CN106444562A - Wind light-electric heat gas conversion module based multi-energy storage device coordination system and method - Google Patents

Wind light-electric heat gas conversion module based multi-energy storage device coordination system and method Download PDF

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Publication number
CN106444562A
CN106444562A CN201611123094.7A CN201611123094A CN106444562A CN 106444562 A CN106444562 A CN 106444562A CN 201611123094 A CN201611123094 A CN 201611123094A CN 106444562 A CN106444562 A CN 106444562A
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China
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hydrogen
input
arm processor
storing
connects
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CN201611123094.7A
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CN106444562B (en
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孙秋野
曾志杰
刘润铿
马大中
黄博南
王善渊
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东北大学
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423Input/output
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/25Pc structure of the system
    • G05B2219/25248Microcontroller as time switch

Abstract

The invention relates to a wind light-electric heat gas conversion module based multi-energy storage device coordination system and method and belongs to the technical field of energy. The system comprises a wind light-electric heat gas conversion module, a control module, a absorption refrigerator, an absorption heat pump, a compression refrigerator, a compression heat pump, a heat storage device, a cold storage device and a pipeline solenoid valve. The method includes: calculating real-time output-input power ratio of the system; acquiring current reserve of the cold storage device and the heat storage device and predicted electric energy production of a hydrogen storage device; controlling a relay set and the wind light-electric heat gas conversion module to perform system regulation according to the real-time output-input relationship parameter ratio and storage condition of the cold storage device, the heat storage device and the hydrogen storage device; controlling the pipeline solenoid valve, the compression refrigerator and the compression heat pump to work according to the energy storage condition of the heat storage device and the cold storage device. Diversified working modes can be provided according to different requirements; reasonable utilization of energy can be guaranteed, and the system can keep high efficiency and flexibility.

Description

Coordinate system and method based on many energy storage devices of scene-electric heating gas shift module
Technical field
The invention belongs to energy technology field is and in particular to assisted based on many energy storage devices of scene-electric heating gas shift module Adjusting system and method.
Background technology
The energy plays important role always during the social and economic development of the mankind.At present, oil, coal and The non-renewable fossil energy such as natural gas is still the main energy sources that human society is depended on for existence.Due to global economy and population In constantly rapid growth, the world is to the demand of the energy also growing for quantity.But, due to these fossil energies can not Reproducibility, with the exhaustive exploitation of the mankind, non-renewable fossil energy will face exhaustion.This makes problem of energy crisis day Benefit is prominent.Meanwhile, using Fossil fuel, also earth environment is created with serious negative effect in a large number.For example, big quantization The material that stone fuel produces after a procedure can cause serious environmental pollution, leads to global warming, destroys the Nature ecological Balance etc..In order to tackle energy crisis and mitigate the impact to environment for the fossil energy, people constantly explore the use of new forms of energy Method, such as makes up energy breach using green energy resources such as wind energy, solar energy, tide energy or geothermal energies, improves environment.
Progressively changed using the traditional economy being characterized and social development pattern so that fossil energy is centralized, and The third time industrial revolution with new energy technology and Internet technology as representative is risen.Energy the Internet is with power system For core, based on the Internet and other Latest Information technology, regenerative resource is main primary energy in a distributed manner, with sky The so other system close-coupled such as gas network, transportation network and many network flow systems of complexity of being formed.As the third time industrial revolution Core technology, energy the Internet try hard to promote distribution type renewable energy extensive using with share, final realize changing Utilization of energy pattern, promotes the purpose of economy and society sustainable development.The final goal that energy industry is changed is to set up more Efficiently, safety and continuable utilization of energy pattern, thus solve the great difficult problem that this human society of utilization of energy faces.
As the base unit under the big system in energy the Internet, micro-grid system receives significant attention, and it is by distributed energy The part such as (as wind-power electricity generation, photovoltaic generation, energy storage device etc.) and load forms, and possesses grid-connected, two kinds of operational modes of isolated island, Become distributed power generation high-efficiency management and a kind of New Scheme utilizing.Using energy compatibility optimization and management technique, microgrid energy Enough scales for regenerative resource access and provide effective technological means, it is possible to achieve the efficient utilization of comprehensive energy and be The safe and stable operation of system.With and system safe and stable operation.
In microgrid running, control is key problem and the key technology that microgrid is capable of normal table operation, correctly Control strategy can make microgrid operate in optimum state, can reliablely and stablely supply load, and can reduce loss save energy Consume.When the method for operation of microgrid changes, that is, the structure of the load in system or system changes, in order to ensure Microgrid can keep, to the stable power-supplying in specific electric load, now the micro- source in microgrid and switch must being controlled and adjusting, The electricity needs of load could be met.When electrical grid failure or the quality of power supply can not reach requirement it is also desirable to have corresponding Control strategy realizing the switching between the networking operation of microgrid or islet operation.
It is distributed in the distributed triple-generation system near user side progressively to become with clean reproducible energy energy supply technology For the study hotspot in global energy field, even more micro-grid system is capable of another core technology of stable operation.Wind-force, solar energy etc. By effect of natural conditions, its output has the features such as intermittence, randomness, this kind of regenerative resource scale grid-connected to electricity The stable operation of net brings huge challenge.In many cases, the demand of load side and distributed clean reproducible energy Energy supply is difficult to mate, and brings and abandons wind on a large scale, abandons the phenomenon that electric equal energy source wastes.
Content of the invention
The deficiency existing for above-mentioned prior art, the present invention provides the many energy storage based on scene-electric heating gas shift module Device coordinates system and method.
Technical scheme:
Coordinate system based on many energy storage devices of scene-electric heating gas shift module it is characterised in that including:
Scene-electric heating gas shift module, control module, biomass gasification device, gas turbine, waste heat boiler, absorption Refrigeration machine, absorption heat pump, compression refrigerating machine, compression heat pump, heat-storing device, accumulator are put, generating set, exchange are female Line, cutting-in control switch, AC converter, other hydrogen utilization devices and pipe electromagnetic valve group;
Described pipe electromagnetic valve group includes the 1st pipe electromagnetic valve, the 2nd pipe electromagnetic valve and the 3rd pipe electromagnetic valve;
Described scene-electric heating gas shift module, including:Wind-driven generator, photovoltaic battery array, photoelectrocatalysiss hydrogen manufacturing dress Put, vacuum collector, commutator, inverter, dc bus, PEM fuel cell, gas tank, two-way stream controller, hydrogen storage dress Put, luminous energy transform mode selective relay and hydrogen storage output solenoid valve;
Described control module includes:Arm processor, honourable condition detector, electrical power monitoring device, cold heat power detection Device, input power detector, relay group, input through keyboard module and display screen;
The outfan of described wind power generating set connects dc bus the 1st input, luminous energy transform mode by commutator Selective relay the 1st outfan connects photovoltaic battery array input, and it is defeated that photovoltaic battery array outfan connects dc bus the 2nd Enter end, dc bus outfan connects ac bus the 1st input, luminous energy transform mode selective relay the 2nd by inverter Outfan connects photoelectrocatalysiss device for producing hydrogen input, and photoelectrocatalysiss device for producing hydrogen connects gas tank, and gas tank connects multidirectional stream Controller input, bidirectional flow controller output end connects hydrogen-storing device input and hydrogen output channel respectively, and hydrogen exports Pipeline connects other hydrogen utilization devices;Hydrogen-storing device outfan connects hydrogen storage output solenoid valve, and hydrogen storage output solenoid valve connects Fuel cell, fuel cell connects biomass gasification device input port and dc bus the 3rd input respectively.
Described biomass gasification device gas outlet connects gas turbine the 1st fuel air mouth, and the 1st pipe electromagnetic valve goes out QI KOU links gas turbine the 2nd fuel air mouth, and gas turbine gas outlet connects waste heat boiler air inlet, and gas turbine passes through core Axle is connected with generating set, and generating set connects AC converter input, and it is defeated that AC converter outfan connects ac bus Enter end;The steam that the steam (vapor) outlet of waste heat boiler connects heat-storing device, Absorption Refrigerator steam inlet and absorption heat pump enters Mouthful, heat-storing device outlet connects thermic load by the 2nd pipe electromagnetic valve, and Absorption Refrigerator outfan connects accumulator and inserts Mouthful, accumulator is put outlet and is connected refrigeration duty by the 3rd pipe electromagnetic valve, and ac bus are switched by cutting-in control and connect utility grid Network, ac bus outfan connects electric load;Ac bus outfan connects compression heat pump, compression refrigerating machine, suction respectively Receipts formula refrigeration machine and absorption heat pump, compression refrigerating machine and Absorption Refrigerator outfan are all connected with refrigeration duty, compression type heat Pump and absorption type heat pump output terminal are all connected with thermic load;
Described scene condition monitoring device connects arm processor the 1st input, and hydrogen-storing device connects arm processor the 2nd input End, heat-storing device connects arm processor the 3rd input, and accumulator puts connection arm processor the 4th input, electrical power monitoring device Input connects electric load, and electrical power monitoring device outfan connects arm processor the 5th input, and cold heat power detector inputs End connects refrigeration duty and thermic load respectively, and cold heat power detector outfan connects arm processor the 6th input, input power Detector input connects biomass gasification device, and input power detector output end connects arm processor the 7th input, key Disk input module connects arm processor the 8th input, and relay group one end connects the 1st outfan of arm processor, relay The group other end connects cutting-in control switch, compression refrigerating machine, compression heat pump and pipe electromagnetic valve group, luminous energy conversion side respectively Formula selective relay and hydrogen storage output solenoid valve connect the 2nd outfan and the 3rd outfan of arm processor respectively;Display screen is even Connect the 4th outfan of arm processor.
Using the many energy storage devices coordination systems based on scene-electric heating gas shift module based on scene-electric heating gas shift Many energy storage devices coordination approach of module, comprises the steps:
Step 1:Aweather optical-electronic steam modular converter input wind energy and solar energy, input to biomass gasification device and fix The biomass energy of power, inputs Fossil fuel to the 1st electromagnetic valve entrance, and arm processor starts intervalometer T0;
Step 2:Input power detector real-time detection biomass energy input powerAnd it is sent to ARM process Device stores;
Step 3:Honourable condition detector gathers local wind speed ω and local light intensity ξ respectively and is sent to arm processor;
Step 4:Arm processor calculates wind turbine power generation power according to local wind speed ω and local light intensity ξWith photovoltaic battery array generated output
Step 5:Electrical power monitoring device real-time detection electric load power consumptionCold heat power detector real-time detection Thermic load powerWith refrigeration duty power
Step 6:Arm processor calculates powerMesh power Pneed, and calculate defeated in real time Go out input power and compare γreal-time
Step 6-1:Calculate the mesh power P of outlet side outputneed
Wherein, λe、λh、λcThe corresponding equivalence factor of respectively electric, hot, cold output, ue、uh、ucRespectively electric, hot, cold defeated Go out corresponding differential sampling parameter, the value of equivalence factor and differential sampling parameter by energy conversion device each in micro-grid system mode of operation and Efficiency determines;
Step 6-2:Calculate input side input power
Step 6-3:Calculate the Relation Parameters of output input in real time and compare γreal-time
Step 7:Arm processor obtains accumulator respectively and puts current reservesThe current reserves of heat-storing deviceThe n group temperature of hydrogen-storing device and pressure;
Step 8:Arm processor calculates hydrogen-storing device prediction generated energy
Step 8-1:Arm processor utilizes n group temperature and the pressure data of hydrogen-storing device, calculates temperature arrayWith pressure array
Step 8-2:Arm processor calculates the operating temperature of hydrogen-storing deviceAnd operating pressure
Step 8-3:Calculate density of hydrogen in hydrogen-storing deviceIn present embodiment, specific equation of gas state model For:
In formula, a, b, c are the parameter of equation of gas state model,Concentration for hydrogen in hydrogen-storing device.
Step 8-4:And calculate current hydrogen-storing device generated energy is predicted by fuel cell
Wherein, ηfuel cellFor fuel cells convert efficiency,Preset capacity for hydrogen-storing device;Exist for hydrogen Corresponding low enthalpy value under hydrogen-storing device, because there is phase transition process in hydrogen in hydrogen-storing device,According to Van't Hoff side Journey obtains:
Wherein,Hydrogen balance decomposition pressure, according to the data obtainedIn balancing each other of hydrogen bearing alloy and hydrogen In figure can be looked into;ΔSoValue is mainly the loss of gaseous hydrogen entropy.
Step 9:System running state index is sent to display screen and shows by arm processor;
Step 10:Arm processor compares γ according to real-time input/output relation parameterreal-time, heat-storing device, accumulator put With the storage situation of hydrogen-storing device, by control relay group, luminous energy transform mode selective relay and hydrogen storage output solenoid valve Carry out system call interception:
Step 10-1:Arm processor compares γ according to real-time output input Relation Parametersreal-timeIt is located interval, by controlling Cutting-in control switch and pipe electromagnetic valve, realize controlling wind energy, the input of solar energy, fossil fuel and electricity network and utilization;
Step 10-2:Judge hydrogen-storing device prediction generated energyWhether it is less than hydrogen-storing device generated energy lower limit, be, Execution step 10-3;Otherwise, execution step 10-4;
Step 10-3:Arm processor increases pipe electromagnetic valve opening, increases the fossil fuel of input in gas turbine, with When, arm processor controls luminous energy transform mode selective relay to be converted into photoelectrocatalysiss hydrogen manufacturing dress by photovoltaic battery array work Put work, provide hydrogen, execution step 10-5 for hydrogen-storing device;
Step 10-4:Arm processor controls luminous energy transform mode selective relay to select photovoltaic battery array work, execution Step 10-7;
Step 10-5:Judge hydrogen-storing device prediction generated energyWhether it is higher than the hydrogen-storing device generated energy upper limit, be, Execution step 10-6;Otherwise, execution step 10-7;
Step 10-6:Arm processor reduces pipe electromagnetic valve opening;
Step 10-7:Arm processor judges that accumulator puts current reserves respectivelyOr the current reserves of heat-storing deviceWhether put or heat-storing device energy storage lower limit less than accumulator, be, execution step 10-8;Otherwise, execution step 11;
Step 10-8:Arm processor opens hydrogen storage output solenoid valve, discharges hydrogen, combustion to fuel cell with certain flow rate Material battery functions, are electric load and biomass gasification device energy supply;
Step 10-9:Arm processor starts intervalometer T1 record fuel cell operating time;Timer timing starting point is t0, when timer reaches t0During+60S, 60S is divided into 10 timing node t1To t10, and to calculate hydrogen-storing device critical reference Wear rate Γ:
And judge Γ and wear rate threshold value ΓbRelation:(1) if Γ≤Γb, intervalometer T1 resets to t0
(2) if Γ is > Γb, intervalometer T1 clearing, execution step 10-10.
Step 10-10:Closure cutting-in control switch, cuts out hydrogen output solenoid valve, fuel cell.
Step 11:And the time status of real-time judge intervalometer T0, if the clocking value of intervalometer T0 is not up to intervalometer Timing cycle Tcheck, execution step 13;Otherwise, sentence execution step 12.
Step 12:Judge that heat-storing device and accumulator put energy storage state:
IfArm processor controls the 2nd closed electromagnetic valve, and compression refrigerating machine is opened Close closure, be that refrigeration duty increases cooling;IfArm processor controls the 3rd electromagnetic valve to close Close, control compression type heat switch pump closure, be that thermic load increases heat supply;Wherein,For heat-storing device energy storage higher limit, Put energy storage higher limit for accumulator;IfExecution step 13.
Step 13:Detect whether that input through keyboard instructs, had, preferential execution input through keyboard instruction, no, execution step 14.
Step 14:Execution step 3 arrives step 13 repeatedly.
Beneficial effect:A kind of many energy storage devices based on scene-electric heating gas shift module coordinate system and methods with existing Technology is compared, and has following advantage:
(1) applied widely, flexile cold and heat supply mode can be provided according to different hot-cool demands;
(2) supplying heat source has absorption heat pump, compression heat pump, heat-storing device, solar vacuum heat-collecting pipe, PEM fuel electricity Five kinds of pond, has Absorption Refrigerator, compression refrigerating machine, accumulator to put etc. three kinds for low-temperature receiver, cold and hot amount outlet side possesses greatly Adjustment is interval, adapts to the hot-cool demand situation of various complexity;
(3) can ensure that energy presses the principle utilization of " cascade utilization, temperature boil on the nape opposite the mouth ", the cold of cold and hot electric system can be made again Amount, heat and power energy allocation more reasonable, make system keep higher efficiency and motility.
Brief description
Fig. 1 is the many energy storage devices coordination systems based on scene-electric heating gas shift module of one embodiment of the present invention Structural representation;
Fig. 2 is the scene-electric heating gas shift modular structure schematic diagram of one embodiment of the present invention;
Fig. 3 is control module structure and the annexation schematic diagram of one embodiment of the present invention;
Fig. 4 is the many energy storage devices coordination approach based on scene-electric heating gas shift module of one embodiment of the present invention Flow chart
Fig. 5 is that the arm processor of one embodiment of the present invention fills according to real-time input/output relation parameter ratio, heat accumulation Put, accumulator puts the method flow diagram carrying out system call interception with the storage situation of hydrogen-storing device.
Specific embodiment
Below in conjunction with the accompanying drawings one embodiment of the present invention is elaborated.
As described in Figure 1, a kind of many energy storage devices coordination systems based on scene-electric heating gas shift module, including:
Scene-electric heating gas shift module, control module, biomass gasification device, gas turbine, waste heat boiler, absorption Refrigeration machine, absorption heat pump, compression refrigerating machine, compression heat pump, heat-storing device, accumulator are put, generating set, exchange are female Line, cutting-in control switch, AC converter, other hydrogen utilization devices and pipe electromagnetic valve group;
Described pipe electromagnetic valve group includes the 1st pipe electromagnetic valve, the 2nd pipe electromagnetic valve and the 3rd pipe electromagnetic valve;
As described in Figure 2, described scene-electric heating gas shift module, including:Wind-driven generator, photovoltaic battery array, photoelectricity are urged Change device for producing hydrogen, vacuum collector, commutator, inverter, dc bus, PEM fuel cell, gas tank, two-way stream controller, Hydrogen-storing device, luminous energy transform mode selective relay and hydrogen storage output solenoid valve;
As shown in figure 3, described control module includes:Arm processor, honourable condition detector, electrical power monitoring device, cold/ Thermal power detector, input power detector, relay group, input through keyboard module and display screen;
In system, the model of core component is as follows:Gas turbine model is the C200 type combustion gas of Capstone company 200kW Wheel unit, compression refrigerating machine adopts long-range company BS150 BrLi chiller, and compression heat pump adopts long-range company bromination Lithium Hot water units, hydrogen-storing device is TAE/EVO-121 model hydrogen high pressure storage tank, and heat-storing device is CHCR6 model steam accumulation of heat Device,
Accumulator is set to coiled pipe type ice storing device, and the model of arm processor is AT91RM9200.
The outfan of described wind power generating set connects dc bus the 1st input, luminous energy transform mode by commutator Selective relay the 1st outfan connects photovoltaic battery array input, and it is defeated that photovoltaic battery array outfan connects dc bus the 2nd Enter end, dc bus outfan connects ac bus the 1st input, luminous energy transform mode selective relay the 2nd by inverter Outfan connects photoelectrocatalysiss device for producing hydrogen input, and photoelectrocatalysiss device for producing hydrogen connects gas tank, and gas tank connects multidirectional stream Controller input, bidirectional flow controller output end connects hydrogen-storing device input and hydrogen output channel respectively, and hydrogen exports Pipeline connects other hydrogen utilization devices;Hydrogen-storing device outfan connects hydrogen storage output solenoid valve, and hydrogen storage output solenoid valve connects Fuel cell, fuel cell connects biomass gasification device input port and dc bus the 3rd input respectively.
Described biomass gasification device gas outlet connects gas turbine the 1st fuel air mouth, and the 1st pipe electromagnetic valve goes out QI KOU links gas turbine the 2nd fuel air mouth, and gas turbine gas outlet connects waste heat boiler air inlet, and gas turbine passes through core Axle is connected with generating set, and generating set connects AC converter input, and it is defeated that AC converter outfan connects ac bus Enter end;The steam that the steam (vapor) outlet of waste heat boiler connects heat-storing device, Absorption Refrigerator steam inlet and absorption heat pump enters Mouthful, heat-storing device outlet connects thermic load by the 2nd pipe electromagnetic valve, and Absorption Refrigerator outfan connects accumulator and inserts Mouthful, accumulator is put outlet and is connected refrigeration duty by the 3rd pipe electromagnetic valve, and ac bus are switched by cutting-in control and connect utility grid Network, ac bus outfan connects electric load;Ac bus outfan connects compression heat pump, compression refrigerating machine, suction respectively Receipts formula refrigeration machine and absorption heat pump, compression refrigerating machine and Absorption Refrigerator outfan are all connected with refrigeration duty, compression type heat Pump and absorption type heat pump output terminal are all connected with thermic load;
Described scene condition monitoring device connects arm processor the 1st input, and hydrogen-storing device connects arm processor the 2nd input End, heat-storing device connects arm processor the 3rd input, and accumulator puts connection arm processor the 4th input, electrical power monitoring device Input connects electric load, and electrical power monitoring device outfan connects arm processor the 5th input, and cold heat power detector inputs End connects refrigeration duty and thermic load respectively, and cold heat power detector outfan connects arm processor the 6th input, input power Detector input connects biomass gasification device, and input power detector output end connects arm processor the 7th input, key Disk input module connects arm processor the 8th input, and relay group one end connects the 1st outfan of arm processor, relay The group other end connects cutting-in control switch, compression refrigerating machine, compression heat pump and pipe electromagnetic valve group, luminous energy conversion side respectively Formula selective relay and hydrogen storage output solenoid valve connect the 2nd outfan and the 3rd outfan of arm processor respectively;Display screen is even Connect the 4th outfan of arm processor.
As shown in figure 4, using the many energy storage devices based on scene-electric heating gas shift module coordinate systems based on scene- Many energy storage devices coordination approach of electric heating gas shift module, comprises the steps:
Step 1:Aweather optical-electronic steam modular converter input wind energy and solar energy, input to biomass gasification device and fix The biomass energy of power, inputs Fossil fuel to the 1st electromagnetic valve entrance, and arm processor starts intervalometer T0;
Step 2:Input power detector real-time detection biomass energy input powerAnd it is sent to ARM process Device stores;
Step 3:Honourable condition detector gathers local wind speed ω and local light intensity ξ respectively and is sent to arm processor;
Step 4:Arm processor calculates wind turbine power generation power according to local wind speed ω and local light intensity ξWith photovoltaic battery array generated output
Step 5:Electrical power monitoring device real-time detection electric load power consumptionCold heat power detector real-time detection Thermic load powerWith refrigeration duty power
Step 6:Arm processor calculates powerMesh power Pneed, and calculate defeated in real time Go out input power and compare γreal-time
Step 6-1:Calculate the mesh power P of outlet side outputneed
Wherein, λe、λh、λcThe corresponding equivalence factor of respectively electric, hot, cold output, ue、uh、ucRespectively electric, hot, cold defeated Go out corresponding differential sampling parameter, the value of equivalence factor and differential sampling parameter by energy conversion device each in micro-grid system mode of operation and Efficiency determines;
Step 6-2:Calculate input side input power
Step 6-3:Calculate the Relation Parameters of output input in real time and compare γreal-time
In present embodiment, in the t' moment, the mesh power of outlet side output and input side input power are respectively:
The Relation Parameters ratio of output input in real time
Step 7:Arm processor obtains accumulator respectively and puts current reservesThe current reserves of heat-storing deviceThe n group temperature of hydrogen-storing device and pressure;
In present embodiment, in the t' moment, accumulator puts current reservesHeat-storing device Current reserves
Step 8:Arm processor calculates hydrogen-storing device prediction generated energy
Step 8-1:Arm processor utilizes n group temperature and the pressure data of hydrogen-storing device, calculates temperature arrayWith pressure array
Step 8-2:Arm processor calculates the operating temperature of hydrogen-storing deviceAnd operating pressure
Step 8-3:Calculate density of hydrogen in hydrogen-storing deviceIn present embodiment, specific equation of gas state model For:
In formula, a, b, c are the parameter of equation of gas state model, a=0.02452Pa m6/mol2, b= 0.0000265m3/ mol, c=8.9113 × 10-14m3/ (Pa mol),Concentration for hydrogen in hydrogen-storing device.
Step 8-4:And calculate current hydrogen-storing device generated energy is predicted by fuel cell
Wherein, ηfuel cellFor fuel cells convert efficiency, ηfuel cellValue is 53%,For hydrogen storage dress The preset capacity put;For hydrogen under hydrogen-storing device corresponding low enthalpy value, because there is phase transformation in hydrogen in hydrogen-storing device Process,Obtained according to Van't Hoff equation:
Wherein,Hydrogen balance decomposition pressure, according to the data obtainedIn balancing each other of hydrogen bearing alloy and hydrogen In figure can be looked into;ΔSoValue is mainly the loss of gaseous hydrogen entropy, in room temperature, Δ SoValue be all approximately 130.5J/ (mol K).
In present embodiment, the t' moment, the prediction generated energy of hydrogen-storing device
Step 9:System running state index is sent to display screen and shows by arm processor;
Step 10:As shown in figure 5, arm processor compares γ according to real-time input/output relation parameterreal-time, heat accumulation dress Put, accumulator puts storage situation with hydrogen-storing device, by control relay group, luminous energy transform mode selective relay and hydrogen storage Output solenoid valve carries out system call interception:
Step 10-1:Arm processor judges that the Relation Parameters of output input in real time compare γreal-timeIt is located interval:
(1) if γreal-time∈ (0,0.96), arm processor is respectively closed cutting-in control switch and closes the 1st pipeline electricity Magnet valve, wind energy and solar energy are converted into electricity output, are electric load and electricity network is powered;
(2) if γreal-time∈ [0.96,1.07), arm processor is closed the 1st pipe electromagnetic valve and is disconnected cutting-in control and open Close, wind energy and solar energy are converted into electricity output, are that electric load is powered;
(3) if γreal-time∈ [1.07,1.22), arm processor closure cutting-in control switch, wind energy is converted with solar energy Alternating current is powered for city's electric load;
(4) if γreal-time∈ [1.22, ∞), arm processor disconnects cutting-in control switch, and wind energy is converted into solar energy Alternating current, meanwhile, increases the 1st pipe electromagnetic valve opening, increases the input of gas turbine sinopec fuel;
In present embodiment, the t' moment, γreal-time∈ [0.96,1.07), therefore, arm processor closes the 1st pipeline electricity Magnet valve, and disconnect cutting-in control switch.
Step 10-2:Judge hydrogen-storing device prediction generated energyWhether it is less than hydrogen-storing device generated energy lower limit, be, Execution step 10-3;Otherwise, execution step 10-4;
In present embodiment, hydrogen-storing device generated energy lower limit isThe t' moment, hydrogen storage Device predicts generated energyIt is not less than hydrogen-storing device generated energy lower limit, then direct execution step 10-4;
Step 10-3:Arm processor increases the 1st pipe electromagnetic valve opening, increases the fossil fuel of input in gas turbine, Meanwhile, arm processor controls luminous energy transform mode selective relay to be converted into photoelectrocatalysiss hydrogen manufacturing by photovoltaic battery array work Device works, and provides hydrogen, execution step 10-5 for hydrogen-storing device;
Step 10-4:Arm processor controls luminous energy transform mode selective relay to select photovoltaic battery array work, execution Step 10-7;
Step 10-5:Judge hydrogen-storing device prediction generated energyWhether it is higher than the hydrogen-storing device generated energy upper limit, be, Execution step 10-6;Otherwise, execution step 10-7;
In present embodiment, the hydrogen-storing device generated energy upper limit isIn the t' moment, execute step Rapid 10-7.
Step 10-6:Arm processor reduces the 1st pipe electromagnetic valve opening;
Step 10-7:Arm processor judges that accumulator puts current reserves respectivelyOr the current reserves of heat-storing deviceWhether put or heat-storing device energy storage lower limit less than accumulator, be, execution step 10-8;Otherwise, execution step 11;
In present embodiment, accumulator puts energy storage lower limitHeat-storing device energy storage Lower limitIn the t' moment, the current reserves of heat-storing device are less than heat-storing device energy storage lower limit Value, execution step 10-9.
Step 10-8:Arm processor opens hydrogen storage output solenoid valve, discharges hydrogen, combustion to fuel cell with certain flow rate Material battery functions, are electric load and biomass gasification device energy supply;
Step 10-9:Arm processor starts intervalometer T1 record fuel cell operating time;Timer timing starting point is t0, when timer reaches t0During+60S, 60S is divided into 10 timing node t1To t10, and to calculate hydrogen-storing device critical reference Wear rate Γ:
And judge Γ and wear rate threshold value ΓbRelation:(1) if Γ≤Γb, intervalometer T1 resets to t0
(3) if Γ is > Γb, intervalometer T1 resets, and executes 10-10.
In present embodiment, wear rate threshold value Γb=50KW, t0In+60S the time period, Γ=32KW, Γ≤Γb, fixed When device T1 reset to t0.
Step 10-10:Closure cutting-in control switch, cuts out hydrogen output solenoid valve, fuel cell.
Step 11:And the time status of real-time judge intervalometer T0, if the clocking value of intervalometer T0 is not up to intervalometer Timing cycle Tcheck, execution step 13;Otherwise, sentence execution step 12;Wherein, Tcheck=1h.
Step 12:Judge that heat-storing device and accumulator put energy storage state:
IfArm processor controls the 2nd pipe electromagnetic valve to close, and controls compression Refrigeration machine switch closure, is that refrigeration duty increases cooling;IfArm processor controls the 3rd Pipe electromagnetic valve is closed, and controls compression type heat switch pump closure, is that thermic load increases heat supply.
IfExecution step 13.
In present embodiment, when heat-storing device energy storage higher limit and accumulator are put energy storage higher limit and are 0.5~0.6, t' Carve,Arm processor controls the 2nd pipe electromagnetic valve to close, and controls compression refrigerating machine to open Close closure, be that refrigeration duty increases cooling;
Step 13:Detect whether that input through keyboard instructs, had, preferential execution input through keyboard instruction, no, execution step 14.
Step 14:Execution step 3 arrives step 13 repeatedly;
In in present embodiment, the t " moment, working state of system is as follows:
The mesh power of outlet side output and input side input power are respectively:
The Relation Parameters ratio of output input in real time
Due to γreal-time∈ [1.22, ∞), arm processor opens the 1st pipe electromagnetic valve, and disconnects cutting-in control and open Close.
Calculate the prediction generated energy of hydrogen-storing device:Hydrogen-storing device predicts generated energyIt is not less than hydrogen-storing device generated energy lower limit.Energy storage supplement need not be carried out to hydrogen-storing device.Luminous energy transform mode selects Relay selects photovoltaic battery array work.
Accumulator puts current reservesThe current reserves of heat-storing device Accumulator is put or heat-storing device energy storage lower limit is respectively Heat-storing device is below energy storage lower limit with storing up cold current reserves, and arm processor opens hydrogen storage output solenoid valve, fuel cell work Make.
t0In+60S the time period, Γ=114KW, Γ > Γb;The hydrogen consumption speed of hydrogen-storing device is more than critical speed, closes Close hydrogen output solenoid valve, fuel cell.
Judge the time status of intervalometer T0, the clocking value of intervalometer T0 reaches intervalometer timing cycle Tcheck, now, storage Thermal and accumulator are put energy storage state and are: Arm processor controls the 2nd electromagnetic valve, the 3rd closed electromagnetic valve, and compression heat pump is closed with the switch of compression refrigerating machine, to storage Thermal and accumulator are put and are carried out energy storage.

Claims (6)

1. coordinate system it is characterised in that including based on many energy storage devices of scene-electric heating gas shift module:
Scene-electric heating gas shift module, control module, biomass gasification device, gas turbine, waste heat boiler, absorption refrigeration Machine, heat-storing device, accumulator are put, ac bus, cutting-in control switch and pipe electromagnetic valve;
Described scene-electric heating gas shift module, including:Wind-driven generator, photovoltaic battery array, photoelectrocatalysiss device for producing hydrogen, whole Stream device, inverter, dc bus, fuel cell, hydrogen-storing device, luminous energy transform mode selective relay and hydrogen storage output electromagnetism Valve;
Described control module includes:Arm processor, honourable condition detector, electrical power monitoring device, cold heat power detector, defeated Enter power detector and relay group;
The outfan of described wind-driven generator connects dc bus the 1st input by commutator, and luminous energy transform mode selects to continue Electrical equipment the 1st outfan connects photovoltaic battery array input, and photovoltaic battery array outfan connects dc bus the 2nd input, Dc bus outfan connects ac bus the 1st input, luminous energy transform mode selective relay the 2nd outfan by inverter Connect photoelectrocatalysiss device for producing hydrogen input, photoelectrocatalysiss device for producing hydrogen outfan connects hydrogen-storing device input, hydrogen-storing device Outfan connects hydrogen storage output solenoid valve, and hydrogen storage output solenoid valve connects fuel cell, and fuel cell connects biogas respectively Gasifying device input port and dc bus the 3rd input;
Described biomass gasification device gas outlet connects gas turbine the 1st fuel air mouth, pipe electromagnetic valve air gate chain Connect gas turbine the 2nd fuel air mouth, gas turbine gas outlet connects waste heat boiler air inlet, the steam (vapor) outlet of waste heat boiler is even Connect heat-storing device and Absorption Refrigerator steam inlet, heat-storing device outlet connects thermic load, and Absorption Refrigerator outfan is even Connect accumulator posting port, accumulator is put outlet and connected refrigeration duty, ac bus are switched by cutting-in control and connect electricity network, hand over Stream bus outfan connects electric load;
Described scene condition monitoring device connects arm processor the 1st input, and hydrogen-storing device connects arm processor the 2nd input, Heat-storing device connects arm processor the 3rd input, and accumulator puts connection arm processor the 4th input, and electrical power monitoring device is defeated Enter end and connect electric load, electrical power monitoring device outfan connects arm processor the 5th input, cold heat power detector input Connect refrigeration duty and thermic load respectively, cold heat power detector outfan connects arm processor the 6th input, and input power is examined Survey device input and connect biomass gasification device, input power detector output end connects arm processor the 7th input, relay Device group one end connects the 1st outfan of arm processor, and the relay group other end connects cutting-in control switch and pipe electromagnetic respectively Valve, luminous energy transform mode selective relay and hydrogen storage output solenoid valve connect the 2nd outfan of arm processor and the 3rd defeated respectively Go out end.
2. the many energy storage devices coordination systems based on scene-electric heating gas shift module according to claim 1, its feature exists In also including:Generating set, AC converter, absorption heat pump, compression refrigerating machine and compression heat pump;
Described gas turbine is connected with generating set by mandrel, and generating set connects AC converter input, exchange conversion Device outfan connects ac bus input;Described waste heat boiler steam (vapor) outlet connects the steam inlet of absorption heat pump, exchange Bus outfan connects compression heat pump, compression refrigerating machine, Absorption Refrigerator and absorption heat pump, compression-type refrigeration respectively Machine and Absorption Refrigerator outfan are all connected with refrigeration duty, and compression heat pump and absorption type heat pump output terminal are all connected with thermic load; Compression refrigerating machine is all connected with arm processor by relay group with compression heat pump.
3. the many energy storage devices coordination systems based on scene-electric heating gas shift module according to claim 1, its feature exists In also including:Gas tank, two-way stream controller and other hydrogen utilization devices;
Photoelectrocatalysiss device for producing hydrogen connects gas tank, and gas tank connects multidirectional stream controller input, two-way stream controller output End connects hydrogen-storing device input and hydrogen output channel respectively, and hydrogen output channel connects other hydrogen utilization devices.
4. using the many energy storage devices coordination systems based on scene-electric heating gas shift module described in claim 1 based on wind Many energy storage devices coordination approach of optical-electronic steam modular converter is it is characterised in that comprise the steps:
Step 1:Aweather optical-electronic steam modular converter input wind energy and solar energy, input constant power to biomass gasification device Biomass energy, to pipe electromagnetic valve inlet input Fossil fuel;
Step 2:Input power detector real-time detection biomass energy input powerAnd be sent to arm processor and deposit Storage;
Step 3:Honourable condition detector gathers local wind speed ω and local light intensity ξ respectively and is sent to arm processor;
Step 4:Arm processor calculates wind turbine power generation power according to local wind speed ω and local light intensity ξAnd light Volt array generated output
Step 5:Electrical power monitoring device real-time detection electric load power consumptionCold heat power detector real-time detection heat is negative Lotus powerWith refrigeration duty power
Step 6:Arm processor calculates powerMesh power Pneed, and it is defeated to calculate real-time output Enter power ratio
Step 7:Arm processor obtains accumulator respectively and puts current reservesThe current reserves of heat-storing device Predict generated energy with hydrogen-storing device
Step 8:Arm processor compares γ according to real-time input/output relation parameterreal-time, heat-storing device, accumulator put and hydrogen storage The storage situation of device, by control relay group, luminous energy transform mode selective relay and hydrogen storage output solenoid valve system System adjustment;
Step 9:Repeated execution of steps 3 arrives step 8.
5. the many energy storage devices coordination approach based on scene-electric heating gas shift module according to claim 4, its feature exists In step 8 specifically includes:
Step 8-1:Arm processor compares γ according to real-time output input Relation Parametersreal-timeIt is located interval, grid-connected by controlling Controlling switch and pipe electromagnetic valve, realize controlling wind energy, the input of solar energy, fossil fuel and electricity network and utilization;
Step 8-2:Judge hydrogen-storing device prediction generated energyWhether it is less than hydrogen-storing device generated energy lower limit, be, execution Step 8-3;Otherwise, execution step 8-4;
Step 8-3:Arm processor increases pipe electromagnetic valve opening, increases the fossil fuel of input in gas turbine, meanwhile, ARM Processor controls luminous energy transform mode selective relay to be converted into the work of photoelectrocatalysiss device for producing hydrogen by photovoltaic battery array work, There is provided hydrogen, execution step 8-5 for hydrogen-storing device;
Step 8-4:Arm processor controls luminous energy transform mode selective relay to select photovoltaic battery array work, execution step 8-7;
Step 8-5:Judge hydrogen-storing device prediction generated energyWhether it is higher than the hydrogen-storing device generated energy upper limit, be, execution Step 8-6;Otherwise, execution step 8-7;
Step 8-6:Arm processor reduces pipe electromagnetic valve opening;
Step 8-7:Arm processor judges that accumulator puts current reserves respectivelyOr the current reserves of heat-storing deviceWhether put or heat-storing device energy storage lower limit less than accumulator, be, execution step 8-8;Otherwise, execution step 9;
Step 8-8:Arm processor opens hydrogen storage output solenoid valve, discharges hydrogen, fuel cell to fuel cell with certain flow rate Start working, be electric load and biomass gasification device energy supply;
Step 8-9:Arm processor judges whether hydrogen-storing device wear rate is more than wear rate threshold value, is, execution step 8- 10, otherwise, execution step 9;
Step 8-10:Closure cutting-in control switch, cuts out hydrogen output solenoid valve, fuel cell.
6. the many energy storage devices coordination approach based on scene-electric heating gas shift module according to claim 5, its feature exists In step 8-9 is specially:
Arm processor starts intervalometer T1 record fuel cell operating time;Timer timing starting point is t0, when timer reaches t0During+60S, 60S is divided into 10 timing node t1To t10, calculate hydrogen-storing device wear rate Γ:
Γ = 1 9 × Σ n = 1 n = 9 ( ∫ t n t n + 1 W r e a l - t i m e f u e l c e l l · d t - ∫ t n - 1 t n W r e a l - t i m e f u e l c e l l · d t )
Judge Γ and wear rate threshold value ΓbRelation:(1) if Γ≤Γb, intervalometer T1 resets to t0, execution step 9;
(2) if Γ is > Γb, intervalometer T1 clearing, execution step 8-10.
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