CN104269923A - Micro-energy optimization management system applicable to intelligent power distribution equipment, micro-energy storage method and micro-energy distribution method - Google Patents
Micro-energy optimization management system applicable to intelligent power distribution equipment, micro-energy storage method and micro-energy distribution method Download PDFInfo
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- CN104269923A CN104269923A CN201410454610.9A CN201410454610A CN104269923A CN 104269923 A CN104269923 A CN 104269923A CN 201410454610 A CN201410454610 A CN 201410454610A CN 104269923 A CN104269923 A CN 104269923A
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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 micro-energy optimization management system applicable to intelligent power distribution equipment. The system comprises a micro-energy source collection unit, a DC/DC system power unit and a CPU, wherein the micro-energy source collection unit is connected with the input end of the DC/DC system power unit and the input end of an operation energy storage module; the DC/DC system power unit is connected with the CPU, a system energy storage module and a wireless communication module; the CPU is connected with the operation energy storage module, the system energy storage module and the wireless communication module; the operation energy storage module is further connected with a power distribution switching mechanism gate opening and closing unit; the system energy storage unit is further connected with a failure indication unit and the wireless communication module. The intelligent distribution network technology is fully utilized, so that efficient collection and storage of micro-energy are achieved, energy distribution is optimized, and the problem existing in electricity taking of a controller under the condition of micro-energy is solved. Integrating the micro-energy optimization management system, the micro-energy storage algorithm and the energy distribution algorithm, the whole power distribution switching equipment maximizes functions and energy efficiency and is 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 be widely used in 10kV power distribution automation micro-EMS 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 more obvious, expedite the emergence of the power distribution automation product based on the new-type energy or micro-energy thus, as responded to power taking with current transformer, photovoltaic generations etc. are power supply, take super capacitor as the automated production of energy-storage travelling wave tube, this series products compares conventional power source PT power taking because of power taking power supply, cost is low, application prospect is better, 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 the stored energy of practicality and distribution method, constrain the application of this type automated production to a certain extent.Mainly there are following 3 problems in the power-supply system of tradition micro battery product:
1) its stored energy adopts power resistor series system current limliting, and while preventing load shock influential system supply voltage, energy ezpenditure is serious.
2) function singleness, cannot have deixis, communication function and divide-shut brake function concurrently, mostly adopts the automated production of micro-energy power taking to locate low side in distribution network automated product line.
3) energy management mode is rough, does not formulate Low Power Strategy from automated system aspect, cannot set up complete set and the stored energy of practicality and distribution method.
Above-mentioned defect by advocate at present low in energy consumption, function is complete, efficiency is high, reliability proposes challenge by force.Therefore, realizing the optimum management of micro-energy, efficient storage and reasonably distribute will be following key technology and the development trend of being badly in need of solution.
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 is high, function singleness, reliability are low problem.
The technical scheme that the present invention adopts for its technical problem of solution is:
A kind of micro-energy-optimised management system being applicable to intelligent power distribution equipment, it is characterized in that comprising: 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 faulty indication unit
Described micro-energy source collecting unit is connected with the input of DC/DC power pack, operation energy-storage module respectively, for from panel switches power taking equipment power-extracting, for system provides energy stock;
Micro-with CPU, system energy-storage module, the wireless communication module respectively input of the output of described DC/DC power pack is connected, for changing voltage, for each unit of subordinate provides power supply;
Described CPU is connected with operation energy-storage module, system energy-storage module, wireless communication module respectively, it is the data processing centre of system, for acquisition system information, the operation of control operation energy-storage module, system energy-storage module, panel switches mechanism divide-shut brake unit, faulty indication unit and wireless communication module;
Described operation energy-storage module is also connected, for panel switches mechanism divide-shut brake unit provides operation energy with panel switches mechanism divide-shut brake unit;
Described system energy-storage units is also connected with faulty indication unit, wireless communication module respectively, micro-energy is stored for gathering, the system that realizes is after micro-energy source disappears, thering is provided of standby working power, ensure that whole system is normally run after distribution line power down, and provide energy for faulty indication unit and wireless communication unit;
Described panel switches mechanism divide-shut brake unit, for ensureing the divide-shut brake of body switch, realizing load side distribution line and stopping power supply;
So faulty indication unit, for indicate distribution line working conditions change situation;
Described wireless communication module, carries out information interaction for cpu system and main website or monitor supervision platform.
Further improvement as such scheme, the first, the 4th control unit that described operation energy-storage module comprises operation energy-storage units and is connected with CPU respectively, the input of described operation energy-storage units is connected by the output of the first control unit with micro-energy source collecting unit, and the output of described operation energy-storage units is connected with panel switches mechanism divide-shut brake unit by the 4th control unit.
Further improvement as such scheme, described system energy-storage module comprise be connected with CPU respectively system energy-storage units, second, the 5th control unit, the input of described system energy-storage units is connected by the output of the second control unit with DC/DC power pack, and the output of described system energy-storage units is connected with faulty indication unit by the 5th control unit.
Further improvement as such scheme, the the 3rd, the 6th control unit that described wireless communication module comprises radio communication unit and is connected with CPU respectively, the first input end of described radio communication unit is connected with the output 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-stored energy method, is characterized in that comprising 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 convert to system can voltage source, supply CPU;
3) CPU controls unlatching first control unit, makes operation energy-storage units enter charge mode;
4) operation energy-storage units carries out charging and the state value Ua of the tank voltage of detection operation at any time;
5) the operation tank voltage threshold values U0 set in CPU and the voltage status value Ua detected are compared;
6) if Ua < is U0, then return step 5 and continue charging, and adopt constant voltage mode to charge; If Ua > is U0, then close the first control unit, operation energy-storage module stops charging, and open the second control unit, the system energy-storage module of making enters charge mode;
7) system energy-storage units carries out charging and the state value Ub of detection system tank voltage at any time;
8) the operation tank voltage threshold values U1 set in CPU and the voltage status value Ub detected are compared;
9) if Ub < is U1, then return step 7 and continue charging, and adopt constant voltage mode to charge; If Ub > is U1, trickle clearance-type charging modes is then adopted to charge, and adopt PWM control technology to open the 3rd control unit, make radio communication unit open-minded, CPU carries out information interaction 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 detect 10kV distribution line break down and micro-energy source disappear time, system energy-storage module switches to discharge mode, for cpu system is powered;
2) CPU control operation energy-storage module switches to discharge mode, is 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 detect, distribution line failure is removed and micro-energy source recovers, then cpu system enters micro-stored energy algorithm pattern;
5) if distribution line failure is not removed, when system accumulation power supply is down to the threshold voltage U2 of setting, cpu system enters shutdown mode.
The invention has the beneficial effects as follows: micro-energy-optimised management system of the present invention, storage and distribution method, 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, make the method energy collecting Optimal Management System, micro-stored energy algorithm, Energy distribution algorithm in one, 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, the micro-energy provided with distribution line provides energy for controller work and energy storage, introduce micro-stored energy algorithm and Energy distribution algorithm simultaneously, preferential guarantee controller CPU system works and panel switches divide-shut brake, have fault indication function, intuitively can show the change of distribution line operating condition in real time, have concurrently and can carry out radio communication function with main website or monitor supervision platform;
2, establish the energy management architecture of energy-optimised management system and energy maximization utilization, utilize this reliable method efficiently, overcome automation function and the opposed contradiction of power consumption;
3, reduce the cost of product, possess and can promote condition.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described.Obviously, described accompanying drawing is a part of embodiment of the present invention, instead of whole embodiments, those skilled in the art under the prerequisite not paying creative work, other designs that can also obtain according to these accompanying drawings and accompanying drawing:
Fig. 1 is the micro-energy-optimised management system schematic diagram of present pre-ferred embodiments;
Fig. 2 is micro-stored energy method flow diagram of present pre-ferred embodiments;
Fig. 3 is micro-energy distributing method flow chart of present pre-ferred embodiments.
Embodiment
Be clearly and completely described below with reference to embodiment and the accompanying drawing technique effect to design of the present invention, concrete structure and generation, to understand object of the present invention, characteristic sum effect fully.Obviously; described embodiment is a part of embodiment of the present invention, instead of whole embodiment, based on embodiments of the invention; other embodiments that those skilled in the art obtains under the prerequisite not paying creative work, all 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 in the present embodiment, comprising: 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 faulty indication unit 106;
Described operation energy-storage module provides operation energy for panel switches mechanism divide-shut brake unit, it the first, the 4th control unit 201,204 comprising operation energy-storage units 104 and be connected with CPU102 respectively, the input of described operation energy-storage units 104 is connected by the output of the first control unit 201 with micro-energy source collecting unit 100, and the output of described operation energy-storage units 104 is connected with panel switches mechanism divide-shut brake unit 105 by the 4th control unit 204;
Described system energy-storage module stores micro-energy for gathering, the system that realizes is after micro-energy source disappears, thering is provided of standby working power, ensure that whole system is normally run after distribution line power down, and provide energy for faulty indication unit and wireless communication unit, it comprises the system energy-storage units 103 be connected with CPU102 respectively, second, 5th controls single 202, 205, the input of described system energy-storage units 103 is connected with the output of DC/DC power pack 101 by the second control unit 202, the output of described system energy-storage units 103 is connected with faulty indication unit 106 by the 5th control unit 205,
Described wireless communication module is used for cpu system and main website or monitor supervision platform and carries out information interaction, it the 3rd, the 6th control unit 203,206 comprising radio communication unit 107 and be connected with CPU102 respectively, the first input end of described radio communication unit 107 is connected with the output 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, for from panel switches power taking equipment power-extracting, for system provides energy stock, is also connected with DC/DC power pack;
Described DC/DC power pack 101 is for changing voltage, and for each unit of subordinate provides power supply, it is also connected with CPU;
Described CPU102 is the data processing centre of system, for acquisition system information, and the operation of control operation energy-storage module, system energy-storage module, panel switches mechanism divide-shut brake unit, faulty indication unit and wireless communication module;
Described panel switches mechanism divide-shut brake unit 105, for ensureing the divide-shut brake of body switch, realizes load side distribution line and stops power supply;
So faulty indication unit 106 is for indicate distribution line working conditions change situation.
With reference to Fig. 2, the micro-stored energy method of one of the present embodiment, comprises 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 convert to system can voltage source, supply CPU;
3) CPU control operation energy-storage module opens charge mode;
4) operation energy-storage module carries out charging and the state value Ua of the tank voltage of detection operation at any time;
5) the operation tank voltage threshold values U0 set in CPU and the voltage status value Ua detected are compared;
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 carries out charging and the state value Ub of detection system tank voltage at any time;
8) the operation tank voltage threshold values U1 set in CPU and the voltage status value Ub detected are compared;
9) if Ub < is U1, then return step 7 and continue charging; If Ub > is U1, then open wireless communication module, makes CPU carry out information interaction by wireless communication module and main website or monitor supervision platform.
With reference to Fig. 3, the micro-energy distributing method of one of the present embodiment, comprises 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, for cpu system is powered, closes first, second and third control unit simultaneously;
2) CPU controls unlatching the 4th control unit, making operation energy-storage units switch to discharge mode, is the divide-shut brake cell protection action energy supply of panel switches mechanism, opens the 5th control unit simultaneously, the system energy-storage units of making is faulty indication Elementary Function, guarantees fault indication function normal operation;
3) CPU controls unlatching the 6th control unit, and radio communication unit is opened, and cpu system uploads line fault by radio communication unit to main website or monitor supervision platform;
4) when energy is provided to panel switches mechanism divide-shut brake system by operation energy-storage units, and after high-voltage switch gear action message, the 4th control unit is turned off;
5) after cpu system successfully uploads line fault information by wireless communication unit to main website or monitor supervision platform, the 6th control unit is turned off;
6) if detect, distribution line failure is removed and micro-energy source recovers, then cpu system enters micro-stored energy algorithm pattern;
7) if distribution line failure is not removed, when system accumulation power supply is down to the threshold voltage U2 of setting, 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 as 10kV intelligent power distribution equipment provides the power < energy of 10 watts, for the stored energy of intelligent power distribution equipment and the energy source of use.
Embodiments of the present invention are not restricted to the described embodiments, as long as it reaches technique effect of the present invention with substantially identical means, all should belong to protection scope of the present invention.
Claims (10)
1. be applicable to a micro-energy-optimised management system for intelligent power distribution equipment, it is characterized in that: comprise 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 faulty indication unit; Described micro-energy source collecting unit is connected with the input of DC/DC power pack, operation energy-storage module respectively; Micro-with CPU, system energy-storage module, the wireless communication module respectively input of the output of described DC/DC power pack is connected; Described CPU is connected with operation energy-storage module, system energy-storage module, wireless communication module respectively; Described operation energy-storage module is also connected with panel switches mechanism divide-shut brake unit; Described system energy-storage units is also connected with faulty indication unit, wireless communication module respectively.
2. a kind of micro-energy-optimised management system being applicable to intelligent power distribution equipment according to claim 1, it is characterized in that the first, the 4th control unit that described operation energy-storage module comprises operation energy-storage units and is connected with CPU respectively, the input of described operation energy-storage units is connected by the output of the first control unit with micro-energy source collecting unit, and the output of described operation energy-storage units is connected with panel switches mechanism divide-shut brake unit by the 4th control unit.
3. a kind of micro-energy-optimised management system being applicable to intelligent power distribution equipment according to claim 1, it is characterized in that described system energy-storage module comprise be connected with CPU respectively system energy-storage units, second, the 5th control unit, the input of described system energy-storage units is connected by the output of the second control unit with DC/DC power pack, and the output of described system energy-storage units is connected with faulty indication unit by the 5th control unit.
4. a kind of micro-energy-optimised management system being applicable to intelligent power distribution equipment according to claim 1, it is characterized in that the 3rd, the 6th control unit that described wireless communication module comprises radio communication unit and is connected with CPU respectively, the first input end of described radio communication unit is connected with the output 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.
5., based on a micro-stored energy method for energy-optimised management system micro-described in claim 1, it is characterized in that comprising 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 convert to system can voltage source, supply CPU;
3) operation energy-storage module opens charge mode;
4) operation energy-storage module carries out charging and the state value Ua of the tank voltage of detection operation at any time;
5) the operation tank voltage threshold values U0 set in CPU and the voltage status value Ua detected are compared;
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 carries out charging and the state value Ub of detection system tank voltage at any time;
8) the operation tank voltage threshold values U1 set in CPU and the voltage status value Ub detected are compared;
9) if Ub < is U1, then return step 7 and continue charging; If Ub > is U1, then open wireless communication module, makes CPU carry out information interaction by wireless communication module and main website or monitor supervision platform.
6. micro-stored energy method according to claim 5, when it is characterized in that the voltage status value Ua < operation tank voltage threshold values U0 when detecting, operation energy-storage module adopts constant voltage mode charging.
7. the micro-stored energy method according to claim 5 or 6, when it is characterized in that the voltage status value Ub < operation tank voltage threshold values U1 when detecting, system energy-storage module adopts constant voltage mode charging.
8. micro-stored energy method according to claim 7, when it is characterized in that the voltage status value Ub > operation tank voltage threshold values U1 when detecting, system energy-storage module adopts trickle clearance-type charging modes.
9. micro-stored energy method according to claim 5, is characterized in that the open and close of wireless communication module adopt PWM control technology to realize.
10., based on a micro-energy distributing method for energy-optimised management system micro-described in claim 1, it is characterized in that comprising the following steps:
1) when switchgear detect 10kV distribution line break down and micro-energy source disappear time, system energy-storage module switches to discharge mode, for cpu system is powered;
2) CPU control operation energy-storage module switches to discharge mode, is 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 detect, distribution line failure is removed and micro-energy source recovers, then CPU enters micro-stored energy algorithm pattern;
5), if distribution line failure is not removed, when system accumulation power supply is down to the voltage U 2 of setting, cpu system shuts down.
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| CN104269923B (en) | 2016-10-26 |
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