CN107023933A - Thermal source runs servicing unit and method - Google Patents
Thermal source runs servicing unit and method Download PDFInfo
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- CN107023933A CN107023933A CN201610947386.6A CN201610947386A CN107023933A CN 107023933 A CN107023933 A CN 107023933A CN 201610947386 A CN201610947386 A CN 201610947386A CN 107023933 A CN107023933 A CN 107023933A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
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- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
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- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
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Abstract
The present invention relates to a kind of thermal source operation servicing unit and method, on the other hand on the one hand reply realizes optimum operation plan and the cooperation of unit number control for the various requirement of heat source system.Constraints configuration part (16C) is according to running priority sequence list (15E), by the condition of the running priority order related to heat resource equipment represented in candidate and for using the condition of any candidate in candidate to be formulated as running priority order constrained condition in exclusive mode, and it is set as one of constraints, operational plan determining section (16D) determines that object function reaches minimum optimum operation plan under the constraints comprising running priority order constrained condition by MILP method, operation aids in output section (16E) by the optimum operation plan determined, and by it is determined that the unit number control constituted according to running priority order constrained condition using the running priority order for making candidate during the optimum operation plan is exported with priority as the operation auxiliary information related to heat source system.
Description
Technical field
Determined the present invention relates to a kind of by MILP method and multiple heat set in heat source system
The thermal source operation ancillary technique of the related optimum operation plan of source device.
Background technology
In recent years, in the air-conditioning system of commercial buildings, it is contemplated that have the thermal source system of the utilization various energy resources of emergency
The importing of system is among propulsion.But, electric power or combustion gas also make in addition to show with spot payment corresponding with usage amount in peak value
Surely there is annual energy contract under the benchmark such as consumption, levelized, for building management person, consider these contracts and energy-conservation-province
Operation of the electricity to carry out equipment will expend very big labour.
In the past, it is to set up to be used as MIXED INTEGER linear gauge using the optimum operation plan that the operation of existing heat resource equipment rationalizes
The formula for the problem of drawing, and validity in actual field is also confirmed that.
For example, patent document 1 is the computing (optimization) for being conceived to enter to be about to using mathematical programming approach the minimization of object function, if
Surely consider the object function of economy, energy saving, the feature of environmental protection, controlling etc. and obtain its solution.In addition, being to utilize to take 0/1 value
Integer variable coordinate the start and stop of heat resource equipment, thus, by MILP method by optimum operation scheduling problem
Formulation.
【Prior art literature】
【Patent document】
【Patent document 1】Japanese Patent Laid-Open 2004-317049 publications
The content of the invention
【Problems to be solved by the invention】
It is the supply of the heat required by indoor, i.e., as the most basic effect of the heat resource equipment in air-conditioning system
It is that optimum operation plan has been obtained according to prediction load, it is also necessary to tackled using the comparatively faster controller of controlling cycle
Instantaneous load change.
The unit number control imported for this requirement is characterised by, according to priority sequence table set in advance, when load heat
Amount or load flow are just started when exceeding threshold value according to priority from high to low, when load heat or load flow are low
Just stopped when threshold value according to priority from low to high, be achieved in the quick control of several seconds unit.
Thus, in practice, in order to tackle load change drastically, optimum operation plan and the cooperation of unit number control
It is indispensable.But, common optimum operation plan is set and thermal source during for example by every 1 hour or so
Device-dependent separate startup/Stop message is constituted, and according to this optimum operation plan, it is difficult to it is determined that for number of units
The priority (boot sequence) of control.
On the other hand, in previously described patent document 1, this optimum operation plan and the cooperation of unit number control are used as
Example, proposes that there are as below methods：By the run time determined by optimum operation plan more it is long just more improve start and stop priority it is excellent
First order assigns unit number control to be coordinated.
However, according to this fitting method, the actual motion under the result determined by optimum operation plan and unit number control can be big
It is mutually very unlike, thus in the presence of can not tackle economy, energy saving, feature of environmental protection etc. be directed to heat source system various requirement the problem of.
The present invention is that, in order to solve this problem, its object is to provide a kind of one side to tackle for heat source system
Various requirement, the thermal source operation ancillary technique of optimum operation plan and the cooperation of unit number control on the other hand can be achieved.
【The technological means solved the problems, such as】
In order to reach this purpose, thermal source operation servicing unit of the invention is by the object function related to heat source system
And constraints formulation, determine that the object function reaches minimum under the constraints by MILP method
Optimum operation be intended to be the operational plan related to multiple heat resource equipments set in the heat source system, the thermal source is run
Servicing unit is characterised by, including：Storage part, it, which stores to be registered with, multiple defines the operation related to the heat resource equipment
The running priority sequence list of the candidate of priority；Constraints configuration part, it will be represented according to the running priority sequence list
The condition of the running priority order related to the heat resource equipment in the candidate and for exclusive mode using it is described wait
The condition of any candidate chosen is formulated as running priority order constrained condition, and be set as the constraints it
One；Operational plan determining section, it is determined by MILP method comprising the running priority sequence constraint bar
The object function reaches the optimum operation plan of minimum under the constraints of part；And operation auxiliary output section, it will
The optimum operation plan determined by the operational plan determining section and the number of units control being made up of running priority order
System is exported with priority as the operation auxiliary information related to the heat source system, running priority order be
Determine to be used according to the running priority order constrained condition during optimum operation plan and make the candidate's.
In addition, in a configuration example of the above-mentioned thermal source operation servicing unit of the present invention, will represent that the running priority is suitable
The heat resource equipment related to candidate i boot sequence j is set to S [i, j], adopts the expression related to candidate i in the set S of sequence table
With/do not use the 0-1 variables of (invalidating) to be set to γi, by the expression start and stop state related to the heat resource equipment m under moment k
0-1 variables be set to δm,k, by candidate i at the time of k under the 0-1 variables of the related expression start and stop states of heat resource equipment m set
For ξi,m,kIn the case of, the running priority order constrained condition is represented by formula described later (18)-formula (22).
In addition, in a configuration example of the above-mentioned thermal source operation servicing unit of the present invention, the running priority sequence list is directed to
During according at least to operation, any one of cooling and warming, load come selection the heat source system each operational mode
And comprising the multiple forms distinguished by operational mode for being registered with the candidate, it is determined that described optimal under any operational mode
In the case of operational plan, what operational mode was distinguished pressed in the constraints configuration part according to corresponding to the described of the operational mode
Form sets running priority order constrained condition.
In addition, the thermal source operation householder method of the present invention is that the object function related to heat source system and constraints is public
Formula, determines that the object function reaches minimum optimum operation meter under the constraints by MILP method
Draw as the operational plan related to multiple heat resource equipments set in the heat source system, the thermal source runs the spy of householder method
Levy and be, including：Storing step, it stores to be registered with using storage part multiple defines the fortune related to the heat resource equipment
The running priority sequence list of the candidate of row major order；Constraints setting procedure, it, will according to the running priority sequence list
Represent the condition of the running priority order related to the heat resource equipment in the candidate and for using institute in exclusive mode
The condition for stating any candidate in candidate is formulated as running priority order constrained condition, and is set as the constraint bar
One of part；Operational plan determines step, and it is determined by MILP method comprising running priority order
The object function reaches the optimum operation plan of minimum under the constraints of constraints；And operation auxiliary output step
Suddenly, it will determine the optimum operation plan that step determines and by the running priority order structure by the operational plan
Into unit number control exported with priority as the operation auxiliary information related to the heat source system, it is described operation it is excellent
Sequentially it is first it is determined that according to the running priority order constrained condition using making the candidate during optimum operation plan.
【The effect of invention】
According to the present invention, it is determined that according to running priority order constrained condition using making candidate's during optimum operation plan
Running priority order is used as unit number control priority.Therefore, in unit number control, heat resource equipment can according to based on most
The plan operation of good operational plan and startup identical sequentially carry out start-up and shut-down control so that on the one hand can tackle for thermal source system
The various requirement of system, on the other hand can be achieved optimum operation plan and the cooperation of unit number control.Thus, even for drastically
Load change, can also realize that the optimal thermal source for considering chronicity energy contract etc. is shared.
Brief description of the drawings
Fig. 1 runs the block diagram of the composition of servicing unit for expression thermal source.
Fig. 2 is the configuration example of heat source system.
Fig. 3 is the parameter list related to Fig. 2 heat resource equipment.
Fig. 4 is the energy demand in heat source system and supply example.
Fig. 5 is the configuration example of running priority sequence list.
Optimum operation plans of the Fig. 6 to represent thermal source operation servicing unit determines the flow chart of processing.
The explanation figure of the comparison of target function value when Fig. 7 is represents utilization and do not use running priority order constrained condition.
The explanation figure of the comparison of optimum operation plan when Fig. 8 is represents utilization and do not use running priority order constrained condition.
Embodiment
Then, refer to the attached drawing, is illustrated to one embodiment of the present invention.
[thermal source operation servicing unit]
First, with reference to Fig. 1, the thermal source operation servicing unit 10 of one embodiment of the present invention is illustrated.Fig. 1 is expression heat
The block diagram of the composition of source operation servicing unit.
Thermal source operation servicing unit 10 is made up of the information processor such as server unit or PC on the whole, with such as
Lower function：The object function related to heat source system 20 and constraints are formulated, by MILP method come
It is determined that under the constraints object function reach the optimum operation of minimum be intended to be with it is set in heat source system 20
The related operational plan of multiple heat resource equipments.
Heat source system 20 is used in the air-conditioning system of building etc., be equipped with multiple heat pumps, heat exchanger, cogeneration of heat and power are set
Standby, the even various heat resource equipments such as discharge cold and hot water generator of heat utilization type heat source systems.
Fig. 2 is the configuration example of heat source system.Fig. 3 is the parameter list related to Fig. 2 heat resource equipment.These are the one of heat source system
Example, present embodiment is not limited to this composition.
In Fig. 2 and Fig. 3 configuration example, the electric power bought is supplied to cooling heat pump HPC (Heat pump for
cooling：2) and heat with heat pump HPH (Heat pump for heating：2), the natural gas bought is supplied to heat
Electricity cogeneration facility CGS (Cogeneration：1), cooling cold and hot water generator GLC (Genelink heat for
cooling：2) and heat with cold and hot water generator GLH (Genelink for heating：2).
In addition, to be supplied to cooling discharge hot feeding type discharge heat utilization type cold for the discharge heat from cogeneration plant
Hot water generator GLX (Genelink with exhaust heat for cooling：2) and heat exchanger HEX (Heat
exchanger for heating：1).In addition, the electric power generated by cogeneration plant is used as the part for buying electric power
Recycled, in addition to supplying to HPC and HPH, the electricity needs (beyond air-conditioning) also to air-conditioning equipment is supplied.
On the other hand, from HPC, GLX, GLC export cold water the cold water demand of air-conditioning equipment is supplied, from HPH, GLH,
The hot water of HEX outputs is supplied to the hot water demand of air-conditioning equipment.
Thermal source operation control system 30 is made up of industrial controller, with following function：Aided according to being run by thermal source
The operation auxiliary information or operating personnel that unit number control determined by device 10 is constituted with priority are aided according to the operation
Information and the operation auxiliary information made, carry out the various operations related to each heat resource equipment of heat source system 20 such as unit number control
Control.
Epigyny device 40 is made up of server unit on the whole, is believed with the various management related to heat source system 20 are managed
The function of breath and provide these management informations as optimum operation meter according to the requirement for carrying out self-heat power operation servicing unit 10
Draw the function of the processing data used in determination processing.
Then, with reference to Fig. 1, the composition to the thermal source operation servicing unit 10 of present embodiment is described in detail.
Upper net I/F portions 11, operation inputting part 12, picture display part 13, communication are provided with thermal source operation servicing unit 10
I/F portions 14, storage part 15 and arithmetic processing section 16 are used as major function portion.
Upper net I/F portions 11 have following function：Enter row data communication via upper circuit L1 and epigyny device 40, thus
Various information are exchanged between epigyny device 40.
Operation inputting part 12 is made up of the operation input unit such as keyboard, mouse, contact panel, the operation with detection operating personnel
And export to the function of arithmetic processing section 16.
Picture display part 13 is made up of picture display devices such as LCD, with to exporting actions menu from arithmetic processing section 16, setting
Determine content, optimum operation plan, unit number control and carry out the function that picture is shown with the various information such as priority.
I/F portions 14 communicate with following function：Data are carried out via communication line L2 and thermal source operation control system 30 to lead to
Letter, thus, the related various information of operation control with heat source system 20 is received from thermal source operation control system 30, and transmission by
The operation auxiliary information that optimum operation plan and unit number control are constituted with priority.
Storage part 15 is made up of storage devices such as hard disk, semiconductor memories, with storage arithmetic processing section 16 in most
The function of performed program in various processing datas, arithmetic processing section 16 used in good operational plan determination processing.
As the main processing data stored in storage part 15, have with purpose data 15A, heat resource equipment data 15B, the energy
Demand and supply data 15C, energy contract data 15D and running priority sequence list 15E.
It is the data for representing the utilization purpose to the requirement of heat source system 20 with purpose data 15A, is set with thermal source system
The various indexs such as the economy as purpose, energy saving, the feature of environmental protection, controlling during utilization of system 20.
Heat resource equipment data 15B is to represent the device efficiency related to each heat resource equipment used in heat source system 20, maximum
The data of the various acting characteristics such as (specified) generation heat, minimum generation heat.
Energy demand is cold and hot water demand, the electric power for representing each moment in heat source system 20 with supply data 15C
The data of the various demands such as demand.
Fig. 4 is the energy demand in heat source system and supply example.Herein, represent favorably to be represented monthly with past real data
Representative cold and hot water demand and power demand (beyond air-conditioning) in a few days at the time of the pattern that changes.Now, for example prepare
By the 24 related patterns of representative day of each moon to representing on ordinary days/day off and 2 figures related with the peak value day in summer/winter
The pattern of synthesis 26 that case is constituted.
Energy contract data 15D be electricity needs, demand on gas, Gas Load rate etc. be related to energy resource supply company it
Between the data of energy contract signed.
Running priority sequence list 15E is the running priority order being registered between the heat resource equipment of multiple expression heat source systems 20
Candidate form.
Fig. 5 is the configuration example of running priority sequence list, and Fig. 5 (a) represents cooling running priority sequence list, and Fig. 5 (b) is represented
Heat and use running priority sequence list.Herein, different candidate i are arranged with along line direction, the heat that should be preferentially run in each candidate i
Source device is sequentially configured along column direction in the mode corresponding with its boot sequence j from left.
For example, in the candidate C2 of Fig. 5 (a), first (1st) of priority is HPC1, is followed by according to HPC2
(2nd) → GLC1 (3rd) → GLC2 (4th) → GLX1 (5th) → GLX2 (6th) order sets priority.Thus,
In the case of using the candidate C2, HPC1 is initiated first, and according to HPC2 → GLC1 → GLC2 → GLX1 → GLX2 order
Started untill load is met.
Herein, be to be set with respectively cooling and heat and be shown in case of running priority sequence list 15E,
Selected the operation used in optimum operation plan determination processing excellent according to the operational mode of identified optimum operation plan
First sequence list 15E.Furthermore, the establishing method of form is not limited to this, such as according to season/date/period
During operation, any one of cooling and warming, load come selection heat source system 20 each operational mode and set good luck
Row major order table 15E.Now, continuous startup is assumed by the heat resource equipment for same type machine, the increasing of candidate's number can be suppressed
Greatly.Thus, the required time that optimum operation plan determines processing can significantly be shortened.
Arithmetic processing section 16 has CPU and its peripheral circuit, with following function：Perform the journey read from storage part 15
Sequence, is achieved in performing the various processing units that optimum operation plan determines processing.
As the main processing unit realized by arithmetic processing section 16, be provided with data acquiring section 16A, object function configuration part 16B,
Constraints configuration part 16C, operational plan determining section 16D and operation auxiliary output section 16E.
Data acquiring section 16A has following function：Obtained or root from epigyny device 40 via upper net I/F portions 11
Operated according to the operating personnel detected by operation inputting part 12 obtain optimum operation plan determine processing used in it is various
Processing data, and register to storage part 15.
Object function configuration part 16B has formulates and sets optimal according to storage part 15 with purpose data 15A
The function of object function used in operational plan determination processing.
Constraints configuration part 16C has following function：According to the heat resource equipment data 15B of storage part 15 by optimum operation
Plan the device characteristics constraints formulation used in determination processing；According to the energy demand of storage part 15 and supply data
15C formulates the energy demand used in optimum operation plan determination processing and supply constraint；And according to storage
The energy contract data 15D in portion 15 formulates the energy contract constraints used in optimum operation plan determination processing.
In addition, constraints configuration part 16C has following function：Will according to the running priority sequence list 15E of storage part 15
Running priority order constrained condition formulation used in optimum operation plan determination processing；And by this after formulation
A little constraintss are set as constraints used in the determination of optimum operation plan.Now, running priority order constrained condition
The condition of the running priority order related to heat resource equipment in each candidate registered in expression running priority sequence list 15E
With for using the condition of any candidate in these candidates to be constituted in exclusive mode.
Operational plan determining section 16D has following function：Determined by MILP method by constraint bar
Object function reaches the most good speed of minimum under the constraints comprising running priority order constrained condition of part configuration part 16C settings
Row plan.
Operation auxiliary output section 16E has following function：According to the optimum operation meter determined by operational plan determining section 16D
Draw and by it is determined that according to running priority order constrained condition using the running priority for making candidate during the optimum operation plan
The unit number control priority that order is constituted, generates the operation auxiliary information related to heat source system 20；The operation is aided in
Information is exported to thermal source operation control system 30 through the I/F portions 14 that communicate；Entered by 13 pairs of operation auxiliary informations of picture display part
Row picture is shown；And export the operation auxiliary information to epigyny device 40 through upper net I/F portions 11.
[formulation of optimum operation plan]
Then, the formulation of the optimum operation plan in the thermal source operation servicing unit 10 of present embodiment is illustrated.Heat
Run servicing unit 10 and optimum operation is determined according to MILP method in optimum operation plan determination processing in source
During plan, after by object function and constraints formulation, determined by known general solver in constraints
Lower object function reaches the solution of minimum, i.e. optimum operation plan.
[object function]
First, the formulation of object function is illustrated.Object function is showed using function formula to heat source system 20
It is required that utilization purpose.Heat source system 20 is from viewpoints such as economy, energy saving, the feature of environmental protection, controllings with purpose
And it is predetermined, more specifically index and numerical value are set to use purpose data 15A in thermal source operation servicing unit 10.
Object function configuration part 16B is according to the utilization purpose data 15A of storage part 15 by used in optimum operation plan determination processing
Objective function Equation.
For example, with by moment k (k=1,2 ..., K) operation heat resource equipment under total operating cost be minimised as use
The object function of purpose is to be formulated as follows.The maximum usage amount of electric power/combustion gas is being set to E- ALL、
F- ALL, the energy unit price of every 1 hour under moment k is set to Ck E、Ck F, basic charge is set to CEbase、CFbase, will the amount of buying
It is set to Ek buy、Fk buyIn the case of, object function is represented by following formula (1).
【Numerical expression 1】
[device characteristics constraints]
Then, the formulation of device characteristics constraints is illustrated.Device characteristics constraints is produced from constituting heat
The constraints of the related device characteristics of each heat resource equipment of source system 20.The device characteristics related to each heat resource equipment more
The numerical value of body is set to heat resource equipment data 15B in thermal source operation servicing unit 10.Object function configuration part 16B is according to depositing
The heat resource equipment data 15B in storage portion 15 by optimum operation plan determination handle used in device characteristics constraints formula
Change.Below, as the concrete example of heat resource equipment, pair with air-cooled heat pump, the discharge cold and hot water generator of heat utilization type and cogeneration of heat and power
Between device-dependent device characteristics constraints and heat resource equipment etc. rate of load condensate constraint illustrate.
[air-cooled heat pump]
Air-cooled heat pump is the heat resource equipment that heat is generated by electric power, thus device characteristics constraints by with generation heat and
The related constraints of electric power consumption is constituted.The electric power consumption related to the air-cooled heat pump m under moment k, generation is hot
The 0-1 variables of amount and expression start and stop state are set to Em,k、Qm,k、δm,k, will be related to air-cooled heat pump m device efficiency
Coefficient is set to pm、qm, the bound to air-cooled heat pump m electric power consumption is set to E mIn the case of, input to air-cooled heat
The relation of pump m quantity of energy (electric power consumption) and generation heat represents by following formula (2), the bound constraint of electric power consumption by
Following formula (3) is represented.
【Numerical expression 2】
QM, k=pmEM, k+qmδM, k…(2)
【Numerical expression 3】
[the cold and hot water generator of discharge heat utilization type]
Genelink is to discharge being commonly called as the cold and hot water generator of heat utilization type, is to generate the thermal source of heat by combustion gas and discharge heat
Equipment, therefore device characteristics constraints is by the constraints related to generation heat, amount of consumed gas and the hot input amount of discharge
Constitute.By the amount of consumed gas related to the discharge heat utilization type cold and hot water generator m under moment k, the hot input amount of discharge and
Generation heat is set to Fm,k、QXin m,k、Qm,k, by the related expression combustion gas/rows of the discharge cold and hot water generator m of heat utilization type
The 0-1 variables for going out the start and stop state of heat pattern are set to δF m,k、δX m,k, will be set with discharge heat utilization type cold and hot water generator m
The related coefficient of standby efficiency is set to pF m、qF m、pX m、qX m, the bound of amount of consumed gas is set to F m, will to discharge heat profit
It is set to the bound of the cold and hot water generator m of the type hot input amount of dischargeIn the case of, input to discharge heat utilization
The cold and hot water generator m of type quantity of energy (amount of consumed gas and the hot input amount of discharge) is with the relation of generation heat by following formula (4) table
Show, the bound constraint of amount of consumed gas is represented by following formula (5), the bound constraint for discharging hot input amount is represented by following formula (6).
【Numerical expression 4】
【Numerical expression 5】
【Numerical expression 6】
[cogeneration plant]
Cogeneration plant be generated by combustion gas electric power and heat heat resource equipment, therefore device characteristics constraints by with life
Constituted into amount of power, generation discharge heat and the related constraints of amount of consumed gas.It will set with the cogeneration of heat and power under moment k
The amount of consumed gas of standby m correlations, generation amount of power, generation discharge heat and represent that the 0-1 variables of start and stop state are set to
Fm,k、EG m,k、QXout m,k、δm,k, the coefficient related to the efficiency of cogeneration plant m combustion gas-electric power and combustion gas-heat distinguished
It is set to pF m、qF m、pX m、qX mIn the case of, put into cogeneration plant m gas quantity (amount of consumed gas) and generation amount of power
Relation by following formula (7) represent, put into cogeneration plant m gas quantity (amount of consumed gas) with generation discharge heat pass
System is represented that the bound constraint of amount of consumed gas is represented by following formula (9) by following formula (8).
【Numerical expression 7】
【Numerical expression 8】
【Numerical expression 9】
[between heat resource equipment etc. rate of load condensate constraint]
Generally, it is with two to keep the pressure balance between heat resource equipment in the case where parallel starting has multiple heat resource equipments
The mode that the rate of load condensate of person is equal is controlled.Now, heat resource equipment m rate of load condensate is removed by the heat resource equipment m heats generated
To be worth obtained by heat resource equipment m maximum generation heat.When following the control of the rate of load condensate such as this, any 2 of parallel starting
The difference of rate of load condensate between heat resource equipment will be confined to zero.In addition, any 2 heat resource equipments on parallel starting, by table
Show start and stop state the 0-1 variables of these heat resource equipments and be used as condition for 2 this content.By with the thermal source under moment k
The 0-1 variables of the related generation heat of equipment m, m', maximum generation heat and expression start and stop state are set to Qm,k、Qm',k、δm,k、δm',kIn the case of, the rate of load condensate such as related to these heat resource equipments m, m' is constrained by following formula (10) table
Show.
【Numerical expression 10】
[energy demand and supply constraint]
Then, the formulation of energy demand and supply constraint is illustrated.Energy demand is production with supply constraint
Be born from and the revenue and expenditure of the energy demand in whole heat source system 20 and supply be set to the constraints of zero this definition, it is specific and
Speech, is the equal constraints of the demand and supply of each side in hot and cold water, electric power, combustion gas.In these whole heat source systems 20
Hot and cold water, electric power, the demand of combustion gas more specifically numerical value thermal source operation servicing unit 10 in be set to the energy need
Ask and supply data 15C.Object function configuration part 16B will most good speed with supply data 15C according to the energy demand of storage part 15
Energy demand used in row plan determination processing is formulated with supply constraint.
Cold and hot water demand under moment k is being set to Qk demand, amount of power will be bought be set to Ek buy, by beyond thermal source
Power demand is set to Ek demand, gas quantity will be bought be set to Fk buyIn the case of, with cold and hot water demand, buy amount of power and
The constraint for buying the related energy demand of gas quantity and supply is represented by following formula (11), formula (12) and formula (13) respectively.This
Outside, the remaining discharge heat between cogeneration plant and the discharge cold and hot water generator of heat utilization type goes out of use to outside situation
Under, the constraint of the energy demand and supply related to discharge heat is represented by following formula (14).
【Numerical expression 11】
【Numerical expression 12】
【Numerical expression 13】
【Numerical expression 14】
[energy contract constraints]
Then, the formulation of energy contract constraints is illustrated.Electric power/gas energy company signs with user various
Energy contract, when beyond contract range, it is necessary to which branch pays a fine.Especially seek central in Extended Service Program, it is necessary to examine
Consider these energy contracts.Energy contract constraints is the constraints for being produced from this energy contract.
On energy contract, more specifically numerical value is set to energy contract data in thermal source operation servicing unit 10
15D.Institute during object function configuration part 16B is handled optimum operation plan determination according to the energy contract data 15D of storage part 15
The energy contract constraints formulation used.Below, pair with being used as electric power/demand on gas of representational energy contract and combustion
The related constraints of gas rate of load condensate contract is illustrated.
First, electric power/demand on gas is maximum power/combustion gas usage amount for every 1 hour (or 30 minutes) in year
Come what is assigned, basic charge is according to depending on the maximum usage amount.It is set to by the maximum usage amount of electric power/combustion gasElectric power/combustion gas the amount of buying of every 1 hour (or 30 minutes) under moment k is set to Ek buy、Fk buyFeelings
Under condition, the constraints related to electric power/demand on gas is represented by following formula (15), formula (16).
【Numerical expression 15】
【Numerical expression 16】
In addition, the purpose of Gas Load rate contract is the usage amount levelized in year, have surely as following formula (17)
The lower limit θ of the ratio of period (k ∈ P), year average usage amount is consumed for peak value.
【Numerical expression 17】
Herein, it is contemplated that the constraint formula that formula (15)-(17) are across multiple moment k and played a role, it is known that must solve
Moment k=1,2 ..., the optimization problem of many periods under K.In fact, energy resource consumption required by this energy contract is flat
What standardization was typically runed counter to the minimum of energy cost, optimal solution is not it may be said that apparent.
[running priority order constrained condition]
Then, the formulation of running priority order constrained condition is illustrated.In the present invention, in order that optimum operation plan
It is engaged with unit number control, imports and be used in not the such new constraints of running priority order general between k in the same time.Such as
Illustrated by previously described Fig. 5, it is stored with running priority sequence list 15E suitable with the candidate i of running priority order and startup
Thermal source numbering corresponding sequence j.If running priority sequence list 15E is set into set S, the startup in set S with candidate i is suitable
Sequence j=1,2 ..., the related heat resource equipments of M be set to S [i, j], by the expression use related to candidate i/do not use (effective/nothing
Effect) 0-1 variables be set to γi, the 0-1 variables of the expression start and stop state related to the heat resource equipment m under moment k are set to δm,k,
Then running priority order constrained condition is represented by following formula (18), all the time in exclusive mode only with any candidate's in candidate i
Constraints is represented by following formula (19).
【Numerical expression 18】
γiδS[i, 1], k >=γiδS[i, 2], k >=... >=γiδS[i, M], k ... (18)
【Numerical expression 19】
Herein, due to the product between formula (18) comprising variable turn into nonlinear restriction, therefore linearized using as mix
Integral linear programming problem is closed to solve.First, as shown in following formula (20), represented having redefined in candidate i under moment k
The 0-1 variables ξ of heat resource equipment m start and stop statei,m,kIn the case of, formula (20) and following linear restriction are formula (21) and formula
(22) it is of equal value.
【Numerical expression 20】
ξI, m, k=γiδM, k…(20)
【Numerical expression 21】
0≤ξI, m, k≤γi…(21)
【Numerical expression 22】
δM, k-(1-γi)≤ξI, m, k≤δM, k…(22)
As mentioned above, each constraints described in formula (1)-formula (22) includes integer variable, and these are constrained
Formula and object function are showed with linear, therefore can be formulated as Mixed integer linear programming and be utilized general solver
Relatively easily to solve.
[action of present embodiment]
Then, with reference to Fig. 6, the action to the thermal source operation servicing unit 10 of present embodiment is illustrated.Fig. 6 is expression thermal source
The optimum operation plan for running servicing unit determines the flow chart of processing.
Thermal source operation servicing unit 10 determines to indicate to perform Fig. 6 according to the optimum operation plan detected by operation inputting part 12
Optimum operation plan determination processing.Herein, when starting optimum operation plan determination processing, existed by data acquiring section 16A
Various processing datas have been pre-registered in storage part 15.
First, object function configuration part 16B is formulated with purpose data 15A according to storage part 15 and is set optimal
Object function (step 100) used in operational plan determination processing.
On the other hand, constraints configuration part 16C is according to the heat resource equipment data 15B of storage part 15, energy demand and supply number
Device characteristics constraints, energy demand and supply constraint and energy contract are constrained according to 15C and energy contract data 15D
Condition is formulated respectively, and is set as constraints (step 101) used in the determination of optimum operation plan.
In addition, constraints configuration part 16C according to the running priority sequence list 15E of storage part 15 by running priority order about
Beam condition formula, and it is set as one of constraints (step 102) used in the determination of optimum operation plan.
Then, operational plan determining section 16D performs MILP method using general solver, thereby determines that
Object function reaches most under the constraints comprising running priority order constrained condition set by constraints configuration part 16C
Small optimum operation plan (step 103).
Thereafter, operation auxiliary output section 16E will be when determining optimum operation plan according to fortune by operational plan determining section 16D
Row major order constraints and use make candidate running priority order be defined as unit number control priority (step
104), and by the operation auxiliary information being made up of these optimum operation plans and unit number control with priority through the I/F portions that communicate
14 outputs terminate a series of optimum operation plan determination processing to thermal source operation control system 30 (step 105).
[analog result]
To being run according to the unit number control determined in the optimum operation plan determination of present embodiment processing with priority
Analog result in the case of heat source system 20 is illustrated.
In this simulation, be made up of for heat source system 20 heat resource equipment shown in previously described Fig. 2 and Fig. 3, thermal source
Various demands in system 20 are made up of the pattern shown in previously described Fig. 4, running priority sequence list 15E is by previously described
Constituting situation about constituting and optimum operation plan and unit number control priority be determined shown in Fig. 5.
Furthermore, on energy contract, by electric power unit price Ck EIt is set as Xia Ji $15.74/kWh, other Shi Qis $14.37/
KWh, by combustion gas unit price Ck FIt is set as Dong Ji $92.53/m3, other Shi Qis $82.27/m3.In addition, on basic charge, will
Electric power CEbaseShe Wei $1732.5/ (the kW months), by combustion gas CFbaseShe Wei $420.71/ (the m3/h months).And then, the load of combustion gas
Rate contract lower limit θ is set to 65%.
The explanation of the comparison of target function value when Fig. 7 is represents utilization and do not use running priority order constrained condition
Figure.Running priority order constrained condition on using and not using optimum operation plan determination to handle, relatively more each optimal solution
In target function value can confirm, as shown in fig. 7, both difference it is smaller, in the range of calculation error.It follows that
Even if fixed unit number control priority, in the state of each constraint is met, operating cost also hardly increases.
The explanation of the comparison of optimum operation plan when Fig. 8 is represents utilization and do not use running priority order constrained condition
Figure, indicates that heat resource equipment start and stop situation and thermic load in the representative day of July and September are shared, Fig. 8 (a) is represented not herein
With running priority order constrained condition, Fig. 8 (b) represents to use running priority order constrained condition.Now, at Fig. 8 (a)
In, share, using the candidate C1 of Fig. 5 (a), in Fig. 8 (b), shared for thermic load for thermic load, be according to table
Show the 0-1 variables γ for the use of candidate/do not useiCorresponding candidate draws.
The operational plan of Cooling and Heat Source in 7 months can confirm, in the condition constrained without priority of Fig. 8 (a)
Under, thermal source used in each moment is more messy, and is constrained by importing priority (b) as Fig. 8, then only makes
With the cold and hot water generator of discharge heat utilization type.Thus, in the unit number control of thermal source operation control system 30, according to the 1st, 2
The discharge heat utilization type that platform is the cold and hot water generator of discharge heat utilization type (GJG) of utilization combustion gas, the 3rd, 4 are utilization discharge heat
Cold and hot water generator (GLX), 5-6 platforms are air-cooled heat pump (HPC) this priority to implement to follow what quick load changed
Control.
In this way, in no running priority order constrained condition, due to as it is each when inscribe the priority of thermal source all
Different plans, therefore in the case of undertaking fast cycle control in unit number control, the operation meter obtained as optimal solution
Drawing will deviate from actual operation.In contrast, being to examine due to what is asked when with running priority order constrained condition
Consider the solution that the startup under unit number control stops, therefore actual operation is also to be carried out according to optimum operation plan.Thus,
Optimum operation plan can preferably cooperate with unit number control controller, also can the phase even for load change drastically
The optimal thermal source to be achieved for considering chronicity energy contract etc. is shared.
[effect of present embodiment]
In this way, present embodiment is：Constraints configuration part 16C according to running priority sequence list 15E, by represent in candidate with
The condition of the related running priority order of heat resource equipment and the condition work for using any candidate in candidate in exclusive mode
Formulated for running priority order constrained condition, and be set as one of constraints, operational plan determining section 16D passes through mixed
Integral linear programming method is closed to determine that object function reaches minimum under the constraints comprising running priority order constrained condition
Optimum operation plan, operation auxiliary output section 16E by the optimum operation plan determined and by it is determined that the optimum operation
The unit number control constituted during plan according to running priority order constrained condition using the running priority order for making candidate is with preferentially
Order is exported as the operation auxiliary information related to heat source system 20.
More specifically, it is related to candidate i boot sequence j in the set S that will represent running priority sequence list 15E
Heat resource equipment is set to S [i, j], by the expression use related to candidate i/do not use the 0-1 variables of (invalidating) to be set to γi、
The 0-1 variables of the expression start and stop state related to the heat resource equipment m under moment k are set to δm,k, by with moment k in candidate i
The 0-1 variables of expression start and stop state related heat resource equipment m are set to ξi,m,kIn the case of, running priority order constrained condition is by preceding
Formula (18)-formula (22) described in text is represented.
Thus, it is determined that during optimum operation plan it is excellent using the operation for making candidate according to running priority order constrained condition
First sequentially it is used as unit number control priority.Therefore, in unit number control, heat resource equipment can according to based on optimum operation
The plan operation of plan and startup identical sequentially carry out start-up and shut-down control so that on the one hand can tackle for heat source system 20
Various requirement, on the other hand achievable optimum operation plan and the cooperation of unit number control.Thus, even for load drastically
Change, can also realize that the optimal thermal source for considering chronicity energy contract etc. is shared.
In addition, in the present embodiment, or：Running priority sequence list 15E be directed to according at least to operation during, refrigeration
Heat, any one of load come selection heat source system 20 each operational mode and comprising be registered with candidate it is multiple by
The form that operational mode is distinguished, it is determined that in the case of optimum operation plan under any operational mode, constraints configuration part
16C sets running priority order constrained condition according to the form distinguished by operational mode corresponding to the operational mode.
Thus, more preferably optimum operation plan corresponding with the operational mode of heat source system 20 and unit number control can be obtained with preferentially
Sequentially.
[extension of embodiment]
More than, the present invention is described for reference implementation mode, but the present invention is not limited to above-mentioned embodiment.Can be at this
The composition or details of the present invention are carried out the skilled addressee will appreciate that various changes in the range of invention.In addition, on
Each embodiment, can be combined implementation in the range of not conflicting.
Symbol description
10 thermals source run servicing unit
11 upper net I/F portions
12 operation inputting parts
13 picture display parts
14 communication I/F portions
15 storage parts
15A uses purpose data
15B heat resource equipment data
15C energy demands and supply data
15D energy contract data
15E running priority sequence lists
16 arithmetic processing sections
16A data acquiring sections
16B object functions configuration part
16C constraintss configuration part
16D operational plan determining sections
16E operation auxiliary output section
20 heat source systems
30 thermal source operation control systems
40 epigyny devices
The upper circuits of L1
L2 communication lines.
Claims (4)
1. a kind of thermal source runs servicing unit, it formulates the object function related to heat source system and constraints, passes through
MILP method come determine under the constraints object function reach the optimum operation of minimum be intended to be with
The related operational plan of set multiple heat resource equipments in the heat source system, the thermal source runs servicing unit and is characterised by,
Including：
Storage part, it stores the operation for being registered with multiple candidates for defining the running priority order related to the heat resource equipment
Priority sequence table；
Constraints configuration part, its according to the running priority sequence list, by represent in the candidate with the heat resource equipment
The condition of related running priority order and for using the condition of any candidate in the candidate to be used as fortune in exclusive mode
Row major order constraints is formulated, and is set as one of described constraints；
Operational plan determining section, it is determined by MILP method comprising the running priority sequence constraint bar
The object function reaches the optimum operation plan of minimum under the constraints of part；And
Operation auxiliary output section, it is by the optimum operation plan determined by the operational plan determining section and by described
The unit number control that running priority order is constituted is subject to priority as the operation auxiliary information related to the heat source system
Output, running priority order is it is determined that being adopted according to the running priority order constrained condition during optimum operation plan
As the candidate's.
2. thermal source according to claim 1 runs servicing unit, it is characterised in that
Heat resource equipment related to candidate i boot sequence j in the set S for representing the running priority sequence list is being set to S
[i, j], by the expression use related to candidate i/do not use the 0-1 variables of (invalidating) to be set to γi, by with moment k
The 0-1 variables of expression start and stop state related heat resource equipment m are set to δm,k, by with candidate i at the time of k under heat resource equipment m phases
The 0-1 variables of the expression start and stop state of pass are set to ξi,m,kIn the case of, the running priority order constrained condition is by following formula
(A)-formula (E) is represented：
【Numerical expression 1】
γiδS [i, 1], k≥γiδS [i, 2], k≥…≥γiδS [i, M], k…(A)
【Numerical expression 2】
【Numerical expression 3】
ξI, m, k=γiδM, k…(C)
【Numerical expression 4】
0≤ξI, m, k≤γi …(D)
【Numerical expression 5】
δM, k-(1-γi)≤ξI, m, k≤δM, k …(E)。
3. thermal source according to claim 1 or 2 runs servicing unit, it is characterised in that
The running priority sequence list for during according at least to operation, any one of cooling and warming, load be come selection
Each operational mode of the heat source system and comprising the multiple forms distinguished by operational mode for being registered with the candidate,
It is determined that in the case of the optimum operation plan under any operational mode, the constraints configuration part is according to correspondence
Running priority order constrained condition is set in the form distinguished described in the operational mode by operational mode.
4. a kind of thermal source runs householder method, it formulates the object function related to heat source system and constraints, passes through
MILP method come determine under the constraints object function reach the optimum operation of minimum be intended to be with
The related operational plan of set multiple heat resource equipments in the heat source system, the thermal source runs householder method and is characterised by,
Including：
Storing step, it is stored using storage part is registered with that multiple to define the running priority related to the heat resource equipment suitable
The running priority sequence list of the candidate of sequence；
Constraints setting procedure, it will represent being set with the thermal source in the candidate according to the running priority sequence list
The condition of standby related running priority order and for used in exclusive mode the condition of any candidate in the candidate as
Running priority order constrained condition is formulated, and is set as one of described constraints；
Operational plan determines step, and it is determined by MILP method comprising the running priority sequence constraint
The object function reaches the optimum operation plan of minimum under the constraints of condition；And
Operation auxiliary output step, it will determine the optimum operation plan, Yi Jiyou that step determines by the operational plan
The unit number control priority that the running priority order is constituted is used as the operation auxiliary information related to the heat source system
Exported, running priority order is it is determined that according to the running priority order constrained condition during optimum operation plan
And use and make the candidate's.
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| JP2015210852A JP6588800B2 (en) | 2015-10-27 | 2015-10-27 | Heat source operation support apparatus and method |
| JP2015-210852 | 2015-10-27 |
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| CN114041031A (en) * | 2019-07-04 | 2022-02-11 | 大金工业株式会社 | Combined solution determination system |
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| JP7024237B2 (en) * | 2017-07-20 | 2022-02-24 | 株式会社Ihi | Operation plan creation support device and method |
| JP6728323B2 (en) * | 2018-03-12 | 2020-07-22 | 株式会社Ｅ．Ｉ．エンジニアリング | Driving support system, driving support method, computer program for executing the same, and recording medium recording the program |
| JP7374774B2 (en) | 2020-01-08 | 2023-11-07 | 清水建設株式会社 | Heat source control system and heat source control method |
| JP7034193B2 (en) * | 2020-03-17 | 2022-03-11 | 株式会社関電エネルギーソリューション | Heat source operation support system |
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| JP6588800B2 (en) | 2019-10-09 |
| KR101888255B1 (en) | 2018-08-13 |
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