CN107919673A - Phase-change switch type three-phase load self-checking device - Google Patents
Phase-change switch type three-phase load self-checking device Download PDFInfo
- Publication number
- CN107919673A CN107919673A CN201711400281.XA CN201711400281A CN107919673A CN 107919673 A CN107919673 A CN 107919673A CN 201711400281 A CN201711400281 A CN 201711400281A CN 107919673 A CN107919673 A CN 107919673A
- Authority
- CN
- China
- Prior art keywords
- module
- phase
- phase load
- switch
- regulating system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001105 regulatory effect Effects 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 230000008054 signal transmission Effects 0.000 claims abstract description 9
- 238000004891 communication Methods 0.000 claims description 9
- 230000006855 networking Effects 0.000 claims description 8
- 230000001276 controlling effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 238000013459 approach Methods 0.000 abstract description 2
- 206010068052 Mosaicism Diseases 0.000 abstract 1
- 210000003765 sex chromosome Anatomy 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 15
- 238000009826 distribution Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001537 neural effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
-
- 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
- H02J3/26—Arrangements for eliminating or reducing asymmetry in polyphase networks
-
- 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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00007—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission
-
- H02J13/0075—
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/121—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using the power network as support for the transmission
-
- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention belongs to field of power, it is related to a kind of phase-change switch type three-phase load self-checking device, including switch case, the switch case is internally provided with control panel, and the three-phase load automatic regulating system for being connected and setting with triple line is provided with the control panel；The three-phase load automatic regulating system includes：Module, signal transmission module, indicating module occur for MCU, controllable switch group, detection module, power carrier；The power supply for providing electric energy to three-phase load automatic regulating system is additionally provided with inside the switch case.The present invention uses neuroid structure and fuzzy algorithmic approach, and the safe and reliable sex chromosome mosaicism for solving switch from system architecture, it substantially increases the reliability of switch.
Description
Technical field
The invention belongs to field of power, is related to a kind of phase-change switch type three-phase load self-checking device.
Background technology
With people live raising, people to the demand of electric appliance in sustainable growth, so as to cause power load persistently to increase
Add, but civilian electricity is the single-phase electricity of 220VAC；It is understood that the voltage from 10KV or higher is transformed into by isolating transformer
380VAC power three-phase electricities, and the civilian electricity of 220VAC is made of a power line and zero curve, this there is a natural frame
Structure defect, when the power of each power line is unequal, will cause transformer output uneven, so as to cause to increase
The electric energy loss of circuit, increases the electric energy loss of distribution transformer, and distribution transforming, which is contributed, to be reduced, and distribution transforming produces zero-sequence current, motor
Efficiency reduces, the serious safe operation that will influence electrical equipment.And the unbalanced problem of this power output be not it is fixed,
But there is change at random, this just brings great difficulty for his improvement.
Existing electric power switching switch：
1. existing electric power distribution switch, using principal and subordinate's distribution formula control model, when hostdown thus opened from control
Closing will all fail, while also controlling switch malfunction is possible, so as to cause the safety failure of power grid.
2. switching time is grown, present power switch switching time is both greater than 20ms, can cause the reset etc. of electrical equipment.
The content of the invention
The present invention is directed to the problem of above-mentioned, there is provided a kind of phase-change switch type three-phase load self-checking device
In order to achieve the above object, the technical solution adopted by the present invention is,
A kind of phase-change switch type three-phase load self-checking device, including switch case, the switch case inside are set
There is control panel, the three-phase load automatic regulating system for being connected and setting with triple line is provided with the control panel；The three-phase is born
Lotus automatic regulating system includes：
MCU, is mainly used for the intelligentized control method of whole regulating system, that is, is responsible for all information that processing is collected and sends control
System instruction；
Controllable switch group, is arranged in triple line, for controlling the break-make of triple line；
Detection module, mainly for detection of the electric current and voltage before and after controllable switch group；
Module occurs for power carrier, for finding the switch module in electric power networks；
Signal transmission module, is mainly used for transmission signal, realizes the normal work of the regulating system；
Indicating module, is mainly used for the working status and network state of instruction switch；
The power supply for providing electric energy to three-phase load automatic regulating system is additionally provided with inside the switch case.
Preferably, the three-phase load automatic regulating system is further included automatically adjusts system for remote control three-phase load
The mobile phone control module of system.
Preferably, the signal transmission module is at least one of GPRS module, WIFI module and bluetooth module.
Preferably, the top of the switch case is provided with the communication interface for being connected with signal transmission module.
Preferably, the front portion of the switch case is provided with terminal block, the terminal block include lead-out terminal interface and
Input terminal interface.
Preferably, realized between described two three-phase load automatic regulating systems by way of neuroid networking
Mutually control.
Compared with prior art, the advantages and positive effects of the present invention are,
1st, using neuroid structure and fuzzy algorithmic approach, the security reliability for solving switch from system architecture is asked
Topic, it substantially increases the reliability of switch；
2nd, the delay of the action switched using systematic features penalty method, so that switching time is greatly shortened, from
And ensure the Electrical Safety of user significantly and reduce the impact to power grid；
3rd, using active competition mechanism and active logout mechanism, it is ensured that the failure of module does not interfere with other module switch
Working, so that further lifting system safety.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are some embodiments of the present invention, for ability
For the those of ordinary skill of domain, without having to pay creative labor, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the dimensional structure diagram of switch case；
Fig. 2 is a kind of operation principle schematic diagram of phase-change switch type three-phase load self-checking device；
Fig. 3 is the principle schematic of neuroid networking；
Fig. 4 is the circuit diagram of power supply；
Fig. 5 is the circuit diagram of current sample；
Fig. 6 is the circuit diagram of voltage sample；
Fig. 7 is the circuit diagram of GPRS communication module；
Fig. 8 is the circuit diagram of WIFI module；
Fig. 9 is the circuit diagram of power line carrier module；
Figure 10 is the circuit diagram of bluetooth module；
Figure 11 is the circuit diagram of relay switch；
Figure 12 is the circuit diagram of MCU；
Figure 13 is the circuit diagram of indicating section；
More than in each figure, 1, switch case；2nd, terminal block；3rd, indicator light and button.
Embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawings and examples
The present invention will be further described.It should be noted that in the case where there is no conflict, in embodiments herein and embodiment
Feature can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
With using implementing different from other modes described here, therefore, the present invention is not limited to the specific of specification is described below
The limitation of embodiment.
Embodiment 1, as shown in Figure 1 and Figure 2, the present invention provides a kind of phase-change switch type three-phase load self-checking device,
Device fusion is simple, intelligent, efficient, which includes switch case, and the selection for the material of the housing is main
It is not provide specific requirement for exterior environment, inventor, control panel is provided with the inside of housing, can from Fig. 2
To find out, the inside of its switch case be provided with the corresponding screens cover of control panel, be provided with control panel and triple line
Connect the three-phase load automatic regulating system set；The specifically once concrete composition of its three-phase load automatic regulating system below
And the effect of each module.
Three-phase load automatic regulating system includes：
MCU, is mainly used for the intelligentized control method of whole regulating system, that is, is responsible for all information that processing is collected and sends control
System instruction；
Controllable switch group, is arranged in triple line, for controlling the break-make of triple line；
Detection module, mainly for detection of the electric current and voltage before and after controllable switch group；
Module occurs for power carrier, for finding the switch module in electric power networks；
Signal transmission module, is mainly used for transmission signal, realizes the normal work of the regulating system；
Indicating module, is mainly used for the working status and network state of instruction switch.
In addition, inventor is also additionally provided with inside switch case for being provided to three-phase load automatic regulating system
The power supply of electric energy, further includes including the mobile phone control module for remote control three-phase load automatic regulating system, here
The mobile phone control module said is mainly the APP parts of mobile phone terminal, you can to monitor the working condition of the system, signal transmission in real time
Module is then at least one of GPRS module, WIFI module and bluetooth module.
As can be seen from Figure 1 the top of its switch case is provided with connects for the communication being connected with signal transmission module
Mouthful, the front portion of switch case is provided with terminal block, and the terminal block includes lead-out terminal interface (N, L in figure) and input terminal
Interface (A, B, C in figure)；In addition, the top of switch case is also provided with indicator light corresponding with indicating module and phase
The button answered.
Mutual control is realized by way of neuroid networking between two three-phase load automatic regulating systems.
Operation principle and the effect of the present apparatus are noted below.
As shown in Fig. 2, the i.e. circuit block diagram of the present apparatus：
1. circuit has a KA, KB, KC relay switches, voltage and current uses module, power line carrier module, GPRS module,
Bluetooth module, WIFI module, indicating module, internal power supply, MCU etc. are formed.
2. after when switch accesses power grid, after the power is turned on, switch will be begun look in electric power networks by power line carrier module
Switch module, distributed automatically by competition mechanism each switch address.
3. after grid-connected success, the information of oneself can be transmitted to other modules, while each module by each module
The information of all switches including oneself will be obtained, and all switches including oneself are calculated according to these information
On off state, while these results calculated can be compared with what other modules calculated, if all result of calculations one
Cause, then perform consistent on off state as a result, so as to prevent uncertain caused module malfunction.
4.GPRS, bluetooth, WIFI, RS-232, Multi net voting connection mode, provides the selection of more connection modes to the user,
Backstage is transmitted to by special APP and mobile connection eventually, then by data, can just facilitate the working status for understanding each switch in time
With the operation state of power grid.
5. indication function module, is responsible for the working status and network state of instruction switch.
6. voltage, current detection module is responsible for detection input, output voltage, output current.
7.MCU is the central control unit of whole system, is responsible for all information that processing is collected and sends control instruction.
As shown in figure 3, the schematic diagram of neuroid networking：
1. this is a neuroid structure without principal and subordinate, each switch can with other modules in network into
Row communication.
It is only that faulty switch module exits network, without influencing 2. module in a network breaks down
The normal work of others switch, so as to ensure the safety of whole network.
3. using competition address mode networking, easy to large-scale industrial production.
As shown in figure 4, the circuit diagram of power supply：
By the way of the minimum Industrial Frequency Transformer of interference again voltage stabilizing, ensure the pure of whole circuit from power supply, so that
Ensure that whole system is reliable on charging source.Following circuit obtains isolation 15V voltages, then rectification filter by power frequency isolation transformer
Ripple, voltage stabilizing obtain the voltage of different voltages grade.
As shown in Figure 5, Figure 6,
Current sample：Pass through 2000:1 low-frequency current mutual inductor isolation samples out current signal, through over commutation and R4,
R54 produces the voltage signal of output current corresponding with electric current, this signal is transmitted to MCU；
Voltage sample：AC-LA, AC-LB, AC-LC, are LA respectively, LB, the isolation voltage signal of LC three-phases, AC-L is defeated
Go out the voltage signal of voltage.
Conceptual design-function declaration
Communicated with one another by modules, using neuronal fuzzy modular algorithm, accurately control KA in different switch modules,
KB, KC are switched, and make three-phase output power dynamic equilibrium, and the imbalance for having reached fundamentally solution three-phase power linear heat generation rate is asked
Topic.
Using lock mutually accurate control, it is ensured that switch it is absolute reliable and secure.
Using neuroid networking mode, no master-slave structure, avoided from structure cause in hostdown it is whole
The paralysis of a network；This structure can be according to networking situation automatic network-building in server or a module failure, and counts automatically
Calculate the balance for the electric power for coordinating to control whole power network.
With the defencive function design that overcurrent, short circuit, input overvoltage, input undervoltage protection etc. are perfect.
Conceptual design-function declaration
The design of more communication modes, and (power carrier, WIFI, bluetooth, GPRS, RS232) ensure the reliability of communication.
Internet of Things APP and Background control, convenient and efficient real time monitoring switch working state.
Intelligent control, automatic study, fast prediction network operation state, and control of making prediction in advance.
The above described is only a preferred embodiment of the present invention, being not the limitation for making other forms to the present invention, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
Effect embodiment is applied to other fields, but every without departing from technical solution of the present invention content, the technical spirit according to the present invention
Any simple modification, equivalent variations and the remodeling made to above example, still fall within the protection domain of technical solution of the present invention.
Claims (6)
1. a kind of phase-change switch type three-phase load self-checking device, including switch case, it is characterised in that the switch case
Control panel is internally provided with, the three-phase load automatic regulating system for being connected and setting with triple line is provided with the control panel；Institute
Stating three-phase load automatic regulating system includes：
MCU, is mainly used for the intelligentized control method of whole regulating system, that is, is responsible for handling all information collected and sending control referring to
Order；
Controllable switch group, is arranged in triple line, for controlling the break-make of triple line；
Detection module, mainly for detection of the electric current and voltage before and after controllable switch group；
Module occurs for power carrier, for inter-module communication and communication relaying action；
Signal transmission module, is mainly used for transmission signal, realizes the normal work of the regulating system；
Indicating module, is mainly used for the working status and network state of instruction switch；
The power supply for providing electric energy to three-phase load automatic regulating system is additionally provided with inside the switch case.
2. phase-change switch type three-phase load self-checking device according to claim 1, it is characterised in that further include and be used for
The mobile phone control module of remote control three-phase load automatic regulating system.
3. phase-change switch type three-phase load self-checking device according to claim 2, it is characterised in that the signal passes
Defeated module is at least one of GPRS module, WIFI module and bluetooth module.
4. phase-change switch type three-phase load self-checking device according to claim 3, it is characterised in that the switch housing
The top of body is provided with the communication interface for being connected with signal transmission module.
5. phase-change switch type three-phase load self-checking device according to claim 4, it is characterised in that the switch housing
The front portion of body is provided with terminal block, and the terminal block includes lead-out terminal interface and input terminal interface.
6. phase-change switch type three-phase load self-checking device according to claim 1, it is characterised in that described two three
Mutual control is realized between phase load automatic regulating system by way of neuroid networking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711400281.XA CN107919673A (en) | 2017-12-22 | 2017-12-22 | Phase-change switch type three-phase load self-checking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711400281.XA CN107919673A (en) | 2017-12-22 | 2017-12-22 | Phase-change switch type three-phase load self-checking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107919673A true CN107919673A (en) | 2018-04-17 |
Family
ID=61893846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711400281.XA Pending CN107919673A (en) | 2017-12-22 | 2017-12-22 | Phase-change switch type three-phase load self-checking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107919673A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105207237A (en) * | 2015-09-22 | 2015-12-30 | 国网电网公司 | Distribution network three-phase load unbalance adjusting control system |
| CN205211147U (en) * | 2015-12-14 | 2016-05-04 | 国网北京市电力公司 | System for electric power concentrator and transmission electric power data |
| CN105790290A (en) * | 2016-04-29 | 2016-07-20 | 广州开能电气实业有限公司 | Unbalance adjustment system for low-voltage station area distribution transformer secondary side |
| CN105958518A (en) * | 2016-06-28 | 2016-09-21 | 国网江苏省电力公司扬州供电公司 | Real-time balance device for low-voltage power distribution network line and working method thereof |
| CN106374511A (en) * | 2016-10-09 | 2017-02-01 | 国网江苏省电力公司扬州供电公司 | Three-phase load balance control policy based on user load real-time measurement, and intelligent switching system |
| CN107086591A (en) * | 2017-04-25 | 2017-08-22 | 武汉大学 | A kind of three-phase imbalance adjuster based on reactive-load compensation and intelligent commutation |
| CN207835070U (en) * | 2017-12-22 | 2018-09-07 | 山东邦世电气有限公司 | Phase-change switch type three-phase load self-checking device |
-
2017
- 2017-12-22 CN CN201711400281.XA patent/CN107919673A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105207237A (en) * | 2015-09-22 | 2015-12-30 | 国网电网公司 | Distribution network three-phase load unbalance adjusting control system |
| CN205211147U (en) * | 2015-12-14 | 2016-05-04 | 国网北京市电力公司 | System for electric power concentrator and transmission electric power data |
| CN105790290A (en) * | 2016-04-29 | 2016-07-20 | 广州开能电气实业有限公司 | Unbalance adjustment system for low-voltage station area distribution transformer secondary side |
| CN105958518A (en) * | 2016-06-28 | 2016-09-21 | 国网江苏省电力公司扬州供电公司 | Real-time balance device for low-voltage power distribution network line and working method thereof |
| CN106374511A (en) * | 2016-10-09 | 2017-02-01 | 国网江苏省电力公司扬州供电公司 | Three-phase load balance control policy based on user load real-time measurement, and intelligent switching system |
| CN107086591A (en) * | 2017-04-25 | 2017-08-22 | 武汉大学 | A kind of three-phase imbalance adjuster based on reactive-load compensation and intelligent commutation |
| CN207835070U (en) * | 2017-12-22 | 2018-09-07 | 山东邦世电气有限公司 | Phase-change switch type three-phase load self-checking device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103915836B (en) | A kind of use for laboratory smart micro-grid system based on multiple distributed power sources | |
| CN105743126A (en) | Microgrid energy management system capable of realizing load management | |
| CN106877311A (en) | A kind of direct current photovoltaic generating system | |
| CN103326366A (en) | Three-single-phase-three-wire-system parallel APF/SVG device | |
| CN206349764U (en) | The single-phase off-network automatic switching control equipment of photovoltaic three-phase grid | |
| CN103280826A (en) | Inverter grid connection security detection method and inverter grid connection circuit | |
| CN107357173A (en) | A kind of home appliance monitor system based on cloud control | |
| Han et al. | Central energy management method for photovoltaic DC micro‐grid system based on power tracking control | |
| CN206908304U (en) | A kind of intelligent micro-grid energy-storage system | |
| CN207835070U (en) | Phase-change switch type three-phase load self-checking device | |
| JP2022084512A (en) | Intelligent switch device and power generating system | |
| CN205724924U (en) | Electric load balance self-checking device | |
| CN104218606B (en) | Micro-grid central controller | |
| CN205622226U (en) | Contain single triphase many microgrids of series -parallel connection structured light storage type system | |
| CN106505946A (en) | A kind of photovoltaic generating system and its control method | |
| CN107919673A (en) | Phase-change switch type three-phase load self-checking device | |
| CN106786732B (en) | AC/DC micro-grid group operation control test system | |
| CN205724908U (en) | Flexible load self-control system based on mains frequency | |
| CN106384439B (en) | A kind of intelligent electric meter | |
| CN204131125U (en) | A kind of use for laboratory smart micro-grid system based on multiple distributed power source | |
| CN103915846B (en) | A kind of for the energy-conservation of base station and Intelligent power distribution device | |
| CN208100420U (en) | A kind of robot control system and robot | |
| CN207069342U (en) | A kind of micro-capacitance sensor multifunctional intellectual power distribution cabinet | |
| CN205921384U (en) | Composite power source with emergency power source and active power filter function | |
| CN207744071U (en) | A kind of household monitoring system based on cloud computing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180417 |
|
| WD01 | Invention patent application deemed withdrawn after publication |