CN106950840A - Towards the integrated energy system layered distribution type control method for coordinating of power network peak clipping - Google Patents

Abstract

Energy resource system is divided into top level control system and lower floor's control system by the integrated energy system layered distribution type control method for coordinating of the invention towards power network peak clipping, this method, and described method comprises the following steps：1) lower floor's control system is carried out to user from the optimal control that becomes；2) power information at top level control system acquisition critical point, judges whether energy resource system overall peaks meet actual demand；3) garden increase in upper strata is straight adjusts energy storage to exert oneself and generator output；4) top level control system judges whether critical point power is out-of-limit again；5) top level control system can adjust to lower floor and send instructions under user, and interactive user carries out Reasonable adjustment to itself load；6) top level control system continues to judge whether critical point power is out-of-limit；7) upper strata garden control system can be interrupted to lower floor and sent instructions under user, and interactive user is rationally interrupted to itself load.The present invention solves the problem of various energy resources intercouple, harmonizing is difficult, and peak load shifting, is realized and the close friend of power network is interactive.

Description

Towards the integrated energy system layered distribution type control method for coordinating of power network peak clipping

Technical field

The present invention relates to field of power, and in particular to a kind of integrated energy system layer distributed towards power network peak clipping Formula control method for coordinating.

Background technology

The energy is the important substance basis of the national economic development, and extremely important strategic position is in national economy, The production of people, all too busy to get away energy of living.With economic and society development, energy shortage problem is more and more severeer, conventional Fossil energy it is increasingly insufficient, while excessively bring a series of problem of environmental pollutions using fossil energy, serious threat The survival and development of the mankind.

In traditional energy resource system, often separate design, planning, operation and the control of cold heat/electricity/gas is different Energy supply, energy consumption system main body can not carry out coordination, cooperation and optimization on the whole, cause energy overall utilization rate not high.Face Increasingly serious resource and environmental problem, integrated energy system can realize the integrated management and harmonizing to various energy resources, Comprehensive utilization rate of energy source is improved, close friend's interaction with power network is realized towards power network peak clipping demand.The EMS of traditional centralization is difficult to Meet the requirement of integrated energy system cooperative compensating, and the control method currently for integrated energy system is fewer and exists and lacks Fall into, it is impossible to meet current actual demand.

Integrated energy system technical scheme more advanced at present is as follows：

The proposition such as the 1st, Southeast China University's yellow-study is good《A kind of source/net/lotus/storage coordinated management system for energy Internet service System and method》In view of the mass data of future source of energy internet, a kind of control system for being divided into 3-tier architecture is invented, respectively For demand layer, state layer, key-course.Demand layer collects the basic datas such as the control parameter of source/net/lotus/storage, state definition and control The information of target processed；State layer gathers the running state parameter of source/net/lotus/storage in real time；Key-course realizes that system power is balanced. In this invention, by coordinating control and optimum management to energy internet Zhong Yuan/net/lotus/storage, realize that supply and demand is put down in key-course Weighing apparatus, maintains the targets such as the quality of power supply, dsm, realizes distributing rationally for electric energy, reaches source/net/lotus/storage coordinated management Purpose.

2nd, the proposition such as Nanjing Feiteng Electronics Technology Co., Ltd. Li Wenjun《A kind of region energy comprehensive coordination management and control system System》, the system include area operation monitoring subsystem, distributed power source predicting subsystem, load cluster response prediction analysis son The quick processing subsystem of system, failure, energy consumption analysis and management subsystem, electric automobile Optimized Operation subsystem and region are more Level Integrated Energy coordinates control subsystem.It is realized to region interior power, power network, use on the basis of Multi-source Information Fusion Family load integrated operation monitoring, prediction, analysis and the scheduling of a variety of distributed energies, realizes and the failure of power network is quickly examined It is disconnected and handle, the intelligent scheduling of load load prediction to user, energy consumption analysis, administration of energy conservation and electric automobile is realized, And by synthesizing and coordinating energetic interaction between power supply, power network, customer charge, realize region energy reasonable distribution, it is polynary mutually Mend.

3rd, Beijing Guodiantong Network Technology Co., Ltd. Tian Weihua et al. is invented《A kind of cold and hot energy mixing of garden type should Energy network regulates and controls method and system》, the invention include remote energy source Surveillance center, energy tuning controller and at least one Individual energy controller on the spot；Wherein, energy tuning controller is responsible for each fortune of energy controller energy device on the spot of collection Row data, data are uploaded to by network described remote energy source Surveillance center；Described remote energy source Surveillance center according to The envirment factor pager energy resource system data message of the load side influence energy demand of collection provides proportioning and regulating strategy, will The corresponding energy controller on the spot is sent to by the energy tuning controller.So as to realize that various energy resources system is complementary Supply, improves energy utilization rate.

However, in three kinds of above-mentioned scheme, peak load shifting not being emphasized, does not also improve the load curve of power network, does not have Have and emphasize that the interaction to power network is friendly.

The content of the invention

In order to solve the above problems, the invention provides a kind of integrated energy system layered distribution type towards power network peak clipping Control method for coordinating utilizes coupling mechanism on space-time between each energy resource system, realize integrated management to various energy resources with Harmonizing, and then meet power network peak clipping demand.

The present invention uses following technical scheme：

Towards the integrated energy system layered distribution type control method for coordinating of power network peak clipping, energy resource system is divided into by this method Top level control system and lower floor's control system, top level control system are garden layer, and the main body of top level control system is industrial park, Lower floor's control system is client layer, and the main body of client layer is plant area user,

Described method comprises the following steps：

Step one：For typical user's configuration of client layer, lower floor's control system is carried out to user from the optimal control that becomes；

Step 2：The power information at top level control system acquisition critical point, judges whether energy resource system overall peaks meet reality Border demand, if meeting, keeps underlying User to be run according to the scheme for the optimization that becomes certainly；If it is not satisfied, into step 3；

Step 3：The electric power that garden release in upper strata is advanced for, increase is straight to adjust energy storage to exert oneself and generator output；

Step 4：Top level control system gathers the power information at critical point again, judges whether critical point power is out-of-limit, if not getting over Limit, keeps underlying User to be run according to the scheme of step 3, if out-of-limit, into step 5；

Step 5：Top level control system can adjust to lower floor to send instructions under user, and interactive user is closed to itself load Reason adjustment, participates in peak regulation according to instruction, reaches power-balance, realize the stabilization of power network；

Step 6：Top level control system continues to gather the power information at critical point, judges whether critical point power is out-of-limit, if not getting over Limit, keeps underlying User to be run according to the scheme of step 5, if out-of-limit, into step 7；

Step 7：Upper strata garden control system can be interrupted to lower floor to send instructions under user, and interactive user is carried out to itself load Rationally interrupt, peak regulation is participated according to instruction, power-balance is reached, realizes the stabilization of power network.

Further, in described step one, typical user's configuration of client layer includes following items：Miniature combustion engine, photovoltaic, The mechanical, electrical energy storage of ice cold-storage, wind, gas fired-boiler, water accumulation of heat, afterheat steam are recycled.

Further, in described step one, lower floor's control system carries out the detailed process from the optimal control that becomes to user For：

1) power purchase total cost C is calculated_gridWith purchase gas total cost C_gas, computing formula is as follows

2) calculate a user and always purchase energy expense f₁Minimum value, computing formula is as follows

min f₁=C_grid+C_gas (2)

Wherein, the hop count when H in formula (1) is dispatching cycle；It is scheduling slot t=1,2,3 ... H from the purchase of power distribution network Electricity；For the tou power price of t；To buy the unit calorific value price of combustion gas；During respectively t Carve the generated output of miniature combustion engine and the heat production power of gas fired-boiler；η_MT、η_GFBIt is divided into the efficiency of miniature combustion engine and gas fired-boiler.

Further, in described step one, the constraints for parameters in user's Typical Disposition is as follows：

1) electrical power Constraints of Equilibrium

2) flue gas Constraints of Equilibrium

α_MT,smokeP_MT=Q_HRSG,smoke+Q_HX,smoke (4)

3) steam power Constraints of Equilibrium

4) heating power balance is constrained

5) cold power-balance constraint

6) electricity of each equipment operation, thermal power constraint

7) to battery, following charge and discharge power constraint, energy storage capacity constraint and the front and rear storage of discharge and recharge should be met simultaneously The equality constraint of energy：

The charging constraint of battery：

0≤P_BS,C≤Cap_BSγ_BS,C (9)

The electric discharge constraint of battery：

0≤P_BS,D≤Cap_BSγ_BS,D (10)

Accumulator electric-quantity is constrained：

W_BS,min≤W_BS≤W_BS,max (11)

Reserve of electricity before and after accumulator cell charging and discharging：

In formula (3)-(12)：P_PVFor the power of photovoltaic, P_WTFor the power of blower fan, P_BS,C、P_BS,DIt is divided into filling, putting for electric energy storage Electrical power, P_A/CFor the electrical power of base main chiller, L_EFor electric load power, P_HPFor the electrical power of heat pump,It is divided into The ice making of Double-working-condition main frame, the electrical power of refrigeration, α_MT,smokeFor the hotspot stress of miniature combustion engine, Q_HRSG,smoke、Q_HX,smokeIt is divided into waste heat pot The thermal power for the flue gas that stove retracting device, flue gas heat-exchange unit absorb, Q_GFB,steamFor the thermal power of gas fired-boiler producing steam,For the thermal power of waste heat boiler output, Q_GFB,heatFor the thermal power of gas fired-boiler output, Q_TS、Q_HLRespectively steam is born Lotus, thermic load, Q_HX,steamIt is divided into thermal power, the Q of vapor heat exchanger_RA,D、Q_RA,CThe heat that respectively regenerative apparatus is exported and inputted Power, Respectively Double-working-condition host work is in refrigeration, the cold power of ice making operating mode output, Q_IS,DFreeze for ice-melt Power, Q_A/CFor the refrigeration work consumption of base main chiller, Q_CLFor refrigeration duty, Cap_BSFor the capacity of battery, γ_BS,C、γ_BS,DRespectively Maximum charge multiplying power, for maximum discharge-rate, W_BS,min、W_BS,maxRespectively the maximum of battery, minimum reserve of electricity,Electricity, σ respectively before and after charge and discharge_BSFor self-discharge rate, η_BS,C、η_BS,DRespectively efficiency for charge-discharge, Δ t are tune Spend the cycle.

Further, in described step five and step 7, the mistake that top level control system of users is adjusted or interrupted Cheng Zhong, by the indemnity agreement signed in advance, carries out user regulation compensation and interrupts compensating.

Further, compensate and interrupt for regulation and compensate, the calculating process of compensation standard is as follows：

1) implementation cost of i-th of user is calculated

In formula：T is that i-th of user participates in the interactive time；α_IDR,iFor the unit obtained to i-th of user's reduction plans Reduction valence compensation；ΔL_DR,iFor the peak load of i-th of user's reduction；

2) garden energy provider net profit maximum is calculated

maxf₂=E_selling-C_souce-C_IDR,i (14)

In formula：f₂For garden energy provider net profit, E_sellingFor garden comprehensive energy provider to user's cooling, supply The income that heat, power supply station obtain, C_souceFor the purchase energy cost of comprehensive energy provider, C_IDR,iFor comprehensive energy provider to The valence compensation that i-th of user pays, wherein：

E_selling=E_elc+E_heat+E_cooling (15)

C_souce=C_grid+C_gas (16)

E in formula_elcFor the power selling income of comprehensive energy provider acquisition, E_heatHeat is sold for what comprehensive energy provider obtained Income, E_coolingCold income is sold for what comprehensive energy provider obtained.

Further, garden critical point maximum load power Pg meets following constraints：

In formula：Pg is garden critical point load power；For garden critical point load power higher limit.

Further, the administrative straight tune equipment of top level control system need to meet the constraint bar of following balance in garden simultaneously Part：Electrical power balance, heating power balance, flue gas balance, steam power balance, cold power-balance, battery balance, regenerative apparatus Balance, cold accumulating device by ice balance.

The beneficial effects of the invention are as follows：

1st, integrated energy system is divided into upper strata garden layer and underlying User layer, using the coordination controlling party of layered distribution type Method, garden layer control system is being allowed garden critical point Power Control by straight raise wages source and user response resource in garden Limitation, client layer control system is realized from the excellent control that becomes by the way that user resources are carried out with reasonably optimizing.

2nd, the invention is adjusted for the energy behaviour in service of user under normal circumstances, is made with user itself benefit It is realization of goal from becoming excellent control, both can fully integrates the efficient resource using user, the efficiency of actual of the raising energy, And the purchase energy expense of user can be effectively reduced, the income of user is improved, meanwhile, remaining controllable resources response garden peak clipping is needed Ask, on this basis, source and user response resource are directly raised wages with total peak clipping cost in garden control system combination garden in upper strata Minimum target is optimized.

3rd, power network peak clipping is realized using control strategy stage by stage using optimization method from bottom to top on control strategy, First stage directly raised wages using garden source carry out peak clipping, second stage user can adjust load participate in response peak clipping, the phase III User's interruptible load participates in response peak clipping, and the specific aim that effectively can be carried out step by step for payload is handled, it is possible to reduce The wasting of resources.

Brief description of the drawings

Fig. 1 is the theory diagram of upper and lower layer system of the invention；

Fig. 2 is the typical application schematic diagram of underlying system of the present invention；

Fig. 3 is the flow chart of the inventive method.

Embodiment

To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool Body embodiment is described in detail.Those skilled in the art are it is to be understood that following specific embodiments or embodiment, are these Invent for the set-up mode for the series of optimum that the specific content of the invention is enumerated is explained further, and between those set-up modes Can be combined with each other or it is interrelated use, unless the present invention clearly propose some of which or a certain specific reality Setting can not be associated or be used in conjunction with other embodiments or embodiment by applying example or embodiment.Meanwhile, it is following Specific embodiment or embodiment only as optimize set-up mode, and not as limit protection scope of the present invention reason Solution.

Towards the integrated energy system layered distribution type control method for coordinating of power network peak clipping, the control method is divided into two layers, The Interest Main Body of lower floor is each user, and the Interest Main Body on upper strata is industrial park, and integrated energy system layered distribution type is coordinated Peak clipping schematic diagram is illustrated in fig. 1 shown below, and the principle and thinking of control method are illustrated below for the different main body of upper and lower layer.

Lower floor's Distributed Autonomous control method

Each plant area user in lower floor's control system, its control targe is by the reasonable tune to itself controllable resources Degree, reduces purchase energy expense, increases economic efficiency, reach the purpose from the excellent operation that becomes.Fig. 2 gives typical user's configuration signal Figure, including following items：Miniature combustion engine, photovoltaic, ice cold-storage, the mechanical, electrical energy storage of wind, gas fired-boiler, water accumulation of heat, afterheat steam reclaim profit With.Specific lower floor's Controlling model is given below.

The object function controlled is：

min f₁=C_grid+C_gas (1)

In formula：f₁For the purchase energy expense of each user always, C_gridFor the total power purchase expense of each user.C_gasFor combustion gas need to be consumed User buys the expense of natural gas.

Power purchase expense, the computing formula difference of purchase gas expense are as follows：

In formula：Hop count when H is dispatching cycle；It is scheduling slot t=1,2,3 ... H from the purchase of electricity of power distribution network；For The tou power price of t；To buy the unit calorific value price of combustion gas；The respectively generating work(of t miniature combustion engine The heat production power of rate and gas fired-boiler；η_MT、η_GFBIt is divided into the efficiency of miniature combustion engine and gas fired-boiler.

For various projects in user's Typical Disposition, such as miniature combustion engine, photovoltaic, ice cold-storage, the mechanical, electrical energy storage of wind, gas-fired boiler Stove, water accumulation of heat, afterheat steam recycling etc. are, it is necessary to consider some constraintss present in calculating process, particular content is such as Under：

1) electrical power Constraints of Equilibrium

2) flue gas Constraints of Equilibrium

α_MT,smokeP_MT=Q_HRSG,smoke+Q_HX,smoke (4)

3) steam power Constraints of Equilibrium

4) heating power balance is constrained

5) cold power-balance constraint

6) electricity of each equipment operation, thermal power constraint

7) to battery, following charge and discharge power constraint, energy storage capacity constraint and the front and rear storage of discharge and recharge should be met simultaneously The equality constraint of energy：

The charging constraint of battery；

0≤P_BS,C≤Cap_BSγ_BS,C (9)

The electric discharge constraint of battery；

0≤P_BS,D≤Cap_BSγ_BS,D (10)

Accumulator electric-quantity is constrained；

W_BS,min≤W_BS≤W_BS,max (11)

Reserve of electricity before and after accumulator cell charging and discharging；

In formula (3)-(12)：P_PVFor the power of photovoltaic, P_WTFor the power of blower fan, P_BS,C、P_BS,DIt is divided into filling, putting for electric energy storage Electrical power, P_A/CFor the electrical power of base main chiller, L_EFor electric load power, P_HPFor the electrical power of heat pump,It is divided into The ice making of Double-working-condition main frame, the electrical power of refrigeration, α_MT,smokeFor the hotspot stress of miniature combustion engine, Q_HRSG,smoke、Q_HX,smokeIt is divided into waste heat pot The thermal power for the flue gas that stove retracting device, flue gas heat-exchange unit absorb, Q_GFB,steamFor the thermal power of gas fired-boiler producing steam,For the thermal power of waste heat boiler output, Q_GFB,heatFor the thermal power of gas fired-boiler output, Q_TS、Q_HLRespectively steam is born Lotus, thermic load, Q_HX,steamIt is divided into thermal power, the Q of vapor heat exchanger_RA,D、Q_RA,CThe heat that respectively regenerative apparatus is exported and inputted Power, Respectively Double-working-condition host work is in refrigeration, the cold power of ice making operating mode output, Q_IS,DFreeze for ice-melt Power, Q_A/CFor the refrigeration work consumption of base main chiller, Q_CLFor refrigeration duty, Cap_BSFor the capacity of battery, γ_BS,C、γ_BS,DRespectively Maximum charge multiplying power, for maximum discharge-rate, W_BS,min、W_BS,maxRespectively the maximum of battery, minimum reserve of electricity, Electricity, σ respectively before and after charge and discharge_BSFor self-discharge rate, η_BS,C、η_BS, D be respectively efficiency for charge-discharge, Δ t be dispatching cycle, h。

The constraints of the energy storage devices such as regenerative apparatus, cold accumulating device by ice is similar with battery, will not be repeated here.

Concentrate coordination control strategy in upper strata

Upper strata garden control system under normal operating conditions for cold heat/electricity supply and demand in guarantee garden put down by its control targe Weighing apparatus, on the premise of garden critical point load peak is not out-of-limit, realizes the economical operation of administrative straight tune equipment.In garden critical point load Peak value is more prescribed a time limit, and equipment and lower floor's demand response progress peak clipping are directly adjusted by garden, and the different interactive users of response are participated in analysis Electricity price is subsidized, and with the minimum target of reimbursement for expenses (namely garden comprehensive energy provider net profit is maximum), reasonable selection is adjustable Control resource and carry out peak clipping.

Demand response (Demand response, DR) can improve the load curve of power network, participate in the user of response and can obtain Obtain valence compensation necessarily.Such as some flexible loads of user side can be adjusted by power, ordered electric, step-down energy-conservation Measures such as (Conservation voltage reduction, VCR) obtains certain adjustability.In case of emergency, Also can interrupt unit user realize peak clipping.By signing an agreement in advance, user, which participates in DR, can obtain regulation compensation and interrupt compensation, Then the implementation cost of i-th of user is represented by：

In formula：T is that i-th of user participates in the interactive time；α_IDR,iFor the unit obtained to i-th of user's reduction plans Reduction valence compensation；Δ LDR, i are the peak load of i-th of user's reduction.

Object function in the strategy is：

maxf₂=E_selling-C_souce-C_IDR,i (14)

In formula：f₂For garden energy provider net profit, E_sellingFor garden comprehensive energy provider to user's cooling, supply The income that heat, power supply station obtain, C_souceFor the purchase energy cost of comprehensive energy provider, C_IDR,iFor comprehensive energy provider to The valence compensation that i-th of user pays, wherein：

E_selling=E_elc+E_heat+E_cooling (15)

C_souce=C_grid+C_gas (16)

E in formula_elcFor the power selling income of comprehensive energy provider acquisition, E_heatHeat is sold for what comprehensive energy provider obtained Income, E_coolingCold income is sold for what comprehensive energy provider obtained.The wherein purchase energy expense C of garden_souceComputational methods are with using Family is similar, will not be repeated here.

In addition, the administrative straight tune equipment in upper strata also needs to meet the constraints such as electric equilibrium in garden, thermal balance, flue gas balance, Model is similar with user, will not be repeated here.

Either top level control or lower floor's control, all need to meet a constraints, that is, garden critical point is maximum Load power

In formula：Pg is garden critical point load power；For garden critical point load power higher limit.To realize and power network friend Good interaction, garden comprehensive energy provider must ensure that garden critical point power is not out-of-limit.

With reference to described above on top level control and lower floor's two kinds of Controlling models of control or strategy, levels of the present invention are whole The thinking of body scheduling is as follows：

Upper strata scheduling target be：Ensure garden safety and stability on the premise of, realize itself investment, operating cost most It is small.When a larger increase occurs in customer charge, upper strata scheduling increase generator, straight tune energy storage are exerted oneself, and adjustable user is cut Peak, it is ensured that critical point power is not out-of-limit.Interactive user progress user's reduction load peak clipping is being required, need to met to different interactive users The compensation electricity price for participating in demand response is minimum.

Specific situation can be divided into following 3 stages：

Stage one：Customer charge increase garden critical point power is more prescribed a time limit, and upper strata scheduling need to be to garden generator output, straight tune The discharge and recharge of energy storage, generator carry out reasonable economic load dispatching and carry out peak clipping, and the electricity consumption behavior of user can't be limited (i.e. It not may require that user carries out demand response)；

Stage two：Customer charge increase is larger, and garden generator, straight tune energy storage can not stabilize the increase of load, critical point work( Rate is out-of-limit, the safety and stability of power network in influence garden, but can stabilize load fluctuation by adjustable user.Dispatch upper strata garden Lower floor can adjust and send instructions under user, interactive user carries out Reasonable adjustment to itself load, peak regulation is participated according to instruction, reached Power-balance, realizes the stabilization of power network.

Stage three：Customer charge increase is very big, and garden generator, straight tune energy storage can not stabilize the increase of load, critical point work( Rate is out-of-limit, the safety and stability of power network in influence garden, and can stabilize load fluctuation by adjustable user merely.Upper strata garden Scheduling can be interrupted to lower floor to send instructions under user, and interactive user is rationally interrupted to itself load, and peak regulation is participated according to instruction, Power-balance is reached, the stabilization of power network is realized.

The flow chart of levels integrated scheduling is as shown in figure 3, comprise the following steps：

Step one：For typical user's configuration of client layer, lower floor's control system is carried out to user from the optimal control that becomes；

Step 2：The power information at top level control system acquisition critical point, judges whether energy resource system overall peaks meet reality Border demand, if meeting, keeps underlying User to be run according to the scheme for the optimization that becomes certainly；If it is not satisfied, into step 3；

Step 3：The electric power that garden release in upper strata is advanced for, increase is straight to adjust energy storage to exert oneself and generator output；

Step 4：Top level control system gathers the power information at critical point again, judges whether critical point power is out-of-limit, if not getting over Limit, keeps underlying User to be run according to the scheme of step 3, if out-of-limit, into step 5；

Step 5：Top level control system can adjust to lower floor to send instructions under user, and interactive user is closed to itself load Reason adjustment, participates in peak regulation according to instruction, reaches power-balance, realize the stabilization of power network；

Step 6：Top level control system continues to gather the power information at critical point, judges whether critical point power is out-of-limit, if not getting over Limit, keeps underlying User to be run according to the scheme of step 5, if out-of-limit, into step 7；

Step 7：Upper strata garden control system can be interrupted to lower floor to send instructions under user, and interactive user is carried out to itself load Rationally interrupt, peak regulation is participated according to instruction, power-balance is reached, realizes the stabilization of power network.

It should be pointed out that the above embodiment can make those skilled in the art that the present invention is more fully understood Concrete structure, but do not limit the invention in any way create.Therefore, although specification and drawings and Examples are to the present invention Creation has been carried out detailed description, it will be understood by those skilled in the art, however, that still can be repaiied to the invention Change or equivalent；And technical scheme and its improvement of all spirit and scope for not departing from the invention, it is covered Among the protection domain of the invention patent.

Claims (8)

1. towards the integrated energy system layered distribution type control method for coordinating of power network peak clipping, energy resource system is divided into by this method Layer control system and lower floor's control system, top level control system are garden layer, and the main body of top level control system is industrial park, under Layer control system is client layer, and the main body of client layer is plant area user,

Characterized in that, described method comprises the following steps：

Step one：For typical user's configuration of client layer, lower floor's control system is carried out to user from the optimal control that becomes；

Step 2：The power information at top level control system acquisition critical point, judges whether energy resource system overall peaks meet actual need Ask, if meeting, keep underlying User to be run according to the scheme for the optimization that becomes certainly；If it is not satisfied, into step 3；

Step 3：The electric power that garden release in upper strata is advanced for, increase is straight to adjust energy storage to exert oneself and generator output；

Step 4：Top level control system gathers the power information at critical point again, judges whether critical point power is out-of-limit, if not out-of-limit, Underlying User is kept to be run according to the scheme of step 3, if out-of-limit, into step 5；

Step 5：Top level control system can adjust to lower floor to send instructions under user, and interactive user is rationally adjusted to itself load It is whole, peak regulation is participated according to instruction, power-balance is reached, realizes the stabilization of power network；

Step 6：Top level control system continues to gather the power information at critical point, judges whether critical point power is out-of-limit, if not out-of-limit, Underlying User is kept to be run according to the scheme of step 5, if out-of-limit, into step 7；

Step 7：Upper strata garden control system can be interrupted to lower floor to send instructions under user, and it is reasonable that interactive user is carried out to itself load Interrupt, peak regulation is participated according to instruction, power-balance is reached, realizes the stabilization of power network.

2. the integrated energy system layered distribution type control method for coordinating according to claim 1 towards power network peak clipping, its It is characterised by, in described step one, typical user's configuration of client layer includes following items：Miniature combustion engine, photovoltaic, ice cold-storage, The mechanical, electrical energy storage of wind, gas fired-boiler, water accumulation of heat, afterheat steam are recycled.

3. the integrated energy system layered distribution type control method for coordinating according to claim 2 towards power network peak clipping, its It is characterised by, in described step one, lower floor's control system is to the detailed process of user progress from the optimal control that becomes：

1) power purchase total cost C is calculated_gridWith purchase gas total cost C_gas, computing formula is as follows

$\left\{\begin{array}{c}{C}_{grid}=\underset{t=1}{\overset{H}{\Σ}}\left(c_{grid}^t{P}_{grid}^t\mathrm{\Δ}t\right)\\ C_{gas}=c_{gas}^t\underset{t=1}{\overset{H}{\Σ}}(\frac{P_{MT}^t}{{\mathrm{\η}}_{MT}}+\frac{Q_{GFB}^t}{{\mathrm{\η}}_{GFB}})\mathrm{\Δ}t\end{array}\right.---\left(1\right)$

2) calculate a user and always purchase energy expense f₁Minimum value, computing formula is as follows

min f₁=C_grid+C_gas (2)

Wherein, the hop count when H in formula (1) is dispatching cycle；It is scheduling slot t=1,2,3 ... H from the purchase of electricity of power distribution network；For the tou power price of t；To buy the unit calorific value price of combustion gas；The respectively micro- combustion of t The generated output of machine and the heat production power of gas fired-boiler；η^MT、η^GFBIt is divided into the efficiency of miniature combustion engine and gas fired-boiler.

4. the integrated energy system layered distribution type control method for coordinating according to claim 3 towards power network peak clipping, its It is characterised by, in described step one, the constraints for various device parameters in user's Typical Disposition is as follows：

1) electrical power Constraints of Equilibrium

$P_{grid}+P_{MT}+P_{PV}+P_{WT}+P_{BS,D}=L_E+P_{A/C}+P_{HP}+P_{DMME}^{ice}+P_{DMME}^{cooling}+P_{BS,C}---\left(3\right)$

2) flue gas Constraints of Equilibrium

α_MT,smokeP_MT=Q_HRSG,smoke+Q_HX,smoke (4)

3) steam power Constraints of Equilibrium

${\mathrm{\η}}_{HRSG,smoke}{Q}_{HRSG,smoke}^{out}+Q_{GFB,steam}=Q_{TS}+Q_{HX,steam}---\left(5\right)$

4) heating power balance is constrained

$Q_{HRSG,heat}^{out}+Q_{GFB,heat}+Q_{RA,D}=Q_{HL}+Q_{RA,C}---\left(6\right)$

5) cold power-balance constraint

$Q_{DMME}^{cooling}+Q_{IS,D}+Q_{A/C}=Q_{CL}+Q_{DMME}^{ice}---\left(7\right)$

6) electricity of each equipment operation, thermal power constraint

$\left\{\begin{array}{c}{P}_{min}\≤P\≤P_{max}\\ Q_{min}\≤Q\≤Q_{max}\end{array}\right.---\left(8\right)$

7) to battery, should meet simultaneously following charge and discharge power constraint, energy storage capacity constraint and discharge and recharge before and after energy storage capacity Equality constraint：

The charging constraint of battery：

0≤P_BS,C≤Cap_BSγ_BS,C (9)

The electric discharge constraint of battery：

0≤P_BS,D≤Cap_BSγ_BS,D (10)

Accumulator electric-quantity is constrained：

W_BS,min≤W_BS≤W_BS,max (11)

Reserve of electricity before and after accumulator cell charging and discharging：

$W_{BS}^{t+1}=W_{BS}^t(1-{\mathrm{\σ}}_{BS})+(P_{BS,C}{\mathrm{\η}}_{BS,C}-\frac{P_{BS,D}}{{\mathrm{\η}}_{BS,D}})\mathrm{\Δ}t---\left(12\right)$

In formula (3)-(12)：P_PVFor the power of photovoltaic, P_WTFor the power of blower fan, P_BS,C、P_BS,DIt is divided into the charge and discharge work(of electric energy storage Rate, P_A/CFor the electrical power of base main chiller, L_EFor electric load power, P_HPFor the electrical power of heat pump,It is divided into duplex The ice making of condition main frame, the electrical power of refrigeration, α_MT,smokeFor the hotspot stress of miniature combustion engine, Q_HRSG,smoke、Q_HX,smokeIt is divided into waste heat boiler to return The thermal power for the flue gas that receiving apparatus, flue gas heat-exchange unit absorb, Q_GFB,steamFor the thermal power of gas fired-boiler producing steam,For The thermal power of waste heat boiler output, Q_GFB,heatFor the thermal power of gas fired-boiler output, Q_TS、Q_HLRespectively steam load, heat are negative Lotus, Q_HX,steamIt is divided into thermal power, the Q of vapor heat exchanger_RA,D、Q_RA,CRespectively regenerative apparatus output and input thermal power,Respectively Double-working-condition host work is in refrigeration, the cold power of ice making operating mode output, Q_IS,DFor ice-melt refrigeration work consumption, Q_A/CFor the refrigeration work consumption of base main chiller, Q_CLFor refrigeration duty, Cap_BSFor the capacity of battery, γ_BS,C、γ_BS,DRespectively maximum is filled Electric multiplying power, for maximum discharge-rate, W_BS,min、W_BS,maxRespectively the maximum of battery, minimum reserve of electricity,Respectively Electricity, σ before and after charge and discharge_BSFor self-discharge rate, η_BS,C、η_BS,DRespectively efficiency for charge-discharge, Δ t are dispatching cycle.

5. the integrated energy system layered distribution type control method for coordinating according to claim 1 towards power network peak clipping, its It is characterised by, in described step five and step 7, during top level control system of users is adjusted or interrupted, passes through The indemnity agreement signed in advance, carries out user regulation compensation and interrupts compensating.

6. the integrated energy system layered distribution type control method for coordinating according to claim 5 towards power network peak clipping, its It is characterised by, being compensated for regulation and interrupting compensation, the calculating process of compensation standard is as follows：

1) implementation cost of i-th of user is calculated

$C_{DR,i}=\underset{t=1}{\overset{T}{\Σ}}{\mathrm{\α}}_{DR,i}{\mathrm{\ΔL}}_{DR,i}---\left(13\right)$

In formula：T is that i-th of user participates in the interactive time；α_IDR,iFor the unit reduction obtained to i-th of user's reduction plans Measure valence compensation；ΔL_DR,iFor the peak load of i-th of user's reduction；

2) garden energy provider net profit f is calculated₂Maximum

max f₂=E_selling-C_souce-C_IDR,i (14)

In formula：f₂For garden energy provider net profit, E_sellingIt is garden comprehensive energy provider to user's cooling, heat supply, confession The income that electricity is obtained, C_souceFor the purchase energy cost of comprehensive energy provider, C_IDR,iIt is comprehensive energy provider to i-th The valence compensation that user pays, wherein：

E_selling=E_elc+E_heat+E_cooling (15)

C_souce=C_grid+C_gas (16)

E in formula_elcFor the power selling income of comprehensive energy provider acquisition, E_heatFor comprehensive energy provider obtain sell heat income, E_coolingCold income is sold for what comprehensive energy provider obtained.

7. the integrated energy system layered distribution type control method for coordinating according to claim 1 towards power network peak clipping, its It is characterised by, in method implementation process, garden critical point maximum load power Pg meets following constraints：

$P_g\≤P_{line}^{\max }---\left(17\right)$

In formula：Pg is garden critical point load power；For garden critical point load power higher limit.

8. the integrated energy system layered distribution type control method for coordinating according to claim 1 towards power network peak clipping, its It is characterised by, in step 5, the administrative straight tune equipment of top level control system need to meet the constraint of following balance in garden simultaneously Condition：Electrical power balance, heating power balance, flue gas balance, steam power balance, cold power-balance, battery balance, accumulation of heat dress Horizontalization weighing apparatus, cold accumulating device by ice balance.