CN102520674B - Refrigeration scheduling system and method by adopting back-pressure type cogeneration unit and wind-power output - Google Patents

Abstract

The invention discloses a refrigeration scheduling system and method by adopting a back-pressure type cogeneration unit and wind-power output. The method comprises the following steps of: by combined control of the back-pressure type cogeneration unit and refrigerating load, the equivalent generation of the wind power is adjusted to be consistent with the actual need of the system, so that the pressure of grid paralleling is reduced; a user adopts two modes for refrigeration, namely, a centralized heat-absorption type refrigerator and an air conditioner for power consumption; and under the condition that the power supply and the refrigeration supply are met, the hot-water flow supplied to the centralized heat-absorption type refrigerator is reduced and is compensated by consumption of power and refrigeration, the power generation output is also changed correspondingly, and the supply is met according to the change of power consumption load and the matching of the wind power generation. The change of the cogeneration output and the power consumption load condition of the user is adjusted by fluctuation of wind power generation, so that the matching between the equivalent output of the wind power generation at the user side and the wind power output needed by the system is realized.

Description

Back pressure type cogeneration units and wind-powered electricity generation exert oneself refrigeration scheduling system and method

Technical field

The invention belongs to clean energy resource comprehensive utilization technique field, relate to a kind of back pressure type cogeneration units and wind-powered electricity generation exert oneself refrigeration scheduling system and method.

Background technology

Regenerative resource has green clean feature, and development in recent years rapidly.But take wind-power electricity generation as example, wind-power electricity generation is when providing clean low-carbon energy, and the extensive grid-connected of wind power plant brought adverse effect also to power grid security economical operation.After large-scale wind generating field is grid-connected, due to it, to go out fluctuation larger, and power swing is usually contrary with power load fluctuation tendency.This anti-peak regulation characteristic of wind-power 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 can phenomenon serious.

Summary of the invention

The problem that the present invention solves is to provide a kind of back pressure type cogeneration units and wind-powered electricity generation exert oneself refrigeration scheduling system and method, by the comprehensive regulation to heat energy, electric energy, realizes smoothly exerting oneself of wind-power electricity generation, effective utilization of raising wind-power electricity generation.

The present invention is achieved through the following technical solutions:

Back pressure type cogeneration units and the wind-powered electricity generation refrigeration scheduling system of exerting oneself, comprising:

The back pressure type cogeneration units of the hot water that is used for output electric power and supplies to freeze;

Centralized thermal absorption formula refrigeration machine, input end connects the hot water outlet of back pressure type cogeneration units, produces cold water after heat interchange, and output terminal connects cooling pipeline;

Wind power generating set for output electric power;

By the power cable net user's in parallel with back pressure type cogeneration units and wind power generating set air conditioner; Control the air conditioner teleswitch of air conditioner;

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

The user's who is connected with centralized thermal absorption formula refrigeration machine by cooling pipeline refrigeration fan coil pipe; Refrigeration fan coil pipe cold water consumes gauging table, detects the cold water consumption of refrigeration fan coil pipe; Control the refrigeration fan coiling pipe bender teleswitch 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 back pressure type 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 back pressure type cogeneration units 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 thermal absorption formula refrigeration machine, 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 gauging table detects; 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 teleswitch and/or refrigeration fan coiling pipe bender teleswitch 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.

Described integrated dispatch control device is according to the back pressure type 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 back pressure type cogeneration units and supply with the hot water flow of centralized thermal absorption formula refrigeration machine refrigeration, reduce hot water flow and cause the minimizing of back pressure type cogeneration units generated output to be compensated by wind-power electricity generation, 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 that back pressure type cogeneration units, 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 and the regulation and control control signal of the refrigeration electric power consumption of air conditioner.

Described integrated dispatch control device comprises:

Receive the production capacity information of back pressure type 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 teleswitch, is coupled with remote control mode and integrated dispatch control device by the 3rd long-distance centralized control device; Air conditioner teleswitch, 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;

Back pressure type 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; Back pressure type cogeneration units is controlled actuating unit according to scheduling control signal, controls connected 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 impulse meter, refrigeration cold water flow impulse meter, pulse-code converter, metering signal amplifying emission device, and interconnective control signal Rcv decoder and remote control signal generator;

Non-refrigeration ammeter impulse meter 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 impulse meter connects refrigeration fan coil pipe cold water and consumes gauging 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 teleswitch, refrigeration fan coiling pipe bender teleswitch to perform an action control signal.

The exert oneself dispatching method of refrigeration scheduling system of described back pressure type cogeneration units and wind-powered electricity generation, 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 back pressure type 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 back pressure type cogeneration units and supply with the hot water flow of centralized thermal absorption formula refrigeration machine refrigeration, reducing hot water flow causes the minimizing of back pressure type cogeneration units generated output to be compensated by wind-power electricity generation, 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 back pressure type 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 refrigeration fan coil pipe causes with cold water minimizing.

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 back pressure type cogeneration units in 0～T * Δ T time period _cHPand the heat of the supplying with centralized thermal 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 aerogenerator 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 thermal 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 for freezing _iand the installed capacity of air conditioner (t)

and send to integrated dispatch control device;

2) calculate following variable:

2.1) calculate aerogenerator at 0～T * Δ gross capability of T time period then according to gross capability

utilize statistical analysis technique, the aerogenerator gross capability P of prediction T～2T * Δ T time period _sum(t);

By gathering back pressure type cogeneration units at the heat of the centralized thermal absorption formula of the supply refrigeration machine of the 0～T * Δ T time period H that exerts oneself _cHPand generated output P (t) _cHP(t) heat that, dopes the centralized thermal absorption formula of the supply refrigeration machine of the T～2T * Δ T time period H that exerts oneself _cHPand generated output P (t) _cHP(t);

2.2) calculate each user to the equivalent distances of centralized thermal 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 objective function (1) and constraint condition (2～12) compositional optimization problem, take and obtains objective function minimum value as result, obtains each variable as adjustment signal:

3.1) objective function is:

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

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

for the wind-powered electricity generation that system needs is exerted oneself;

p _pv(t)＝P _pv(t)+(p _CHP(t)-P _CHP(t))-p _EHPs(t) (2)

Wherein, p _cHP(t) be the generated output of the back pressure type cogeneration units after regulating, P _cHP(t) be the generated output of the back pressure type cogeneration units of prediction, p _eHPs(t) all user's air conditioner power consumptions while being t;

3.2) constraint condition

3.2.1) refrigeration duty balance 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-h _CHP(t)； (4)

H wherein _cHPfor the back pressure type cogeneration units doping, supply with the heat of centralized thermal absorption formula refrigeration machine and exert oneself, h _cHP(t) heat of supplying with centralized thermal absorption formula refrigeration machine for the back pressure type cogeneration units after regulating 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) (5)

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

3.2.2) back pressure type cogeneration units constraint:

Generated output lower limit: $p_{\mathrm{CHP}}^{\min }\left(t\right)=90\%\·P_{\mathrm{CHP}}---\left(6\right)$

The generated output upper limit: $p_{\mathrm{CHP}}^{\max }\left(t\right)=P_{\mathrm{CHP}}---\left(7\right)$

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

Cogeneration of heat and power thermoelectricity is than retraining:

h _CHP(t)＝RDB·p _CHP(t) (9)

${\mathrm{\&eta;}}_{\mathrm{CHP}}\left(t\right)=\frac{h_{\mathrm{CHP}}\left(t\right)+p_{\mathrm{CHP}}\left(t\right)}{f_{\mathrm{CHP}}\left(t\right)}---\left(10\right)$

Wherein, P _cHPcapacity for back pressure type cogeneration units;

for regulating the minimum generated output of rear back pressure type cogeneration units; p _cHP(t) be back pressure type cogeneration units generated output after regulating;

for regulating rear back pressure type cogeneration units maximum generation, exert oneself; RDB is back pressure type cogeneration units thermoelectricity ratio; η _cHP(t) be back pressure type cogeneration units efficiency, h _cHP(t) heat of supplying with centralized thermal absorption formula refrigeration machine for the back pressure type cogeneration units after regulating is exerted oneself, f _cHP(t) be cogeneration of heat and power power energy consumption;

3.2.3) user's side air conditioner constraint condition

Thermoelectricity is than constraint: h _eHP(t, l)=COP _eHPp _eHP(t, l) (11)

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); (12)

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

$p_{\mathrm{EHPs}}\left(t\right)=\underset{l=0}{\overset{L}{\mathrm{\&Sigma;}}}{p}_{\mathrm{EHP}}(t,l)---\left(13\right)$

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 back pressure type 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:

Back pressure type cogeneration units provided by the invention and wind-powered electricity generation exert oneself refrigeration scheduling system and method, jointly controlling by back pressure type cogeneration units and cooling load, equivalence generating and the system actual demand of regulating wind power reach unanimity, and reduce grid-connected pressure;

For cooling load: user adopts refrigeration fan coil pipe and two kinds of modes of air conditioner electricity to freeze, the hot water that cold water wherein derives from cogeneration units is changed by centralized thermal 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 of supplying with the centralized thermal absorption formula refrigeration machine of refrigeration, its refrigerating capacity lacking is freezed to compensate by power consumption, and 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, back pressure type cogeneration units reduces for the hot water of refrigeration exerts oneself, and its generated output also changes accordingly, can need to reduce generated output according to regulating, and coordinate to furnish good supplies to wind-power electricity generation according to the variation of power load;

Wind-power electricity generation, cogeneration synthesis get up like this, according to the undulatory property 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 exerting oneself and match with the needed wind-powered electricity generation of system exerting oneself of user's side of wind-power electricity generation equivalence.

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-power electricity generation, has taken into account again user's actual demand and effective utilization of the energy.

Accompanying drawing explanation

Fig. 1 is the exert oneself connection diagram of refrigeration scheduling system of back pressure type cogeneration units and wind-powered electricity generation;

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. 5-1～Fig. 5-3 are respectively actual wind-powered electricity generation exert oneself change curve, the needed equivalent wind-powered electricity generation of target exert oneself change curve, the equivalent wind-powered electricity generation power curve after regulating; Wherein horizontal ordinate is time (min), and ordinate is wind power (MW).

Embodiment

Back pressure type cogeneration units provided by the invention and wind-powered electricity generation exert oneself refrigeration scheduling system and method, at supply side electric power, by cogeneration units, combine and provide with wind power generating set, the centralized thermal absorption formula of the hot water supply refrigeration machine of cogeneration units, for freezing and carrying cold water, user adopts refrigeration fan coil pipe to consume cold water provides cold wind 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 undulatory property of wind-power electricity generation, user power utilization load also has the space of adjustment, power consumption refrigeration both can compensate the deficiency of cold water cooling, also the load of low-valley interval can increase electric power, and for the hot water that freezes, reduce generated energy and also can reduce.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, the equivalence of wind-powered electricity generation is exerted oneself and reach unanimity with target requirement.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. 4, a kind of back pressure type cogeneration units and the wind-powered electricity generation refrigeration scheduling system of exerting oneself, comprising:

The back pressure type cogeneration units A of the hot water that is used for output electric power and supplies to freeze;

Centralized thermal absorption formula refrigeration machine 200, input end connects the hot water outlet of back pressure type cogeneration units A, produces cold water after heat interchange, and output terminal connects cooling pipeline 114;

Wind power generating set B for output electric power;

By power cable net 113 user's in parallel with back pressure type cogeneration units A and wind power generating set B air conditioner 108; Control the air conditioner teleswitch 117 of air conditioner 108;

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

The user's who is connected with centralized thermal absorption formula refrigeration machine 200 by cooling pipeline 114 refrigeration fan coil pipe 110, refrigeration fan coil pipe 110 consumes cold water by heat interchange blowing cold air; Refrigeration fan coil pipe cold water consumes gauging table 111, detects the cold water consumption of refrigeration fan coil pipe 110; Control the refrigeration fan coiling pipe bender teleswitch 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 back pressure type 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 cogeneration units 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 thermal 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 gauging 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 teleswitch 117 and/or refrigeration fan coiling pipe bender teleswitch 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 production capacity information of back pressure type cogeneration units A, 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 that back pressure type cogeneration units A supplies with centralized thermal absorption formula refrigeration machine 200 refrigeration, reduce hot water flow and cause the minimizing of back pressure type cogeneration units generated output to be compensated by wind-power electricity generation, 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 back pressure type 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 back pressure type 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 teleswitch 116, is coupled with remote control mode and integrated dispatch control device 115 by the 3rd long-distance centralized control device 1123; Air conditioner teleswitch 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;

Back pressure type 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; Back pressure type cogeneration units is controlled actuating unit 118 according to scheduling control signal, controls connected 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 impulse meter, refrigeration cold water flow impulse meter, pulse-code converter, metering signal amplifying emission device, and interconnective control signal Rcv decoder and remote control signal generator;

Non-refrigeration ammeter impulse meter 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 impulse meter connects refrigeration fan coil pipe cold water and consumes gauging 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 teleswitch 117, refrigeration fan coiling pipe bender teleswitch 116 to perform an action control signal.

Based on the exert oneself dispatching method of refrigeration scheduling system of above-mentioned back pressure type cogeneration units and wind-powered electricity generation, 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 back pressure type 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 back pressure type cogeneration units and supply with the hot water flow of centralized thermal absorption formula refrigeration machine refrigeration, reducing hot water flow causes the minimizing of back pressure type cogeneration units generated output to be compensated by wind-power electricity generation, 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 back pressure type 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 refrigeration fan coil pipe causes with cold water minimizing.

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 back pressure type cogeneration units in 0～T * Δ T time period _cHP(t) with for the refrigeration H that exerts oneself _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 aerogenerator 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 thermal 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 for freezing _iand the installed capacity of air conditioner (t) and send to integrated dispatch control device;

2) calculate following variable:

2.1) calculate aerogenerator at 0～T * Δ gross capability of T time period

then according to gross capability utilize statistical analysis technique, the aerogenerator gross capability P of prediction T～2T * Δ T time period _sum(t);

By gathering back pressure type cogeneration units at the heat of the centralized thermal absorption formula of the supply refrigeration machine of the 0～T * Δ T time period H that exerts oneself _cHPand generated output P (t) _cHP(t) heat that, dopes the centralized thermal absorption formula of the supply refrigeration machine of the T～2T * Δ T time period H that exerts oneself _cHPand generated output P (t) _cHP(t);

2.2) calculate each user to the equivalent distances of centralized thermal 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 objective function (1) and constraint condition (2～12) compositional optimization problem, carry out iterative, take and obtain objective function minimum value as result, using variable after regulating (i.e. the regulation and control amount of following this variable of a period of time) as adjustment signal:

3.1) objective function is:

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

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

for the wind-powered electricity generation that system needs, exert oneself, also can be described as target wind-powered electricity generation and exert oneself;

p _pv(t)＝P _pv(t)+(p _CHP(t)-p _CHP(t))-p _EHPs(t) (2)

Wherein, P _cHP(t) be the generated output of the back pressure type cogeneration units of prediction, p _cHP(t) be the generated output of the back pressure type cogeneration units after regulating, p _eHPs(t) all user's air conditioner power consumptions while being t;

3.2) constraint condition

3.2.1) refrigeration duty balance 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-h _CHP(t)； (3)

H wherein _cHPfor the back pressure type cogeneration units doping, supply with the heat of centralized thermal absorption formula refrigeration machine and exert oneself, h _cHP(t) heat of supplying with centralized thermal absorption formula refrigeration machine for the back pressure type cogeneration units after regulating 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≤t+l≤2T) (4)

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

3.2.2) back pressure type cogeneration units constraint:

Generated output lower limit: $p_{\mathrm{CHP}}^{\min }\left(t\right)=90\%\&CenterDot;P_{\mathrm{CHP}}---\left(5\right)$

The generated output upper limit: $p_{\mathrm{CHP}}^{\max }\left(t\right)=P_{\mathrm{CHP}}---\left(6\right)$

Generated output restriction: $p_{\mathrm{CHP}}^{\min }\left(t\right)<p_{\mathrm{CHP}}\left(t\right)\&le;p_{\mathrm{CHP}}^{\max }\left(t\right)---\left(7\right)$

Cogeneration of heat and power thermoelectricity is than retraining:

h _CHP(t)＝RDB·p _CHP(t) (8)

${\mathrm{\&eta;}}_{\mathrm{CHP}}\left(t\right)=\frac{h_{\mathrm{CHP}}\left(t\right)+p_{\mathrm{CHP}}\left(t\right)}{f_{\mathrm{CHP}}\left(t\right)}---\left(9\right)$

Wherein, P _cHPcapacity for back pressure type cogeneration units;

for regulating the minimum generated output of rear back pressure type cogeneration units; p _cHP(t) be back pressure type cogeneration units generated output after regulating;

for regulating rear back pressure type cogeneration units maximum generation, exert oneself; RDB is back pressure type cogeneration units thermoelectricity ratio; η _cHP(t) be back pressure type cogeneration units efficiency, h _cHP(t) heat of supplying with centralized thermal absorption formula refrigeration machine for the back pressure type cogeneration units after regulating is exerted oneself, f _cHP(t) be cogeneration of heat and power power energy consumption;

3.2.3) user's side air conditioner constraint condition

Thermoelectricity is than constraint: h _eHP(t, l)=COP _eHPp _eHP(t, l) (10)

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); (11)

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

$p_{\mathrm{EHPs}}\left(t\right)=\underset{l=0}{\overset{L}{\mathrm{\&Sigma;}}}{p}_{\mathrm{EHP}}(t,l)---\left(12\right)$

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 back pressure type 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.

As shown in Fig. 5-1～5-3, the change curve of exerting oneself of the actual wind-powered electricity generation shown in Fig. 5-1, the needed equivalent wind-powered electricity generation of the target shown in the 5-2 change curve of exerting oneself, can find out that both differ variation very large; And Fig. 5-3 are depicted as the equivalent wind-powered electricity generation power curve after adjusting, can find out with the change curve of exerting oneself of the target Equivalent wind-powered electricity generation shown in 5-2 basically identical.

Claims (7)

1. back pressure type cogeneration units and the wind-powered electricity generation refrigeration scheduling system of exerting oneself, is characterized in that, comprising:

The back pressure type cogeneration units (A) of the hot water that is used for output electric power and supplies to freeze;

Centralized thermal absorption formula refrigeration machine (200), input end connects the hot water outlet of back pressure type cogeneration units (A), produces cold water after heat interchange, and output terminal connects cooling pipeline (114);

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

By power cable net (113) user's in parallel with back pressure type cogeneration units (A) and wind power generating set (B) air conditioner (108); Control the air conditioner teleswitch (117) of air conditioner (108);

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

The user's who is connected with centralized thermal absorption formula refrigeration machine (200) by cooling pipeline (114) refrigeration fan coil pipe (110); Refrigeration fan coil pipe cold water consumes gauging table (111), detects the cold water consumption of refrigeration fan coil pipe (110); Control the refrigeration fan coiling pipe bender teleswitch (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 back pressure type 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 back pressure type cogeneration units 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 thermal 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 gauging 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 teleswitch (117) and/or refrigeration fan coiling pipe bender teleswitch (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;

Described integrated dispatch control device (115) comprising:

Receive the production capacity information of back pressure type 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);

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).

2. back pressure type cogeneration units according to claim 1 and the wind-powered electricity generation refrigeration scheduling system of exerting oneself, it is characterized in that, integrated dispatch control device (115) is according to the back pressure type 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 back pressure type cogeneration units (A) and supply with the hot water flow of centralized thermal absorption formula refrigeration machine (200) refrigeration, reducing hot water flow causes the minimizing of back pressure type cogeneration units generated output to be compensated by wind-power electricity generation, 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 that back pressure type 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).

3. back pressure type cogeneration units according to claim 1 and the wind-powered electricity generation refrigeration scheduling system of exerting oneself, it is characterized in that, integrated dispatch control device (115) is connected with cloud computing service system (917) by power optical fiber (120), and drive 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).

4. back pressure type cogeneration units according to claim 1 and the wind-powered electricity generation refrigeration scheduling system of exerting oneself, it is characterized in that, described refrigeration fan coiling pipe bender teleswitch (116), is coupled with remote control mode and integrated dispatch control device (115) by the 3rd long-distance centralized control device (1123); Air conditioner teleswitch (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;

Back pressure type 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; Back pressure type cogeneration units is controlled actuating unit (118) according to scheduling control signal, controls connected material inlet valve, Boiler Steam admission valve, for the steam of refrigeration draw gas valve and generating steam flow valve event.

5. back pressure type cogeneration units according to claim 1 and the wind-powered electricity generation refrigeration scheduling system of exerting oneself, it is characterized in that, described the 3rd long-distance centralized control device (1123) comprises non-refrigeration ammeter impulse meter, refrigeration cold water flow impulse meter, pulse-code converter, metering signal amplifying emission device, and interconnective control signal Rcv decoder and remote control signal generator;

Non-refrigeration ammeter impulse meter 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 impulse meter connects refrigeration fan coil pipe cold water and consumes gauging 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 teleswitch (117), refrigeration fan coiling pipe bender teleswitch (116) to perform an action control signal.

6. back pressure type cogeneration units claimed in claim 1 and the wind-powered electricity generation dispatching method of refrigeration scheduling system of exerting oneself, 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 back pressure type 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 back pressure type cogeneration units and supply with the hot water flow of centralized thermal absorption formula refrigeration machine refrigeration, reducing hot water flow causes the minimizing of back pressure type cogeneration units generated output to be compensated by wind-power electricity generation, 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 back pressure type 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 refrigeration fan coil pipe causes with cold water minimizing.

7. back pressure type cogeneration units as claimed in claim 6 and the wind-powered electricity generation dispatching method of refrigeration scheduling system of exerting oneself, 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 back pressure type cogeneration units in 0～T * Δ T time period _cHPand the heat of the supplying with centralized thermal 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 aerogenerator 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 thermal 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 for freezing _iand the installed capacity of air conditioner (t)

and send to integrated dispatch control device;

2) calculate following variable:

2.1) calculate aerogenerator at 0～T * Δ gross capability of T time period then according to gross capability

utilize statistical analysis technique, the aerogenerator gross capability P of prediction T～2T * Δ T time period _sum(t);

By gathering back pressure type cogeneration units at the heat of the centralized thermal absorption formula of the supply refrigeration machine of the 0～T * Δ T time period H that exerts oneself _cHPand generated output P (t) _cHP(t) heat that, dopes the centralized thermal absorption formula of the supply refrigeration machine of the T～2T * Δ T time period H that exerts oneself _cHPand generated output P (t) _cHP(t);

2.2) calculate each user to the equivalent distances of centralized thermal 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;

$P_{\mathrm{EHP}}\left(l\right)={\mathrm{\&Sigma;P}}_i^{\mathrm{EHP}}\left(l\right);$ $P_i^{\mathrm{EHP}}\left(l\right)$ 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 objective function (1) and constraint condition (3)～(12) compositional optimization problem, take and obtains objective function minimum value as result, obtains each variable as adjustment signal:

3.1) objective function is:

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

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

for the wind-powered electricity generation that system needs is exerted oneself;

p _pv(t)=P _pv(t)+(p _CHP(t)-P _CHP(t))-p _EHPs(t) （2）

Wherein, p _cHP(t) be the generated output of the back pressure type cogeneration units after regulating, P _cHP(t) be the generated output of the back pressure type cogeneration units of prediction, p _eHPs(t) all user's air conditioner power consumptions while being t;

3.2) constraint condition

3.2.1) refrigeration duty balance 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-h _CHP(t)； （3）

H wherein _cHPfor the back pressure type cogeneration units doping, supply with the heat of centralized thermal absorption formula refrigeration machine and exert oneself, h _cHP(t) heat of supplying with centralized thermal absorption formula refrigeration machine for the back pressure type cogeneration units after regulating 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:

$\mathrm{\&Delta;h}\left(t\right)=\underset{l=0}{\overset{L}{\mathrm{\&Sigma;}}}{h}_{\mathrm{EHP}}(t+l,l);(T\&le;t+l\&le;2T)---\left(4\right)$

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

3.2.2) back pressure type cogeneration units constraint:

Generated output lower limit: $p_{\mathrm{CHP}}^{\min }\left(t\right)=90\%\&CenterDot;P_{\mathrm{CHP}}---\left(5\right)$

The generated output upper limit: $p_{\mathrm{CHP}}^{\max }\left(t\right)=P_{\mathrm{CHP}}---\left(6\right)$

Generated output restriction: $p_{\mathrm{CHP}}^{\min }\left(t\right)<p_{\mathrm{CHP}}\left(t\right)\&le;p_{\mathrm{CHP}}^{\max }\left(t\right)---\left(7\right)$

Cogeneration of heat and power thermoelectricity is than retraining:

h _CHP(t)=RDB·p _CHP(t) （8）

${\mathrm{\&eta;}}_{\mathrm{CHP}}\left(t\right)=\frac{h_{\mathrm{CHP}}\left(t\right)+p_{\mathrm{CHP}}\left(t\right)}{f_{\mathrm{CHP}}\left(t\right)}---\left(9\right)$

Wherein, P _cHPcapacity for back pressure type cogeneration units;

for regulating the minimum generated output of rear back pressure type cogeneration units; p _cHP(t) be back pressure type cogeneration units generated output after regulating;

for regulating rear back pressure type cogeneration units maximum generation, exert oneself; RDB is back pressure type cogeneration units thermoelectricity ratio; η _cHP(t) be back pressure type cogeneration units efficiency, h _cHP(t) heat of supplying with centralized thermal absorption formula refrigeration machine for the back pressure type cogeneration units after regulating is exerted oneself, f _cHP(t) be cogeneration of heat and power power energy consumption;

3.2.3) user's side air conditioner constraint condition

Thermoelectricity is than constraint: h _eHP(t, l)=COP _eHPp _eHP(t, l) (10)

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); (11)

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

$P_{\mathrm{EHPs}}\left(t\right)=\underset{l=0}{\overset{L}{\mathrm{\&Sigma;}}}{p}_{\mathrm{EHP}}(t,l)---\left(12\right)$

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 back pressure type 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.

Images