CN110361969A - A kind of cool and thermal power integrated energy system optimizing operation method - Google Patents
A kind of cool and thermal power integrated energy system optimizing operation method Download PDFInfo
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- CN110361969A CN110361969A CN201910523725.1A CN201910523725A CN110361969A CN 110361969 A CN110361969 A CN 110361969A CN 201910523725 A CN201910523725 A CN 201910523725A CN 110361969 A CN110361969 A CN 110361969A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
- G05B13/04—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
- G05B13/042—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators in which a parameter or coefficient is automatically adjusted to optimise the performance
Abstract
The present invention provides a kind of cool and thermal power integrated energy system optimizing operation methods, described method includes following steps: 1) it is with the cool and thermal power integrated energy system overall operation economy optimal for core, consider the Multiple Time Scales characteristic building system operation totle drilling cost minimum target function of the cool and thermal power integrated energy system；2) the Multiple Time Scales characteristic for considering the cool and thermal power integrated energy system, establishes facility constraints model and power-balance constraint model, as the constraint condition to system operation totle drilling cost minimum target function；3) branch and bound method is used, system operation totle drilling cost minimum target function is solved according to the constraint condition in step 2).Method of the invention is directed to the labyrinth and operation mechanism of cool and thermal power integrated energy system, can be improved efficiency of energy utilization, reduces operating cost, realizes the optimization operation of cool and thermal power integrated energy system.
Description
Technical field
The invention belongs to integrated energy system field, in particular to a kind of cool and thermal power integrated energy system optimizes operation side
Method.
Background technique
Cool and thermal power integrated energy system be it is a kind of foundation on the cascade utilization conceptual foundation of energy, be primary with natural gas
The energy generates the coproduction co-feeding system of thermal energy, electric energy, cold energy.It utilizes small size gas turbine, combustion gas using natural gas as fuel
The high-temperature flue gas obtained after combustion of natural gas is initially used for generating electricity by the equipment such as internal combustion engine, micro turbine, then using waste heat in the winter
Season heating；Pass through driving Absorption Refrigerator cooling supply in summer；Domestic hot-water can also be provided simultaneously, take full advantage of exhaust heat
Amount.Primary energy utilization ratio can be improved to 80% or so, largely save non-renewable energy.
Combustion gas cold, heat and electricity triple supply system can be divided into domain type and two kinds of building type according to the extent of supply.Domain type system
The cool and thermal power energy supply center that system is built primarily directed to biggish regions such as various industry, business or scientific and technological parks.If
It is standby generally to use the biggish unit of capacity, it generally requires to build independent energy supply center, it is also contemplated that cold and hot power supply
Outer net equipment.Building type system is then for the building with specific function, such as office building, mall, hospital and certain synthesis
Property the built cool and thermal power supply system of building, generally only need the lesser unit of capacity, computer room is often arranged in interior of building,
It is built without the concern for outer net.
Compared with traditional centralization power generation, long-range transmission mode, combustion gas thermoelectric cold triple supply can greatly improve the energy
Utilization efficiency: the generating efficiency of big power station is generally 30%~40%；And cool and thermal power integrated energy system using energy source is imitated
Rate is increased to 80~90%, and does not have transmission losses.
Cool and thermal power integrated energy system is substantially a cool and thermal power multiple kinds of energy coupled system, and structure and operation mechanism are multiple
Miscellaneous, a variety of rules are simultaneously deposited and are interacted, and have the characteristics that parametric variable is various, non-linear, uncertain, multi-level, therefore its
System structure and the complicated multiplicity of workflow.Currently, on how to more time rulers with reference to cool and thermal power multiple kinds of energy coupled system
Characteristic is spent, the abundant various energy of cascade utilization realize the efficient complementary supply of the multiple kinds of energies such as hot and cold, electric, improve using energy source
Efficiency reduces operating cost, is still a great problem that operational process is faced.Therefore, in view of the above-mentioned problems, needing to propose one
Specific solution is covered, to improve the optimization operation of cool and thermal power integrated energy system.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of cool and thermal power integrated energy system optimizing operation method, the method
Include the following steps:
1) core is turned to the optimal of cool and thermal power integrated energy system overall operation economy, is based on the cool and thermal power
The Multiple Time Scales characteristic building system of integrated energy system runs totle drilling cost minimum target function；
2) the Multiple Time Scales characteristic based on the cool and thermal power integrated energy system, establishes facility constraints model and power is flat
Weigh restricted model, as the constraint condition to system operation totle drilling cost minimum target function；
3) branch and bound method is used, totle drilling cost minimum mesh is run to the system according to the constraint condition in the step 2)
Scalar functions are solved.
Wherein, system operation totle drilling cost minimum target function is as follows in the step 1):
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1In the regulating cycle of a thermal energy and cold energy
I-th of electric energy regulating cycle；Fgrid(t1,t2,i) it is t1I-th of electric energy in the regulating cycle of a thermal energy and cold energy adjusts week
System power purchase expense in phase；Fgas(t1,t2,i) it is t1I-th of electric energy in the regulating cycle of a thermal energy and cold energy adjusts week
Systems buying natural gas expense in phase；Fmain(t1,t2,i) it is t1I-th of electricity in the regulating cycle of a thermal energy and cold energy
The system equipment maintenance cost being adjustable in the period； Fpoll(t1,t2,i) it is t1In the regulating cycle of a thermal energy and cold energy
Polluted gas control emission expense in i electric energy regulating cycle.
System power purchase expense F described in the system operation totle drilling cost minimum target functiongrid(t1,t2,i) specifically indicate such as
Under:
Fgrid(t1,t2,i)=Pgrid(t1,t2,i)·Δt2·fgrid(t1,t2,i)
Wherein, Δ t2For the time interval of electric energy regulating cycle；Pgrid(t1,t2,i) it is t1The adjusting of a thermal energy and cold energy
The power purchase power of the system in i-th of electric energy regulating cycle in period；fgrid(t1,t2,i) it is t1The tune of a thermal energy and cold energy
Save the Spot Price of the power grid in i-th of electric energy regulating cycle in the period；
Systems buying natural gas expense F described in the system operation totle drilling cost minimum target functiongas(t1,t2,i) tool
Body is expressed as follows:
Fgas(t1,t2,i)=Vgas(t1,t2,i)·Δt2·fgas(t1,t2,i)
Wherein, Vgas(t1,t2,i) it is t1I-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy be
System consumption natural gas volume；Δt2For the time interval of electric energy regulating cycle；fgas(t1,t2,i) it is t1A thermal energy and cold energy
The Gas Prices of i-th of electric energy regulating cycle in regulating cycle；
System equipment maintenance cost F described in the system operation totle drilling cost minimum target functionmain(t1,t2,i) specific
It is expressed as follows:
Fmain(t1,t2,i)=kGE[PGE(t1,t2,i)]·Δt2·PGE(t1,t2,i)+
kAP.cool[QAP.cool(t1,t2,i)]·Δt2·QAP.cool(t1,t2,i)+
kAP.heat[QAP.heat(t1,t2,i)]·Δt2·QAP.heat(t1,t2,i)+
kAC.heat[QAC.heat(t1,t2,i)]·Δt2·QAC.heat(t1,t2,i)
Wherein, kGE[PGE(t1,t2,i)] it is t1I-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Maintenance factor of the gas internal-combustion engine under different output power；PGE(t1,t2,i) it is t1The regulating cycle of a thermal energy and cold energy
The gas internal-combustion engine electromotive power output of i-th interior of electric energy regulating cycle； kAP.cool[QAP.cool(t1,t2,i)] it is t1A heat
It can be with the cold power maintenance factor of the smoke absorption heat-pump apparatus of i-th of electric energy regulating cycle in the regulating cycle of cold energy；
QAP.cool(t1,t2,i) it is t1The smoke absorption heat pump of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Export cold power； kAP.heat[QAP.heat(t1,t2,i)] it is t1I-th of electric energy tune in the regulating cycle of a thermal energy and cold energy
Save the thermal power maintenance factor of the smoke absorption heat-pump apparatus in period；QAP.heat(t1,t2,i) it is t1The tune of a thermal energy and cold energy
The smoke absorption heat pump for saving i-th of electric energy regulating cycle in the period exports thermal power； kAC.heat[QAC.heat(t1,t2,i)] be
T1The maintenance factor of the Absorption Refrigerator of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy；QAC.heat
(t1,t2,i) it is t1What the Absorption Refrigerator of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy absorbed
Thermal power；
Polluted gas control emission expense F described in the system operation totle drilling cost minimum target functionpoll(t1,t2,i)
Specifically it is expressed as follows:
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1In the regulating cycle of a thermal energy and cold energy
I-th of electric energy regulating cycle；Δt2For the time interval of electric energy regulating cycle；λ is the pollutant effulent species number of system, packet
It includes: CO2、SO2、NOx；δλBeing includes CO2、SO2、NOxThe control expense of different emissions inside；αgrid.λFor grid power pair
The emission factor of different emissions； Pgrid(t1,t2,i) it is t1I-th of electric energy tune in the regulating cycle of a thermal energy and cold energy
Save the system in period and the power purchase power of power grid；αGE.λIt is gas internal-combustion engine electrical power to the emission factor of different emissions； PGE
(t1,t2,i) it is t1The power generation function of the gas internal-combustion engine of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Rate.
Facility constraints model described in the step 2) includes gas internal-combustion engine restricted model, cylinder sleeve water- to-water heat exchanger constraint mould
Type, Absorption Refrigerator restricted model, electric boiler restricted model, electric refrigerating machine restricted model, the constraint of smoke absorption heat-pump apparatus
One or more of model, electric energy storage device restricted model, heat accumulation equipment restricted model and photovoltaic power generation unit restricted model
Model.
The gas internal-combustion engine restricted model is as follows:
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1In the regulating cycle of a thermal energy and cold energy
I-th of electric energy regulating cycle；Δt2For the time interval of electric energy regulating cycle；PGE(t1,t2,i) it is t1A thermal energy and cold energy
The generated output of the gas internal-combustion engine of i-th of electric energy regulating cycle in regulating cycle；The generated output P of gas internal-combustion engineGE
(t1,t2,i) in t1It is constant in 4 electric energy regulating cycles in the regulating cycle of a thermal energy and cold energy；ηGE.elec(t1,t2,i)
For t1The generating efficiency of the gas internal-combustion engine of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy；PmaxFor
The rated generation power of gas internal-combustion engine；QGE.heat(t1,t2,i) it is t1I-th of electricity in the regulating cycle of a thermal energy and cold energy
It is adjustable the thermal power of the gas internal-combustion engine output in period；The thermal power Q of gas internal-combustion engine outputGE.heat(t1,t2,i) in t1
It is constant in 4 electric energy regulating cycles in the regulating cycle of a thermal energy and cold energy；ηLFor the inherent loss rate of gas internal-combustion engine；PGE
(t1,t2,iIt -1) is the generated output of the gas internal-combustion engine of a upper electric energy regulating cycle；PGE.maxFor gas internal-combustion engine power output slope
Degree constraint；LHV is the Lower heat value of natural gas；ηgasFor the gas utilization factor of gas internal-combustion engine；a3、a2、a1、a0It is respectively quasi-
Close constant；
The smoke absorption heat pump restricted model is as follows:
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1In the regulating cycle of a thermal energy and cold energy
I-th of electric energy regulating cycle；T(t1,t2,i) it is t1In i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Smoke absorption heat pump inlet temperature；PGE(t1,t2,i) it is t1I-th of electric energy in the regulating cycle of a thermal energy and cold energy
The generated output of the gas internal-combustion engine of regulating cycle；PmaxFor the rated generation power of gas internal-combustion engine；Cw(t1,t2,i) it is t1
The different temperatures hot water specific heat capacity in i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy；COPAP(t1,
t2,i) it is t1The efficiency of the smoke absorption formula heat pump in i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Coefficient；QAP.heat(t1,t2,i) it is t1Flue gas in i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy is inhaled
Receive the heats power of heat pump；QAP.cool(t1,t2,i) it is t1I-th of electric energy in the regulating cycle of a thermal energy and cold energy adjusts week
The refrigeration work consumption of the smoke absorption heat pump of phase；QAP.heat(t1,t2,iIt -1) is upper electric energy regulating cycle smoke absorption heat pump
Heats power；QAP.cool(t1,t2,iIt -1) is the refrigeration work consumption of the smoke absorption heat pump of a upper electric energy regulating cycle；Smoke absorption
The heats power Q of heat pumpAP.heat(t1,t2,i) and refrigeration work consumption QAP.cool(t1,t2,i) in t1The adjusting week of a thermal energy and cold energy
It is constant in 4 electric energy regulating cycles in phase；λheat(t1,t2,i)、λcool(t1,t2,i) it is respectively t1The tune of a thermal energy and cold energy
Save the flue gas heating ratio and refrigeration ratio of the smoke absorption heat pump of i-th of electric energy regulating cycle in the period；Theat、TcoolPoint
It Wei not hot water outlet temperature and cold water outlet temperature；Lheat(t1,t2,i)、Lcool(t1,t2,i) it is respectively t1A thermal energy and cold energy
Regulating cycle in i-th of electric energy regulating cycle smoke absorption heat pump hot water and cold water flow；Lheat.max、Lcool.max
Respectively maximum heating, refrigeration flow；ηAP.heat、ηAP.coolThe respectively heating of smoke absorption heat pump and refrigerating efficiency；
QAP.heat.maxFor the heats power power output Slope Constraints of smoke absorption heat pump；QAP.cool.maxFor the refrigeration function of smoke absorption heat pump
Rate power output Slope Constraints；b5、b4、b3、b2、b1、 b0Respectively fitting constant；
The cylinder sleeve water- to-water heat exchanger restricted model is as follows:
QJW(t1,t2,i)=ηJW·QGE.heat(t1,t2,i)
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1In the regulating cycle of a thermal energy and cold energy
I-th of electric energy regulating cycle；QJW(t1,t2,i) it is t1I-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Cylinder sleeve water- to-water heat exchanger heat outputting power；ηJWFor the heat exchange efficiency of cylinder sleeve water- to-water heat exchanger；QGE.heat(t1,t2,i) it is t1A thermal energy
The thermal power exported with the gas internal-combustion engine of i-th of electric energy regulating cycle in the regulating cycle of cold energy；
The Absorption Refrigerator restricted model is as follows:
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；Qac.heat(t1) it is t1The regulating cycle of a thermal energy and cold energy
Absorption Refrigerator absorb thermal power；Qac.cool(t1) it is t1The absorption refrigeration of the regulating cycle of a thermal energy and cold energy
The cold power of machine output；Qac.cool(t1It -1) is the Absorption Refrigerator refrigeration work consumption of upper a thermal energy and cold energy regulating cycle；
COPacFor the energy efficiency coefficient of Absorption Refrigerator；Qac.heat.min、 Qac.heat.maxRespectively Absorption Refrigerator absorb minimum,
Maximum thermal power；Qac.cool.maxFor the power output Slope Constraints of Absorption Refrigerator；
The electric boiler restricted model is as follows:
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1In the regulating cycle of a thermal energy and cold energy
I-th of electric energy regulating cycle；PEB(t1,t2,i) it is t1I-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Electric boiler input electric power；QEB(t1,t2,i) it is t1I-th of electric energy in the regulating cycle of a thermal energy and cold energy adjusts week
The electric boiler of phase exports thermal power；QEB(t1,t2,iIt -1) is the output thermal power of upper electric energy regulating cycle electric boiler；COPEB
For the energy coefficient processed of electric boiler；PEB.min、 PEB.maxRespectively electric boiler minimum, maximum electric power；QEB.maxFor going out for electric boiler
Power Slope Constraints；
The electric refrigerating machine restricted model is as follows:
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1In the regulating cycle of a thermal energy and cold energy
I-th of electric energy regulating cycle；PEC(t1,t2,i) it is t1I-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Electric refrigerating machine input electric power；QEC(t1,t2,i) it is t1I-th of electric energy tune in the regulating cycle of a thermal energy and cold energy
Save the cold power of output of the electric refrigerating machine in period； QEC(t1,t2,iIt -1) is the output of upper electric energy regulating cycle electric refrigerating machine
Cold power；COPECFor the energy efficiency coefficient of electric refrigerating machine；PEC.min、PEC.maxRespectively electric refrigerating machine minimum, maximum electric power；
QEC.maxFor the power output Slope Constraints of electric refrigerating machine；
The photovoltaic power generation unit restricted model is as follows:
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1In the regulating cycle of a thermal energy and cold energy
I-th of electric energy regulating cycle；PPV(t1,t2,i) it is t1I-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Photovoltaic power generation unit realtime power；PSTCFor the nominal output of photovoltaic power generation unit；GING(t1,t2,i) it is t1A thermal energy and
The real-time irradiation intensity of i-th of electric energy regulating cycle in the regulating cycle of cold energy；GSTCFor the specified irradiation of photovoltaic power generation unit
Intensity；K is the power generation coefficient of photovoltaic power generation unit；Tout(t1,t2,i) it is t1I-th in the regulating cycle of a thermal energy and cold energy
The ambient temperature of a electric energy regulating cycle；TsFor the reference temperature of generating set；
The electric energy storage device restricted model is as follows:
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1In the regulating cycle of a thermal energy and cold energy
I-th of electric energy regulating cycle；Δt2For the time interval of electric energy regulating cycle；Ebatt(t1,t2,i) it is t1A thermal energy and cold energy
Regulating cycle in i-th of electric energy regulating cycle electric energy storage device real time capacity； kLIt is from being lost for the electric energy of electric energy storage device
Number；ηbatt.chaFor the charge efficiency of electric energy storage device；ηbatt.disFor the discharging efficiency of electric energy storage device；Pbatt.cha(t1,t2,i) it is t1
The charge power of the electric energy storage device of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy；Pbatt.dis(t1,
t2,i) it is t1The discharge power of the electric energy storage device of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy；
Pbatt.dis.max、Pbatt.dis.minThe respectively most large and small discharge power of electric energy storage device；Pbatt.cha.max、Pbatt.cha.minRespectively store up
Electric equipment maximum, minimum charge power；Ebatt.max、Ebatt.minRespectively maximum, the minimum storage capacity of electric energy storage device；
The heat accumulation equipment restricted model is as follows:
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1In the regulating cycle of a thermal energy and cold energy
I-th of electric energy regulating cycle；Δt2For the time interval of electric energy regulating cycle；Bstor(t1,t2,i) it is t1A thermal energy and cold energy
Regulating cycle in i-th of electric energy regulating cycle heat accumulation equipment real time capacity； ksIt is from being lost for the thermal energy of heat accumulation equipment
Number；ηstor.chaFor the heat absorption efficiency of heat accumulation equipment；ηstor.disFor the exothermal efficiency of heat accumulation equipment；Qstor.cha(t1,t2,i) it is t1
The Endothermic power of the heat accumulation equipment of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy；Qstor.dis(t1,
t2,i) it is t1The heat release power of the heat accumulation equipment of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy；
Qstor.cha.max、Qstor.cha.minThe respectively maximum of heat accumulation equipment, minimum Endothermic power；Qstor.dis.max、Qstor.dis.minRespectively
Maximum, minimum heat release power for heat accumulation equipment；Bstor.max、Bstor.minRespectively the maximum of heat accumulation equipment, minimum heat accumulation hold
Amount.
Set described in the step 2) power-balance constraint model include electrical power Constraints of Equilibrium model, heating power balance about
Beam model and cold power-balance constraint model.
The electrical power Constraints of Equilibrium model is as follows:
Pgrid(t1,t2,i)+PPV(t1,t2,i)+PGE(t1,t2,i)+Pbatt.dis(t1,t2,i)·Dbatt.dis(t1,t2,i)=
Pbatt.cha(t1,t2,i)·Dbatt.cha(t1,t2,i)+Pele(t1,t2,i)+PEB(t1,t2,i)+PEC(t1,t2,i)
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1In the regulating cycle of a thermal energy and cold energy
I-th of electric energy regulating cycle；Pgrid(t1,t2,i) it is t1I-th of electric energy in the regulating cycle of a thermal energy and cold energy adjusts week
The grid power of phase；PPV(t1,t2,i) it is t1The light of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Lie prostrate unit realtime power；PGE(t1,t2,i) it is t1I-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
The generated output of gas internal-combustion engine； Pbatt.dis(t1,t2,i)、Pbatt.cha(t1,t2,i) it is respectively t1The tune of a thermal energy and cold energy
Save electric discharge, the charge power of the electric energy storage device of i-th of electric energy regulating cycle in the period, Dbatt.dis(t1,t2,i)、Dbatt.cha
(t1,t2,i) it is respectively t1The electric energy storage device of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy is put
Electricity, charge variable；Pele(t1,t2,i) it is t1The electric power of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Load；PEB(t1,t2,i) it is t1The electric boiler of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy disappears
Power consumption；PEC(t1,t2,i) it is t1The electricity refrigeration of i-th electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Machine consumption of electric power；
The heating power balance restricted model is as follows:
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1In the regulating cycle of a thermal energy and cold energy
I-th of electric energy regulating cycle；QJW(t1,t2,i) it is t1I-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Cylinder sleeve water- to-water heat exchanger output thermal power；QAP.heat(t1,t2,i) it is t1I-th in the regulating cycle of a thermal energy and cold energy
The output thermal power of the smoke absorption heat pump of electric energy regulating cycle；QEB(t1,t2,i) it is t1The regulating cycle of a thermal energy and cold energy
The output thermal power of the electric boiler of i-th interior of electric energy regulating cycle；Qstor.dis(t1)、Qstor.cha(t1) it is respectively t1A heat
The heat release of the heat accumulation equipment of the regulating cycle of energy and cold energy, Endothermic power, Dstor.dis(t1)、Dstor.cha(t1) it is respectively t1It is a
The heat release of the heat accumulation equipment of the regulating cycle of thermal energy and cold energy, heat absorption variable；Qheat(t1) it is t1The adjusting of a thermal energy and cold energy
The heating power load in period；QAC.heat(t1) it is t1The hot merit that the Absorption Refrigerator of the regulating cycle of a thermal energy and cold energy absorbs
Rate；
The cold power-balance constraint model is as follows:
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1In the regulating cycle of a thermal energy and cold energy
I-th of electric energy regulating cycle；QAC.cool(t1) it is t1The Absorption Refrigerator of the regulating cycle of a thermal energy and cold energy exports cold
Power；QEC(t1,t2,i) it is t1The electric refrigerating machine of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy is defeated
Cold power out；QAP.cool(t1,t2,i) it is t1The cigarette of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
The cold power of aspiration heat pump output； Qcool(t1) it is t1The system external of the regulating cycle of a thermal energy and cold energy exports
Cold power.
Solution described in the step 3) specifically comprises the following steps:
Known parameters are inputted, relax constraint condition, by former PROBLEM DECOMPOSITION at numerous subproblems；
For subproblem solve, judge whether obtained subproblem solution is feasible solution, if it is judged that be it is yes, then count
Calculation process terminates；
If the judgment is No, then the subproblem solution is set as the former problem upper bound, feasible solution maximum target is set as original and is asked
Lower bound is inscribed, and is made comparisons to the upper bound with the lower bound；
If described previous greater than the lower bound, again to sub- problem solving；It is former if described previous less than the lower bound
Problem terminates without solution, calculating process.
The present invention is directed to the structure and operation mechanism of cool and thermal power integrated energy system, proposes a set of specific solution party
Case.Multiple Time Scales characteristic based on cool and thermal power integrated energy system, the abundant various energy of cascade utilization are realized hot and cold, electric etc.
The efficient complementary supply of multiple kinds of energy, improves efficiency of energy utilization, reduces operating cost, realize cool and thermal power comprehensive energy
The optimization of system is run.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by specification, right
Pointed structure is achieved and obtained in claim and attached drawing.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 shows a kind of topology diagram of cool and thermal power integrated energy system of the embodiment of the present invention；
Fig. 2 shows the optimization operation restricted model solutions for the cool and thermal power integrated energy system that the embodiment of the present invention is proposed
Method flow diagram.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention clearly and completely illustrated, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The working principle of cool and thermal power integrated energy system:
Fig. 1 is the topology diagram of one of embodiment of the present invention cool and thermal power integrated energy system.As shown in Figure 1, cold
Thermoelectricity integrated energy system capital equipment includes gas internal-combustion engine, cylinder sleeve water- to-water heat exchanger, Absorption Refrigerator, electric boiler, electricity system
Cold and smoke absorption heat-pump apparatus, and it is equipped with two kinds of storage, heat accumulation energy storage devices, in order to improve the infiltration of renewable energy
Saturating rate, system have also accessed photovoltaic power generation unit, and access power grid and guarantee have sufficient electric energy to use for electric load.
Cool and thermal power integrated energy system is micro- energy net rank, using gas internal-combustion engine as the system of core.Gas internal-combustion engine
By consuming natural gas, output electric energy directly feeds electric load.The hot steam that gas internal-combustion engine generates when working then passes through cylinder
Set water- to-water heat exchanger is converted into hot water supply heating power load.Meanwhile the flue gas generated when combustion of natural gas can be by smoke absorption warm
Pump receives, and is worked by smoke absorption operation of heat pump and is converted into thermal energy and cold energy directly feeds user.
It is insufficient to make up cold energy supply when thermal energy supplies abundance and cold energy supply is insufficient, it can be inhaled by Absorption Refrigerator
Receiving portions thermal energy is converted into cold energy supply load and uses.When electric energy supplies abundance and cooling supply or heat supply deficiency, can pass through
Electric boiler absorption electric energy is converted into thermal energy or electric refrigerating machine absorbs electric energy and is converted into cold energy supplement.Storage is also added into system
Electricity, heat accumulation equipment, to guarantee system, there are enough power capacity nargin, to guarantee the stability of system.In addition, photovoltaic is sent out
The active of motor group accesses, and has not only improved the permeability of system new energy, but also increase the feature of environmental protection and economic benefit of system.When
When power budget demand is larger, system can be interacted with power grid, but in order to reduce system and electric network information channel and physical channel
Construction cost and Cost for Coordination, the system in the present embodiment use " grid-connected not surf the Internet " principle, electric energy is bought to power grid, with more
The electric energy vacancy of complement system guarantees system stable operation.
P in Fig. 1eleIndicate the electrical power of the system external output；PGEIndicate the generated output of gas internal-combustion engine；Pgrid
Indicate grid power；PPVIndicate the generated output of photovoltaic power generation unit；PEBIndicate the input electric power of electric boiler；PECIndicate electricity
The input electric power of refrigeration machine；QGEIndicate the output thermal power of gas internal-combustion engine；QJWIndicate the output hot merit of cylinder sleeve water- to-water heat exchanger
Rate；QEBIndicate the output thermal power of electric boiler；QAP.heatIndicate the output thermal power of smoke absorption heat pump；QheatIndicate the system
The thermal power that system externally exports；QAC.heatIndicate the input thermal power of Absorption Refrigerator；QAC.coolIndicate Absorption Refrigerator
Export cold power；QAP.coolIndicate the cold power of output of smoke absorption heat pump；QECIndicate the cold power of output of electric refrigerating machine；Qcool
Indicate the cold power of the system external output.
Consider the optimization operation of the cool and thermal power integrated energy system of Multiple Time Scales:
For the comprehensive energy efficiency for improving the cool and thermal power integrated energy system, stable equilibrium's output of cold and hot electric energy is realized,
And cut operating costs, the invention proposes a kind of optimizing operation method of cool and thermal power integrated energy system, the method includes
Following content:
Since each equipment exports the time scale of hot and cold, electric three kinds of energy not inside the cool and thermal power integrated energy system
Together, there is Multiple Time Scales characteristics for the cool and thermal power integrated energy system.In embodiments of the present invention, by thermal energy and cold energy
Regulating cycle is set to 1 hour, and the regulating cycle of electric energy is set to 15 minutes, i.e., in a regulating cycle of thermal energy and cold energy,
Comprising 4 electric energy regulating cycles, thermal energy and cold energy are adjusted in each hour integral point respectively, in the 0th point of each hour
Clock is mediated electric energy in the 15th minute, the 30th minute, the 45th minute.
Method proposed by the invention in conjunction with the cool and thermal power integrated energy system Multiple Time Scales characteristic, with described cold
Optimal thermoelectricity integrated energy system overall operation economy is core, constructs system operation totle drilling cost minimum target function.
Meanwhile the method is in conjunction with the Multiple Time Scales characteristic of the cool and thermal power integrated energy system, to including in system
Gas internal-combustion engine, cylinder sleeve water- to-water heat exchanger, Absorption Refrigerator, electric boiler, electric refrigerating machine, smoke absorption heat-pump apparatus, storage are set
Standby, heat accumulation equipment key equipment and photovoltaic generator group establish facility constraints model.
Also, the method is the power-balance for meeting the cold power of the internal system, thermal power, electrical power, in conjunction with institute
The Multiple Time Scales characteristic for stating cool and thermal power integrated energy system, establishes power-balance constraint model.
The method is fixed using branch using the facility constraints model and power-balance constraint model as constraint condition
Boundary's method solves system operation totle drilling cost minimum target function, and solving result is the system operation totle drilling cost
Minimum value, while meeting each device constraints and power-balance constraint condition of the minimum value of the system operation totle drilling cost
The optimal operation scheme of the as described system.The present embodiment will be further elaborated the method:
The system operation totle drilling cost minimum target function is as follows:
In formula (1.1), t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1The regulating cycle of a thermal energy and cold energy
I-th interior of electric energy regulating cycle；Fgrid(t1,t2,i) it is t1I-th of electric energy tune in the regulating cycle of a thermal energy and cold energy
Save the system power purchase expense in the period；Fgas(t1,t2,i) it is t1I-th of electric energy tune in the regulating cycle of a thermal energy and cold energy
Save the systems buying natural gas expense in the period； Fmain(t1,t2,i) it is t1I-th in the regulating cycle of a thermal energy and cold energy
System equipment maintenance cost in a electric energy regulating cycle；Fpoll(t1,t2,i) it is t1In the regulating cycle of a thermal energy and cold energy
I-th of electric energy regulating cycle in polluted gas control emission expense.
In formula (1.1), system power purchase expense is specifically expressed as follows:
Fgrid(t1,t2,i)=Pgrid(t1,t2,i)·Δt2·fgrid(t1,t2,i) (1.2)
In formula (1.2), t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1The regulating cycle of a thermal energy and cold energy
I-th interior of electric energy regulating cycle；Δt2For the time interval of electric energy regulating cycle； Pgrid(t1,t2,i) it is t1A thermal energy and
The power purchase power of the system and power grid in i-th of electric energy regulating cycle in the regulating cycle of cold energy；fgrid(t1,t2,i) it is t1
The Spot Price of the power grid in i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy.Formula (1.2) solves
It obtains in Δ t2The system power purchase expense of period.
In formula (1.1), systems buying natural gas expense is specifically expressed as follows:
Fgas(t1,t2,i)=Vgas(t1,t2,i)·Δt2·fgas(t1,t2,i) (1.3)
In formula (1.3), Vgas(t1,t2,i) it is t1I-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Interior system consumption natural gas volume；Δt2For the time interval of electric energy regulating cycle； fgas(t1,t2,i) it is t1A thermal energy and
The Gas Prices in i-th of electric energy regulating cycle in the regulating cycle of cold energy.Formula (1.3) solution can be obtained in Δ t2Phase
Between systems buying natural gas expense.
In formula (1.1), system equipment maintenance cost is specifically expressed as follows:
In formula (1.4), t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1The regulating cycle of a thermal energy and cold energy
I-th interior of electric energy regulating cycle；Δt2For the time interval of electric energy regulating cycle； kGE[PGE(t1,t2,i)] it is t1A heat
Maintenance system of the gas internal-combustion engine of i-th of electric energy regulating cycle in the regulating cycle of energy and cold energy under different output power
Number；PGE(t1,t2,i) it is t1The gas internal-combustion engine in i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Electromotive power output； kAP.cool[QAP.cool(t1,t2,i)] it is t1I-th of electric energy tune in the regulating cycle of a thermal energy and cold energy
Save the cold power maintenance factor of the smoke absorption heat-pump apparatus in the period；QAP.cool(t1,t2,i) it is t1A thermal energy and cold energy
Smoke absorption heat pump in i-th of electric energy regulating cycle in regulating cycle exports cold power； kAP.heat[QAP.heat(t1,
t2,i)] it is t1The smoke absorption heat-pump apparatus in i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Thermal power maintenance factor；QAP.heat(t1,t2,i) it is t1I-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Smoke absorption heat pump export thermal power； kAC.heat[QAC.heat(t1,t2,i)] it is t1In the regulating cycle of a thermal energy and cold energy
I-th of electric energy regulating cycle Absorption Refrigerator maintenance factor；QAC.heat(t1,t2,i) it is t1A thermal energy and cold energy
The thermal power that the Absorption Refrigerator of i-th of electric energy regulating cycle in regulating cycle absorbs.Formula (1.4) solution can be obtained
Δt2The system equipment maintenance cost of period.
In formula (1.1), polluted gas control emission expense is specifically expressed as follows:
In formula (1.5), t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1The regulating cycle of a thermal energy and cold energy
I-th interior of electric energy regulating cycle；Δt2For the time interval of electric energy regulating cycle；λ is the pollutant effulent species number of system,
The pollutant effulent includes: CO2、SO2、NOx；δλBeing includes CO2、SO2、NOxThe control expense of pollutant effulent inside；
αgrid.λIt is grid power to the emission factor of different emissions；Pgrid(t1,t2,i) it is t1The regulating cycle of a thermal energy and cold energy
The power purchase power of system and power grid in i-th interior electric energy regulating cycle；αGE.λIt is gas internal-combustion engine electrical power to different rows
Put the emission factor of object；PGE(t1,t2,i) it is t1In i-th electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Gas internal-combustion engine generated output.Formula (1.5) solution can be obtained in Δ t2The polluted gas control emission expense of period.
To the system operation totle drilling cost minimum target function constraint condition mainly include facility constraints model constraint and
The constraint of power-balance constraint model.
For the facility constraints model, Multiple Time Scales of the method for the present invention in conjunction with the cool and thermal power integrated energy system
Characteristic, respectively in system include gas internal-combustion engine, cylinder sleeve water- to-water heat exchanger, Absorption Refrigerator, electric boiler, electric refrigerating machine, cigarette
Aspiration heat-pump apparatus, electric energy storage device, the key equipment of heat accumulation equipment and photovoltaic generator group establish facility constraints model.
The restricted model of the equipment is specific as follows:
Gas internal-combustion engine restricted model:
In gas internal-combustion engine restricted model formula (2.1), t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1It is a
I-th of electric energy regulating cycle in the regulating cycle of thermal energy and cold energy；Δt2For the time interval of electric energy regulating cycle；PGE(t1,
t2,i) it is t1The power generation function of the gas internal-combustion engine in i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Rate；The generated output P of gas internal-combustion engineGE(t1,t2,i) in t14 electric energy in the regulating cycle of a thermal energy and cold energy are adjusted
It is constant in period (i.e. one hour)；ηGE.elec(t1,t2,i) be gas internal-combustion engine generating efficiency；PmaxFor the volume of gas internal-combustion engine
Determine generated output； QGE.heat(t1,t2,i) it is t1In i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Gas internal-combustion engine output thermal power；The thermal power Q of gas internal-combustion engine outputGE.heat(t1,t2,i) in t1A thermal energy and cold
It is constant in 4 electric energy regulating cycles (i.e. one hour) in the regulating cycle of energy；ηLFor the inherent loss rate of gas internal-combustion engine；PGE
(t1,t2,iIt -1) is the generated output of the gas internal-combustion engine of a upper electric energy regulating cycle；PGE.maxFor gas internal-combustion engine power output slope
Degree constraint；LHV is the Lower heat value of natural gas；ηgasFor the gas utilization factor of gas internal-combustion engine；a3、a2、a1、a0It is respectively quasi-
Close constant.
Smoke absorption heat pump restricted model:
In smoke absorption heat pump restricted model formula (2.2), t1Represent the regulating cycle of thermal energy and cold energy； t2,iRepresent
t1I-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy；T(t1,t2,i) it is t1The tune of a thermal energy and cold energy
Save the inlet temperature of the smoke absorption heat pump in i-th of electric energy regulating cycle in the period；PGE(t1,t2,i) it is t1A thermal energy
With the generated output of the gas internal-combustion engine in i-th of electric energy regulating cycle in the regulating cycle of cold energy；PmaxFor gas internal-combustion engine
Rated generation power；Cw(t1,t2,i) it is t1In i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Different temperatures hot water specific heat capacity；COPAP(t1,t2,i) it is t1I-th of electric energy in the regulating cycle of a thermal energy and cold energy is adjusted
The energy efficiency coefficient of smoke absorption formula heat pump in period；QAP.heat(t1,t2,i) it is t1In the regulating cycle of a thermal energy and cold energy
I-th of electric energy regulating cycle in smoke absorption heat pump heats power；QAP.cool(t1,t2,i) it is t1A thermal energy and cold
The refrigeration work consumption of the smoke absorption heat pump in i-th of electric energy regulating cycle in the regulating cycle of energy；QAP.heat(t1,t2,i- 1) it is
The heats power of upper electric energy regulating cycle smoke absorption heat pump；QAP.cool(t1,t2,iIt -1) is a upper electric energy regulating cycle
Smoke absorption heat pump refrigeration work consumption；, smoke absorption heat pump heats power QAP.heat(t1,t2,i) and refrigeration work consumption QAP.cool
(t1,t2,i) in t1It is constant in 4 electric energy regulating cycles (i.e. one hour) in the regulating cycle of a thermal energy and cold energy；λheat
(t1,t2,i)、λcool(t1,t2,i) it is respectively t1In i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Smoke absorption heat pump flue gas heating ratio and refrigeration ratio；Theat、TcoolRespectively hot water outlet temperature and cooling water outlet temperature
Degree；Lheat(t1,t2,i)、Lcool(t1,t2,i) it is respectively t1I-th of electric energy in the regulating cycle of a thermal energy and cold energy adjusts week
The hot water and cold water flow of smoke absorption heat pump in phase；Lheat.max、Lcool.maxRespectively maximum heating, refrigeration flow；
ηAP.heat、ηAP.coolThe respectively heating of smoke absorption heat pump and refrigerating efficiency； QAP.heat.maxFor the heating of smoke absorption heat pump
Power output Slope Constraints；QAP.cool.maxFor the refrigeration work consumption power output Slope Constraints of smoke absorption heat pump；b5、b4、b3、b2、b1、b0
Respectively fitting constant.
Cylinder sleeve water- to-water heat exchanger restricted model:
QJW(t1,t2,i)=ηJW·QGE.heat(t1,t2,i) (2.3)
In cylinder sleeve water- to-water heat exchanger restricted model formula (2.3), t1Represent the regulating cycle of thermal energy and cold energy； t2,iRepresent
t1I-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy；QJW(t1,t2,i) it is t1The tune of a thermal energy and cold energy
Save the cylinder sleeve water- to-water heat exchanger heat outputting power in i-th of electric energy regulating cycle in the period；ηJWFor the heat exchange of cylinder sleeve water- to-water heat exchanger
Efficiency；QGE.heat(t1,t2,i) it is t1In the combustion gas in i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
The thermal power of combustion engine output.
Absorption Refrigerator restricted model:
In Absorption Refrigerator restricted model formula (2.4), t1Represent the regulating cycle of thermal energy and cold energy； Qac.heat(t1)
For t1The thermal power that the Absorption Refrigerator of the regulating cycle of a thermal energy and cold energy absorbs；Qac.cool(t1) it is t1A thermal energy
The cold power exported with the Absorption Refrigerator of the regulating cycle of cold energy； Qac.cool(t1- 1) it is adjusted for a upper thermal energy and cold energy
The Absorption Refrigerator refrigeration work consumption in period；COPacFor the energy efficiency coefficient of Absorption Refrigerator；Qac.heat.min、Qac.heat.maxPoint
It Wei not the Absorption Refrigerator minimum, the maximum thermal power that absorb；Qac.cool.maxFor the power output Slope Constraints of Absorption Refrigerator.
Electric boiler restricted model:
In electric boiler restricted model formula (2.5), t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1A thermal energy
With i-th of electric energy regulating cycle in the regulating cycle of cold energy；PEB(t1,t2,i) it is t1The regulating cycle of a thermal energy and cold energy
Electric boiler input electric power in i-th interior of electric energy regulating cycle； QEB(t1,t2,i) it is t1The adjusting of a thermal energy and cold energy
Electric boiler in i-th of electric energy regulating cycle in period exports thermal power；QEB(t1,t2,i- 1) week is adjusted for a upper electric energy
The output thermal power of phase electric boiler； COPEBFor the energy coefficient processed of electric boiler；PEB.min、PEB.maxRespectively electric boiler is minimum, maximum
Electrical power； QEB.maxFor the power output Slope Constraints of electric boiler.
Electric refrigerating machine restricted model:
In electric refrigerating machine restricted model formula (2.6), t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1A heat
It can be with i-th of electric energy regulating cycle in the regulating cycle of cold energy；PEC(t1,t2,i) it is t1The adjusting week of a thermal energy and cold energy
The input electric power of the electric refrigerating machine in i-th of electric energy regulating cycle in phase；QEC(t1,t2,i) it is t1A thermal energy and cold energy
Regulating cycle in i-th of electric energy regulating cycle in electric refrigerating machine the cold power of output；QEC(t1,t2,iIt -1) is upper one
The cold power of output of electric energy regulating cycle electric refrigerating machine；COPECFor the energy efficiency coefficient of electric refrigerating machine；PEC.min、PEC.maxIt is respectively electric
Refrigeration machine minimum, maximum electric power；QEC.maxFor the power output Slope Constraints of electric refrigerating machine.
Photovoltaic power generation unit restricted model:
In photovoltaic power generation unit restricted model formula (2.7), t1Represent the regulating cycle of thermal energy and cold energy； t2,iRepresent
t1I-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy；PPV(t1,t2,i) it is t1The tune of a thermal energy and cold energy
Save the realtime power of the photovoltaic power generation unit in i-th of electric energy regulating cycle in the period；PSTCFor the specified of photovoltaic power generation unit
Power output；GING(t1,t2,i) it is t1The real-time irradiation in i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Intensity；GSTCFor the specified irradiation intensity of photovoltaic power generation unit；K is the power generation coefficient of photovoltaic power generation unit；Tout(t1,t2,i) be
T1The ambient temperature in i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy；TsFor the reference of generating set
Temperature.
Electric energy storage device restricted model:
In electric energy storage device restricted model formula (2.8), t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1A heat
It can be with i-th of electric energy regulating cycle in the regulating cycle of cold energy；Δt2For the time interval of electric energy regulating cycle；Ebatt(t1,
t2,i) it is t1The electric energy storage device real time capacity in i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy；kLFor
The electric energy of electric energy storage device is from loss factor；ηbatt.chaFor the charge efficiency of electric energy storage device；ηbatt.disIt is imitated for the electric discharge of electric energy storage device
Rate；Pbatt.cha(t1,t2,i) it is t1The storage in i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy is set
Standby charge power； Pbatt.dis(t1,t2,i) it is t1I-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
The discharge power of interior electric energy storage device；Pbatt.dis.max、Pbatt.dis.minThe respectively most large and small discharge power of electric energy storage device；
Pbatt.cha.max、Pbatt.cha.minRespectively electric energy storage device maximum, minimum charge power；Ebatt.max、Ebatt.minRespectively storage is set
Standby maximum, minimum storage capacity.
Heat accumulation equipment restricted model:
In heat accumulation equipment restricted model (2.9), t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1A thermal energy and
I-th of electric energy regulating cycle in the regulating cycle of cold energy；Δt2For the time interval of electric energy regulating cycle；Bstor(t1,t2,i)
For t1The heat accumulation equipment real time capacity in i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy；ksFor heat accumulation
The thermal energy of equipment is from loss factor；ηstor.chaFor the heat absorption efficiency of heat accumulation equipment；ηstor.disFor the exothermal efficiency of heat accumulation equipment；
Qstor.cha(t1,t2,i) it is t1The heat accumulation equipment in i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Endothermic power； Qstor.dis(t1,t2,i) it is t1In i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
The heat release power of heat accumulation equipment；Qstor.cha.max、Qstor.cha.minThe respectively maximum of heat accumulation equipment, minimum Endothermic power；
Qstor.dis.max、Qstor.dis.minThe respectively maximum of heat accumulation equipment, minimum heat release power；Bstor.max、Bstor.minRespectively heat accumulation
The maximum of equipment, minimum heat storage capacity.
Constraint condition to system operation totle drilling cost minimum target function mainly includes except above equipment restricted model
In addition, method provided by the present invention is the power-balance for meeting hot and cold, electric three, and having also set up includes that electrical power balances about
The power-balance constraint model of beam model, heating power balance restricted model and cold power-balance constraint model.The power-balance
Restricted model is specific as follows:
Electrical power Constraints of Equilibrium model:
In electrical power Constraints of Equilibrium model formation (3.1), t1Represent the regulating cycle of thermal energy and cold energy； t2,iRepresent t1
I-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy；Pgrid(t1,t2,i) it is t1The tune of a thermal energy and cold energy
Save the grid power in i-th of electric energy regulating cycle in the period； PPV(t1,t2,i) it is t1The adjusting week of a thermal energy and cold energy
The photovoltaic unit realtime power in i-th of electric energy regulating cycle in phase；PGE(t1,t2,i) it is t1The tune of a thermal energy and cold energy
Save the generated output of the gas internal-combustion engine of i-th of electric energy regulating cycle in the period；Pbatt.dis(t1,t2,i)、Pbatt.cha(t1,
t2,i) it is respectively t1The electric discharge of the electric energy storage device in i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy,
Charge power, Dbatt.dis(t1,t2,i)、Dbatt.cha(t1,t2,i) it is respectively t1In the regulating cycle of a thermal energy and cold energy
The electric discharge of electric energy storage device in i electric energy regulating cycle, charge variable；Pele(t1,t2,i) it is electric load；PEB(t1,t2,i) be
T1The consumption of electric power of the electric boiler in i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy；PEC(t1,
t2,i) it is t1The electric refrigerating machine consumption of electric power in i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy.
Heating power balance restricted model:
In heating power balance restricted model formula (3.2), t1Represent the regulating cycle of thermal energy and cold energy； t2,iRepresent t1
I-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy；QJW(t1,t2,i) it is t1The tune of a thermal energy and cold energy
Save the output thermal power of the cylinder sleeve water- to-water heat exchanger in i-th of electric energy regulating cycle in the period；QAP.heat(t1,t2,i) it is t1It is a
The output thermal power of the smoke absorption heat pump in i-th of electric energy regulating cycle in the regulating cycle of thermal energy and cold energy；QEB(t1,
t2,i) it is t1The output thermal power of the electric boiler in i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy；
Qstor.dis(t1)、 Qstor.cha(t1) it is respectively t1Heat release, the heat absorption of heat accumulation equipment in the regulating cycle of a thermal energy and cold energy
Power, Dstor.dis(t1)、Dstor.cha(t1) it is respectively t1The heat release of heat accumulation equipment in the regulating cycle of a thermal energy and cold energy,
Absorb heat variable；Qheat(t1) it is t1Heating power load in the regulating cycle of a thermal energy and cold energy； QAC.heat(t1) it is t1A heat
The thermal power that can be absorbed with the Absorption Refrigerator in the regulating cycle of cold energy.
Cold power-balance constraint model:
In cold power-balance constraint model formation (3.3), t1Represent the regulating cycle of thermal energy and cold energy； t2,iRepresent t1
I-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy；QAC.cool(t1) it is t1The adjusting of a thermal energy and cold energy
The cold power of Absorption Refrigerator output in period；QEC(t1,t2,i) it is t1In the regulating cycle of a thermal energy and cold energy
The cold power of electric refrigerating machine output in i electric energy regulating cycle；QAP.cool(t1,t2,i) it is t1The adjusting of a thermal energy and cold energy
The cold power of smoke absorption heat pump output in i-th of electric energy regulating cycle in period；Qcool(t1) it is t1A thermal energy and cold
The cold power of system external output in the regulating cycle of energy.
The optimization operation restricted model order for the cool and thermal power integrated energy system that invention described above is proposed is higher,
Dimension is big, it is difficult to be calculated with general method for solving.Therefore, branch-bound algorithm solving optimization model is used herein.Fig. 2 is this hair
The optimization of bright proposed cool and thermal power integrated energy system runs restricted model method for solving flow chart, and specific calculating process is such as
Under:
Known parameters are inputted first, relax constraint condition, by former PROBLEM DECOMPOSITION at numerous subproblems.It is directed to subproblem later
Optimal solution is sought, judges whether obtained subproblem optimal solution is feasible solution, is then most with the conclusion if it is judged that being yes
Excellent solution, calculating process terminate；If the judgment is No, then optimal solution is set as the former problem upper bound, feasible solution maximum target is set as
Former problem lower bound, and make comparisons to the upper bound with lower bound.If previous be greater than lower bound, subproblem solution procedure is returned to, again antithetical phrase
Problem seeks optimal solution；If previous be less than lower bound, without solution, calculating process terminates former problem.
Method of the invention is directed to the labyrinth and operation mechanism of cool and thermal power integrated energy system, comprehensive based on cool and thermal power
The Multiple Time Scales characteristic of energy resource system proposes a set of specific solution.The various energy of abundant cascade utilization, are realized
The efficient complementary supply of the multiple kinds of energies such as hot and cold, electric, improves efficiency of energy utilization, reduces operating cost, realize cold and hot
The optimization of electric integrated energy system is run.
Although the present invention is described in detail referring to the foregoing embodiments, those skilled in the art should manage
Solution: it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (8)
1. a kind of cool and thermal power integrated energy system optimizing operation method, which is characterized in that described method includes following steps:
1) core is turned to the optimal of cool and thermal power integrated energy system overall operation economy, it is comprehensive based on the cool and thermal power
The Multiple Time Scales characteristic building system of energy resource system runs totle drilling cost minimum target function；
2) the Multiple Time Scales characteristic based on the cool and thermal power integrated energy system, establishes facility constraints model and power-balance about
Beam model, as the constraint condition to system operation totle drilling cost minimum target function；
3) branch and bound method is used, totle drilling cost minimum target letter is run to the system according to the constraint condition in the step 2)
Number is solved.
2. system according to claim 1 optimizing operation method, which is characterized in that system runs assembly in the step 1)
This minimum target function is as follows:
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1I-th in the regulating cycle of a thermal energy and cold energy
Electric energy regulating cycle；Fgrid(t1,t2,i) it is t1In i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
System power purchase expense；Fgas(t1,t2,i) it is t1In i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Systems buying natural gas expense；Fmain(t1,t2,i) it is t1I-th of electric energy in the regulating cycle of a thermal energy and cold energy adjusts week
System equipment maintenance cost in phase；Fpoll(t1,t2,i) it is t1I-th of electric energy tune in the regulating cycle of a thermal energy and cold energy
Save the polluted gas control emission expense in the period.
3. system optimized operation method according to claim 2, which is characterized in that the system runs totle drilling cost minimum mesh
The expense of system power purchase described in scalar functions Fgrid(t1,t2,i) specifically it is expressed as follows:
Fgrid(t1,t2,i)=Pgrid(t1,t2,i)·Δt2·fgrid(t1,t2,i)
Wherein, Δ t2For the time interval of electric energy regulating cycle；Pgrid(t1,t2,i) it is t1The regulating cycle of a thermal energy and cold energy
The power purchase power of system in i-th interior of electric energy regulating cycle；fgrid(t1,t2,i) it is t1The adjusting week of a thermal energy and cold energy
The Spot Price of the power grid in i-th of electric energy regulating cycle in phase；
Systems buying natural gas expense F described in the system operation totle drilling cost minimum target functiongas(t1,t2,i) specifically indicate
It is as follows:
Fgas(t1,t2,i)=Vgas(t1,t2,i)·Δt2·fgas(t1,t2,i)
Wherein, Vgas(t1,t2,i) it is t1The system of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy disappears
Consume natural gas volume；Δt2For the time interval of electric energy regulating cycle；fgas(t1,t2,i) it is t1The adjusting of a thermal energy and cold energy
The Gas Prices of i-th of electric energy regulating cycle in period；
System equipment maintenance cost F described in the system operation totle drilling cost minimum target functionmain(t1,t2,i) specifically indicate such as
Under:
Fmain(t1,t2,i)=kGE[PGE(t1,t2,i)]·Δt2·PGE(t1,t2,i)+kAP.cool[QAP.cool(t1,t2,i)]·Δ
t2·QAP.cool(t1,t2,i)+kAP.heat[QAP.heat(t1,t2,i)]·Δt2·QAP.heat(t1,t2,i)+kAC.heat[QAC.heat(t1,
t2,i)]·Δt2·QAC.heat(t1,t2,i)
Wherein, kGE[PGE(t1,t2,i)] it is t1The combustion of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Maintenance factor of the gas internal combustion engine under different output power；PGE(t1,t2,i) it is t1In the regulating cycle of a thermal energy and cold energy
The gas internal-combustion engine electromotive power output of i-th of electric energy regulating cycle；kAP.cool[QAP.cool(t1,t2,i)] it is t1A thermal energy and cold
The cold power maintenance factor of the smoke absorption heat-pump apparatus of i-th of electric energy regulating cycle in the regulating cycle of energy；QAP.cool(t1,
t2,i) it is t1The smoke absorption heat pump of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy exports cold function
Rate；kAP.heat[QAP.heat(t1,t2,i)] it is t1The cigarette of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
The thermal power maintenance factor of aspiration heat-pump apparatus；QAP.heat(t1,t2,i) it is t1In the regulating cycle of a thermal energy and cold energy
The smoke absorption heat pump of i-th of electric energy regulating cycle exports thermal power；kAC.heat[QAC.heat(t1,t2,i)] it is t1A thermal energy and
The maintenance factor of the Absorption Refrigerator of i-th of electric energy regulating cycle in the regulating cycle of cold energy；QAC.heat(t1,t2,i) it is the
t1The thermal power that the Absorption Refrigerator of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy absorbs；
Polluted gas control emission expense F described in the system operation totle drilling cost minimum target functionpoll(t1,t2,i) specific table
Show as follows:
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1I-th in the regulating cycle of a thermal energy and cold energy
Electric energy regulating cycle；Δt2For the time interval of electric energy regulating cycle；λ is the pollutant effulent species number of system, comprising: CO2、
SO2、NOx；δλBeing includes CO2、SO2、NOxThe control expense of different emissions inside；αgrid.λIt is grid power to different discharges
The emission factor of object；Pgrid(t1,t2,i) it is t1I-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy be
The power purchase power of system and power grid；αGE.λIt is gas internal-combustion engine electrical power to the emission factor of different emissions；PGE(t1,t2,i) be
T1The generated output of the gas internal-combustion engine of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy.
4. system according to claim 1 optimizing operation method, which is characterized in that facility constraints described in the step 2)
Model include gas internal-combustion engine restricted model, cylinder sleeve water- to-water heat exchanger restricted model, Absorption Refrigerator restricted model, electric boiler about
Beam model, electric refrigerating machine restricted model, smoke absorption heat-pump apparatus restricted model, electric energy storage device restricted model, heat accumulation equipment are about
One or more models in beam model and photovoltaic power generation unit restricted model.
5. system optimized operation method according to claim 4, which is characterized in that the gas internal-combustion engine restricted model is such as
Under:
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1I-th in the regulating cycle of a thermal energy and cold energy
Electric energy regulating cycle；Δt2For the time interval of electric energy regulating cycle；PGE(t1,t2,i) it is t1The adjusting week of a thermal energy and cold energy
The generated output of the gas internal-combustion engine of i-th of electric energy regulating cycle in phase；The generated output P of gas internal-combustion engineGE(t1,t2,i)
In t1It is constant in 4 electric energy regulating cycles in the regulating cycle of a thermal energy and cold energy；ηGE.elec(t1,t2,i) it is t1A heat
It can be with the generating efficiency of the gas internal-combustion engine of i-th of electric energy regulating cycle in the regulating cycle of cold energy；PmaxFor gas internal-combustion engine
Rated generation power；QGE.heat(t1,t2,i) it is t1I-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Gas internal-combustion engine output thermal power；The thermal power Q of gas internal-combustion engine outputGE.heat(t1,t2,i) in t1A thermal energy and cold
It is constant in 4 electric energy regulating cycles in the regulating cycle of energy；ηLFor the inherent loss rate of gas internal-combustion engine；PGE(t1,t2,i-1)
For the generated output of the gas internal-combustion engine of a upper electric energy regulating cycle；PGE.maxFor gas internal-combustion engine power output Slope Constraints；LHV
For the Lower heat value of natural gas；ηgasFor the gas utilization factor of gas internal-combustion engine；a3、a2、a1、a0Respectively fitting constant；
The smoke absorption heat pump restricted model is as follows:
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1I-th in the regulating cycle of a thermal energy and cold energy
Electric energy regulating cycle；T(t1,t2,i) it is t1The cigarette in i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
The inlet temperature of aspiration heat pump；PGE(t1,t2,i) it is t1I-th of electric energy in the regulating cycle of a thermal energy and cold energy is adjusted
The generated output of the gas internal-combustion engine in period；PmaxFor the rated generation power of gas internal-combustion engine；Cw(t1,t2,i) it is t1A heat
It can be with the different temperatures hot water specific heat capacity in i-th of electric energy regulating cycle in the regulating cycle of cold energy；COPAP(t1,t2,i) be
T1The energy efficiency coefficient of the smoke absorption formula heat pump in i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy；
QAP.heat(t1,t2,i) it is t1Smoke absorption heat in i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
The heats power of pump；QAP.cool(t1,t2,i) it is t1I-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
The refrigeration work consumption of smoke absorption heat pump；QAP.heat(t1,t2,iIt -1) is the heating of upper electric energy regulating cycle smoke absorption heat pump
Power；QAP.cool(t1,t2,iIt -1) is the refrigeration work consumption of the smoke absorption heat pump of a upper electric energy regulating cycle；Smoke absorption heat pump
Heats power QAP.heat(t1,t2,i) and refrigeration work consumption QAP.cool(t1,t2,i) in t1In the regulating cycle of a thermal energy and cold energy
4 electric energy regulating cycles in it is constant；λheat(t1,t2,i)、λcool(t1,t2,i) it is respectively t1The adjusting week of a thermal energy and cold energy
The flue gas heating ratio and refrigeration ratio of the smoke absorption heat pump of i-th of electric energy regulating cycle in phase；Theat、TcoolRespectively
Hot water outlet temperature and cold water outlet temperature；Lheat(t1,t2,i)、Lcool(t1,t2,i) it is respectively t1The tune of a thermal energy and cold energy
Save the hot water and cold water flow of the smoke absorption heat pump of i-th of electric energy regulating cycle in the period；Lheat.max、Lcool.maxRespectively
For maximum heating, refrigeration flow；ηAP.heat、ηAP.coolThe respectively heating of smoke absorption heat pump and refrigerating efficiency；QAP.heat.max
For the heats power power output Slope Constraints of smoke absorption heat pump；QAP.cool.maxFor the refrigeration work consumption power output gradient of smoke absorption heat pump
Constraint；b5、b4、b3、b2、b1、b0Respectively fitting constant；
The cylinder sleeve water- to-water heat exchanger restricted model is as follows:
QJW(t1,t2,i)=ηJW·QGE.heat(t1,t2,i)
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1I-th in the regulating cycle of a thermal energy and cold energy
Electric energy regulating cycle；QJW(t1,t2,i) it is t1The cylinder of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
It covers water- to-water heat exchanger and exports thermal power；ηJWFor the heat exchange efficiency of cylinder sleeve water- to-water heat exchanger；QGE.heat(t1,t2,i) it is t1A thermal energy and cold
The thermal power of the gas internal-combustion engine output of i-th of electric energy regulating cycle in the regulating cycle of energy；
The Absorption Refrigerator restricted model is as follows:
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；Qac.heat(t1) it is t1The suction of the regulating cycle of a thermal energy and cold energy
The thermal power that receipts formula refrigeration machine absorbs；Qac.cool(t1) it is t1The Absorption Refrigerator of the regulating cycle of a thermal energy and cold energy is defeated
Cold power out；Qac.cool(t1It -1) is the Absorption Refrigerator refrigeration work consumption of upper a thermal energy and cold energy regulating cycle；COPac
For the energy efficiency coefficient of Absorption Refrigerator；Qac.heat.min、Qac.heat.maxRespectively minimum, the maximum of Absorption Refrigerator absorption
Thermal power；Qac.cool.maxFor the power output Slope Constraints of Absorption Refrigerator；
The electric boiler restricted model is as follows:
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1I-th in the regulating cycle of a thermal energy and cold energy
Electric energy regulating cycle；PEB(t1,t2,i) it is t1The electricity of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Boiler input electric power；QEB(t1,t2,i) it is t1I-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Electric boiler exports thermal power；QEB(t1,t2,iIt -1) is the output thermal power of upper electric energy regulating cycle electric boiler；COPEBFor electricity
The energy coefficient processed of boiler；PEB.min、PEB.maxRespectively electric boiler minimum, maximum electric power；QEB.maxFor the power output gradient of electric boiler
Constraint；
The electric refrigerating machine restricted model is as follows:
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1I-th in the regulating cycle of a thermal energy and cold energy
Electric energy regulating cycle；PEC(t1,t2,i) it is t1The electricity of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
The input electric power of refrigeration machine；QEC(t1,t2,i) it is t1I-th of electric energy in the regulating cycle of a thermal energy and cold energy adjusts week
The cold power of the output of the electric refrigerating machine of phase；QEC(t1,t2,iIt -1) is the cold function of output of upper electric energy regulating cycle electric refrigerating machine
Rate；COPECFor the energy efficiency coefficient of electric refrigerating machine；PEC.min、PEC.maxRespectively electric refrigerating machine minimum, maximum electric power；QEC.maxFor
The power output Slope Constraints of electric refrigerating machine；
The photovoltaic power generation unit restricted model is as follows:
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1I-th in the regulating cycle of a thermal energy and cold energy
Electric energy regulating cycle；PPV(t1,t2,i) it is t1The light of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
The realtime power of overhead generator group；PSTCFor the nominal output of photovoltaic power generation unit；GING(t1,t2,i) it is t1A thermal energy and cold energy
Regulating cycle in i-th of electric energy regulating cycle real-time irradiation intensity；GSTCIt is strong for the specified irradiation of photovoltaic power generation unit
Degree；K is the power generation coefficient of photovoltaic power generation unit；Tout(t1,t2,i) it is t1I-th in the regulating cycle of a thermal energy and cold energy
The ambient temperature of electric energy regulating cycle；TsFor the reference temperature of generating set；
The electric energy storage device restricted model is as follows:
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1I-th in the regulating cycle of a thermal energy and cold energy
Electric energy regulating cycle；Δt2For the time interval of electric energy regulating cycle；Ebatt(t1,t2,i) it is t1The adjusting of a thermal energy and cold energy
The electric energy storage device real time capacity of i-th of electric energy regulating cycle in period；kLFor electric energy storage device electric energy from loss factor；
ηbatt.chaFor the charge efficiency of electric energy storage device；ηbatt.disFor the discharging efficiency of electric energy storage device；Pbatt.cha(t1,t2,i) it is t1It is a
The charge power of the electric energy storage device of i-th of electric energy regulating cycle in the regulating cycle of thermal energy and cold energy；Pbatt.dis(t1,t2,i)
For t1The discharge power of the electric energy storage device of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy；
Pbatt.dis.max、Pbatt.dis.minThe respectively most large and small discharge power of electric energy storage device；Pbatt.cha.max、Pbatt.cha.minRespectively store up
Electric equipment maximum, minimum charge power；Ebatt.max、Ebatt.minRespectively maximum, the minimum storage capacity of electric energy storage device；
The heat accumulation equipment restricted model is as follows:
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1I-th in the regulating cycle of a thermal energy and cold energy
Electric energy regulating cycle；Δt2For the time interval of electric energy regulating cycle；Bstor(t1,t2,i) it is t1The adjusting of a thermal energy and cold energy
The heat accumulation equipment real time capacity of i-th of electric energy regulating cycle in period；ksFor heat accumulation equipment thermal energy from loss factor；
ηstor.chaFor the heat absorption efficiency of heat accumulation equipment；ηstor.disFor the exothermal efficiency of heat accumulation equipment；Qstor.cha(t1,t2,i) it is t1It is a
The Endothermic power of the heat accumulation equipment of i-th of electric energy regulating cycle in the regulating cycle of thermal energy and cold energy；Qstor.dis(t1,t2,i)
For t1The heat release power of the heat accumulation equipment of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy；
Qstor.cha.max、Qstor.cha.minThe respectively maximum of heat accumulation equipment, minimum Endothermic power；Qstor.dis.max、Qstor.dis.minRespectively
Maximum, minimum heat release power for heat accumulation equipment；Bstor.max、Bstor.minRespectively the maximum of heat accumulation equipment, minimum heat accumulation hold
Amount.
6. system according to claim 1 optimizing operation method, which is characterized in that it is flat to set power described in the step 2)
The restricted model that weighs includes electrical power Constraints of Equilibrium model, heating power balance restricted model and cold power-balance constraint model.
7. system optimized operation method according to claim 6, which is characterized in that
The electrical power Constraints of Equilibrium model is as follows:
Pgrid(t1,t2,i)+PPV(t1,t2,i)+PGE(t1,t2,i)+Pbatt.dis(t1,t2,i)·Dbatt.dis(t1,t2,i)=Pbatt.cha
(t1,t2,i)·Dbatt.cha(t1,t2,i)+Pele(t1,t2,i)+PEB(t1,t2,i)+PEC(t1,t2,i)
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1I-th in the regulating cycle of a thermal energy and cold energy
Electric energy regulating cycle；Pgrid(t1,t2,i) it is t1The electricity of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Net power；PPV(t1,t2,i) it is t1The photovoltaic unit of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Realtime power；PGE(t1,t2,i) it is t1In the combustion gas of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
The generated output of combustion engine；Pbatt.dis(t1,t2,i)、Pbatt.cha(t1,t2,i) it is respectively t1The regulating cycle of a thermal energy and cold energy
The electric discharge of the electric energy storage device of i-th interior of electric energy regulating cycle, charge power, Dbatt.dis(t1,t2,i)、Dbatt.cha(t1,t2,i)
Respectively t1Electric discharge, the charging of the electric energy storage device of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy become
Amount；Pele(t1,t2,i) it is t1The electric load of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy；PEB
(t1,t2,i) it is t1The consumption of electric power of the electric boiler of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy；
PEC(t1,t2,i) it is t1The electric refrigerating machine of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy consumes electric work
Rate；
The heating power balance restricted model is as follows:
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1I-th in the regulating cycle of a thermal energy and cold energy
Electric energy regulating cycle；QJW(t1,t2,i) it is t1The cylinder of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
Cover the output thermal power of water- to-water heat exchanger；QAP.heat(t1,t2,i) it is t1I-th of electric energy in the regulating cycle of a thermal energy and cold energy
The output thermal power of the smoke absorption heat pump of regulating cycle；QEB(t1,t2,i) it is t1In the regulating cycle of a thermal energy and cold energy
The output thermal power of the electric boiler of i-th of electric energy regulating cycle；Qstor.dis(t1)、Qstor.cha(t1) it is respectively t1A thermal energy and
The heat release of the heat accumulation equipment of the regulating cycle of cold energy, Endothermic power, Dstor.dis(t1)、Dstor.cha(t1) it is respectively t1A thermal energy
Heat release, heat absorption variable with the heat accumulation equipment of the regulating cycle of cold energy；Qheat(t1) it is t1The regulating cycle of a thermal energy and cold energy
Heating power load；QAC.heat(t1) it is t1The thermal power that the Absorption Refrigerator of the regulating cycle of a thermal energy and cold energy absorbs；
The cold power-balance constraint model is as follows:
Wherein, t1Represent the regulating cycle of thermal energy and cold energy；t2,iRepresent t1I-th in the regulating cycle of a thermal energy and cold energy
Electric energy regulating cycle；QAC.cool(t1) it is t1The cold power of the Absorption Refrigerator output of the regulating cycle of a thermal energy and cold energy；
QEC(t1,t2,i) it is t1The electric refrigerating machine of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy exports cold
Power；QAP.cool(t1,t2,i) it is t1The smoke absorption of i-th of electric energy regulating cycle in the regulating cycle of a thermal energy and cold energy
The cold power of heat pump output；Qcool(t1) it is t1The cold function of the system external output of the regulating cycle of a thermal energy and cold energy
Rate.
8. system according to claim 1 optimizing operation method, which is characterized in that solution described in the step 3) is specific
Include the following steps:
Known parameters are inputted, relax constraint condition, by former PROBLEM DECOMPOSITION at numerous subproblems；
For subproblem solve, judge whether obtained subproblem solution is feasible solution, if it is judged that be it is yes, then calculated
Journey terminates；
If the judgment is No, then the subproblem solution is set as the former problem upper bound, feasible solution maximum target is set as under former problem
Boundary, and make comparisons to the upper bound with the lower bound；
If described previous greater than the lower bound, again to sub- problem solving；If described previous less than the lower bound, former problem
Without solution, calculating process terminates.
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