CN106026110A - Grid-load interaction terminal capable of removing great user load quickly - Google Patents
Grid-load interaction terminal capable of removing great user load quickly Download PDFInfo
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- CN106026110A CN106026110A CN201610623384.1A CN201610623384A CN106026110A CN 106026110 A CN106026110 A CN 106026110A CN 201610623384 A CN201610623384 A CN 201610623384A CN 106026110 A CN106026110 A CN 106026110A
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- 230000003993 interaction Effects 0.000 title claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 230000005611 electricity Effects 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims description 56
- 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
- 239000004973 liquid crystal related substance Substances 0.000 claims description 2
- 230000004044 response Effects 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008901 benefit 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
- 238000013461 design Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
Abstract
The invention discloses a grid-load interaction terminal capable of removing a great user load quickly. The terminal comprises a real-time collection control electric plate and an electric quantity unvarnished transmission electric plate, wherein the real-time collection control electric plate acquires voltage and current of a service line and an outgoing line of a user and switch position signals and uploads the voltage, current and switch position signals to a master station in the area I in real time, so that real-time collection of a user line load is achieved; the electric quantity unvarnished transmission electric plate acquires user side meter data and uploads the meter data to an electricity information acquisition system in the area IV, so that electricity information of the user is acquired remotely and real-time monitoring of the user load is achieved; furthermore, when an ultra-high voltage grid fails, the real-time collection control electric plate receives a bulk quick control instruction directly given out by the master station in the area I, the control instruction is quickly converted into a breaking-closing relay signal, a corresponding minor load line on the user side is quickly removed, and quick response to severe power grid accidents by quick load removal is achieved.
Description
Technical field
The present invention relates to a kind of net load interaction terminal that can quickly excise large user's load, belong to Power System Intelligent and control technical field.
Background technology
Along with the arrival Internet era of global energy, the ratio of extra-high voltage load constantly increases, and following electrical network will face the challenge of extra-high voltage large receiving-end grid.The dynamic passive compensation deficiency problem that extensive extra-high voltage direct-current concentrates feed-in to bring is more and more prominent, there is huge Voltage Instability risk；Single time DC line is by electricity large percentage, and generation bipolar locking of once stopping transport because of reasons such as equipment, outer broken, disaster, failure lockings will cause mains frequency drastically to decline, and in emergency circumstances need quick cut-out large user's load.Existing load control terminal mainly uses 230M wireless private network and two kinds of communication modes of GPRS wireless public network to communicate with main website, receive the quickly big load instruction of excision that main website issues, response speed is slower, it is impossible to quickly excise the emergency response requirement of load when meeting extra-high voltage fault.
Summary of the invention
It is an object of the invention to overcome deficiency of the prior art, it is provided that a kind of net load interaction terminal that can quickly excise large user's load, solve load control terminal in prior art cannot timely respond to extra-high voltage meet an urgent need excision response technical problem.
For solving above-mentioned technical problem, the invention provides a kind of net load interaction terminal that can quickly excise large user's load, control electric plates and electricity transparent transmission electric plates including Real-time Collection,
Described Real-time Collection controls electric plates and includes host CPU plate, multiple analog acquisition plate, one or more On-off signal plates and multiple digital output module, wherein the outfan of analog acquisition plate connects the respective input of host CPU plate, the outfan of On-off signal plate connects the respective input of host CPU plate, and the input of digital output module connects the corresponding output end of host CPU plate；
Analog acquisition plate, including multi-analog sense channel, analog quantity sense channel is for detecting the voltage of user side inlet wire and outlet or/and current-mode analog quantity signal is transferred to host CPU plate；
On-off signal plate, including multi-way switching values sense channel, switching value passage is transferred to host CPU plate for the switch position signal detecting user side；
Host CPU plate, including main control centre, AD conversion unit and the first communication unit, the analog signals received from analog quantity sense channel is converted to digital signal and exports to main control centre by described AD conversion unit, main control centre passes through the first communication unit and realizes the two-way communication with main website of I district, to send user side analog signals and switch position signal and the load control order of main website of reception I district transmission to main website of I district in real time；
Digital output module, including many group relaies output channel, relay output channel is converted to the output of divide-shut brake relay signal for the load control order receiving host CPU plate end and controls the charge circuit of user side；
Described electricity transparent transmission electric plates, including transparent transmission control centre, uplink communication unit and downgoing communication unit, transparent transmission control centre realizes the both-way communication with user's side meter by downgoing communication unit, in order to gather the information on load of user side；Transparent transmission control centre realizes the both-way communication with IV district user profile acquisition system by uplink communication unit, in order to the user collected side information on load is upwards passed through IV district user profile acquisition system.
Further, described Real-time Collection controls electric plates and electricity transparent transmission electric plates is independent pluggable electric plate.
Further, analog acquisition plate includes 3, and the first analog acquisition plate is provided with 12 analog quantity sense channels, for gathering 4 full phase currents of branch road or 6 branch road biphase currents；Second analog acquisition plate is provided with 12 analog quantity sense channels, for gathering 2 full phase currents of branch road and 2 sections of full phase voltages of bus；3rd analog acquisition plate is provided with 12 analog quantity sense channels, for gathering 2 full phase currents of branch road and 2 sections of full phase voltages of bus.
Further, On-off signal plate includes that 30 way switch amount sense channels, every way switch amount sense channel are equipped with the display lamp having On-off signal for instruction.
Further, multiple analog acquisition plates, one or more On-off signal plates and multiple digital output module are by being connected between bus with host CPU plate.
Further, also including that man-machine interface board, man-machine interface board are bi-directionally connected with the corresponding port of host CPU plate, man-machine interface board includes liquid crystal display and keyboard.
Further, also including phonic warning unit, the input of phonic warning unit connects the corresponding output end of main control centre.
Further, also including that the second communication unit, the second communication unit connect main control centre, the second communication unit uses RS485/RS232 serial port.
Further, also including multiple status indicator lamp, the input of described status indicator lamp connects main control centre, for showing the duty of host CPU plate.
Further, described host CPU plate is provided with dsp chip, the first fpga chip and the second fpga chip, and wherein main control centre uses dsp chip to realize；First communication unit uses the first fpga chip to realize, and AD conversion unit uses the second fpga chip to realize data sampling control, and the second fpga chip is located at the left side of host CPU plate, and dsp chip is located at the right side of host CPU plate.
Further, the first communication unit uses 100M fiber optic Ethernet communication modes, and uplink communication unit uses ethernet communication mode, and downgoing communication unit uses RS485/RS232 serial port.
Compared with prior art, the present invention is reached to provide the benefit that: the present invention controls electric plates by Real-time Collection and gathers subscriber's drop and the voltage x current of outlet, and switch position signal, and upload main website of I district in real time, realize subscribers' line load Real-time Collection function, and when extra-high voltage grid breaks down, possess and quickly respond the quick load excision function under large power system accident, user's side meter data are gathered by electricity transparent transmission electric plates, then table is counted and be uploaded to IV district power information acquisition system, remotely obtain user power utilization amount information, realize customer charge real time monitoring function.
Accompanying drawing explanation
Fig. 1 is the structural representation of net load interaction terminal of the present invention.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.Following example are only used for clearly illustrating technical scheme, and can not limit the scope of the invention with this.
As it is shown in figure 1, a kind of net load interaction terminal that can quickly excise large user's load of the present invention, control electric plates and electricity transparent transmission electric plates including Real-time Collection,
Described Real-time Collection controls electric plates and includes host CPU plate, multiple analog acquisition plate, one or more On-off signal plates and multiple digital output module, wherein the outfan of analog acquisition plate connects the respective input of host CPU plate, the outfan of On-off signal plate connects the respective input of host CPU plate, and the input of digital output module connects the corresponding output end of host CPU plate；
Analog acquisition plate, including multi-analog sense channel, analog quantity sense channel is for detecting the voltage of user side inlet wire and outlet or/and current-mode analog quantity signal is transferred to host CPU plate；
On-off signal plate, including multi-way switching values sense channel, switching value passage is transferred to host CPU plate for the switch position signal detecting user side；
Host CPU plate, including main control centre, AD conversion unit and the first communication unit, the analog signals received from analog quantity sense channel is converted to digital signal and exports to main control centre by described AD conversion unit, main control centre passes through the first communication unit and realizes the two-way communication with main website of I district, to send user side analog signals and switch position signal and the load control order of main website of reception I district transmission to main website of I district in real time；
Digital output module, including many group relaies output channel, relay output channel is converted to the output of divide-shut brake relay signal for the load control order receiving host CPU plate end and controls the charge circuit of user side；
Described electricity transparent transmission electric plates, including transparent transmission control centre, uplink communication unit and downgoing communication unit, transparent transmission control centre realizes the both-way communication with user's side meter by downgoing communication unit, in order to gather the information on load of user side；Transparent transmission control centre realizes the both-way communication with IV district user profile acquisition system by uplink communication unit, in order to the user collected side information on load is upwards passed through IV district user profile acquisition system.
Wherein, described main website of I district, IV district user profile acquisition system is that in prior art, in power system, function divides, and in power system, I district is real time control area private network, and II district is noncontrolled area private network, and III district is public network, and IV district is management information system private network.
Terminal of the present invention quickly excises the detailed process of large user's load: when extra-high voltage grid breaks down, save and adjust EMS(energy management system) obtain dependent failure information at first, issued with the main website (spatial load forecasting quick response system) in I district by it, more directly assigned batch quick control instruction to on-the-spot net load interaction terminal by main website of I district.Net load interaction terminal host CPU plate of the present invention receives the batch quick control instruction that main website of I district is directly assigned, control instruction is quickly transferred to digital output module and is converted to divide-shut brake relay signal by host CPU plate, the quickly corresponding secondary charge circuit in excision user side, and guarantee that terminating front user in the steady control time (the general steady control time is 300 seconds) can not close a floodgate voluntarily.When recovering combined floodgate condition after the instruction of releasing quick control charge circuit is sent out by main website of I district or the steady control time terminates, net load interaction terminal just allows user to corresponding load line powering.
The present invention controls electric plates by Real-time Collection and gathers subscriber's drop and the voltage x current of outlet and switch position signal, and upload main website in real time, realize subscribers' line load Real-time Collection function, and when extra-high voltage grid breaks down, possess and quickly respond the quick load excision function under large power system accident, user's side meter data are gathered by electricity transparent transmission electric plates, then table is counted and be uploaded to IV district power information acquisition system, remotely obtain user power utilization amount information, it is achieved customer charge is monitored in real time, remotely purchased Electricity Functional in advance.Its medium-long range forward purchasing Electricity Functional refers to take control table forward purchasing Electricity Functional in prior art and realizes.
Further, described Real-time Collection controls electric plates and electricity transparent transmission electric plates is independent pluggable electric plate.Net load interaction terminal uses integrated design, and electric plates uses front inserting casing structure, it is simple to keeps in repair and changes electric plates.
Further, the present invention possesses multiplexed signal sampling, multi-channel control output.Wherein, analog acquisition plate includes 3, and the first analog acquisition plate is provided with 12 analog quantity sense channels, for gathering 4 full phase currents of branch road or 6 branch road biphase currents；Second analog acquisition plate is provided with 12 analog quantity sense channels, for gathering 2 full phase currents of branch road and 2 sections of full phase voltages of bus；3rd analog acquisition plate is provided with 12 analog quantity sense channels, for gathering 2 full phase currents of branch road and 2 sections of full phase voltages of bus.Analog acquisition plate can be divided into inlet wire analog acquisition plate according to user side inlet wire and outlet and analog acquisition plate occurs, it is provided that traditional CT/PT access interface, has 36 sampling channels altogether.Further, On-off signal plate includes that 30 way switch amount sense channels, every way switch amount sense channel are equipped with the display lamp having On-off signal for instruction.Further digital output module has 6 component closing relay outputs, and the divide-shut brake relay the most often organized shares a contact, and each actuating of relay all has corresponding display lamp.
Further, analog acquisition plate, On-off signal plate and digital output module are by being connected between bus with host CPU plate.Inner high speed bus, raising transfer rate, especially host CPU plate issue when quickly excising load control order, are quickly transferred to digital output module, and then quickly excision large user side charge circuit by quickly excising load control order.
Further, also include man-machine interface board, man-machine interface board is bi-directionally connected with the corresponding port of host CPU plate, and man-machine interface board includes 1 piece of 320 × 240 large-size screen monitors lattice lcd, 18 display lamps carrying out display, and alternately and 12 buttons (3 dedicated key) keyboard carries out input alternately.
Further, also including phonic warning unit, the input of phonic warning unit connects the corresponding output end of main control centre.When faulty, main control centre sends phonic warning instruction control phonic warning unit and carries out voice message, and phonic warning unit can use loudspeaker of the prior art, speaker.
Further, also including that the second communication unit, the second communication unit connect main control centre, the second communication unit uses RS485/RS232 serial port.Second communication unit is attached for other equipment in power system, and to carry out information mutual with main control centre.
Further, also including multiple status indicator lamp, the input of described status indicator lamp connects main control centre, for showing the duty of host CPU plate.As included running multiple display lamps instruction host CPU plate duty such as (R), fault (ER), alarm (AL).
Further, described host CPU plate is provided with dsp chip, the first fpga chip and the second fpga chip, and wherein main control centre uses dsp chip to realize；First communication unit uses the first fpga chip to realize, the first fpga chip built-in MAC(Media Access Controlled) soft core module, plug into physical chip PHY, it is achieved with the interface of outside network device；In the present embodiment, the first communication unit uses the first fpga chip to realize 100M fiber optic Ethernet.AD conversion unit uses the second fpga chip to realize data sampling control, and the second fpga chip is located at the left side of host CPU plate, and dsp chip is located at the right side of host CPU plate.Left and right sides strong and weak electricity is strictly separated, and improves capacity of resisting disturbance.
Further, single ARM chip that on described electricity transparent transmission electric plates, transparent transmission control centre uses peripheral hardware abundant realizes.
Further, uplink communication interface uses the ethernet communication mode supporting configuration route, realizing remote data transmission, downgoing communication uses the equipment interfaces such as RS485/RS232 serial port and in-site measurement table meter, it is achieved the long-range transparent transmission of communication packet and table meter serial port service management dual-use function.
In sum, for realizing fast cut back, the present embodiment terminal uses 100M fiber optic Ethernet network and master station transmission, guarantee that the Network Transmission Delays that cutting load instructs can control in 200ms, complete in 10ms in terminal to respond fast cut back instruction simultaneously, realize being converted to control instruction divide-shut brake relay signal in 30ms, the 150ms Real-Time Switch tripping operation quickly corresponding secondary charge circuit in excision user side, send control instruction from main website to complete in 1s to performing switch trip, it is achieved second level fast cut back controls.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, on the premise of without departing from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be regarded as protection scope of the present invention.
Claims (10)
1. a net load interaction terminal for large user's load be can quickly excise, electric plates and electricity transparent transmission electric plates controlled including Real-time Collection,
Described Real-time Collection controls electric plates and includes host CPU plate, multiple analog acquisition plate, one or more On-off signal plates and multiple digital output module, wherein the outfan of analog acquisition plate connects the respective input of host CPU plate, the outfan of On-off signal plate connects the respective input of host CPU plate, and the input of digital output module connects the corresponding output end of host CPU plate；
Analog acquisition plate, including multi-analog sense channel, analog quantity sense channel is for detecting the voltage of user side inlet wire and outlet or/and current-mode analog quantity signal is transferred to host CPU plate；
On-off signal plate, including multi-way switching values sense channel, switching value passage is transferred to host CPU plate for the switch position signal detecting user side；
Host CPU plate, including main control centre, AD conversion unit and the first communication unit, the analog signals received from analog quantity sense channel is converted to digital signal and exports to main control centre by described AD conversion unit, main control centre passes through the first communication unit and realizes the two-way communication with main website of I district, to send user side analog signals and switch position signal and the load control order of main website of reception I district transmission to main website of I district in real time；
Digital output module, including many group relaies output channel, relay output channel is converted to the output of divide-shut brake relay signal for the load control order receiving host CPU plate end and controls the charge circuit of user side；
Described electricity transparent transmission electric plates, including transparent transmission control centre, uplink communication unit and downgoing communication unit, transparent transmission control centre realizes the both-way communication with user's side meter by downgoing communication unit, in order to gather the information on load of user side；Transparent transmission control centre realizes the both-way communication with IV district user profile acquisition system by uplink communication unit, in order to the user collected side information on load is upwards passed through IV district user profile acquisition system.
A kind of net load interaction terminal that can quickly excise large user's load the most according to claim 1, is characterized in that, described Real-time Collection controls electric plates and electricity transparent transmission electric plates is independent pluggable electric plate.
A kind of net load interaction terminal that can quickly excise large user's load the most according to claim 2, it is characterized in that, analog acquisition plate includes 3, and the first analog acquisition plate is provided with 12 analog quantity sense channels, for gathering 4 full phase currents of branch road or 6 branch road biphase currents；Second analog acquisition plate is provided with 12 analog quantity sense channels, for gathering 2 full phase currents of branch road and 2 sections of full phase voltages of bus；3rd analog acquisition plate is provided with 12 analog quantity sense channels, for gathering 2 full phase currents of branch road and 2 sections of full phase voltages of bus；On-off signal plate includes that 30 way switch amount sense channels, every way switch amount sense channel are equipped with the display lamp having On-off signal for instruction.
A kind of net load interaction terminal that can quickly excise large user's load the most according to claim 2, is characterized in that, analog acquisition plate, On-off signal plate and digital output module are by being connected between bus with host CPU plate.
A kind of net load interaction terminal that can quickly excise large user's load the most according to claim 1, is characterized in that, also includes that man-machine interface board, man-machine interface board are bi-directionally connected with the corresponding port of host CPU plate, and man-machine interface board includes liquid crystal display and keyboard.
A kind of net load interaction terminal that can quickly excise large user's load the most according to claim 1, is characterized in that, also include phonic warning unit, and the input of phonic warning unit connects the corresponding output end of main control centre.
A kind of net load interaction terminal that can quickly excise large user's load the most according to claim 1, is characterized in that, also includes that the second communication unit, the second communication unit connect main control centre, and the second communication unit uses RS485/RS232 serial port.
A kind of net load interaction terminal that can quickly excise large user's load the most according to claim 1, is characterized in that, also include multiple status indicator lamp, and the input of described status indicator lamp connects main control centre, for showing the duty of host CPU plate.
A kind of net load interaction terminal that can quickly excise large user's load the most according to claim 1, is characterized in that, described host CPU plate is provided with dsp chip, the first fpga chip and the second fpga chip, and wherein main control centre uses dsp chip to realize；First communication unit uses the first fpga chip to realize, and AD conversion unit uses the second fpga chip to realize data sampling control, and the second fpga chip is located at the left side of host CPU plate, and dsp chip is located at the right side of host CPU plate.
A kind of net load interaction terminal that can quickly excise large user's load the most according to claim 1, it is characterized in that, first communication unit uses 100M fiber optic Ethernet communication modes, uplink communication unit uses ethernet communication mode, and downgoing communication unit uses RS485/RS232 serial port.
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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 CN106026110B (en) | 2019-10-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| CN113964844A (en) * | 2021-11-01 | 2022-01-21 | 江苏思极科技服务有限公司 | Load shedding control system based on 5G public network tunnel time window |
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| CN106026110B (en) | 2019-10-29 |
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