CN102506476B - Water source heat pump and wind power generation combined refrigeration system and scheduling method thereof - Google Patents

Abstract

The invention discloses a water source heat pump and wind power generation combined refrigeration system and a scheduling method thereof. A user adopts a refrigeration fan coil method and a heat pump power consumption method for refrigeration. The user adopts the refrigeration fan coil method and an air conditioner power consumption method for refrigeration. After a comprehensive scheduling control device detects energy supply and user energy consumption situation at a certain period, a prediction is made for a future certain period; on the premise that power supply and refrigeration supply are satisfied, the hot water flow of a refrigeration centralized heat-absorbing-type refrigerator is reduced, the refrigerating capacity in shortage is compensated through refrigeration by consuming power, and the refrigeration by consuming power not only can compensate the deficiency of cooling water 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 heat and power output 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 goal of user-side smooth output equivalent to wind power is realized.

Description

Water resource heat pump 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 water resource heat pump and wind power generation combined refrigeration system and dispatching method thereof.

Background technology

Regenerative resource has the characteristics of green cleaning, and development in recent years rapidly.But take wind-powered electricity generation as example, wind-powered electricity generation is when providing the cleaning low-carbon energy, and being incorporated into the power networks on a large scale of wind energy turbine set also brought adverse effect to the power grid security economical operation.After being incorporated into the power networks in the large-scale wind power field, to go out fluctuation larger due to it, and power swing is usually opposite with the power load fluctuation tendency, namely calm available peak period at load, and the abundant situation of wind energy occurs in the load valley period.This anti-peak regulation characteristic of wind-powered electricity generation will cause the further expansion of system's peak-valley difference, strengthen the difficulty of dispatching of power netwoks, all will produce a series of impacts to dispatching of power netwoks operation, Control of Voltage, peak load regulation network etc.Due to correlative study and imperfection, abandon the 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, is to guarantee city dweller's electricity consumption, and wind-powered electricity generation haves no alternative but take the measure of " abandoning wind ", and is very unfortunate.

Summary of the invention

The problem that the present invention solves is to provide a kind of water resource heat pump 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:

A kind of water resource heat pump and wind power generation combined refrigeration system comprise:

Power consumption heat cycles cooling water provides the thermal power generation unit of electric power so that the water resource heat pump of hot water to be provided for water resource heat pump;

Centralized heat absorption formula refrigeration machine, input connects the hot water outlet of water resource heat pump, produces cold water after heat exchange, and output connects the cooling pipeline;

The wind power generating set that is used for output electric power;

Air-conditioner heat pump by the power cable net user in parallel with thermal power generation unit and wind power generating set; Control the air-conditioner heat pump remote control switch of air-conditioner heat pump;

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

Air-conditioner by the cooling pipeline user in parallel with thermal power generation unit and wind power generating set; Control the air-conditioner heat pump remote control switch of air-conditioner heat pump;

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 the 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, the production capacity information of the hot water flow that supplies refrigeration of collection water resource heat pump and the generated output electric weight of thermal power generation sends the production capacity information that gathers to the integrated dispatch control device; The first long-distance centralized control device also receives the scheduling control signal that the integrated dispatch control device sends, and controls water resource heat pump according to scheduling control signal and control the actuating unit action;

The second long-distance centralized control device, the production capacity information of the generated output electric weight of collection wind power energy generating set sends the production capacity information that gathers to the 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 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 detects; Send user's pipeline range information and the power consumption information of collection to the integrated dispatch control device;

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

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

Described integrated dispatch control device is according to the water resource heat pump, thermal power generation unit, the production capacity information of wind power generating set and user's the power consumption information that receive, guaranteeing to satisfy under the condition that electric power is supplied with and refrigeration is supplied with, the minimizing water resource heat pump is supplied with the hot water flow of centralized heat absorption formula refrigeration machine refrigeration, and the hot water flow that reduces refrigeration causes the needed refrigeration deficiency of user to be freezed to compensate by the air-conditioner power consumption;

The integrated dispatch control device sends and comprises water resource heat pump at the hot water flow that supplies refrigeration of scheduling time and the generated output electric weight of thermal power generation unit, the regulation and control control signal of the cool water quantity of inflow user's refrigeration fan coil pipe and the refrigeration electric power consumption of air-conditioner.

Described integrated dispatch control device comprises:

Receive the production capacity information of water resource heat pump, thermal power generation unit and wind power generating set, the first data receiver unit of user's power consumption information and user pipe range information;

Data decoder unit with all decoding datas of receiving;

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.

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

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; The air-conditioner remote control switch is coupled with remote control mode and integrated dispatch control device by the 3rd long-distance centralized control device; Also be provided with the special-purpose electric energy meter of air-conditioner on air-conditioner, detect the power consumption of its refrigeration, this power consumption is also gathered by the 3rd long-distance centralized control device;

Water resource heat pump is controlled actuating unit, is coupled with remote control mode and integrated dispatch control device by the first long-distance centralized control device; Water resource heat pump is controlled actuating unit according to the scheduling control signal execution action.

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, for detection of the non-refrigeration power consumption of user data, is sent to the integrated dispatch control device after the non-refrigeration power consumption of user data process pulse-code converter and metering signal amplifying emission device are processed;

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

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

at 0～T * in the Δ T time period, Δ T is the sampling period, the number of times of T for gathering, the integrated dispatch control device is according to the water resource heat pump that receives, the thermal power generation unit, 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 satisfy under the condition that electric power is supplied with and refrigeration is supplied with, reduce water resource heat pump and supply with the hot water flow of centralized heat absorption formula refrigeration machine refrigeration, reducing cold water flow causes the needed refrigeration deficiency of user to be freezed to compensate by the 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, the integrated dispatch control device is take Δ T as the regulation and control cycle, generate scheduling control signal and send according to electric power is supplied with and refrigeration is supplied with prediction and scheduling, control hot water flow and the generated output electric weight for refrigeration of water resource heat pump after the first long-distance centralized control device receiving scheduling control signal, after the 3rd long-distance centralized control device receiving scheduling control signal, control the air-conditioner power consumption and freeze to compensate the refrigeration deficiency that the refrigeration fan coil pipe causes with the cold water minimizing.The generation of the scheduling control signal of described integrated dispatch control device comprises the following steps:

1.1) gather water resource heat pump at 0～T * Δ T time period and the heat of the supplying with centralized heat absorption formula refrigeration machine H that exerts oneself _WSHP(t) and the generated output P of thermal power generation _CONAnd send to the 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 the generated output of 0～M wind-driven generator in 0～T * Δ T time period

And send to the integrated dispatch control device;

1.2) collection 0～T * in the Δ T 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 refrigeration fan coil pipe is used for the consumption H of refrigeration _i(t) and the installed capacity of air-conditioner

And send to the integrated dispatch control device;

2) calculate following variable:

2.1) calculate the gross capability of wind-driven generator in 0～T * Δ 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 water resource heat pump at the centralized heat absorption formula of the supply chiller heat of the 0～T * Δ T time period H that exerts oneself _WSHP(t) and the generated output P of thermal power generation _CON(t), the water resource heat pump heat that the dopes T～2T * Δ T time period H that exerts oneself _WSHP(t) and thermal power generation generated output P _CON(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 rounding operation

With identical s _iThe user be divided into same group, count l group, s _i=l; Amount to the L group, L is natural number;

To each user grouping, calculate respectively the total cooling load H that respectively organizes all users _Load(l) and air-conditioner capacity P _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) with above-mentioned H _WSHP(t), P _CON(t), P _Load(t), H _Load(l), P _EHP(l) substitution is carried out iterative by object function (1) and constraints (2～10) compositional optimization problem, to obtain the object function minimum of a value as result, obtains each variable as adjustment signal:

3.1) object function is:

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, Be 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 _CON(t)-P _CON(t))-p _EHPs(t)； (2)

Wherein, p _CON(t) be the generated output of the thermal power generation unit after regulating, P _CON(t) the thermal power generation generated output for doping, p _EHPsAll user's air-conditioner power consumptions when (t) 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) the refrigeration duty equilibrium equation

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

Δh(t)＝H _WSHP(t)-h _WSHP(t)； (4)

H wherein _WSHP(t) heat of supplying with centralized heat absorption formula refrigeration machine for the water resource heat pump of prediction is exerted oneself, h _WSHP(t) exert oneself for the heat of the centralized heat absorption formula refrigeration machine of water resource heat pump supply after regulating;

Consider that cold water flows into user's time at pipeline, the 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) the water resource heat pump restriction of exerting oneself:

Hot water restriction: the 0≤h that exerts oneself for refrigeration _WSHP(t)≤H _WSHP(6)

Water resource heat pump thermoelectricity is than retraining:

h _WSHP(t)＝COP _WSHP·p _WSHP(t) (7)

Wherein, H _WSHPBe the specified thermal capacity of water resource heat pump; COP _WSHPBe the water resource heat pump coefficient of performance; h _WSHP(t) exerting oneself for the heat of water resource heat pump t period after regulating; p _WSHP(t) be water resource heat pump t power consumption constantly;

3.2.3) user's side air-conditioner constraints

Thermoelectricity is than constraint: h _EHP(t, l)=COP _EHPP _EHP(t, l) (8)

h _EHP(t, l) is the t refrigeration work consumption sum of l group user air-conditioner constantly, COP _EHPBe the household air-conditioner coefficient;

The upper limit: 0≤p exerts oneself _EHP(t, l)≤min (P _EHP(l), H _Load(l)/COP _EHP); (9)

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

$p_{\mathrm{EHPs}}\left(t\right)=\underset{l=0}{\overset{L}{\mathrm{\Σ}}}{p}_{\mathrm{EHP}}(t,l)---\left(10\right)$

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

The h that exerts oneself that freezes that supplies with water resource heat pump _WSHP(t) and the generated output p of thermal power generation unit _CON(t) send to the first long-distance centralized control device, control it and regulate the action of day part in the time in future;

With user's air-conditioner heat pump 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 regulates the action of day part in the time in future.

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

water resource heat pump provided by the invention and wind power generation combined refrigeration system and dispatching method thereof, it is a kind of system of smoothly exerting oneself based on the wind-power electricity generation of water resource heat pump and cooling load management, the user adopts refrigeration fan coil pipe and air-conditioner electricity dual mode refrigeration, change by centralized heat absorption formula refrigeration machine after wherein the cold water that consumes of the refrigeration fan coil pipe hot water that derives from water resource heat pump is exerted oneself, electric power is united by thermal power generation unit and wind power generating set to be provided, by the integrated dispatch control device after the energy supply that detects the phase of history time and user's power consumption situation, utilize " multiple regression " statistical analysis technique that following a period of time is made prediction, then dispatch on this basis:

Guaranteeing to satisfy under the condition that electric power is supplied with and refrigeration is supplied with, reduce the hot water flow of supplying with the centralized heat absorption formula refrigeration machine of refrigeration, its refrigerating capacity that lacks is freezed to compensate by power consumption, and the 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;

Simultaneously, water resource heat pump reduces for the hot water of refrigeration exerts oneself, and its generated output also changes accordingly, can increase generated output according to regulating needs, and the variation of power load coordinates to furnish good supplies to wind-power electricity generation;

Wind-power electricity generation, thermoelectricity integrate regulation and control like this, exert oneself and exert oneself variation with user's power consumption load condition of electricity according to the fluctuation adjustment heat of wind-power electricity generation, based on real-time detection and prediction continuity control methods, with sense cycle and the regulating cycle that equates, 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 5, the 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; Just need to treat apart from differentiation to the different pipelines of refrigeration source the user when electric power compensation like this, it is exactly the compensation of considering cooling time difference when the user compensates refrigeration, consider fully the energy variation of supply side and user's side, both be conducive to the level and smooth output of wind-power electricity generation, taken into account again user's actual demand and effective utilization of the energy.

Description of drawings

Fig. 1 is the connection diagram of water resource heat pump 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 be former wind-powered electricity generation exert oneself with regulate after wind-powered electricity generation equivalence power curve comparison diagram.

The specific embodiment

water resource heat pump provided by the invention and wind power generation combined refrigeration system and dispatching method thereof, being united by thermal power generation unit and wind power generating set at supply side electric power provides, the centralized heat absorption formula of water resource heat pump hot water supply refrigeration machine, be used for freezing and carrying cold water, the user adopts the refrigeration fan coil pipe to consume cold water cold wind and air-conditioner power consumption dual mode refrigeration is provided, on the basis that history detects, 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, the user power utilization load also has the space of adjustment, the power consumption refrigeration both can compensate the deficiency of cold water cooling, the load of low-valley interval also can increase electric power, and the hot water minimizing generated energy that is used for freezing also can reduce.And when the compensation of dual mode refrigeration, 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 consist of 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 water resource heat pump and wind power generation combined refrigeration system comprise:

Power consumption heat cycles cooling water provides the thermal power generation unit of electric power so that the water resource heat pump A of hot water to be provided for water resource heat pump;

Centralized heat absorption formula refrigeration machine 200, input connects the hot water outlet of water resource heat pump A, produces cold water after heat exchange, and output connects cooling pipeline 114;

The wind power generating set B that is used for output electric power;

Air-conditioner heat pump 108 by power cable net 113 user in parallel with thermal power generation unit and wind power generating set B; 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 coiling pipe bender remote control switch 116 of refrigeration fan coil pipe 110;

The first long-distance centralized control device 1121, the production capacity information of the hot water flow that supplies refrigeration of collection water resource heat pump and the generated output electric weight of thermal power generation sends the production capacity information that gathers 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 controls control actuating unit 118 actions of water resource heat pump according to scheduling control signal;

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 that gathers 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 user's pipeline range information and the power consumption information of 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 execution actions 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 the regulation and control control signal, send the regulation and control control signal to the first long-distance centralized control device 1121 and/or the 3rd long-distance centralized control device 1123.

Concrete integrated dispatch control device 115 is according to the water resource heat pump A, thermal power generation unit, the production capacity information of wind power generating set B and user's the power consumption information that receive, guaranteeing to satisfy under the condition that electric power is supplied with and refrigeration is supplied with, minimizing water resource heat pump A supplies with the hot water flow of centralized heat absorption formula refrigeration machine 200 refrigeration, and 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 water resource heat pump A at the hot water flow that supplies refrigeration of scheduling time and the generated output electric weight of thermal power generation unit, the regulation and control control signal of the cool water quantity of inflow user's refrigeration fan coil pipe 110 and 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 water resource heat pump A, thermal power generation unit and wind power generating set B, the first data receiver unit 201 of user's power consumption information and user pipe range information;

Data decoder unit 202 with all decoding datas of receiving;

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;

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 917 calculating of cloud computing service system, with the acquisition 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 sends scheduling control signal to the first long-distance centralized control device 1121 and/or the 3rd long-distance centralized control device 1123 via power cable or wireless transmission method.

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; Also be provided with the special-purpose electric energy meter 109 of air-conditioner on air-conditioner 108, detect the power consumption of its refrigeration, this power consumption is also gathered by the 3rd long-distance centralized control device;

Water resource heat pump is controlled actuating unit 118, is coupled with remote control mode and integrated dispatch control device 115 by the first long-distance centralized control device 1121; Water resource heat pump is controlled actuating unit 118 according to the scheduling control signal execution action.

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, for detection of the non-refrigeration power consumption of user data, is sent to integrated dispatch control device 115 after the non-refrigeration power consumption of user data process pulse-code converter and metering signal amplifying emission device are processed;

Refrigeration cold water flow pulse counter connects refrigeration fan coil pipe cold water and consumes gauge table 111, for detection of the cold water influx, the cold water influx is processed the 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;

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

Dispatching method based on above-mentioned water resource heat pump and wind power generation combined refrigeration system comprises the following steps:

at 0～T * in the Δ T time period, Δ T is the sampling period, the number of times of T for gathering, the integrated dispatch control device is according to the water resource heat pump that receives, the thermal power generation unit, 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 satisfy under the condition that electric power is supplied with and refrigeration is supplied with, reduce water resource heat pump and supply with the hot water flow of centralized heat absorption formula refrigeration machine refrigeration, reducing cold water flow causes the needed refrigeration deficiency of user to be freezed to compensate by the 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, the integrated dispatch control device is take Δ T as the regulation and control cycle, generate scheduling control signal and send according to electric power is supplied with and refrigeration is supplied with prediction and scheduling, control hot water flow and the generated output electric weight for refrigeration of water resource heat pump after the first long-distance centralized control device receiving scheduling control signal, after the 3rd long-distance centralized control device receiving scheduling control signal, control the air-conditioner power consumption and freeze to compensate the refrigeration deficiency that the refrigeration fan coil pipe causes with the cold water minimizing.

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

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

1) gather variable:

1.1) heat that gathers water resource heat pump and provide in the 0～T * Δ T time period H that exerts oneself _WSHP(t) and the generated output P of thermal power generation _CONAnd send to the integrated dispatch control device (t); Δ T is that the sampling period, (be specifically as follows the number of times of 15～30min), T for gathering, T was natural number;

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

And send to the integrated dispatch control device;

1.2) collection 0～T * in the Δ T 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 refrigeration fan coil pipe is used for the consumption H of refrigeration _i(t) and the installed capacity of air-conditioner And send to the integrated dispatch control device;

2) calculate following variable:

2.1) calculate the gross capability of wind-driven generator in 0～T * Δ 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 water resource heat pump at the centralized heat absorption formula of the supply chiller heat of the 0～T * Δ T time period H that exerts oneself _WSHP(t) and the generated output P of thermal power generation _CON(t), the water resource heat pump heat that the dopes T～2T * Δ T time period H that exerts oneself _WSHP(t) and thermal power generation generated output P _CON(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 rounding operation

With identical s _iThe user be divided into same group, count l group, s _i=l; Amount to the L group, L is natural number;

To each user grouping, calculate respectively the total cooling load H that respectively organizes all users _Load(l) and air-conditioner capacity P _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) with above-mentioned H _WSHP(t), P _CON(t), P _Load(t), H _Load(l), P _EHP(l) substitution, carry out iterative by object function (1) and constraints (2～10) compositional optimization problem, to obtain the object function minimum of a value as result, obtain each variable regulation and control amount of this variable of a period of time (namely following) as adjustment signal:

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,

Be 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 _CON(t)-P _CON(t))-p _EHPs(t)； (2)

Wherein, p _CON(t) be the generated output of the thermal power generation unit after regulating, P _CON(t) the thermal power generation generated output for doping, p _EHPsAll user's air-conditioner power consumptions when (t) 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) the refrigeration duty equilibrium equation

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

Δh(t)＝H _WSHP(t)-h _WSHP(t)； (4)

H wherein _WSHP(t) heat of supplying with centralized heat absorption formula refrigeration machine for the water resource heat pump of prediction is exerted oneself, h _WSHP(t) exert oneself for the heat of the centralized heat absorption formula refrigeration machine of water resource heat pump supply after regulating;

Consider that cold water flows into user's time at pipeline, the 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) the water resource heat pump restriction of exerting oneself:

Hot water restriction: the 0≤h that exerts oneself for refrigeration _WSHP(t)≤H _WSHP(6)

Water resource heat pump thermoelectricity is than retraining:

h _WSHP(t)＝COP _WSHP·p _WSHP(t) (7)

Wherein, H _WSHPBe the specified thermal capacity of water resource heat pump; COP _WSHPBe the water resource heat pump coefficient of performance; h _WSHP(t) exerting oneself for the heat of water resource heat pump t period after regulating; p _WSHP(t) be water resource heat pump t power consumption constantly;

3.2.3) user's side air-conditioner constraints

Thermoelectricity is than constraint: h _EHP(t, l)=COP _EHPP _EHP(t, l) (8)

h _EHP(t, l) is the t refrigeration work consumption sum of l group user air-conditioner constantly, COP _EHPBe the household air-conditioner coefficient;

The upper limit: 0≤p exerts oneself _EHP(t, l)≤min (P _EHP(l), H _Load(l)/COP _EHP); (9)

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

$p_{\mathrm{EHPs}}\left(t\right)=\underset{l=0}{\overset{L}{\mathrm{\Σ}}}{p}_{\mathrm{EHP}}(t,l)---\left(10\right)$

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

The h that exerts oneself that freezes that supplies with water resource heat pump _WSHP(t) and the generated output p of thermal power generation unit _CON(t) send to the first long-distance centralized control device, control it and regulate the action of day part in the time in future;

With user's air-conditioner heat pump 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 regulates the action of day part in the time in future.

Former wind-powered electricity generation shown in Figure 5 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 the wind-powered electricity generation equivalence is exerted oneself, front and back contrast, effect highly significant.

Claims (7)

1. a water resource heat pump and wind power generation combined refrigeration system, is characterized in that, comprising:

The water resource heat pump (A) of power consumption heat cycles cooling water so that hot water to be provided provides the thermal power generation unit of electric power for water resource heat pump (A);

Centralized heat absorption formula refrigeration machine (200), input connects the hot water outlet of water resource heat pump (A), produces cold water after heat exchange, and output connects cooling pipeline (114);

The wind power generating set (B) that is used for output electric power;

Air-conditioner (108) by power cable net (113) user in parallel with thermal power generation unit and wind power generating set (B); 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 coiling pipe bender remote control switch (116) of refrigeration fan coil pipe (110);

The first long-distance centralized control device (1121), the production capacity information of the hot water flow that supplies refrigeration of collection water resource heat pump and the generated output electric weight of thermal power generation sends the production capacity information that gathers 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 controls control actuating unit (118) action of water resource heat pump according to scheduling control signal;

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 that gathers 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 user's pipeline range information and the power consumption information of 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) execution 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 the regulation and control control signal, send the regulation and control control signal to the first long-distance centralized control device (1121) and/or the 3rd long-distance centralized control device (1123);

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) calculating, 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 sends scheduling control signal to the first long-distance centralized control device (1121) and/or the 3rd long-distance centralized control device (1123) via power cable or wireless transmission method.

2. water resource heat pump 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 water resource heat pump (A) that receives, the thermal power generation unit, the production capacity information of wind power generating set (B) and user's power consumption information, guaranteeing to satisfy under the condition that electric power is supplied with and refrigeration is supplied with, reduce water resource heat pump (A) and supply with the hot water flow of centralized heat absorption formula refrigeration machine (200) refrigeration, 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 water resource heat pump (A) at the hot water flow that supplies refrigeration of scheduling time and the generated output electric weight of thermal power generation unit, the regulation and control control signal of the cool water quantity of inflow user's refrigeration fan coil pipe (110) and the refrigeration electric power consumption of air-conditioner (108).

3. water resource heat pump 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 water resource heat pump (A), thermal power generation unit and wind power generating set (B), the first data receiver unit (201) of user's power consumption information and user pipe range information;

Data decoder unit (202) with all decoding datas of receiving;

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).

4. water resource heat pump according to claim 1 and wind power generation combined refrigeration system, it is characterized in that, 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); Also be provided with the special-purpose electric energy meter (109) of air-conditioner on air-conditioner (108), detect the power consumption of its refrigeration, this power consumption is also gathered by the 3rd long-distance centralized control device;

Water resource heat pump is controlled actuating unit (118), is coupled with remote control mode and integrated dispatch control device (115) by the first long-distance centralized control device (1121); Water resource heat pump is controlled actuating unit (118) according to the scheduling control signal execution action.

5. water resource heat pump 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, after processing, the non-refrigeration power consumption of user data process pulse-code converter and metering signal amplifying emission device be sent to integrated dispatch control device (115);

Refrigeration cold water flow pulse counter connects refrigeration fan coil pipe cold water and consumes gauge table (111), for detection of the cold water influx, the cold water influx is processed the 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;

The 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, control signal is sent to air-conditioner remote control switch (117), refrigeration fan coiling pipe bender remote control switch (116) execution action.

6. the dispatching method of water resource heat pump claimed in claim 1 and wind power generation combined refrigeration system, is characterized in that, comprises the following steps:

(in 0～T) * Δ T time period, Δ T is the sampling period, the number of times of T for gathering, the integrated dispatch control device is according to the water resource heat pump that receives, the thermal power generation unit, the production capacity information of wind power generating set, dope following a period of time (production capacity information of T～2T) * Δ T, again in conjunction with (user's power consumption information in 0～T) * Δ T time period, guaranteeing to satisfy under the condition that electric power is supplied with and refrigeration is supplied with, reduce water resource heat pump and supply with the hot water flow of centralized heat absorption formula refrigeration machine refrigeration, reducing hot water flow causes the needed refrigeration deficiency of user to be freezed to compensate by the 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, the integrated dispatch control device is take Δ T as the regulation and control cycle, generate scheduling control signal and send according to electric power is supplied with and refrigeration is supplied with prediction and scheduling, control hot water flow and the generated output electric weight for refrigeration of water resource heat pump after the first long-distance centralized control device receiving scheduling control signal, after the 3rd long-distance centralized control device receiving scheduling control signal, control the air-conditioner power consumption and freeze to compensate the refrigeration deficiency that the refrigeration fan coil pipe causes with the cold water minimizing.

7. the dispatching method of water resource heat pump as claimed in claim 6 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 water resource heat pump at (0～T) * Δ T time period heat of supplying with centralized heat absorption formula refrigeration machine H that exerts oneself _WSHP(t) and the generated output P of thermal power generation _CONAnd send to the 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 the (generated output of 0～T) * Δ T time period

And send to the integrated dispatch control device;

1.2) (in 0～T) * Δ T 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 in collection _i, non-refrigeration power consumption P _i(t), the refrigeration fan coil pipe is used for the consumption H of refrigeration _i(t) and the installed capacity P of air-conditioner _i ^EHP,And send to the integrated dispatch control device;

2) calculate following variable:

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

Then according to gross capability

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

By water resource heat pump at (the centralized heat absorption formula of the supply of 0～the T) * Δ T time period chiller heat H that exerts oneself _WSHP(t) and the generated output P of thermal power generation _CON(t), dope (the water resource heat pump heat of T～the 2T) * Δ T time period H that exerts oneself _WSHP(t) and thermal power generation generated output P _CON(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 rounding operation

With identical s _iThe user be divided into same group, count l group; Amount to the L group, L is natural number;

To each user grouping, calculate respectively the total cooling load H that respectively organizes all users _Load(l) and the installed capacity P of air-conditioner _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 _EHP(l)=∑ P _i ^EHP(l); P _i ^EHP(l) be the installed capacity of the air-conditioner of l group user i;

3) with above-mentioned H _WSHP(t), P _CON(t), H _Load(l), P _EHP(l) substitution is carried out iterative by object function (1) and constraints (4)～(10) compositional optimization problem, to obtain the 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, Be 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 _CON(t)-P _CON(t))-p _EHPs(t)； （2）

Wherein, p _CON(t) be the generated output of the thermal power generation unit after regulating, P _CON(t) the thermal power generation generated output for doping, p _EHPsAll user's air-conditioner power consumptions when (t) 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) the refrigeration duty equilibrium equation

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

Δh(t)=H _WSHP(t)-h _WSHP(t)； （4）

H wherein _WSHP(t) heat of supplying with centralized heat absorption formula refrigeration machine for the water resource heat pump of prediction is exerted oneself, h _WSHP(t) exert oneself for the heat of the centralized heat absorption formula refrigeration machine of water resource heat pump supply after regulating;

Consider that cold water flows into user's time at pipeline, the 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) the water resource heat pump restriction of exerting oneself:

Hot water restriction: the 0≤h that exerts oneself for refrigeration _WSHP(t)≤H _WSHP(6)

Water resource heat pump thermoelectricity is than retraining:

h _WSHP(t)=COP _WSHP·p _WSHP(t) （7）

Wherein, H _WSHPBe the specified thermal capacity of water resource heat pump; COP _WSHPBe the water resource heat pump coefficient of performance; h _WSHP(t) exerting oneself for the heat of water resource heat pump t period after regulating; p _WSHP(t) be water resource heat pump t power consumption constantly;

3.2.3) user's side air-conditioner constraints

Thermoelectricity is than constraint: h _EHP(t, l)=COP _EHPP _EHP(t, l) (8)

h _EHP(t, l) is the t refrigeration work consumption sum of l group user air-conditioner constantly, COP _EHPBe the household air-conditioner coefficient;

The upper limit: 0≤p exerts oneself _EHP(t, l)≤min (P _EHP(l), H _Load(l)/COP _EHP); (9)

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

$p_{\mathrm{EHPs}}\left(t\right)=\underset{l=0}{\overset{L}{\mathrm{\Σ}}}{p}_{\mathrm{EHP}}(t,l)---\left(10\right)$

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

The heat that water resource heat pump after regulating the is supplied with centralized heat absorption formula refrigeration machine h that exerts oneself _WSHP(t) and the generated output p of thermal power generation unit _CON(t) send to the first long-distance centralized control device, control it and regulate the action of day part in the time in future;

With user's air-conditioner heat pump 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 regulates the action of day part in the time in future.

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