CN104269923B - A kind of micro-energy-optimised management system and storage, distribution method - Google Patents
A kind of micro-energy-optimised management system and storage, distribution method Download PDFInfo
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- CN104269923B CN104269923B CN201410454610.9A CN201410454610A CN104269923B CN 104269923 B CN104269923 B CN 104269923B CN 201410454610 A CN201410454610 A CN 201410454610A CN 104269923 B CN104269923 B CN 104269923B
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- 238000009826 distribution Methods 0.000 title claims abstract description 45
- 238000003860 storage Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims description 23
- 238000004146 energy storage Methods 0.000 claims abstract description 95
- 238000004891 communication Methods 0.000 claims abstract description 43
- 238000005516 engineering process Methods 0.000 claims abstract description 7
- 238000009825 accumulation Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 2
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
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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
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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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
- 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
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of micro-energy-optimised management system to include: micro-energy source collecting unit, the input with DC/DC power pack, operation energy-storage module is connected respectively；DC/DC power pack, is connected with CPU, system energy-storage module, wireless communication module respectively；CPU, is connected with operation energy-storage module, system energy-storage module, wireless communication module respectively；Operation energy-storage module is also connected with panel switches mechanism divide-shut brake unit；System energy-storage units is connected with indicating fault unit, wireless communication module the most respectively；It makes full use of intelligent power distribution network technology, achieve the highly effective gathering to micro-energy and storage, optimize the distribution of energy, solve the power taking problem of controller under micro-energy situation, integrate energy-optimised management system, micro-energy storage algorithm, Energy distribution algorithm, realize whole distribution switchgear function and efficiency maximization, reliable and practical.
Description
Technical field
The present invention relates to the power taking technology of micro-energy and the storage of micro-energy and distribution technique, particularly relate to a kind of micro-EMS that can be widely applied to 10kV power distribution automation and storage, distribution method.
Background technology
Along with distribution network automated construction and development, the demand of controller switching equipment reliability and low-power consumption is the most obvious, thus expedite the emergence of power distribution automation product based on the new-type energy or micro-energy, as sensed power taking with current transformer, photovoltaic generations etc. are power supply, automated production with super capacitor as energy-storage travelling wave tube, for this series products compares the power taking of conventional power source PT because of power taking power supply, low cost, application prospect is preferable, but because its power is little and product energy management mode is rough, do not formulate product Low Power Strategy from automated system aspect, without complete and practical energy storage and distribution method, constrain the application of this type automated production to a certain extent.The power-supply system of tradition micro battery product is primarily present following 3 problems:
1) storage of its energy uses power resistor series system current limliting, and while preventing load shock from affecting system power source voltage, energy expenditure is serious.
2) function singleness, it is impossible to have instruction function, communication function and divide-shut brake function concurrently, uses the automated production of micro-energy power taking to position low side in distribution network automated product line mostly.
3) energy management mode is rough, does not formulate Low Power Strategy from automated system aspect, it is impossible to set up energy storage and the distribution method of complete set and practicality.
Drawbacks described above by advocate at present low in energy consumption, function is complete, efficiency is high, highly reliable propose challenge.Therefore, it is achieved the optimum management of micro-energy, efficient storage and rational distribution will be the following key technology being badly in need of solving and development trend.
Summary of the invention
For the problems referred to above, the invention provides the micro-energy-optimised management system being applicable to intelligent power distribution equipment, it makes full use of intelligent power distribution network technology, achieve the highly effective gathering to micro-energy and storage, optimize the distribution of energy, solve the power taking of controller under micro-energy situation and energy consumption height, function singleness, problem that reliability is low.
The present invention solves that its technical problem be the technical scheme is that
A kind of micro-energy-optimised management system, it is characterized in that including: micro-energy source collecting unit, DC/DC power pack, CPU, operation energy-storage module, system energy-storage module, wireless communication module, panel switches mechanism divide-shut brake unit and indicating fault unit, described micro-energy source collecting unit input with DC/DC power pack, operation energy-storage module respectively is connected, for from panel switches power taking equipment power-extracting, providing energy stock for system；
The outfan of described DC/DC power pack is connected with CPU, system energy-storage module, the input of wireless communication module respectively, is used for changing voltage, provides power supply for subordinate's each unit；Described CPU is connected with operation energy-storage module, system energy-storage module, wireless communication module respectively, it it is the data processing centre of system, for acquisition system information, control operation energy-storage module, system energy-storage module, panel switches mechanism divide-shut brake unit, indicating fault unit and the operation of wireless communication module；
Described operation energy-storage module is also connected with panel switches mechanism divide-shut brake unit, provides operation energy for panel switches mechanism divide-shut brake unit；
Described system energy-storage units is connected with indicating fault unit, wireless communication module the most respectively, for gathering the micro-energy of storage, the system that realizes is after micro-energy source disappears, the offer of standby working power, ensure that whole system is properly functioning after distribution line power down, and provide energy for indicating fault unit and wireless communication unit；
Described panel switches mechanism divide-shut brake unit, for ensureing the divide-shut brake that body switchs, it is achieved load side distribution line stops power supply；
So indicating fault unit, for indicate distribution line working conditions change situation；
Described wireless communication module, carries out information for cpu system and main website or monitor supervision platform mutual.
It is to improve further as such scheme, described operation energy-storage module includes operation energy-storage units and the first, the 4th control unit being connected respectively with CPU, the input of described operation energy-storage units is connected with the outfan of micro-energy source collecting unit by the first control unit, and the outfan of described operation energy-storage units passes through the 4th control unit and is connected with panel switches mechanism divide-shut brake unit.
It is to improve further as such scheme, described system energy-storage module includes system energy-storage units, the second, the 5th control unit being connected respectively with CPU, the input of described system energy-storage units is connected with the outfan of DC/DC power pack by the second control unit, and the outfan of described system energy-storage units is connected with indicating fault unit by the 5th control unit.
It is to improve further as such scheme, described wireless communication module includes radio communication unit and the three, the 6th control units being connected respectively with CPU, the first input end of described radio communication unit is connected with the outfan of DC/DC power pack by the 3rd control unit, and the second input is connected with system energy-storage units by the 6th control unit.
A kind of micro-energy storage method, it is characterised in that comprise the following steps:
1) micro-energy source collecting unit gathers micro-energy source from panel switches power taking equipment；
2) the micro-energy source energy collected by DC/DC power pack be converted into system can voltage source, supply CPU；
3) CPU controls to open the first control unit, makes operation energy-storage units enter charge mode；
4) operation energy-storage units is charged and detects the state value Ua of operation tank voltage at any time；
5) the operation tank voltage threshold value that will set in CPUU0 compares with voltage status value Ua detected；
6) if Ua is ＜ U0, then return step 5 and continue charging, and use constant voltage mode to be charged；If Ua is ＞ U0, then closing the first control unit, operation energy-storage module stops charging, opens the second control unit, and the system energy-storage module of making enters charge mode；
7) system energy-storage units is charged and the state value Ub of detecting system tank voltage at any time；
8) the operation tank voltage threshold value that will set in CPUU1 compares with voltage status value Ub detected；
9) if Ub is ＜ U1, then return step 7 and continue charging, and use constant voltage mode to be charged；If Ub is ＞ U1, then using trickle clearance-type charging modes to be charged, and use PWM to control technical opening the 3rd control unit, make radio communication unit open-minded, it is mutual that CPU carries out information by wireless communication unit and main website or monitor supervision platform.
A kind of micro-energy distributing method, comprises the following steps:
1) when switchgear detects that 10kV distribution line breaks down and micro-energy source disappears, system energy-storage module switches to discharge mode, powers for cpu system；
2) CPU control operation energy-storage module switches to discharge mode, for the divide-shut brake cell protection action energy supply of panel switches mechanism, opens fault indication function simultaneously；
3) CPU controls wireless communication module unlatching, and uploads line fault by radio communication unit to main website or monitor supervision platform；
4) if detecting, distribution line failure releases and micro-energy source recovers, then cpu system enters micro-energy storage algorithmic model；
5) if distribution line failure does not releases, system accumulation power supply is down to the voltage threshold setDuring U2, cpu system enters shutdown mode.
The invention has the beneficial effects as follows: micro-energy-optimised management system, storage and the distribution method of the present invention, it makes full use of intelligent power distribution network technology, construct energy-optimised management system, achieve the highly effective gathering to micro-energy and storage, optimize the distribution of energy, solve the power taking problem of controller under micro-energy situation, the method is made to integrate energy-optimised management system, micro-energy storage algorithm, Energy distribution algorithm, realize whole distribution switchgear function and efficiency maximization, reliable and practical, it is mainly reflected in following 3 aspects:
1, the integrated design that controller is low in energy consumption and function is complete is achieved, energy is provided for controller work and energy storage with micro-energy that distribution line provides, it is simultaneously introduced micro-energy storage algorithm and Energy distribution algorithm, preferential guarantee controller cpu system work and panel switches divide-shut brake, have fault indication function, can the most intuitively show that distribution line operating condition changes, have concurrently and can carry out radio communication function with main website or monitor supervision platform；
2, establish energy-optimised management system and the energy management architecture of energy maximization utilization, utilize this reliable efficient method, overcome automation function and the opposed contradiction of power consumption；
3, reduce the cost of product, possess and can promote condition.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in describing embodiment below, the required accompanying drawing used is briefly described.Obviously, described accompanying drawing is a part of embodiment of the present invention rather than whole embodiment, and those skilled in the art is not on the premise of paying creative work, it is also possible to other designs obtained according to these accompanying drawings and accompanying drawing:
Fig. 1 is the micro-energy-optimised management system schematic of present pre-ferred embodiments；
Fig. 2 is micro-energy storage method flow diagram of present pre-ferred embodiments；
Fig. 3 is micro-energy distributing method flow chart of present pre-ferred embodiments.
Detailed description of the invention
Below with reference to embodiment and accompanying drawing, the technique effect of design, concrete structure and the generation of the present invention is clearly and completely described, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiment, based on the present inventionEmbodiment, other embodiments that those skilled in the art is obtained on the premise of not paying creative work, belong to the scope of protection of the invention.
With reference to Fig. 1, a kind of micro-energy-optimised management system being applicable to intelligent power distribution equipment of the present embodiment, including: micro-energy source collecting unit 100, DC/DC power pack 101, CPU102, operation energy-storage module, system energy-storage module, wireless communication module, panel switches mechanism divide-shut brake unit 105 and indicating fault unit 106；
Described operation energy-storage module provides operation energy for panel switches mechanism divide-shut brake unit, it includes operation energy-storage units 104 and the first, the 4th control unit 201,204 being connected respectively with CPU102, the input of described operation energy-storage units 104 is connected with the outfan of micro-energy source collecting unit 100 by the first control unit 201, and the outfan of described operation energy-storage units 104 passes through the 4th control unit 204 and is connected with panel switches mechanism divide-shut brake unit 105；
Described system energy-storage module is used for gathering the micro-energy of storage, the system that realizes is after micro-energy source disappears, the offer of standby working power, ensure that whole system is properly functioning after distribution line power down, and provide energy for indicating fault unit and wireless communication unit, it includes the system energy-storage units 103 being connected respectively with CPU102, second, 5th controls single 202, 205, the input of described system energy-storage units 103 is connected with the outfan of DC/DC power pack 101 by the second control unit 202, the outfan of described system energy-storage units 103 is connected with indicating fault unit 106 by the 5th control unit 205；
It is mutual that described wireless communication module carries out information for cpu system and main website or monitor supervision platform, it includes radio communication unit 107 and the three, the 6th control units 203,206 being connected respectively with CPU102, the first input end of described radio communication unit 107 is connected with the outfan of DC/DC power pack 101 by the 3rd control unit 203, and the second input is connected with system energy-storage units 103 by the 6th control unit 206；
Described micro-energy source collecting unit 100 is used for, from panel switches power taking equipment power-extracting, providing energy stock for system, being also connected with DC/DC power pack,；
Described DC/DC power pack 101 is used for changing voltage, provides power supply for subordinate's each unit, and it is also connected with CPU；
Described CPU102 is the data processing centre of system, for acquisition system information, controls operation energy-storage module, system energy-storage module, panel switches mechanism divide-shut brake unit, indicating fault unit and the operation of wireless communication module；
Described panel switches mechanism divide-shut brake unit 105 is for ensureing the divide-shut brake that body switchs, it is achieved load side distribution line stops power supply；
So indicating fault unit 106 is for indicate distribution line working conditions change situation.
With reference to Fig. 2, one micro-energy storage method of the present embodiment, comprise the following steps:
1) micro-energy source collecting unit gathers micro-energy source from panel switches power taking equipment；
2) the micro-energy source energy collected by DC/DC power pack be converted into system can voltage source, supply CPU；
3) CPU control operation energy-storage module opens charge mode；
4) operation energy-storage module is charged and detects the state value Ua of operation tank voltage at any time；
5) the operation tank voltage threshold value that will set in CPUU0 compares with voltage status value Ua detected；
6) if Ua is ＜ U0, then return step 5 and continue charging；If Ua is ＞ U0, then operation energy-storage module stops charging, and system energy-storage module opens charge mode；
7) system energy-storage module is charged and the state value Ub of detecting system tank voltage at any time；
8) the operation tank voltage threshold value that will set in CPUU1 compares with voltage status value Ub detected；
9) if Ub is ＜ U1, then return step 7 and continue charging；If Ub is ＞ U1, then open wireless communication module, make CPU carry out information by wireless communication module and main website or monitor supervision platform mutual.
With reference to Fig. 3, the micro-energy distributing method of one of the present embodiment, comprise the following steps:
1) when switchgear detects 10kV distribution line generation earth fault or short trouble and micro-energy source disappears, system energy-storage units switches to discharge mode, powers for cpu system, simultaneously closes off first, second and third control unit；
2) CPU controls to open the 4th control unit; make operation energy-storage units switch to discharge mode, for the divide-shut brake cell protection action energy supply of panel switches mechanism, open the 5th control unit simultaneously; the system energy-storage units of making is indicating fault Elementary Function, it is ensured that fault indication function normal operation；
3) CPU controls to open the 6th control unit, makes radio communication unit open, and cpu system uploads line fault by radio communication unit to main website or monitor supervision platform；
4) when operation energy-storage units, energy is provided to panel switches mechanism divide-shut brake system, and after high-voltage switch gear action message, turn off the 4th control unit；
5) when cpu system by wireless communication unit after main website or monitor supervision platform successfully upload line fault information, turn off the 6th control unit；
6) if detecting, distribution line failure releases and micro-energy source recovers, then cpu system enters micro-energy storage algorithmic model；
7) if distribution line failure does not releases, system accumulation power supply is down to the voltage threshold setDuring U2, cpu system enters shutdown mode.
Wherein, the order of step 3 and step 4 can be exchanged.
Micro-energy in the present invention, refers to provide the energy of power ＜ 10 watts into 10kV intelligent power distribution equipment, and the energy for intelligent power distribution equipment stores and the energy source used.
Embodiments of the present invention are also not restricted to the described embodiments, as long as it reaches the technique effect of the present invention with essentially identical means, all should belong to protection scope of the present invention.
Claims (10)
1. a micro-energy-optimised management system, it is characterised in that: include that micro-energy source is adopted
Collection unit, DC/DC power pack, CPU, operation energy-storage module, system energy storage
Module, wireless communication module, panel switches mechanism divide-shut brake unit and indicating fault unit；Institute
State micro-energy source collecting unit respectively with DC/DC power pack, operation energy-storage module
Input be connected, for carrying out power taking from power taking equipment, and then provide energy stock for system；
The outfan of described DC/DC power pack respectively with CPU, system energy-storage module, nothing
The input of line communication module is connected, for providing power supply for bottom-ranked unit；Described CPU
It is connected with operation energy-storage module, system energy-storage module, wireless communication module respectively, is used for
Acquisition system information, to operation energy-storage module, system energy-storage module, panel switches mechanism
Divide-shut brake unit, indicating fault unit and wireless communication module are controlled；Described operation is stored up
Can module also be connected, for panel switches mechanism divide-shut brake with panel switches mechanism divide-shut brake unit
Unit provides operation energy；Described system energy-storage module the most respectively with indicating fault unit,
Wireless communication module is connected, and including system energy-storage units, control unit, is used for gathering storage
Micro-energy, it is achieved system micro-energy source disappear after, the offer of standby working power, ensure whole
Individual system is properly functioning after distribution line power down, and is indicating fault unit and radio communication list
Unit provides energy.
The micro-energy-optimised management system of one the most according to claim 1, its feature
It is that described operation energy-storage module includes operation energy-storage units and is connected with CPU respectively
The first, the 4th control unit, the input of described operation energy-storage units is single by the first control
The outfan of first and micro-energy source collecting unit is connected, described operation energy-storage units defeated
Go out end to be connected with panel switches mechanism divide-shut brake unit by the 4th control unit.
The micro-energy-optimised management system of one the most according to claim 1, its feature
Be system energy-storage units that described system energy-storage module includes being connected with CPU respectively,
The second, the 5th control unit, the input of described system energy-storage units is single by the second control
Unit is connected with the outfan of DC/DC power pack, described system energy-storage units defeated
Go out end to be connected with indicating fault unit by the 5th control unit.
The micro-energy-optimised management system of one the most according to claim 1, its feature
It is that described wireless communication module includes radio communication unit and be connected respectively with CPU
Three, the 6th control unit, the first input end of described radio communication unit is single by the 3rd control
Unit is connected with the outfan of DC/DC power pack, and the second input is by the 6th control
Unit is connected with system energy-storage units.
5. a micro-energy based on energy-optimised management system micro-described in claim 1 is deposited
Method for storing, it is characterised in that comprise the following steps:
1) micro-energy source collecting unit gathers micro-energy source from panel switches power taking equipment；
2) the micro-energy source energy collected is converted into system by DC/DC power pack
Available voltage source, supplies CPU；
3) operation energy-storage module opens charge mode；
4) operation energy-storage module is charged and detects the state value of operation tank voltage at any time
Ua；
5) by operation tank voltage threshold value U0 set in CPU and the voltage status detected
Value Ua compares；
6) if Ua is ＜ U0, then return step 5 and continue charging；If Ua is ＞ U0, then operate use
Energy-storage module stops charging, and system energy-storage module opens charge mode；
7) system energy-storage module is charged and the state value of detecting system tank voltage at any time
Ub；
8) by operation tank voltage threshold value U1 set in CPU and the voltage status detected
Value Ub compares；
9) if Ub is ＜ U1, then return step 7 and continue charging；If Ub is ＞ U1, then open nothing
Line communication module, makes CPU carry out information by wireless communication module with main website or monitor supervision platform
Alternately.
Micro-energy the most according to claim 5 storage method, it is characterised in that work as detection
During voltage status value Ua ＜ operation tank voltage threshold value U0 arrived, operation energy-storage module is adopted
Charge with constant voltage mode.
7. store method according to the micro-energy described in claim 5 or 6, it is characterised in that
When voltage status value Ub ＜ operation tank voltage threshold value U1 detected, system is stored up
Module can use constant voltage mode charging.
Micro-energy the most according to claim 7 storage method, it is characterised in that work as detection
During voltage status value Ub ＞ operation tank voltage threshold value U1 arrived, system energy-storage module is adopted
With trickle clearance-type charging modes.
Micro-energy the most according to claim 5 storage method, it is characterised in that channel radio
The open and close of news module use PWM to control technology and realize.
10. a micro-energy based on energy-optimised management system micro-described in claim 1 divides
Method of completing the square, it is characterised in that comprise the following steps:
1) when switchgear detects that 10kV distribution line breaks down and micro-energy source disappears,
System energy-storage module switches to discharge mode, powers for cpu system；
2) CPU control operation energy-storage module switches to discharge mode, for panel switches mechanism deciliter
Lock cell protection action energy supply, opens fault indication function simultaneously；
3) CPU controls wireless communication module unlatching, and by radio communication unit to main website or monitoring
Line fault uploaded by platform；
4) if detecting, distribution line failure releases and micro-energy source recovers, then CPU enters micro-energy
Storage algorithmic model；
5) if distribution line failure does not releases, when system accumulation power supply is down to the voltage U2 set,
Cpu system shuts down.
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| US20190239163A1 (en) * | 2016-12-20 | 2019-08-01 | Shenzhen Cooperation Technology Co., Ltd. | Low-power-consumption communication method and device based on micro-energy collection network |
| CN111555428B (en) * | 2020-06-05 | 2023-03-03 | 电子科技大学 | Charging and discharging and energy management circuit for micro-energy acquisition system |
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| CN201590680U (en) * | 2009-10-22 | 2010-09-22 | 邯郸供电公司 | Back up power supply for feeder terminal unit FTU |
| CN201994719U (en) * | 2010-12-14 | 2011-09-28 | 国电南瑞科技股份有限公司 | Intelligent power distribution terminal utilizing mixed stored energy |
| CN202435131U (en) * | 2011-12-06 | 2012-09-12 | 广州市智昊电气技术有限公司 | Power distribution automation terminal |
| CN202363978U (en) * | 2011-12-08 | 2012-08-01 | 北京四方华能电气设备有限公司 | Intelligent control terminal of self-powered low-power-consumption high-pressure vacuum circuit breaker |
| CN102854824A (en) * | 2012-09-07 | 2013-01-02 | 温州聚诚电力科技有限公司 | Intelligent controller |
| CN102904464B (en) * | 2012-09-25 | 2015-04-29 | 珠海许继电气有限公司 | Distribution network terminal passive power-obtaining system |
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