in real time, user side meter data are acquired by electricity transparent transmission electric plates, then meter data are uploaded to the area IV power information acquisition system, it is long-range to obtain user power consumption information, realize customer charge real time monitoring function；And when extra-high voltage grid breaks down, real-time acquisition control electric plates receive the quick control instruction of batch that main website, the area I is directly assigned, control instruction is quickly converted into divide-shut brake relay signal, user side secondary charge circuit accordingly is quickly cut off, realizes that the quick load under quick response large power system accident cuts off function.
Description
Technical field
The present invention relates to the net load interaction terminals that one kind can quickly cut off large user's load, belong to Power System Intelligent control
Technical field.
Background technique
With the arrival of global energy Internet era, the ratio of extra-high voltage load constantly increases, and the following power grid will face
The challenge of extra-high voltage large receiving-end grid.Extensive extra-high voltage direct-current concentrates feed-in bring dynamic passive compensation deficiency problem more next
More prominent, there are huge Voltage Instability risks；Single time DC line by electric large percentage, once because equipment, outer broken, disaster,
The reasons such as failure locking and stop transport and bipolar locking occurs will lead to mains frequency sharply to decline, in emergency circumstances need quick cutout unit
Divide large user's load.Existing load control terminal mainly uses two kinds of communication modes of 230M wireless private network and GPRS wireless public network
It is communicated with main website, receives the big load instruction of quickly excision that main website issues, response speed is slower, is unable to satisfy extra-high voltage event
The emergency response requirement of load is quickly cut off when barrier.
Summary of the invention
It is an object of the invention to overcome deficiency in the prior art, large user's load can quickly be cut off by providing one kind
Net load interaction terminal, the technology of extra-high voltage emergency excision response can not be timely responded to by solving load control terminal in the prior art
Problem.
In order to solve the above technical problems, the present invention provides the net load interaction that one kind can quickly cut off large user's load is whole
End, including real-time acquisition control electric plates and electricity transparent transmission electric plates,
The real-time acquisition control electric plates include that host CPU plate, multiple analog acquisition plates, one or more switching values are defeated
Enter plate and multiple switch amount output board, wherein the respective input of the output end connection host CPU plate of analog acquisition plate, switching value
The respective input of the output end connection host CPU plate of input board, the input terminal of digital output module connect the corresponding defeated of host CPU plate
Outlet；
Analog acquisition plate, including multi-analog sense channel, analog quantity sense channel is for detecting user side inlet wire
Host CPU plate is transferred to the voltage or/and current-mode analog quantity signal of outlet；
On-off signal plate, including multi-way switching values sense channel, switching value channel is for detecting opening for user side
Off position signal is transferred to host CPU plate；
Host CPU plate, including main control centre, AD conversion unit and the first communication unit, the AD conversion unit will be from moulds
The received analog signals of analog quantity sense channel are converted to digital signal and export to main control centre, and main control centre passes through first
Communication unit realizes the two-way communication with main website, the area I, to send user side analog signals and the position of the switch to main website, the area I in real time
Signal and the load control order for receiving the transmission of main website, the area I；
Digital output module, including multiple groups relay output channel, relay output channel is for receiving host CPU plate end
Load control order is converted to the charge circuit of divide-shut brake relay signal output control user side；
The electricity transparent transmission electric plates, including transparent transmission control centre, uplink communication unit and downgoing communication unit, transparent transmission control
The both-way communication with user side meter is realized at center processed by downgoing communication unit, to acquire the information on load of user side；Thoroughly
Pass control centre by uplink communication unit realize with the both-way communication of the area IV user information acquisition system, to will be collected
User side information on load passes through the area IV user information acquisition system upwards.
Further, the real-time acquisition control electric plates and electricity transparent transmission electric plates are independent pluggable electrical
Plate.
Further, analog acquisition plate includes 3, and the first analog acquisition plate is equipped with 12 analog quantity sense channels,
For acquiring the full phase current of 4 branches or 6 branch biphase currents；It is logical that second analog acquisition plate is equipped with 12 analog quantity detections
Road, for acquiring the full phase current of 2 branches and 2 sections of full phase voltages of bus；Third analog acquisition plate is equipped with 12 analog quantity inspections
Channel is surveyed, for acquiring the full phase current of 2 branches and 2 sections of full phase voltages of bus.
Further, On-off signal plate includes 30 way switch amount sense channels, and every way switch amount sense channel is equipped with
It is used to indicate the indicator light of On-off signal.
Further, multiple analog acquisition plates, one or more On-off signal plates and multiple switch amount output board pass through
It is connected between bus and host CPU plate.
It further, further include man-machine interface board, the corresponding port of man-machine interface board and host CPU plate is bi-directionally connected, man-machine
Interface board includes liquid crystal display and keyboard.
It further, further include phonic warning unit, the input terminal of phonic warning unit connects the corresponding of main control centre
Output end.
It further, further include the second communication unit, the second communication unit connects main control centre, and the second communication unit is adopted
With RS485/RS232 serial port.
It further, further include multiple status indicator lamps, the input terminal of the status indicator lamp connects main control centre, uses
In the working condition of display host CPU plate.
Further, the host CPU plate is equipped with dsp chip, the first fpga chip and the second fpga chip, wherein master control
It is realized using dsp chip at center processed；First communication unit realizes that AD conversion unit uses second using the first fpga chip
Fpga chip realizes data sampling control, and the second fpga chip is set to the left side of host CPU plate, and dsp chip is set to the right side of host CPU plate
Side.
Further, the first communication unit uses 100M fiber optic Ethernet communication modes, and uplink communication unit uses ether
Net communication modes, downgoing communication unit use RS485/RS232 serial port.
Compared with prior art, the beneficial effects obtained by the present invention are as follows being: the present invention passes through real-time acquisition control electric plates
The voltage and current and switch position signal of subscriber's drop and outlet are acquired, and uploads main website, the area I in real time, realizes that subscribers' line is negative
Lotus acquires function in real time, and when extra-high voltage grid breaks down, has the quick load under quick response large power system accident
Function is cut off, user side meter data is acquired by electricity transparent transmission electric plates, meter data is then uploaded to the area IV telecommunications
Acquisition system is ceased, it is long-range to obtain user power consumption information, realize customer charge real time monitoring function.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of net load interaction terminal of the present invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
As shown in Figure 1, one kind of the invention can quickly cut off the net load interaction terminal of large user's load, including acquire in real time
Electric plates and electricity transparent transmission electric plates are controlled,
The real-time acquisition control electric plates include that host CPU plate, multiple analog acquisition plates, one or more switching values are defeated
Enter plate and multiple switch amount output board, wherein the respective input of the output end connection host CPU plate of analog acquisition plate, switching value
The respective input of the output end connection host CPU plate of input board, the input terminal of digital output module connect the corresponding defeated of host CPU plate
Outlet；
Analog acquisition plate, including multi-analog sense channel, analog quantity sense channel is for detecting user side inlet wire
Host CPU plate is transferred to the voltage or/and current-mode analog quantity signal of outlet；
On-off signal plate, including multi-way switching values sense channel, switching value channel is for detecting opening for user side
Off position signal is transferred to host CPU plate；
Host CPU plate, including main control centre, AD conversion unit and the first communication unit, the AD conversion unit will be from moulds
The received analog signals of analog quantity sense channel are converted to digital signal and export to main control centre, and main control centre passes through first
Communication unit realizes the two-way communication with main website, the area I, to send user side analog signals and the position of the switch to main website, the area I in real time
Signal and the load control order for receiving the transmission of main website, the area I；
Digital output module, including multiple groups relay output channel, relay output channel is for receiving host CPU plate end
Load control order is converted to the charge circuit of divide-shut brake relay signal output control user side；
The electricity transparent transmission electric plates, including transparent transmission control centre, uplink communication unit and downgoing communication unit, transparent transmission control
The both-way communication with user side meter is realized at center processed by downgoing communication unit, to acquire the information on load of user side；Thoroughly
Pass control centre by uplink communication unit realize with the both-way communication of the area IV user information acquisition system, to will be collected
User side information on load passes through the area IV user information acquisition system upwards.
Wherein, the main website, the area I, the area IV user information acquisition system are that function is drawn in electric system in the prior art
Point, the area I is real time control area private network in electric system, and the area II is noncontrolled area private network, and the area III is public network, and the area IV is management letter
Breath system private network.
Terminal of the present invention carries out the detailed process of quickly excision large user's load are as follows: when extra-high voltage grid breaks down,
Save and adjust EMS(energy management system) dependent failure information is obtained at first, issue that (load control system is quick with the main website in the area I by it
Response system), then the quick control instruction of batch is directly assigned to live net load interaction terminal by main website, the area I.Net lotus of the present invention is mutual
Dynamic terminal host CPU plate receives the quick control instruction of batch that main website, the area I is directly assigned, and host CPU plate quickly transmits control instruction
Divide-shut brake relay signal is converted to digital output module, quickly cuts off user side secondary charge circuit accordingly, and ensure
User cannot voluntarily close a floodgate before in the surely control time, (the general steady control time is 300 seconds) terminates.When main website, the area I hair releases quickly control
When restoring combined floodgate condition after the instruction of charge circuit or surely control time, net load interaction terminal just allows user to corresponding load
Line powering.
The present invention acquires the voltage and current of subscriber's drop and outlet by real-time acquisition control electric plates and the position of the switch is believed
Number, and main website is uploaded in real time, realize that subscribers' line load acquires function in real time, and when extra-high voltage grid breaks down, tool
Quick load under standby quick response large power system accident cuts off function, acquires user side meter number by electricity transparent transmission electric plates
According to, meter data are then uploaded to the area IV power information acquisition system, it is long-range to obtain user power consumption information, realize that user is negative
Lotus real-time monitoring remotely purchases Electricity Functional in advance.Its medium-long range forward purchasing Electricity Functional can refer to expense control table forward purchasing Electricity Functional in the prior art
It realizes.
Further, the real-time acquisition control electric plates and electricity transparent transmission electric plates are independent pluggable electrical
Plate.Net load interaction terminal uses integrated design, and electric plates use front inserting casing structure, and easy to repair and replacement is electrical
Plate.
Further, the present invention has multiplexed signal sampling, multi-channel control output.Wherein, analog acquisition plate includes 3
A, the first analog acquisition plate is equipped with 12 analog quantity sense channels, for acquiring the full phase current of 4 branches or 6 branches two
Phase current；Second analog acquisition plate is equipped with 12 analog quantity sense channels, for acquiring the full phase current of 2 branches and 2 sections of mothers
The full phase voltage of line；Third analog acquisition plate is equipped with 12 analog quantity sense channels, for acquiring the full phase current of 2 branches and 2
The section full phase voltage of bus.Analog acquisition plate can be divided into inlet wire analog acquisition plate according to user side inlet wire and outlet and go out
Existing analog acquisition plate, provides traditional CT/PT access interface, total to have 36 sampling channels.Further, On-off signal plate
Including 30 way switch amount sense channels, every way switch amount sense channel is equipped with the indicator light for being used to indicate On-off signal.
Further digital output module shares the output of 6 component closing relays, connects wherein every group of divide-shut brake relay shares one
Point, each actuating of relay have corresponding indicator light.
Further, analog acquisition plate, On-off signal plate and digital output module pass through between bus and host CPU plate
Connection.Inner high speed bus quickly will when raising transmission rate, especially host CPU plate issue quickly excision load control order
Quickly excision load control order is transferred to digital output module, and then quickly cuts off large user side charge circuit.
It further, further include man-machine interface board, the corresponding port of man-machine interface board and host CPU plate is bi-directionally connected, man-machine
Interface board carries out display interaction and 12 keys (3 dedicated keys) key including 1 piece of 320 × 240 large-size screen monitors lattice lcd, 18 indicator lights
Disk carries out input interaction.
It further, further include phonic warning unit, the input terminal of phonic warning unit connects the corresponding of main control centre
Output end.When in the event of failure, main control centre issues phonic warning instruction control phonic warning unit and carries out voice prompting, voice
Alarm Unit can use loudspeaker in the prior art, loudspeaker.
It further, further include the second communication unit, the second communication unit connects main control centre, and the second communication unit is adopted
With RS485/RS232 serial port.Second communication unit is attached for other equipment in electric system, in main control
The heart carries out information exchange.
It further, further include multiple status indicator lamps, the input terminal of the status indicator lamp connects main control centre, uses
In the working condition of display host CPU plate.It such as include operation (R), failure (ER), the multiple indicator lights instruction host CPUs of alarm (AL)
Plate working condition.
Further, the host CPU plate is equipped with dsp chip, the first fpga chip and the second fpga chip, wherein master control
It is realized using dsp chip at center processed；First communication unit is using the realization of the first fpga chip, MAC built in the first fpga chip
(Media Access Controlled) soft core module, plugs into physical chip PHY, realizes the interface with outside network device；The present embodiment
In the first communication unit using the first fpga chip realize 100M fiber optic Ethernet.AD conversion unit is real using the second fpga chip
Existing data sampling control, the second fpga chip are set to the left side of host CPU plate, and dsp chip is set to the right side of host CPU plate.Left and right sides
Strong and weak electricity is strictly separated, and improves anti-interference ability.
Further, transparent transmission control centre is realized using peripheral hardware list ARM chip abundant on the electricity transparent transmission electric plates.
Further, uplink communication interface realizes that teledata passes using the ethernet communication mode for supporting configuration routing
Defeated, downgoing communication uses the equipment interfaces such as RS485/RS232 serial port and in-site measurement meter, realizes that communication packet is remote
Journey transparent transmission and meter serial port service manage dual function.
In conclusion the present embodiment terminal uses 100M fiber optic Ethernet network and master station transmission to realize fast cut back,
Ensure that the Network Transmission Delays of cutting load instruction can control in 200ms, at the same completed in 10ms in terminal response quickly cut it is negative
Control instruction is converted to divide-shut brake relay signal, the quick excision use of 150ms Real-Time Switch tripping by lotus instruction, interior realize of 30ms
Family side secondary charge circuit accordingly issues control instruction from main website and completes in 1s to switch trip is executed, and realizes that second grade is fast
Fast cutting load control.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications, these improvements and modifications can also be made
Also it should be regarded as protection scope of the present invention.
Claims (7)
1. one kind can quickly cut off the net load interaction terminal of large user's load, including real-time acquisition control electric plates and electricity transparent transmission
Electric plates,
The real-time acquisition control electric plates include host CPU plate, multiple analog acquisition plates, one or more On-off signal plates
With multiple switch amount output board, wherein the output end of analog acquisition plate connects the respective input of host CPU plate, On-off signal
The respective input of the output end connection host CPU plate of plate, the corresponding output of the input terminal connection host CPU plate of digital output module
End；
Analog acquisition plate, including multi-analog sense channel, analog quantity sense channel is for detecting user side inlet wire and going out
The voltage or/and current-mode analog quantity signal of line are transferred to host CPU plate；
On-off signal plate, including multi-way switching values sense channel, switching value channel are used to detect the switch position of user side
Confidence number is transferred to host CPU plate；
Host CPU plate, including main control centre, AD conversion unit and the first communication unit, the AD conversion unit will be from analog quantitys
The received analog signals of sense channel are converted to digital signal and export to main control centre, and main control centre passes through the first communication
Unit realizes the two-way communication with main website, the area I, to send user side analog signals and switch position signal to main website, the area I in real time
With the load control order for receiving the transmission of main website, the area I；
Digital output module, including multiple groups relay output channel, relay output channel are used to receive the load at host CPU plate end
Control instruction is converted to the charge circuit of divide-shut brake relay signal output control user side；
The electricity transparent transmission electric plates, including transparent transmission control centre, uplink communication unit and downgoing communication unit, transparent transmission control in
The heart realizes the both-way communication with user side meter by downgoing communication unit, to acquire the information on load of user side；Transparent transmission control
Center processed by uplink communication unit realize with the both-way communication of the area IV user information acquisition system, to by collected user
Side information on load passes through the area IV user information acquisition system upwards；
The real-time acquisition control electric plates and electricity transparent transmission electric plates are independent pluggable electrical plate；
Analog acquisition plate, On-off signal plate and digital output module between bus and host CPU plate by connecting；
First communication unit uses 100M fiber optic Ethernet communication modes, and uplink communication unit uses ethernet communication mode, under
Row communication unit uses RS485/RS232 serial port.
2. the net load interaction terminal that one kind according to claim 1 can quickly cut off large user's load, characterized in that simulation
Measuring collection plate includes 3, and the first analog acquisition plate is equipped with 12 analog quantity sense channels, for acquiring 4 branch Quan Xiang electricity
Stream or 6 branch biphase currents；Second analog acquisition plate is equipped with 12 analog quantity sense channels, complete for acquiring 2 branches
Phase current and 2 sections of full phase voltages of bus；Third analog acquisition plate is equipped with 12 analog quantity sense channels, for acquiring 2 branch
The full phase current in road and 2 sections of full phase voltages of bus；On-off signal plate includes 30 way switch amount sense channels, every way switch amount detection
Channel is equipped with the indicator light for being used to indicate On-off signal.
3. the net load interaction terminal that one kind according to claim 1 can quickly cut off large user's load, characterized in that also wrap
Include man-machine interface board, the corresponding port of man-machine interface board and host CPU plate is bi-directionally connected, man-machine interface board include liquid crystal display and
Keyboard.
4. the net load interaction terminal that one kind according to claim 1 can quickly cut off large user's load, characterized in that also wrap
Include phonic warning unit, the corresponding output end of the input terminal connection main control centre of phonic warning unit.
5. the net load interaction terminal that one kind according to claim 1 can quickly cut off large user's load, characterized in that also wrap
The second communication unit is included, the second communication unit connects main control centre, and the second communication unit uses RS485/RS232 serial communication
Mode.
6. the net load interaction terminal that one kind according to claim 1 can quickly cut off large user's load, characterized in that also wrap
Multiple status indicator lamps are included, the input terminal of the status indicator lamp connects main control centre, for showing the work shape of host CPU plate
State.
7. the net load interaction terminal that one kind according to claim 1 can quickly cut off large user's load, characterized in that described
Host CPU plate is equipped with dsp chip, the first fpga chip and the second fpga chip, and wherein main control centre is using dsp chip come real
It is existing；First communication unit realizes that AD conversion unit realizes data sampling control using the second fpga chip using the first fpga chip
System, the second fpga chip are set to the left side of host CPU plate, and dsp chip is set to the right side of host CPU plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610623384.1A CN106026110B (en) | 2016-08-02 | 2016-08-02 | A kind of net load interaction terminal that can quickly cut off large user's load |
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| CN201610623384.1A CN106026110B (en) | 2016-08-02 | 2016-08-02 | A kind of net load interaction terminal that can quickly cut off large user's load |
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| CN106026110B true CN106026110B (en) | 2019-10-29 |
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| CN108258680A (en) * | 2017-12-29 | 2018-07-06 | 江苏方天电力技术有限公司 | A kind of universal distributed fast cut back interface arrangement |
| CN113964844B (en) * | 2021-11-01 | 2023-10-31 | 国网江苏省电力有限公司泰州供电分公司 | Load shedding control system based on 5G public network tunnel time window |
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| CN104953710A (en) * | 2015-06-16 | 2015-09-30 | 深圳供电局有限公司 | Intelligent integrated sampling device, intelligent network distribution terminal and power distribution network |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2916245B2 (en) * | 1990-11-14 | 1999-07-05 | 日本碍子株式会社 | Distribution line monitoring system |
| CN102227090B (en) * | 2011-06-27 | 2013-08-21 | 山西省电力公司临汾供电分公司 | Intelligent FA (feeder automation) system of 10kV-carrier communication |
| CN203352295U (en) * | 2013-07-22 | 2013-12-18 | 国家电网公司 | Intelligent terminal of rural network direct distribution station |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102981084A (en) * | 2012-12-07 | 2013-03-20 | 深圳市双合电气股份有限公司 | Comprehensive monitoring system for electric power system transformers |
| CN103034962A (en) * | 2012-12-27 | 2013-04-10 | 安徽中兴继远信息技术股份有限公司 | Large power user intelligent interactive terminal |
| CN104953710A (en) * | 2015-06-16 | 2015-09-30 | 深圳供电局有限公司 | Intelligent integrated sampling device, intelligent network distribution terminal and power distribution network |
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