CN102506477B - Heat and power cogeneration unit and wind power generation combined refrigeration system and scheduling method thereof - Google Patents

Abstract

The invention discloses a heat and power cogeneration unit and wind power generation combined refrigeration system and a scheduling method thereof. A user adopts a refrigeration fan coil method and an air conditioner power consumption method for refrigeration. Cooling water used by the refrigeration fan coil comes from the output of a heat and power cogeneration unit. Power is jointly provided by the heat and power cogeneration unit and a wind power generator unit. After a comprehensive scheduling control device detects energy supply and energy consumption situation of a certain period, a prediction is made for a future certain period; on the premise that power supply and heat energy supply are satisfied, hot water flow for refrigeration is reduced, a compensation is made through refrigeration by consuming power, and the refrigeration by consuming power not only can compensate the deficiency of refrigeration, but also can increase the power load at a valley period; and in combination with wind power generation and heat and power cogeneration, the output of heat and power cogeneration and the change of user power consumption load are regulated according to the fluctuation of wind power generation, and through equal detection cycles and regulation cycles, the user-side smooth output equivalent to wind power is realized.

Description

Cogeneration units and wind power generation combined refrigeration system and dispatching method thereof

Technical field

The invention belongs to clean energy resource comprehensive utilization technique field, relate to a kind of cogeneration units and wind power generation combined refrigeration system and dispatching method thereof.

Background technology

Regenerative resource has green clean feature, and development in recent years rapidly.But take wind-powered electricity generation as example, wind-powered electricity generation is when providing clean low-carbon energy, and the extensive grid-connected of wind energy turbine set brought adverse effect also to power grid security economical operation.After large-scale wind power field is grid-connected, due to it, to go out fluctuation larger, and power swing is usually contrary with power load fluctuation tendency, calm available peak period at load, and occur in the load valley period situation that wind energy is abundant.This anti-peak regulation characteristic of wind-powered electricity generation, by causing the further expansion of system peak-valley difference, has strengthened the difficulty of dispatching of power netwoks, on dispatching of power netwoks operation, Control of Voltage, peak load regulation network etc., all will produce a series of impacts.Due to correlative study imperfection, abandon wind phenomenon serious.For example, Inner Mongolia Power Grid wind-powered electricity generation on daytime can both oepration at full load, but to the rear ight electric load low ebb phase, for guaranteeing to use city electricity consumption, wind-powered electricity generation haves no alternative but take the measure of " abandoning wind ", very unfortunate.

Summary of the invention

The problem that the present invention solves is to provide a kind of cogeneration units and wind power generation combined refrigeration system and dispatching method thereof, by the comprehensive regulation to heat energy, electric energy, realizes smoothly exerting oneself of wind-power electricity generation, improves effective utilization of wind-power electricity generation.

The present invention is achieved through the following technical solutions:

And a wind power generation combined refrigeration system, comprising:

The coal-fired steam extraction and condensing formula cogeneration units of the hot water that is used for output electric power and supplies to freeze;

Centralized heat absorption formula refrigeration machine, input connects the hot water outlet of coal-fired steam extraction and condensing formula cogeneration units, produces cold water after heat exchange, and output connects cooling pipeline;

Wind power generating set for output electric power;

By the power cable net user's in parallel with coal-fired steam extraction and condensing formula cogeneration units and wind power generating set air-conditioner; Control the air-conditioner remote control switch of air-conditioner;

Gather the ammeter of the non-refrigeration power consumption of user;

The user's who is connected with centralized heat absorption formula refrigeration machine by cooling pipeline refrigeration fan coil pipe; Refrigeration fan coil pipe cold water consumes gauge table, detects the cold water consumption of refrigeration fan coil pipe; Control the refrigeration fan coiling pipe bender remote control switch of refrigeration fan coil pipe;

The first long-distance centralized control device, gathers comprising for the hot water flow of refrigeration and the production capacity information of generated output electric weight of coal-fired steam extraction and condensing formula cogeneration units, sends the production capacity information of collection to integrated dispatch control device; The first long-distance centralized control device also receives the scheduling control signal that integrated dispatch control device sends, and according to scheduling control signal, controls coal-fired thermal power coproduction unit and control actuating unit action;

The second long-distance centralized control device, the production capacity information of the generated output electric weight of collection wind power generating set, sends the production capacity information of collection to integrated dispatch control device;

The 3rd long-distance centralized control device, record user's refrigeration fan coil pipe and the pipeline range information between centralized heat absorption formula refrigeration machine, and gather and to comprise that user's non-cooling electric weight and refrigeration fan coil pipe cold water consume cold water influx that gauge table detects and the power consumption information of non-refrigeration power consumption; Send the power consumption information of user's pipeline range information and collection to integrated dispatch control device;

The 3rd long-distance centralized control device also receives the scheduling control signal that integrated dispatch control device sends, and drives air-conditioner remote control switch and/or refrigeration fan coiling pipe bender remote control switch to perform an action according to scheduling control signal;

Integrated dispatch control device, according to reception production capacity information, user's pipeline range information and power consumption information, produce regulation and control control signal, to the first long-distance centralized control device and/or the 3rd long-distance centralized control device, send regulation and control control signal.

Integrated dispatch control device is according to the coal-fired steam extraction and condensing formula cogeneration units, the production capacity information of wind power generating set and user's the power consumption information that receive, guaranteeing to meet under the condition that electric power is supplied with and refrigeration is supplied with, reduce the hot water flow for refrigeration of coal-fired steam extraction and condensing formula cogeneration units, the hot water flow that reduces refrigeration causes the needed refrigeration deficiency of user to be freezed to compensate by air-conditioner power consumption;

Integrated dispatch control device sends and comprises hot water flow and generated output electric weight for refrigeration, user's the cool water quantity of refrigeration fan coil pipe consumption and the regulation and control control signal of the refrigeration electric power consumption of air-conditioner of coal-fired steam extraction and condensing formula cogeneration units in scheduling time.

Described integrated dispatch control device comprises:

Receive the production capacity information of coal-fired steam extraction and condensing formula cogeneration units and wind power generating set, the first data receiver unit of user's power consumption information and user pipe range information;

By the data decoder unit of all decoding datas that receive;

The data memory unit that decoded all data are stored;

Generate the scheduling control signal computing unit of scheduling control signal;

The signal coder that described scheduling control signal is encoded; And

Scheduling control signal after coding is passed to the transmitting element of the first long-distance centralized control device, the 3rd long-distance centralized control device.

Integrated dispatch control device is connected with cloud computing service system by power optical fiber, and drives cloud computing service system-computed, to obtain scheduling control signal; Integrated dispatch control device receives by power optical fiber the scheduling control signal that cloud computing service system obtains, and then via power cable or wireless transmission method, sends scheduling control signal to the first long-distance centralized control device and/or the 3rd long-distance centralized control device.

Described refrigeration fan coiling pipe bender remote control switch, is coupled with remote control mode and integrated dispatch control device by the 3rd long-distance centralized control device; Air-conditioner remote control switch, is coupled with remote control mode and integrated dispatch control device by the 3rd long-distance centralized control device; On air-conditioner, be also provided with the special-purpose electric energy meter of air-conditioner, detect the power consumption of its refrigeration, this power consumption is also gathered by the 3rd long-distance centralized control device;

Coal-fired steam extraction and condensing formula cogeneration units is controlled actuating unit, by the first long-distance centralized control device, with remote control mode and integrated dispatch control device, is coupled; Coal-fired steam extraction and condensing formula cogeneration units is controlled actuating unit according to scheduling control signal, controls connected coal-fired material inlet valve, Boiler Steam admission valve, for the steam of refrigeration draw gas valve and generating steam flow valve event.

Described the 3rd long-distance centralized control device comprises non-refrigeration ammeter pulse counter, refrigeration cold water flow pulse counter, pulse-code converter, metering signal amplifying emission device, and interconnective control signal Rcv decoder and remote control signal generator;

Non-refrigeration ammeter pulse counter connects the non-refrigeration ammeter of user, and for detection of the non-refrigeration power consumption of user data, the non-refrigeration power consumption of user data are sent to integrated dispatch control device after pulse-code converter and the processing of metering signal amplifying emission device;

Refrigeration cold water flow pulse counter connects refrigeration fan coil pipe cold water and consumes gauge table, for detection of cold water influx, cold water influx is processed generation signal through pulse-code converter and metering signal amplifying emission device again, is sent to integrated dispatch control device together with user pipe information;

Control signal Rcv decoder, the scheduling control information that reception integrated dispatch control device sends is also decoded, and then by control signal remote control transmitter, sends to air-conditioner remote control switch, refrigeration fan coiling pipe bender remote control switch to perform an action control signal.

Described coal-fired thermal power coproduction unit is controlled actuating unit and is comprised scheduling control signal transmitting-receiving coded stack, drive circuit and mechanical gear control device, described scheduling control signal generates coal-fired thermal power coproduction machine unit scheduling control instruction after the decoding of scheduling control signal transmitting-receiving coded stack, through the Electric Traction signal Crush trigger gear control device of overdrive circuit output, mechanical gear control device controls the coal-fired material inlet valve action of coal-fired thermal power coproduction unit again, for the steam of refrigeration draw gas valve event and generating steam flow valve event.

Described cogeneration units and the dispatching method of wind power generation combined refrigeration system, comprise the following steps:

At 0～T * Δ T in the time period, Δ T is the sampling period, the number of times of T for gathering, integrated dispatch control device is according to the coal-fired steam extraction and condensing formula cogeneration units receiving, the production capacity information of wind power generating set, dope the production capacity information of following a period of time T～2T * Δ T, again in conjunction with the power consumption information of user in 0～T * Δ T time period, guaranteeing to meet under the condition that electric power is supplied with and refrigeration is supplied with, reduce the hot water flow for refrigeration of coal-fired steam extraction and condensing formula cogeneration units, reducing cold water flow causes the needed refrigeration deficiency of user to be freezed to compensate by air-conditioner power consumption, and consider that cold water flows to user's time, calculate magnitude of recruitment,

Then in T～2T * Δ T time period, integrated dispatch control device be take Δ T as the regulation and control cycle, according to electric power is supplied with and refrigeration is supplied with prediction and scheduling calculating, generate scheduling control signal and send, after the first long-distance centralized control device receiving scheduling control signal, control hot water flow and the generated output electric weight for refrigeration of coal-fired steam extraction and condensing formula cogeneration units, after the 3rd long-distance centralized control device receiving scheduling control signal, control air-conditioner power consumption and freeze to compensate the refrigeration deficiency that the minimizing of refrigeration fan coil pipe cold water causes.

The generation of the scheduling control signal of described integrated dispatch control device comprises the following steps:

1) gather variable:

1.1) gather the generated output P of coal-fired steam extraction and condensing formula cogeneration units in 0～T * Δ T time period _cHPand the heat of the supplying with centralized heat absorption formula refrigeration machine H that exerts oneself (t) _cHP, and send to integrated dispatch control device (t); Δ T is the sampling period, the number of times of T for gathering, and T is natural number;

Gather 0～M wind-driven generator at 0～T * Δ generated output of T time period

and send to integrated dispatch control device;

1.2) gather 0～T * Δ T in the time period, 0～N user's following information: the pipeline of the centralized heat absorption formula refrigeration machine of user's distance is apart from S _i, non-refrigeration power consumption P _i(t), the consumption H of refrigeration fan coil pipe refrigeration _iand the installed capacity of air-conditioner (t)

and send to integrated dispatch control device;

2) calculate following variable:

2.1) calculate wind-driven generator at 0～T * Δ gross capability of T time period

then according to gross capability

utilize statistical analysis technique, the wind-driven generator gross capability P of prediction T～2T * Δ T time period _wind(t);

By gathering the generated output P of coal-fired steam extraction and condensing formula cogeneration units in 0～T * Δ T time period _cHPand the heat of the supplying with centralized heat absorption formula refrigeration machine H that exerts oneself (t) _cHP(t), dope the generated output P of T～2T * Δ T time period _cHPand the heat of the supplying with centralized heat absorption formula refrigeration machine H that exerts oneself (t) _cHP(t);

2.2) calculate each user to the equivalent distances of centralized heat absorption formula refrigeration machine

v is that cold water is at ducted flow velocity; And to result of calculation is done to rounding operation

By identical s _iuser be divided into same group, count l group, s _i=l; Amount to L group, L is natural number;

To each user grouping, calculate respectively the total cooling load H that respectively organizes all users _loadand air-conditioner capacity P (l) _eHP(l);

H _load(l)=∑ H _i(t, l), H _i(t, l) is that l group user i is at t cooling load constantly;

it is the air-conditioner capacity of l group user i;

3) by above-mentioned P _cHP(t), H _cHP(t), P _load(t), H _load(l), P _eHP(l) substitution, carries out iterative by object function (1) and constraints (2～14) compositional optimization problem, take and obtains object function minimum of a value as result, obtains each variable as adjustment signal:

3.1) object function is:

$\mathrm{Min}:\mathrm{\Δp}=\sqrt{\underset{t=T}{\overset{2T}{\mathrm{\Σ}}}{(p_{\mathrm{wind}}\left(t\right)-{\stackrel{\‾}{p}}_{\mathrm{wind}})}^2/(T+1)};---\left(1\right)$

P wherein _wind(t) be the equivalent wind-powered electricity generation gross capability after regulating,

for the equivalent wind-powered electricity generation mean value of exerting oneself, its expression formula is as follows respectively:

p _wind(t)＝P _wind(t)+(p _CHP(t)-P _CHP(t))-p _EHPs(t)；(2)

Wherein, p _cHP(t) be the generated output of the coal-fired steam extraction and condensing formula cogeneration units after regulating, P _cHP(t) be the generated output of the coal-fired steam extraction and condensing formula cogeneration units of prediction, p _eHPs(t) all user's air-conditioner power consumptions while being t;

${\stackrel{\‾}{p}}_{\mathrm{wind}}=\mathrm{\Σ}{p}_{\mathrm{wind}}\left(t\right)/(T+1);---\left(3\right)$

3.2) constraints

3.2.1) refrigeration duty equilibrium equation

Reducing cold water and exert oneself, is Δ h (t) at the supply side not enough power that freezes, and its expression formula is as follows:

Δh(t)＝H _CHP(t)-h _CHP(t)；(4)

H wherein _cHP(t) heat of supplying with centralized heat absorption formula refrigeration machine for the coal-fired steam extraction and condensing formula cogeneration units doping is exerted oneself, h _cHP(t) heat that the coal-fired steam extraction and condensing formula cogeneration units after expression adjusting is supplied with centralized heat absorption formula refrigeration machine is exerted oneself;

Consider that cold water flows into user's time at pipeline, user uses the needed compensation Δ of air-conditioner h (t) to be expressed as:

$\mathrm{\Δh}\left(t\right)=\underset{l=0}{\overset{L}{\mathrm{\Σ}}}{h}_{\mathrm{EHP}}(t+l,l);(T\≤t+l\≤2T)---\left(5\right)$

H _eHP(t+l, l) is the t+l refrigeration work consumption sum of l group user air-conditioner constantly;

3.2.2) coal-fired steam extraction and condensing formula cogeneration units constraint:

Generated output lower limit: $p_{\mathrm{CHP}}^{\min }\left(t\right)=l_{\mathrm{CHP}}^{\min }\·h_{\mathrm{CHP}}\left(t\right)+n_{\mathrm{CHP}}^{\min }---\left(6\right)$

The generated output upper limit: $p_{\mathrm{CHP}}^{\max }\left(t\right)=l_{\mathrm{CHP}}^{\max }\·h_{\mathrm{CHP}}\left(t\right)+n_{\mathrm{CHP}}^{\max }---\left(7\right)$

Generated output restriction: $p_{\mathrm{CHP}}^{\min }\left(t\right)<p_{\mathrm{CHP}}\left(t\right)\&le;p_{\mathrm{CHP}}^{\max }\left(t\right)---\left(8\right)$

Supply refrigeration units limits: $5\&le;h_{\mathrm{CHP}}\left(t\right)\&le;h_{\mathrm{CHP}}^{\max }\left(t\right)---\left(9\right)$

Extra constraint cogeneration of heat and power generated output lower limit: p _cHP(t)>=P _cHP(10)

P wherein _cHP(t) be the generated output of the coal-fired steam extraction and condensing formula cogeneration units after regulating, h _cHP(t) exerting oneself for refrigeration for the coal-fired steam extraction and condensing formula cogeneration units after regulating; performance curve parameter for coal-fired steam extraction and condensing formula cogeneration units;

And the coal-fired steam extraction and condensing formula cogeneration units generated output after restriction adjusting is greater than generated output in the original plan:

p _CHP(t)≥P _CHP(t)；(11)

3.2.3) user's side air-conditioner constraints

Thermoelectricity is than constraint: h _eHP(t, l)=COP _eHPp _eHP(t, l) (12)

H _eHP(t, l) is the t refrigeration work consumption sum of l group user air-conditioner constantly, COP _eHPfor household air-conditioner coefficient;

The upper limit: 0≤p exerts oneself _eHP(t, l)≤min (P _eHP(l), H _load(l)/COP _eHP); (13)

The air-conditioner power consumption sum of all user's groups of day part:

$p_{\mathrm{EHPs}}\left(t\right)=\underset{l=0}{\overset{L}{\mathrm{\&Sigma;}}}{p}_{\mathrm{EHP}}(t,l)---\left(14\right)$

4) integrated dispatch control device generates scheduling control signal and sends according to each variable after regulating in the middle of operation result:

By the generated output p of coal-fired steam extraction and condensing formula cogeneration units _cHP(t) with for the refrigeration h that exerts oneself _cHP(t) send to the first long-distance centralized control device, control it and in future, regulate the action of day part in the time;

By user's air-conditioner power consumption p _eHP(t, l) and refrigerating capacity h _eHP(t, l) sends to the 3rd long-distance centralized control device, controls it and in future, regulates the action of day part in the time.

Compared with prior art, the present invention has following useful technique effect:

Cogeneration units provided by the invention and wind power generation combined refrigeration system and dispatching method thereof, utilize smoothly exerting oneself of wind-powered electricity generation that cogeneration units and cooling load jointly control, user adopts refrigeration fan coil pipe and two kinds of modes of air-conditioner electricity to freeze, the hot water that the cold water that wherein refrigeration fan coil pipe is used derives from cogeneration units is changed by centralized heat absorption formula refrigeration machine after exerting oneself, electric power is combined and is provided with wind power generating set by cogeneration units, by integrated dispatch control device after detecting the energy supply of phase of history time and user's power consumption situation, utilize " multiple regression " statistical analysis technique to make prediction to following a period of time, then dispatch on this basis:

Guaranteeing to meet under the condition that electric power is supplied with and refrigeration is supplied with, reduce the hot water flow for refrigeration, by power consumption, to be freezed to compensate, power consumption refrigeration both can compensate the deficiency of cold water cooling, the load of the low-valley interval that also can increase electric power;

Meanwhile, coal-fired steam extraction and condensing formula cogeneration units reduces for the hot water of refrigeration exerts oneself, and its generated output also changes accordingly, can need to increase or reduce generated output according to regulating, and according to the variation of power load, coordinates to furnish good supplies to wind-power electricity generation;

Wind-power electricity generation, cogeneration synthesis get up like this, according to the fluctuation of wind-power electricity generation, adjust the variation of exerting oneself of cogeneration of heat and power and user's power consumption load condition, based on real-time detection and prediction continuity control methods, with sense cycle and the regulating cycle equating, thereby realize smoothly the exerting oneself in user's side of wind-powered electricity generation equivalence, variation before and after adjusting as shown in Figure 6, effect highly significant.

And the present invention has also considered the otherness of two kinds of different refrigeration modes: the time delay that cold water is carried at pipeline, the instantaneity of electric power compensation refrigeration; When electric power compensation, just need to the different pipelines of refrigeration source, apart from differentiation, treat user like this, it when user compensates refrigeration, is exactly the compensation of considering cooling time difference, consider fully the energy variation of supply side and user's side, the existing level and smooth output that utilizes wind-powered electricity generation, has taken into account again user's actual demand and effective utilization of the energy.

Accompanying drawing explanation

Fig. 1 is the connection diagram of cogeneration units of the present invention and wind power generation combined refrigeration system;

Fig. 2 is the structural representation of integrated dispatch control device;

Fig. 3 is integrated dispatch control device and cloud computing connection diagram;

Fig. 4 is the structural representation of the 3rd long-distance centralized control device;

Fig. 5 is the structural representation of cogeneration units actuating unit;

Fig. 6 be former wind-powered electricity generation exert oneself with regulate after wind-powered electricity generation equivalence power curve comparison diagram.

The specific embodiment

Cogeneration units provided by the invention and wind power generation combined refrigeration system and dispatching method thereof, at supply side electric power, by cogeneration units, combine and provide with wind power generating set, cooling cold water derives from cogeneration units, user adopts refrigeration fan coil pipe and two kinds of modes of air-conditioner power consumption to freeze, on the basis of detecting in history, the energy supply of predict future a period of time and power consumption situation, reduce for the chilled water power consumption of exerting oneself and freeze to compensate, like this with respect to the fluctuation of wind-power electricity generation, user power utilization load also has the space of adjustment, and (power consumption refrigeration both can compensate the deficiency of cold water cooling, also the load of low-valley interval can increase electric power).And during the compensation of freezing two kinds of modes, consider the time delay that pipeline is carried, the instantaneity of electric power compensation refrigeration, realizes effective adjusting of whole system.Below in conjunction with concrete system form and control method the present invention is described in further detail, the explanation of the invention is not limited.

Referring to Fig. 1～Fig. 5, a kind of cogeneration units and wind power generation combined refrigeration system, comprising:

The coal-fired steam extraction and condensing formula cogeneration units A of the hot water that is used for output electric power and supplies to freeze;

Centralized heat absorption formula refrigeration machine 200, input connects the hot water outlet of coal-fired steam extraction and condensing formula cogeneration units A, produces cold water after heat exchange, and output connects cooling pipeline 114;

Wind power generating set B for output electric power;

By power cable net 113 user's in parallel with coal-fired steam extraction and condensing formula cogeneration units A and wind power generating set B air-conditioner 108; Control the air-conditioner remote control switch 117 of air-conditioner 108;

Gather the ammeter of the non-refrigeration power consumption of user;

The user's who is connected with centralized heat absorption formula refrigeration machine 200 by cooling pipeline 114 refrigeration fan coil pipe 110, refrigeration fan coil pipe 110 consumes cold water by heat exchange blowing cold air; Refrigeration fan coil pipe cold water consumes gauge table 111, detects the cold water consumption of refrigeration fan coil pipe 110; Control the refrigeration fan coiling pipe bender remote control switch 116 of refrigeration fan coil pipe 110;

The first long-distance centralized control device 1121, gathers comprising for the hot water flow of refrigeration and the production capacity information of generated output electric weight of coal-fired steam extraction and condensing formula cogeneration units A, sends the production capacity information of collection to integrated dispatch control device 115; The first long-distance centralized control device 1121 also receives the scheduling control signal that integrated dispatch control device 115 sends, and according to scheduling control signal, controls coal-fired thermal power coproduction unit and control actuating unit 118 actions;

The second long-distance centralized control device 1122, the production capacity information of the generated output electric weight of collection wind power generating set B, sends the production capacity information of collection to integrated dispatch control device 115;

The 3rd long-distance centralized control device 1123, record user's refrigeration fan coil pipe 110 and the pipeline range information between centralized heat absorption formula refrigeration machine 200, and gather and to comprise that user's non-cooling electric weight and refrigeration fan coil pipe cold water consume cold water influx that gauge table 111 detects and the power consumption information of non-refrigeration power consumption; Send the power consumption information of user's pipeline range information and collection to integrated dispatch control device 115;

The 3rd long-distance centralized control device 1123 also receives the scheduling control signal that integrated dispatch control device 115 sends, and drives air-conditioner remote control switch 117 and/or refrigeration fan coiling pipe bender remote control switch 116 to perform an action according to scheduling control signal;

Integrated dispatch control device 115, according to reception production capacity information, user's pipeline range information and power consumption information, produce regulation and control control signal, to the first long-distance centralized control device 1121 and/or the 3rd long-distance centralized control device 1123, send regulation and control control signal.

Concrete integrated dispatch control device 115 is according to the coal-fired steam extraction and condensing formula cogeneration units A, the production capacity information of wind power generating set B and user's the power consumption information that receive, guaranteeing to meet under the condition that electric power is supplied with and refrigeration is supplied with, reduce the hot water flow for refrigeration of coal-fired steam extraction and condensing formula cogeneration units A, the hot water flow that reduces refrigeration causes the needed refrigeration deficiency of user to be freezed to compensate by air-conditioner 108 power consumptions;

Integrated dispatch control device 115 sends and comprises that coal-fired steam extraction and condensing formula cogeneration units A, at hot water flow and the generated output electric weight of the confession refrigeration of scheduling time, flows into user's the cool water quantity of refrigeration fan coil pipe 110 and the regulation and control control signal of the refrigeration electric power consumption of air-conditioner 108.

Referring to Fig. 2, described integrated dispatch control device 115 comprises:

Receive the production capacity information of coal-fired steam extraction and condensing formula cogeneration units A and wind power generating set B, the first data receiver unit 201 of user's power consumption information and user pipe range information;

By the data decoder unit 202 of all decoding datas that receive;

The data memory unit 203 that decoded all data are stored;

Generate the scheduling control signal computing unit 204 of scheduling control signal;

The signal coder 205 that described scheduling control signal is encoded; And

Scheduling control signal after coding is passed to the transmitting element 206 of the first long-distance centralized control device 1121, the 3rd long-distance centralized control device 1123.

Referring to Fig. 3, integrated dispatch control device 115 is connected with cloud computing service system 917 by power optical fiber 120, and drives cloud computing service system 917 to calculate, to obtain scheduling control signal; Integrated dispatch control device 115 receives by power optical fiber 120 scheduling control signal that cloud computing service system 917 obtains, and then via power cable or wireless transmission method, sends scheduling control signal to the first long-distance centralized control device 1121 and/or the 3rd long-distance centralized control device 1123.

Concrete remote control mode is:

Described refrigeration fan coiling pipe bender remote control switch 116, is coupled with remote control mode and integrated dispatch control device 115 by the 3rd long-distance centralized control device 1123; Air-conditioner remote control switch 117, is coupled with remote control mode and integrated dispatch control device 115 by the 3rd long-distance centralized control device 1123; On air-conditioner 108, be also provided with the special-purpose electric energy meter 109 of air-conditioner, detect the power consumption of its refrigeration, this power consumption is also gathered by the 3rd long-distance centralized control device;

Coal-fired steam extraction and condensing formula cogeneration units is controlled actuating unit 118, by the first long-distance centralized control device 1121, with remote control mode and integrated dispatch control device 115, is coupled; Coal-fired steam extraction and condensing formula cogeneration units is controlled actuating unit 118 according to scheduling control signal, controls connected coal-fired material inlet valve, Boiler Steam admission valve, for the steam of refrigeration draw gas valve and generating steam flow valve event.

Referring to Fig. 4, described the 3rd long-distance centralized control device 1123 comprises non-refrigeration ammeter pulse counter, refrigeration cold water flow pulse counter, pulse-code converter, metering signal amplifying emission device, and interconnective control signal Rcv decoder and remote control signal generator;

Non-refrigeration ammeter pulse counter connects the non-refrigeration ammeter of user, and for detection of the non-refrigeration power consumption of user data, the non-refrigeration power consumption of user data are sent to integrated dispatch control device 115 after pulse-code converter and the processing of metering signal amplifying emission device;

Refrigeration cold water flow pulse counter connects refrigeration fan coil pipe cold water and consumes gauge table 111, for detection of cold water influx, cold water influx is processed generation signal through pulse-code converter and metering signal amplifying emission device again, is sent to integrated dispatch control device 115 together with user pipe information;

Control signal Rcv decoder, the scheduling control information that reception integrated dispatch control device 115 sends is also decoded, and then by control signal remote control transmitter, sends to air-conditioner remote control switch 117, refrigeration fan coiling pipe bender remote control switch 116 to perform an action control signal.

Referring to Fig. 5, described coal-fired thermal power coproduction unit is controlled actuating unit 118 and is comprised scheduling control signal transmitting-receiving coded stack 302, drive circuit 303 and mechanical gear control device 304, described scheduling control signal generates coal-fired thermal power coproduction machine unit scheduling control instruction after the decoding of scheduling control signal transmitting-receiving coded stack, through the Electric Traction signal Crush trigger gear control device of overdrive circuit output, the coal-fired material inlet valve that mechanical gear control device is controlled coal-fired thermal power coproduction unit again moves, steam draws gas valve event and generating steam flow valve event.

Dispatching method based on above-mentioned cogeneration units and wind power generation combined refrigeration system, comprises the following steps:

At 0～T * Δ T in the time period, Δ T is the sampling period, the number of times of T for gathering, integrated dispatch control device is according to the coal-fired steam extraction and condensing formula cogeneration units receiving, the production capacity information of wind power generating set, utilize " multiple regression " statistical analysis technique to dope the production capacity information of following a period of time T～2T * Δ T, again in conjunction with the power consumption information of user in 0～T * Δ T time period, guaranteeing to meet under the condition that electric power is supplied with and refrigeration is supplied with, reduce the hot water flow for refrigeration of coal-fired steam extraction and condensing formula cogeneration units, reducing cold water flow causes the needed refrigeration deficiency of user to be freezed to compensate by air-conditioner power consumption, and consider that cold water flows to user's time, calculate magnitude of recruitment,

Then in T～2T * Δ T time period, integrated dispatch control device be take Δ T as the regulation and control cycle, according to electric power is supplied with and refrigeration is supplied with prediction and scheduling calculating, generate scheduling control signal and send, after the first long-distance centralized control device receiving scheduling control signal, control hot water flow and the generated output electric weight for refrigeration of coal-fired steam extraction and condensing formula cogeneration units, after the 3rd long-distance centralized control device receiving scheduling control signal, control air-conditioner power consumption and freeze to compensate the refrigeration deficiency that the minimizing of refrigeration fan coil pipe cold water causes.

Based on real-time detection and prediction continuity control methods, with sense cycle and the regulating cycle equating, in system, regulate like this.

The generation of the scheduling control signal of concrete integrated dispatch control device comprises the following steps:

1) gather variable:

1.1) gather the generated output P of coal-fired steam extraction and condensing formula cogeneration units in 0～T * Δ T time period _cHPand the heat of the supplying with centralized heat absorption formula refrigeration machine H that exerts oneself (t) _cHP, and send to integrated dispatch control device (t); Δ T is sampling period (being specifically as follows 15～30min), the number of times of T for gathering, and T is natural number;

Gather 0～M wind-driven generator at 0～T * Δ generated output of T time period

and send to integrated dispatch control device;

1.2) gather 0～T * Δ T in the time period, 0～N user's following information: the pipeline of the centralized heat absorption formula refrigeration machine of user's distance is apart from S _i, non-refrigeration power consumption P _i(t), the consumption H of refrigeration fan coil pipe refrigeration _iand the installed capacity of air-conditioner (t)

and send to integrated dispatch control device;

2) calculate following variable:

2.1) calculate wind-driven generator at 0～T * Δ gross capability of T time period

then according to gross capability

utilize statistical analysis technique, the wind-driven generator gross capability P of prediction T～2T * Δ T time period _wind(t);

By gathering the generated output P of coal-fired steam extraction and condensing formula cogeneration units in 0～T * Δ T time period _cHPand the heat of the supplying with centralized heat absorption formula refrigeration machine H that exerts oneself (t) _cHP(t), dope the generated output P of T～2T * Δ T time period _cHPand the heat of the supplying with centralized heat absorption formula refrigeration machine H that exerts oneself (t) _cHP(t);

2.2) calculate each user to the equivalent distances of centralized heat absorption formula refrigeration machine

v is that cold water is at ducted flow velocity; And to result of calculation is done to rounding operation

By identical s _iuser be divided into same group, count l group, s _i=l; Such as by s _iall users of=10 are divided into one group, count the 10th group; Amount to L group, L is natural number;

To each user grouping, calculate respectively the total cooling load H that respectively organizes all users _loadand air-conditioner capacity P (l) _eHP(l);

H _load(l)=∑ H _i(t, l), H _i(t, l) is that l group user i is at t cooling load constantly;

it is the air-conditioner capacity of l group user i;

3) by above-mentioned P _cHP(t), H _cHP(t), P _load(t), H _load(l), P _eHP(l) substitution, by object function (1) and constraints (2～14) compositional optimization problem, carry out iterative, take and obtain object function minimum of a value as result, obtain each variable regulation and control amount of this variable of a period of time (following) as adjustment signal:

3.1) object function is:

$\mathrm{Min}:\mathrm{\&Delta;p}=\sqrt{\underset{t=T}{\overset{2T}{\mathrm{\&Sigma;}}}{(p_{\mathrm{wind}}\left(t\right)-{\stackrel{\&OverBar;}{p}}_{\mathrm{wind}})}^2/(T+1)};---\left(1\right)$

P wherein _wind(t) be the equivalent wind-powered electricity generation gross capability after regulating,

for the equivalent wind-powered electricity generation mean value of exerting oneself, its expression formula is as follows respectively:

p _wind(t)＝P _wind(t)+(p _CHP(t)-P _CHP(t))-p _EHPs(t)；(2)

Wherein, p _cHP(t) be the generated output of the coal-fired steam extraction and condensing formula cogeneration units after regulating, P _cHP(t) be the generated output of the coal-fired steam extraction and condensing formula cogeneration units of prediction, p _eHPs(t) all user's air-conditioner power consumptions while being t;

${\stackrel{\&OverBar;}{p}}_{\mathrm{wind}}=\mathrm{\&Sigma;}{p}_{\mathrm{wind}}\left(t\right)/(T+1);---\left(3\right)$

3.2) constraints

3.2.1) refrigeration duty equilibrium equation

Reducing cold water and exert oneself, is Δ h (t) at the supply side not enough power that freezes, and its expression formula is as follows:

Δh(t)＝H _CHP(t)-h _CHP(t)；(4)

Wherein, H _cHP(t) heat of supplying with centralized heat absorption formula refrigeration machine for the coal-fired steam extraction and condensing formula cogeneration units doping is exerted oneself, h _cHP(t) heat that the coal-fired steam extraction and condensing formula cogeneration units after expression adjusting is supplied with centralized heat absorption formula refrigeration machine is exerted oneself;

Consider that cold water flows into user's time at pipeline, user uses the needed compensation Δ of air-conditioner h (t) to be expressed as:

$\mathrm{\&Delta;h}\left(t\right)=\underset{l=0}{\overset{L}{\mathrm{\&Sigma;}}}{h}_{\mathrm{EHP}}(t+l,l);(T\&le;t+l\&le;2T)---\left(5\right)$

H _eHP(t+l, l) is the t+l refrigeration work consumption sum of l group user air-conditioner constantly;

3.2.2) coal-fired steam extraction and condensing formula cogeneration units constraint:

Generated output lower limit: $p_{\mathrm{CHP}}^{\min }\left(t\right)=l_{\mathrm{CHP}}^{\min }\&CenterDot;h_{\mathrm{CHP}}\left(t\right)+n_{\mathrm{CHP}}^{\min }---\left(6\right)$

The generated output upper limit: $p_{\mathrm{CHP}}^{\max }\left(t\right)=l_{\mathrm{CHP}}^{\max }\&CenterDot;h_{\mathrm{CHP}}\left(t\right)+n_{\mathrm{CHP}}^{\max }---\left(7\right)$

Generated output restriction: $p_{\mathrm{CHP}}^{\min }\left(t\right)<p_{\mathrm{CHP}}\left(t\right)\&le;p_{\mathrm{CHP}}^{\max }\left(t\right)---\left(8\right)$

Supply refrigeration units limits: $5\&le;h_{\mathrm{CHP}}\left(t\right)\&le;h_{\mathrm{CHP}}^{\max }\left(t\right)---\left(9\right)$

Extra constraint cogeneration of heat and power generated output lower limit: p _cHP(t)>=P _cHP(10)

P wherein _cHP(t) be the generated output of the coal-fired steam extraction and condensing formula cogeneration units after regulating, h _cHP(t) exerting oneself for refrigeration for the coal-fired steam extraction and condensing formula cogeneration units after regulating;

performance curve parameter for coal-fired steam extraction and condensing formula cogeneration units; And exert oneself for refrigeration for fear of coal-fired steam extraction and condensing formula cogeneration units, be 0 o'clock, restart consuming timely, in formula (11), restriction is limited to 5MW under exerting oneself for freezing;

And the coal-fired steam extraction and condensing formula cogeneration units generated output after restriction adjusting is greater than generated output in the original plan:

p _CHP(t)≥P _CHP(t)；(11)

3.2.3) user's side air-conditioner constraints

Thermoelectricity is than constraint: h _eHP(t, l)=COP _eHPp _eHP(t, l) (12)

H _eHP(t, l) is the t refrigeration work consumption sum of l group user air-conditioner constantly, COP _eHPfor household air-conditioner coefficient;

The upper limit: 0≤p exerts oneself _eHP(t, l)≤min (P _eHP(l), H _load(l)/COP _eHP); (13)

The air-conditioner power consumption sum of all user's groups of day part:

$p_{\mathrm{EHPs}}\left(t\right)=\underset{l=0}{\overset{L}{\mathrm{\&Sigma;}}}{p}_{\mathrm{EHP}}(t,l)---\left(14\right)$

4) integrated dispatch control device generates scheduling control signal and sends according to each variable after regulating in the middle of operation result:

By the generated output p of coal-fired steam extraction and condensing formula cogeneration units _cHP(t) with for the refrigeration h that exerts oneself _cHP(t) signal sends to the first long-distance centralized control device, controls it and in future, regulates the action of day part in the time;

By user's air-conditioner power consumption p _eHP(t, l) and refrigerating capacity h _eHP(t, l) sends to the 3rd long-distance centralized control device, controls it and in future, regulates the action of day part in the time.

Former wind-powered electricity generation shown in Figure 6 exert oneself with regulate after wind-powered electricity generation equivalence power curve comparison diagram, can find out that the fluctuation that wind-powered electricity generation is exerted oneself before adjusting is very large, and after regulating, it is smoother that wind-powered electricity generation equivalence is exerted oneself, front and back contrast, effect highly significant.

Claims (8)

1. cogeneration units and a wind power generation combined refrigeration system, is characterized in that, comprising:

The coal-fired steam extraction and condensing formula cogeneration units (A) of the hot water that is used for output electric power and supplies to freeze;

Centralized heat absorption formula refrigeration machine (200), input connects the hot water outlet of coal-fired steam extraction and condensing formula cogeneration units (A), produces cold water after heat exchange, and output connects cooling pipeline (114);

Wind power generating set (B) for output electric power;

By power cable net (113) user's in parallel with coal-fired steam extraction and condensing formula cogeneration units (A) and wind power generating set (B) air-conditioner (108); Control the air-conditioner remote control switch (117) of air-conditioner (108);

Gather the ammeter of the non-refrigeration power consumption of user;

The user's who is connected with centralized heat absorption formula refrigeration machine (200) by cooling pipeline (114) refrigeration fan coil pipe (110); Refrigeration fan coil pipe cold water consumes gauge table (111), detects the cold water consumption of refrigeration fan coil pipe (110); Control the refrigeration fan coil pipe remote control switch (116) of refrigeration fan coil pipe (110);

The first long-distance centralized control device (1121), gathers comprising for the hot water flow of refrigeration and the production capacity information of generated output electric weight of coal-fired steam extraction and condensing formula cogeneration units (A), sends the production capacity information of collection to integrated dispatch control device (115); The first long-distance centralized control device (1121) also receives the scheduling control signal that integrated dispatch control device (115) sends, and according to scheduling control signal, controls coal-fired thermal power coproduction unit and control actuating unit (118) action;

The second long-distance centralized control device (1122), the production capacity information of the generated output electric weight of collection wind power generating set (B), sends the production capacity information of collection to integrated dispatch control device (115);

The 3rd long-distance centralized control device (1123), record user's refrigeration fan coil pipe (110) and the pipeline range information between centralized heat absorption formula refrigeration machine (200), and collection comprises user's non-cooling electric weight and the power consumption information of the cold water influx that refrigeration fan coil pipe cold water consumption gauge table (111) detects; Send the power consumption information of user's pipeline range information and collection to integrated dispatch control device (115);

The 3rd long-distance centralized control device (1123) also receives the scheduling control signal that integrated dispatch control device (115) sends, and drives air-conditioner remote control switch (117) and/or refrigeration fan coil pipe remote control switch (116) to perform an action according to scheduling control signal;

Integrated dispatch control device (115), according to reception production capacity information, user's pipeline range information and power consumption information, produce regulation and control control signal, to the first long-distance centralized control device (1121) and/or the 3rd long-distance centralized control device (1123), send regulation and control control signal;

Integrated dispatch control device (115) is connected with cloud computing service system (917) by power optical fiber (120), and drives cloud computing service system (917) to calculate, to obtain scheduling control signal; Integrated dispatch control device (115) receives by power optical fiber (120) scheduling control signal that cloud computing service system (917) obtains, and then via power cable or wireless transmission method, sends scheduling control signal to the first long-distance centralized control device (1121) and/or the 3rd long-distance centralized control device (1123).

2. cogeneration units according to claim 1 and wind power generation combined refrigeration system, it is characterized in that, integrated dispatch control device (115) is according to the coal-fired steam extraction and condensing formula cogeneration units (A) receiving, the production capacity information of wind power generating set (B) and user's power consumption information, guaranteeing to meet under the condition that electric power is supplied with and refrigeration is supplied with, reduce the hot water flow of the centralized heat absorption formula of confession refrigeration machine (200) refrigeration of coal-fired steam extraction and condensing formula cogeneration units (A), the hot water flow that reduces refrigeration causes the needed refrigeration deficiency of user to be freezed to compensate by air-conditioner (108) power consumption,

Integrated dispatch control device (115) sends and comprises hot water flow and generated output electric weight for refrigeration, user's the cool water quantity of refrigeration fan coil pipe (110) consumption and the regulation and control control signal of the refrigeration electric power consumption of air-conditioner (108) of coal-fired steam extraction and condensing formula cogeneration units (A) in scheduling time.

3. cogeneration units according to claim 1 and wind power generation combined refrigeration system, is characterized in that, described integrated dispatch control device (115) comprising:

Receive the production capacity information of coal-fired steam extraction and condensing formula cogeneration units (A) and wind power generating set (B), the first data receiver unit (201) of user's power consumption information and user pipe range information;

By the data decoder unit (202) of all decoding datas that receive;

The data memory unit (203) that decoded all data are stored;

Generate the scheduling control signal computing unit (204) of scheduling control signal;

The signal coder that described scheduling control signal is encoded (205); And

Scheduling control signal after coding is passed to the transmitting element (206) of the first long-distance centralized control device (1121), the 3rd long-distance centralized control device (1123).

4. cogeneration units according to claim 1 and wind power generation combined refrigeration system, it is characterized in that, described refrigeration fan coil pipe remote control switch (116), is coupled with remote control mode and integrated dispatch control device (115) by the 3rd long-distance centralized control device (1123); Air-conditioner remote control switch (117), is coupled with remote control mode and integrated dispatch control device (115) by the 3rd long-distance centralized control device (1123); On air-conditioner (108), be also provided with the special-purpose electric energy meter (109) of air-conditioner, detect the power consumption of its refrigeration, this power consumption is also gathered by the 3rd long-distance centralized control device;

Coal-fired steam extraction and condensing formula cogeneration units is controlled actuating unit (118), by the first long-distance centralized control device (1121), with remote control mode and integrated dispatch control device (115), is coupled; Coal-fired steam extraction and condensing formula cogeneration units is controlled actuating unit (118) according to scheduling control signal, controls connected coal-fired material inlet valve, Boiler Steam admission valve, for the steam of refrigeration draw gas valve and generating steam flow valve event.

5. cogeneration units according to claim 1 and wind power generation combined refrigeration system, it is characterized in that, described the 3rd long-distance centralized control device (1123) comprises non-refrigeration ammeter pulse counter, refrigeration cold water flow pulse counter, pulse-code converter, metering signal amplifying emission device, and interconnective control signal Rcv decoder and remote control signal generator;

Non-refrigeration ammeter pulse counter connects the non-refrigeration ammeter of user, for detection of the non-refrigeration power consumption of user data, the non-refrigeration power consumption of user data are sent to integrated dispatch control device (115) after pulse-code converter and the processing of metering signal amplifying emission device;

Refrigeration cold water flow pulse counter connects refrigeration fan coil pipe cold water and consumes gauge table (111), for detection of cold water influx, cold water influx is processed generation signal through pulse-code converter and metering signal amplifying emission device again, is sent to integrated dispatch control device (115) together with user pipe information;

Control signal Rcv decoder, the scheduling control information that reception integrated dispatch control device (115) sends is also decoded, and then by controlling remote control signal generator, sends to air-conditioner remote control switch (117), refrigeration fan coiling pipe bender remote control switch (116) to perform an action control signal.

6. cogeneration units according to claim 1 and wind power generation combined refrigeration system, it is characterized in that, described coal-fired thermal power coproduction unit is controlled actuating unit (118) and is comprised scheduling control signal transmitting-receiving coded stack (302), drive circuit (303) and mechanical gear control device (304), described scheduling control signal generates coal-fired thermal power coproduction machine unit scheduling control instruction after the decoding of scheduling control signal transmitting-receiving coded stack, Electric Traction signal Crush trigger gear control device through overdrive circuit output, mechanical gear control device is controlled the coal-fired material inlet valve action of coal-fired thermal power coproduction unit again, for the steam of refrigeration draw gas valve event and generating steam flow valve event.

7. the dispatching method of cogeneration units claimed in claim 1 and wind power generation combined refrigeration system, is characterized in that, comprises the following steps:

At (0～T) * Δ T in the time period, Δ T is the sampling period, the number of times of T for gathering, integrated dispatch control device is according to the coal-fired steam extraction and condensing formula cogeneration units receiving, the production capacity information of wind power generating set, dope the production capacity information of following a period of time (T～2T) * Δ T, again in conjunction with the power consumption information of user in (0～T) * Δ T time period, guaranteeing to meet under the condition that electric power is supplied with and refrigeration is supplied with, reduce the hot water flow for refrigeration of coal-fired steam extraction and condensing formula cogeneration units, reducing hot water flow causes the needed refrigeration deficiency of user to be freezed to compensate by air-conditioner power consumption, and consider that cold water flows to user's time, calculate magnitude of recruitment,

Then in (T～2T) * Δ T time period, integrated dispatch control device be take Δ T as the regulation and control cycle, according to electric power is supplied with and refrigeration is supplied with prediction and scheduling calculating, generate scheduling control signal and send, after the first long-distance centralized control device receiving scheduling control signal, control hot water flow and the generated output electric weight for refrigeration of coal-fired steam extraction and condensing formula cogeneration units, after the 3rd long-distance centralized control device receiving scheduling control signal, control air-conditioner power consumption and freeze to compensate the refrigeration deficiency that the minimizing of refrigeration fan coil pipe consumption cold water causes.

8. the dispatching method of cogeneration units as claimed in claim 7 and wind power generation combined refrigeration system, is characterized in that, the generation of the scheduling control signal of integrated dispatch control device comprises the following steps:

1) gather variable:

1.1) gather the generated output P of coal-fired steam extraction and condensing formula cogeneration units in (0～T) * Δ T time period _cHPand the heat of the supplying with centralized heat absorption formula refrigeration machine H that exerts oneself (t) _cHP, and send to integrated dispatch control device (t); Δ T is the sampling period, the number of times of T for gathering, and T is natural number;

Gather 0～M wind-driven generator at (0～T) * Δ generated output of T time period and send to integrated dispatch control device;

1.2) gather (0～T) * Δ T in the time period, 0～N user's following information: the pipeline of the centralized heat absorption formula refrigeration machine of user's distance is apart from S _i, non-refrigeration power consumption P _i(t), the consumption H of refrigeration fan coil pipe refrigeration _iand the installed capacity of air-conditioner (t)

and send to integrated dispatch control device;

2) calculate following variable:

2.1) calculate wind-driven generator at (0～T) * Δ gross capability of T time period

then according to gross capability

utilize statistical analysis technique, the wind-driven generator gross capability P of prediction (T～2T) * Δ T time period _wind(t);

By gathering the generated output P of coal-fired steam extraction and condensing formula cogeneration units in (0～T) * Δ T time period _cHPand the heat of the supplying with centralized heat absorption formula refrigeration machine H that exerts oneself (t) _cHP(t), dope the generated output P of (T～2T) * Δ T time period _cHPand the heat of the supplying with centralized heat absorption formula refrigeration machine H that exerts oneself (t) _cHP(t);

2.2) calculate each user to the equivalent distances of centralized heat absorption formula refrigeration machine

v is that cold water is at ducted flow velocity; And to result of calculation is done to rounding operation

By identical s _iuser be divided into same group, count l group; Amount to L group, L is natural number;

To each user grouping, calculate respectively the total cooling load H that respectively organizes all users _loadand the installed capacity P of air-conditioner (l) _eHP(l);

be that l group user i is at t cooling load constantly;

it is the installed capacity of the air-conditioner of l group user i;

3) by above-mentioned P _cHP(t), H _cHP(t), H _load(l), P _eHP(l) substitution, carries out iterative by object function (1) and constraints (4)～(14) compositional optimization problem, take and obtains object function minimum of a value as result, obtains each variable as adjustment signal:

3.1) object function is:

Min： $\mathrm{\&Delta;p}=\sqrt{\underset{t=T}{\overset{2T}{\mathrm{\&Sigma;}}}{(p_{\mathrm{wind}}\left(t\right)-{\stackrel{\&OverBar;}{p}}_{\mathrm{wind}})}^2/(T+1)};---\left(1\right)$

P wherein _wind(t) be the equivalent wind-powered electricity generation gross capability after regulating,

for the equivalent wind-powered electricity generation mean value of exerting oneself, its expression formula is as follows respectively:

p _wind(t)=P _wind(t)+(p _CHP(t)-P _CHP(t))-p _EHPs(t)； （2）

Wherein, p _cHP(t) be the generated output of the coal-fired steam extraction and condensing formula cogeneration units after regulating, P _cHP(t) be the generated output of the coal-fired steam extraction and condensing formula cogeneration units of prediction, p _eHPs(t) all user's air-conditioner power consumptions while being t;

${\stackrel{\&OverBar;}{p}}_{\mathrm{wind}}=\mathrm{\&Sigma;}{p}_{\mathrm{wind}}\left(t\right)/(T+1);---\left(3\right)$

3.2) constraints

3.2.1) refrigeration duty equilibrium equation

Reducing cold water and exert oneself, is Δ h (t) at the supply side not enough power that freezes, and its expression formula is as follows:

Δh(t)=H _CHP(t)-h _CHP(t)； （4）

Wherein, H _cHP(t) heat of supplying with centralized heat absorption formula refrigeration machine for the coal-fired steam extraction and condensing formula cogeneration units doping is exerted oneself, h _cHP(t) heat that the coal-fired steam extraction and condensing formula cogeneration units after expression adjusting is supplied with centralized heat absorption formula refrigeration machine is exerted oneself;

Consider that cold water flows into user's time at pipeline, user uses the needed compensation Δ of air-conditioner h (t) to be expressed as:

$\mathrm{\&Delta;h}\left(t\right)=\underset{l=0}{\overset{L}{\mathrm{\&Sigma;}}}{h}_{\mathrm{EHP}}(t+l,l);(T\&le;t+l\&le;2T)---\left(5\right)$

H _eHP(t+l, l) is the t+l refrigeration work consumption sum of l group user air-conditioner constantly;

3.2.2) coal-fired steam extraction and condensing formula cogeneration units constraint:

Generated output lower limit: $p_{\mathrm{CHP}}^{\min }\left(t\right)=l_{\mathrm{CHP}}^{\min }\&CenterDot;h_{\mathrm{CHP}}\left(t\right)+n_{\mathrm{CHP}}^{\min }---\left(6\right)$

The generated output upper limit: $p_{\mathrm{CHP}}^{\max }\left(t\right)=l_{\mathrm{CHP}}^{\max }\&CenterDot;h_{\mathrm{CHP}}\left(t\right)+n_{\mathrm{CHP}}^{\max }---\left(7\right)$

Generated output restriction: $p_{\mathrm{CHP}}^{\min }\left(t\right)<p_{\mathrm{CHP}}\left(t\right)\&le;p_{\mathrm{CHP}}^{\max }\left(t\right)---\left(8\right)$

Supply refrigeration units limits: $5\&le;h_{\mathrm{CHP}}\left(t\right)\&le;h_{\mathrm{CHP}}^{\max }\left(t\right)---\left(9\right)$

Extra constraint cogeneration of heat and power generated output lower limit: p _cHP(t)>=P _cHP(10)

P wherein _cHP(t) be the generated output of the coal-fired steam extraction and condensing formula cogeneration units after regulating, h _cHP(t) for the heat of the coal-fired steam extraction and condensing formula cogeneration units after regulating is exerted oneself; performance curve parameter for coal-fired steam extraction and condensing formula cogeneration units;

And the coal-fired steam extraction and condensing formula cogeneration units generated output after restriction adjusting is greater than generated output in the original plan:

p _CHP(t)≥P _CHP(t)； （11）

3.2.3) user's side air-conditioner constraints

Thermoelectricity is than constraint: h _eHP(t, l)=COP _eHPp _eHP(t, l) (12)

H _eHP(t, l) is the t refrigeration work consumption sum of l group user air-conditioner constantly, COP _eHPfor household air-conditioner coefficient;

The upper limit: 0≤p exerts oneself _eHP(t, l)≤min (P _eHP(l), H _load(l)/COP _eHP); (13)

The air-conditioner power consumption sum of all user's groups of day part:

$p_{\mathrm{EHPs}}\left(t\right)=\underset{l=0}{\overset{L}{\mathrm{\&Sigma;}}}{p}_{\mathrm{EHP}}(t,l)---\left(14\right)$

4) integrated dispatch control device generates scheduling control signal and sends according to each variable after regulating in the middle of operation result:

By the generated output p of coal-fired steam extraction and condensing formula cogeneration units _cHPand the heat of the supplying with centralized heat absorption formula refrigeration machine h that exerts oneself (t) _cHP(t) send to the first long-distance centralized control device, control it and in future, regulate the action of day part in the time;

By user's air-conditioner power consumption p _eHP(t, l) and refrigerating capacity h _eHP(t, l) sends to the 3rd long-distance centralized control device, controls it and in future, regulates the action of day part in the time.

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