CN102494430A - Cold-electricity cogeneration system comprising wind power and gas combined cycle unit and method for scheduling cold-electricity cogeneration system - Google Patents

Abstract

The invention discloses a cold-electricity cogeneration system comprising a wind power and gas combined cycle unit and a method for scheduling the cold-electricity cogeneration system. The system is cooled in two modes by a user, namely a coil pipe of a cooling fan and power consumption of an air conditioner, wherein cold water comes from a centralized heat absorption type refrigerating unit, power is provided by a gas combined cycle unit and a wind generating set in a combinative manner, and after conditions of energy supply and energy consumption of the user in a period of time are detected through a comprehensive scheduling control device, the conditions in a period of time later are predicted; the system is scheduled on the basis, cold water flow for cold energy power generation is reduced under the conditions that requirements of power supply and cold energy supply are met, and is compensated through power consumption cold supply; and by power consumption cold supply, the defects of cold supply through cold water can be overcome, and a load in a low power period can be increased; therefore, the power generation and gas combined cycle units are integrated according to wind power generation, so that the predicted power generation is closer to wind power generation required by the system.

Description

The combined power and cooling system and method that comprises wind-powered electricity generation and gas Combined Cycle Unit

Technical field

The present invention relates to city integrated energy supply system, relate in particular to a kind of combined power and cooling system and method that comprises wind-powered electricity generation and gas Combined Cycle Unit.

Background technology

Regenerative resource has the characteristics of green cleaning, and development in recent years rapidly.But with the wind-powered electricity generation is example, and wind-powered electricity generation is when providing the cleaning low-carbon (LC) energy, and being incorporated into the power networks on a large scale of wind energy turbine set brought adverse effect also for the power grid security economical operation.

Traditional scheduling problem is based on that load prediction accurately carries out.Have intermittence and random fluctuation property and wind energy receives the influence of multiple natural causes such as weather, height above sea level, landform and temperature, the difficulty of wind speed and wind power prediction is much bigger than load prediction.

Though Chinese scholars are predicted a large amount of correlative study work of having done to wind energy at present; But the prediction level of output of wind electric field still can't satisfy engineering request to a great extent, and this has brought sizable difficulty for the traffic control of power system.

Summary of the invention

Technical problem to be solved by this invention is a kind of combined power and cooling system and method that comprises wind-powered electricity generation and gas Combined Cycle Unit; Through dispatching patcher of the present invention and dispatching method thereof; Can reduce the wind-power electricity generation of system's actual needs and the error between the target wind-power electricity generation greatly; To help system's operation and planning, reduce the scheduling difficulty.

To achieve these goals, the present invention adopts following technical scheme:

A kind of co-generation unit that comprises wind-powered electricity generation and gas Combined Cycle Unit comprises: the gas Combined Cycle Unit that is used for output electric power and hot water; The wind power generating set that is used for output electric power; Centralized heat absorption formula refrigeration machine, the hot water outlet of connection gas Combined Cycle Unit is converted into cold water with hot water; With said gas Combined Cycle Unit and the parallelly connected air-conditioner of wind power generating set, said air-conditioner is driven and generation refrigeration cold wind by the electric energy that said gas Combined Cycle Unit and wind power generating set produce; The air-conditioner remote control switch of control air-conditioner; With the refrigeration fan coil pipe that said centralized heat absorption formula refrigeration machine is connected, the cold water of said centralized heat absorption formula refrigeration machine production flows into and produces refrigeration cold wind in the said refrigeration fan coil pipe; Refrigeration fan coil pipe cold water consumes gauge table, is used to detect the data that said refrigeration fan coil pipe cold water consumes; The refrigeration fan coil pipe flowing water valve remote control switch of control refrigeration fan coil pipe; The first remote centralized controller, the heating of gathering gas Combined Cycle Unit exert oneself hot water flow and generated output electric weight, and send exert oneself hot water flow and generated output electric quantity data of this heating to the integrated dispatch control device; The second remote centralized controller; Be stored with the range information between refrigeration fan coil pipe and the gas Combined Cycle Unit; Gather refrigeration fan coil pipe cold water and consume the cold water consumption data that gauge table detects, send range data between above-mentioned cold water consumption data and refrigeration fan coil pipe and the gas Combined Cycle Unit to the integrated dispatch control device then; The 3rd remote centralized controller is gathered the generated output electric weight of wind power generating set, sends this generated output electric quantity data to the integrated dispatch control device; The integrated dispatch control device is according to distance calculation between refrigeration fan coil pipe and the gas Combined Cycle Unit and the generated output that generates final scheduling controlling gas Combined Cycle Unit is exerted oneself with heat and the power consumption of the air-conditioner in the different moment of user and the control signal of cooling amount; After the said first remote centralized controller receives the scheduling control signal that the integrated dispatch control device sent, with the actuating unit action of this scheduling control signal control gas Combined Cycle Unit; After the said second remote centralized controller receives the scheduling control signal that the integrated dispatch control device sent, with this scheduling control signal drive the air-conditioner remote control switch respectively, refrigeration fan coil pipe flowing water valve remote control switch is carried out the switching on and shutting down action.

Said refrigeration fan coil pipe flowing water valve remote control switch is coupled with remote control mode and said integrated dispatch control device through the second remote centralized controller; Said air-conditioner remote control switch is coupled with remote control mode and said integrated dispatch control device through the second remote centralized controller; Said gas Combined Cycle Unit control actuating unit is coupled with remote control mode and said integrated dispatch control device through the first remote centralized controller; Said gas Combined Cycle Unit control actuating unit is according to the scheduling control signal that obtains, and controls connected coal-fired charging valve, Boiler Steam admission valve, heating steam draw gas valve and generating steam flow valve event;

Said integrated dispatch control device comprises: the heating that receives the gas Combined Cycle Unit that the first remote centralized controller the sends first data receiving element of hot water flow and generated output electric weight of exerting oneself; Receive the refrigeration cold water consumption data of the refrigeration fan coil pipe that the second remote centralized controller sends and the second data receiving element of user pipe range information; Receive the 3rd data receiving element of the generated output electric quantity data of the wind power generating set that the 3rd remote centralized controller sends; The data decoder that first, second data that receive with the 3rd data receiving element are decoded; The data storage that said decoded data are stored; The data of being stored in the data memory are calculated and are generated the scheduling control signal computing unit of scheduling control signal; Said scheduling control signal is carried out the encoded signals transcriber; And the scheduling control signal after will encoding passes to the transmitting element of the first remote centralized controller and the second remote centralized controller respectively;

Said gas Combined Cycle Unit control actuating unit comprises scheduling control signal transmitting-receiving code storage unit, drive circuit and mechanical gear control device; Said scheduling control signal generates the instruction of gas Combined Cycle Unit scheduling controlling after scheduling control signal transmitting-receiving code storage unit decodes; This control instruction drags signal and triggers the mechanical gear control device through the overdrive circuit output power, coal-fired charging valve event, the steam that the mechanical gear control device is controlled gas Combined Cycle Unit again draw gas valve event and generating steam flow valve event;

Said integrated dispatch control device is connected with cloud computing calculation services system through power optical fiber, and drives the calculating of cloud computing service system, to obtain scheduling control signal; Said integrated dispatch control device receives the scheduling control signal that cloud computing calculation services system-computed obtains through power optical fiber, gives the first remote centralized controller and the second remote centralized controller via power cable or this scheduling control signal of wireless transmission method issue then;

The said second remote centralized controller comprises refrigeration cold water flow pulse counter, pulse-code converter, the metering signal amplifying emission device that connects successively, and interconnective control signal Rcv decoder and control signal remote control transmitter; Refrigeration cold water flow pulse counter connects refrigeration fan coil pipe cold water and consumes gauge table; Be used to detect the refrigeration data on flows that refrigeration fan coil pipe cold water consumes gauge table, be sent to the integrated dispatch control device after the refrigeration data on flows that refrigeration cold water flow pulse counter obtains detection is passed through pulse-code converter and the processing of metering signal amplifying emission device; The control signal Rcv decoder; The scheduling control information that reception integrated dispatch control device sends is also decoded, and through the control signal remote control transmitter control signal is sent to air-conditioner remote control switch, refrigeration fan coil pipe flowing water valve remote control switch execution switching on and shutting down action then;

A kind of dispatching method that comprises the combined power and cooling system of wind-powered electricity generation and gas Combined Cycle Unit may further comprise the steps:

1) measure following data: every interval delta T period measurement once, wherein, Δ T is the sampling period, sampling number is T, T is a natural number

1.1) the measurement supply side: the generated output P that gathers the gas Combined Cycle Unit of gas Combined Cycle Unit _Comb(t) and the heat H that exerts oneself _Comb(t), the heat treatment H of heating boiler _Boil(t), the 3rd remote centralized controller is gathered the generated output of wind energy unit

1.2) user side:

(a) N user's refrigeration fan coil pipe apart from the pipeline of gas Combined Cycle Unit apart from S _i

(b) the consumption cold H of N user's refrigeration fan coil pipe _i(t);

(c) N user's air-conditioner installed capacity

2) calculate:

2.1) to calculate total generated output M of wind power generating set be the unit quantity of wind energy unit;

2.2) according to 2.1) and in the total generated output of wind power generating set that calculates Utilize statistical analysis technique to calculate the generated output P that dopes following a period of time wind power generating set _Wind(t); According to 1.1) heat of the gas Combined circulation of the gas Combined Cycle Unit of the gathering H that exerts oneself _Comb(t), the heat of the gas Combined circulation of the gas Combined Cycle Unit of following a period of time of the prediction H that exerts oneself _Comb(t); According to 1.1) the generated output P of the gas Combined circulation of the gas Combined Cycle Unit of gathering _Comb(t), the generated output P of the gas Combined circulation of the gas Combined Cycle Unit of following a period of time of prediction _Comb(t); According to the heat of the heating boiler of the following a period of time gas Combined Cycle Unit H that exerts oneself _Boil, the heat of the following a period of time heating boiler of the prediction H that exerts oneself _Boil

2.3) according between refrigeration fan coil pipe and the gas Combined Cycle Unit apart from S _iAll users are divided into the L group, and L is a natural number, obtains total cooling load H of all users in each group then respectively _Load(l)=∑ H _i(t is l) with the air-conditioner capacity

H _i(t is that l organizes the refrigeration fan coil pipe at t cooling load constantly l),

Be the air-conditioner capacity of l group refrigeration fan coil pipe, wherein user packet method is: at first calculate the equivalent distances between refrigeration fan coil pipe and the gas Combined Cycle Unit

V be cold water at ducted flow velocity, right then

Round and obtain s _i, then, will have identical s _iThe user be divided into same group, wherein, s _i=l, l are the l group during L divides into groups;

2.4 calculate the generated output p of the gas Combined circulation of regulating the back gas Combined Cycle Unit according to aforementioned calculation and each parameter iteration that dopes _Comb(t) and the heat h that exerts oneself _Comb(t), the heat of the heating boiler of the gas Combined Cycle Unit h that exerts oneself _Boil, the different air-conditioner power consumption constantly of user p _EHP(t is l) with cooling amount h _EHP(t, l).

The said generated output p that regulates back combustion gas combined cycle _Comb(t) and the heat h that exerts oneself _Comb(t), the heat of the heating boiler of the gas Combined Cycle Unit h that exerts oneself _Boil, the different air-conditioner power consumption constantly of user p _EHP(t is l) with cooling amount h _EHP(t, computational methods l) are: unite following formula (1)～(9) and can learn under the situation of Δ p minimum, the generated output p of combustion gas combined cycle after regulating _Comb(t) and the heat h that exerts oneself _Comb(t), the heat of the heating boiler of the gas Combined Cycle Unit h that exerts oneself _Boil, the different air-conditioner power consumption constantly of user p _EHP(t is l) with cooling amount h _EHP(t, l):

(A) establish object function

$\mathrm{\Δp}=\sqrt{\underset{t=0}{\overset{T}{\mathrm{\Σ}}}{(p_{\mathrm{wind}}\left(t\right)-P_{\mathrm{wind}}^{\mathrm{need}})}^2/(T+1)}---\left(1\right)$

Wherein, Δ p is the equivalent generated output of wind power generating set after regulating and the standard error of target generated output, the MW of unit;

p _Wind(t) for regulating the equivalent generated output of back wind power generating set, the MW of unit;

is the target generated output of wind power generating set, the MW of unit;

p _Wind(t) expression formula is following:

p _wind(t)＝P _wind(t)+(p _comb(t)-p _comb(t))-p _EHPs(t) (2)

Wherein, p _Wind(t) for regulating the equivalent generated output of back wind power generating set, the MW of unit;

P _Wind(t) be step 2.2) in the generated output of wind power generating set of prediction, the MW of unit;

p _Comb(t) for regulating the generated output of back gas Combined Cycle Unit, the MW of unit;

P _Comb(t) be step 2.2) in the generated output of gas Combined Cycle Unit of prediction, the MW of unit;

p _EHPsThe power consumption of all user's air-conditioners when (t) being t, the MW of unit;

(B) establish constraint equation

The thermic load equilibrium equation:

Δh(t)＝|(H _comb(t)+H _boil(t))-(h _comb(t)+h _boil(t))| (3)

$\mathrm{\Δh}\left(t\right)=\underset{l=0}{\overset{L}{\mathrm{\Σ}}}{h}_{\mathrm{EHP}}(t+l,l)$ (T≤t+l≤2T) (4)

Wherein,

The not enough power of Δ h (t) expression t period gas Combined Cycle Unit hot water heating, the MW of unit;

H _Comb(t)+H _Boil(t) exert oneself the MW of unit for the gas Combined Cycle Unit heating heat of prediction;

h _Comb(t)+h _Boil(t) exert oneself the MW of unit for regulating back gas Combined Cycle Unit heating heat;

h _EHP(t+l l) is the t+l refrigeration work consumption sum of l group user air-conditioner constantly, the MW of unit;

The gas Combined Cycle Unit constraint:

$h_{\mathrm{comb}}\left(t\right)=f_{\mathrm{comb}}\left(t\right)\·{\mathrm{\η}}_{\mathrm{comb}}^q---\left(5\right)$

$p_{\mathrm{comb}}\left(t\right)=f_{\mathrm{comb}}\left(t\right)\·{\mathrm{\η}}_{\mathrm{comb}}^e---\left(6\right)$

In above-mentioned formula (5)～(6), h _Comb(t) exert oneself the MW of unit for the heat of regulating back combustion gas combined cycle; f _Comb(t) the power energy consumption that circulates for gas Combined; p _Comb(t) exert oneself the MW of unit for the electricity of regulating back combustion gas combined cycle;

The combined cycle thermal efficiency for the gas Combined circulation;

Combined cycle generation efficient for the gas Combined circulation;

The constraint of user side air-conditioner:

Cold electricity is than constraint: h _EHP(t, l)=COP _EHPP _EHP(t, l) (7)

The air-conditioner upper limit: the 0≤p that exerts oneself _EHP(t, l)≤min (P _EHP(l) H _Load(l)/COP _EHP) (8)

Wherein, h _EHP(t l) is the t refrigeration work consumption sum of l group user air-conditioner constantly, the MW of unit;

COP _EHPBe the household air-conditioner coefficient;

p _EHP(t l) is the t power consumption sum of l group user air-conditioner constantly, the MW of unit;

The air-conditioning air-conditioner power consumption of all user's groups:

$p_{\mathrm{EHPs}}\left(t\right)=\underset{l=0}{\overset{L}{\mathrm{\Σ}}}{p}_{\mathrm{EHP}}(t,l)---\left(9\right).$

With respect to prior art; Beneficial effect of the present invention is: the present invention utilizes the pipeline distance of user to low-temperature receiver; Fuel Consumption, generated output and heat supply according to the demand of terminal use's load energy consumption is regulated gas Combined Cycle Unit exerted oneself, the electric power consumption of terminal use's air-conditioner refrigeration, and the refrigeration cooling amount of terminal use's refrigeration fan coil pipe; Thereby reduce the wind-power electricity generation of system's actual needs and the error between the target wind-power electricity generation greatly; To help system's operation and planning, reduce the scheduling difficulty.

Description of drawings

Fig. 1 is the structured flowchart that the present invention includes the combined power and cooling system of wind-powered electricity generation and gas Combined Cycle Unit;

Fig. 2 is the structured flowchart of the present invention's second remote centralized controller;

Fig. 3 is the structured flowchart of gas Combined Cycle Unit control actuating unit of the present invention;

Fig. 4 is the structured flowchart of integrated dispatch control device of the present invention;

Fig. 5 is the connection layout of integrated dispatch control device of the present invention and cloud computing service system;

Fig. 6 is the curve map of equivalent power load and target load after dispatching patcher of the present invention and dispatching method are regulated.

The specific embodiment

Below in conjunction with the description of drawings specific embodiment of the present invention.

Please with reference to shown in Figure 1, a kind of combined power and cooling system of wind-powered electricity generation and gas Combined Cycle Unit that comprises of the present invention comprises:

The gas Combined Cycle Unit A that is used for output electric power and hot water;

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

Centralized heat absorption formula refrigeration machine, the hot water outlet of connection gas Combined Cycle Unit A is converted into cold water with hot water;

Through power cable 113 air-conditioner 108 parallelly connected with said gas Combined Cycle Unit A and wind power generating set, said air-conditioner 108 is driven and generation refrigeration cold wind by the electric energy that said gas Combined Cycle Unit A and wind power generating set produce;

The air-conditioner remote control switch 117 of control air-conditioner 108;

Through the refrigeration fan coil pipe 110 that pipeline 114 is connected with said centralized heat absorption formula refrigeration machine, the cold water of said centralized heat absorption formula refrigeration machine production flows into and produces refrigeration cold wind in the said refrigeration fan coil pipe 110;

Refrigeration fan coil pipe cold water consumes gauge table 111, is used to detect the data that said refrigeration fan coil pipe 110 cold water consume;

The refrigeration fan coil pipe flowing water valve remote control switch 116 of control refrigeration fan coil pipe 110;

The first remote centralized controller 1121; The heating of gathering gas Combined Cycle Unit A exert oneself hot water flow and generated output electric weight; And with the heating of the gas Combined Cycle Unit A that the gathers hot water flow of exerting oneself, the generated output electric weight sends integrated dispatch control device 115 to;

The second remote centralized controller 1122 stores the range information between refrigeration fan coil pipe and the gas Combined Cycle Unit A, sends the range information between this refrigeration fan coil pipe and the gas Combined Cycle Unit A to integrated dispatch control device 115 again; Gather refrigeration fan coil pipe cold water and consume the cold water consumption data that gauge table 111 detects, the cold water consumption data that the refrigeration fan coil pipe cold water that will gather again consumes gauge table 111 detections sends integrated dispatch control device 115 to;

Integrated dispatch control device 115; According to distance between refrigeration fan coil pipe 110 and the gas Combined Cycle Unit A, calculate and generate the generated output of final scheduling controlling gas Combined Cycle Unit A and exert oneself with heat and the power consumption of the different air-conditioning air-conditioners constantly of user and the control signal of cooling amount;

After the first remote centralized controller receives the scheduling control signal that integrated dispatch control device 115 sent, with the actuating unit action of this scheduling control signal control gas Combined Cycle Unit A;

The second remote centralized controller after receive the scheduling control signal that integrated dispatch control device 115 sent, with this scheduling control signal drive air-conditioner remote control switch 117 respectively, refrigeration fan coil pipe flowing water valve remote control switch 116 is carried out the switching on and shutting down action;

The air-conditioner 108 of end user location can be under the driving of the electric energy of gas Combined Cycle Unit A and wind power generating set generation and uses the terminal use of air-conditioner 108 that refrigeration cold wind is provided.The cooling cold water of centralized heat absorption formula refrigeration machine production provides refrigeration cold wind through the refrigeration fan coil pipe 110 that pipeline 114 sends the terminal use to.The valve that gas Combined Cycle Unit A is provided with the input quantity of steam 1., 3. 2. the exert oneself metered valve door that draws gas of heat supply reach generating quantity of steam valve.The air-conditioner 108 of said end user location is parallelly connected with gas Combined Cycle Unit A and wind power generating set through transmission line of electricity 113; The electric energy that is produced by said gas Combined Cycle Unit A and wind power generating set drives air-conditioner 108 and produces the refrigeration cold wind, and then refrigeration cold wind is provided for air conditioner user.5. said air-conditioner 108 also comprises air-conditioner switch.

Please with reference to Fig. 1, said air-conditioner remote control switch 117 connects air-conditioner 108, is used to control the switch of air-conditioner 108.Said refrigeration fan coil pipe 110 is connected with said centralized heat absorption formula refrigeration machine through pipeline 114, and flows into generation refrigeration cold wind in the said refrigeration fan coil pipe 110 by the cold water of said centralized heat absorption formula refrigeration machine output.Said cold water consumes gauge table 111 and is coupled with said refrigeration fan coil pipe 110, and the refrigeration that is used to detect said refrigeration fan coil pipe 110 consumes cold data.6. said refrigeration fan coil pipe 110 is provided with controlled valve.The second remote centralized controller 112 is gathered refrigeration fan coil pipe cold water and is consumed the cold water consumption data that gauge table 111 detects, and then sends this cold water consumption data to integrated dispatch control device 115.

Please with reference to shown in Figure 2; The second remote centralized controller 1122 comprises refrigeration cold water flow pulse counter, pulse-code converter, the metering signal amplifying emission device that connects successively, and interconnective control signal Rcv decoder and control signal remote control transmitter; Refrigeration cold water flow pulse counter connects refrigeration fan coil pipe refrigeration fan coil pipe cold water and consumes gauge table 111; Be used to detect refrigeration fan coil pipe cold water and consume the refrigeration data on flows of gauge table 111 and the range information between refrigeration fan coil pipe and the gas Combined Cycle Unit A, be sent to integrated dispatch control device 115 after refrigeration data on flows that the detection of refrigeration cold water flow pulse counter obtains and range information process pulse-code converter and metering signal amplifying emission device are handled; The control signal Rcv decoder; The scheduling control information that reception integrated dispatch control device 115 sends is also decoded, and through the control signal remote control transmitter control signal is sent to air-conditioner remote control switch 117, the 116 execution switching on and shutting down actions of refrigeration fan coil pipe flowing water valve remote control switch then.

The first remote centralized controller 1121; The heating of gathering gas Combined Cycle Unit A exert oneself hot water flow and generated output electric weight; And with the heating of the gas Combined Cycle Unit A that the gathers hot water flow of exerting oneself, the generated output electric weight sends integrated dispatch control device 115 to.

Please with reference to shown in Figure 3; Gas Combined Cycle Unit A control actuating unit comprises scheduling control signal transmitting-receiving coded stack 302, drive circuit 303 and mechanical gear control device 304; Said scheduling control signal generates the instruction of gas Combined Cycle Unit scheduling controlling after 302 decodings of scheduling control signal transmitting-receiving coded stack; Through the Electric Traction signal triggering mechanical gear control device 304 of overdrive circuit 303 output, 1. the input quantity of steam valve that mechanical gear control device 304 is controlled gas Combined Cycle Unit A again moves, heat supply is exerted oneself, and 3. the metered valve door quantity of steam valve that 2. moves and generate electricity that draws gas moves.Thereby fuel input, purposes extraction flow and the power generation application steam flow of control gas Combined Cycle Unit A.

Please with reference to Fig. 4, integrated dispatch control device 115 comprises:

The heating that receives the gas Combined Cycle Unit (A) that the first remote centralized controller the sends first data receiving element 200 of hot water flow and generated output electric weight of exerting oneself;

Receive the refrigeration cold water consumption data of second remote centralized controller transmission and the second data receiving element 201 of user pipe range information;

Receive the 3rd data receiving element of the generated output electric quantity data of the wind power generating set that the 3rd remote centralized controller sends;

The data decoder 202 that first, second data that receive with the 3rd data receiving element are decoded;

The data storage that said decoded data are stored;

The data of being stored in the data memory are calculated and are generated the scheduling control signal computing unit 204 of scheduling control signal;

Said scheduling control signal is carried out encoded signals transcriber 205; And

Scheduling control signal behind the coding is passed to the transmitting element 206 of the first remote centralized controller and the second remote centralized controller respectively.

Please with reference to Fig. 5, integrated dispatch control device 115 is connected with cloud computing service system 917 through power optical fiber 120, and drives 917 calculating of cloud computing service system, to obtain scheduling control signal; Integrated dispatch control device 115 receives cloud computing service systems 917 through power optical fiber 120 and calculates the scheduling control signal that obtains, and gives the first remote centralized controller 1121, the second remote centralized controller 1122 via power cable or this scheduling control signal of wireless transmission method issue then.

The dispatching method that the present invention includes the combined power and cooling system of wind-powered electricity generation and gas Combined Cycle Unit may further comprise the steps:

1) measure---every interval delta T period measurement once, wherein, Δ T is the sampling period, sampling number is T, T is a natural number

(1.1) measure supply side:

Measure the generated output P of the gas Combined Cycle Unit of gas Combined Cycle Unit A _Comb(t) and the heat H that exerts oneself _Comb(t), the heat treatment H of heating boiler _Boil(t), the 3rd remote centralized controller is gathered the generated output of wind power generating set

(1.2) measure user side: (i=0～N, N are user's number)

1.2.1) a N user's refrigeration fan coil pipe apart from the pipeline of gas Combined Cycle Unit A apart from S _i

1.2.2) the consumption cold H of a N user's refrigeration fan coil pipe _i(t);

1.2.3) a N user's air-conditioner installed capacity

2) calculate:

2.1) to calculate total generated output M of wind power generating set be the unit quantity of wind energy unit;

2.2) according to 2.1) and in the total generated output of wind power generating set that calculates

Utilize known SPSS (Statistical Product and Service Solutions) statistical analysis technique, dope the generated output P of following a period of time wind power generating set _Wind(t); According to 1.1) heat of the gas Combined circulation of the gas Combined Cycle Unit A that the gathers H that exerts oneself _Comb(t), the heat of the gas Combined circulation of the gas Combined Cycle Unit A of following a period of time of the prediction H that exerts oneself _Comb(t); According to 1.1) the generated output P of the gas Combined circulation of the gas Combined Cycle Unit A that gathers _Comb(t), the generated output P of the gas Combined circulation of the gas Combined Cycle Unit A of following a period of time of prediction _Comb(t); According to the heat of the heating boiler of the following a period of time gas Combined Cycle Unit A H that exerts oneself _Boil, the heat of the following a period of time heating boiler of the prediction H that exerts oneself _Boil

2.3) user grouping: calculate the equivalent distances of each user to low-temperature receiver

And do rounding operation and get

With identical The user be divided into same group, s _i=l, (L is a natural number to add up to the L group; V is that cold water is at ducted flow velocity);

2.4) to 2.3) and in L the group of getting, obtain the total cooling load H that respectively organizes all users respectively _Load(l) and air-conditioner capacity P _EHP(l)

H _i(t is that l group user i is at t cooling load constantly l)

i l-group of users for the air conditioner capacity

3) control is calculated

With 1) control in the calculating below middle each parameter substitution of calculating and predicting:

(3.1) object function

$\mathrm{\Δ\; p}=\sqrt{\underset{t=0}{\overset{T}{\mathrm{\Σ}}}{(p_{\mathrm{Wind}}\left(t\right)-P_{\mathrm{Wind}}^{\mathrm{Need}})}^2/(T+1)}$ Formula (1)

Wherein, Δ p is the equivalent generated output of wind power generating set after regulating and the standard error of target generated output, the MW of unit;

p _Wind(t) for regulating the equivalent generated output of back wind energy unit, the MW of unit;

is the target generated output, the MW of unit.

p _Wind(t) expression formula is following:

p _Wind(t)=P _Wind(t)+(p _Comb(t)-P _Comb(t))-p _EHPs(t) formula (2)

Wherein, p _Wind(t) for regulating the equivalent generated output of back wind power generating set, the MW of unit;

P _Wind(t) be step 2.2) in the generated output of wind power generating set of prediction, the MW of unit;

p _Comb(t) for regulating the generated output of back gas Combined Cycle Unit A, the MW of unit;

P _Comb(t) be step 2.2) in the generated output of gas Combined Cycle Unit A of prediction, the MW of unit;

p _EHPsThe power consumption of all user's air-conditioners when (t) being t, the MW of unit.

(3.2) constraint equation

3.2.1 thermic load equilibrium equation

It is the core of method that air-conditioner electricity consumption refrigeration replaces the deficiency that the gas Combined Cycle Unit hot water heating exerts oneself (supposing that hot water and the conversion efficiency of cold water between gas Combined Cycle Unit and the centralized heat absorption formula refrigeration machine are 1); If the not enough power of Δ h (t) expression t period gas Combined Cycle Unit hot water heating; Then, its expression formula is:

Δ h (t)=| (H _Comb(t)+H _Boil(t))-(h _Comb(t)+h _Boil(t)) | formula (3)

Wherein, the not enough power of Δ h (t) expression t period gas Combined Cycle Unit hot water heating, the MW of unit

H _Comb(t)+H _Boil(t) exert oneself the MW of unit for the gas Combined Cycle Unit heating heat of prediction;

h _Comb(t)+h _Boil(t) exert oneself the MW of unit for regulating back gas Combined Cycle Unit heating heat.

T period gas Combined Cycle Unit hot water supply deficiency is organized by each user and is used air-conditioner power consumption refrigeration to obtain, because the time delay of cold water transmission, also there is time-delay in the influence that cold water is not enough, and this time-delay is organized the variation of distance along with the user and changed.For example, according in the preceding text all users being divided into approximate 0,1; .., L user's group is organized for the 1st user; The time that cold water flows to it is a unit scheduling duration; So the cold water deficiency also will have influence on the 1st user group in the t+1 period, in like manner, the cold water deficiency will have influence on l user's group in the t+l period.Eventually the above, t period gas Combined Cycle Unit hot water supply deficiency will be by the air-conditioner of 0～L user group, respectively in that t～(t+l) period compensates through electricity consumption.Concrete formula is:

$\mathrm{\Δ\; h}\left(t\right)=\underset{l=0}{\overset{L}{\mathrm{\Σ}}}{h}_{\mathrm{EHP}}(t+l,l)$ (the formula (4) of T≤t+l≤2T)

Wherein, h _EHP(t+l l) is the t+l refrigeration work consumption sum of l group user air-conditioner constantly, the MW of unit.

If h in the formula _EHP(t l) can get 0, and on the one hand, some period, not all user's group was all participated in compensation; On the other hand, if surpassed the total activation time of regulation, the Cold water supply deficiency does not have influence on the user's group that is in far-end yet, and these user's groups also will not participated in compensation so.

3.2.2 gas Combined Cycle Unit constraint:

$h_{\mathrm{Comb}}\left(t\right)=f_{\mathrm{Comb}}\left(t\right)\·{\mathrm{\η}}_{\mathrm{Comb}}^q;$ Formula (5)

$p_{\mathrm{Comb}}\left(t\right)=f_{\mathrm{Comb}}\left(t\right)\·{\mathrm{\η}}_{\mathrm{Comb}}^e;$ Formula (6)

In above-mentioned formula (5)～(6), h _Comb(t) exert oneself the MW of unit for the heat of regulating back combustion gas combined cycle; f _Comb(t) the power energy consumption that circulates for gas Combined; p _Comb(t) exert oneself the MW of unit for the electricity of regulating back combustion gas combined cycle; The combined cycle thermal efficiency for the gas Combined circulation;

Combined cycle generation efficient for the gas Combined circulation.Mention in order to guarantee that gas Combined Cycle Unit still can satisfy the demand of original regional electric load at method general introduction one joint simultaneously, can limit the gas Combined circulating generation in addition and exert oneself greater than the original plan generated output:

p _Comb(t)>=P _CombFormula (7);

3.2.3 user side air-conditioner constraint

Cold electricity is than constraint

h _EHP(t, l)=COP _EHPP _EHP(t, l) formula (8)

The air-conditioner upper limit of exerting oneself

0≤p _EHP(t, l)≤min (P _EHP(l), H _Load(l)/COP) formula (9)

Wherein, h _EHP(t l) is the t refrigeration work consumption sum of l group user air-conditioner constantly, the MW of unit;

COP _EHPBe the household air-conditioner coefficient;

p _EHP(t l) is the t power consumption sum of l group user air-conditioner constantly, the MW of unit.

Last air-conditioner power consumption cooling both can compensate the deficiency of cold water cooling, and therefore the load of the low-valley interval that also can increase electric power, need obtain the air-conditioning air-conditioner power consumption sum of all user's groups of day part:

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

4) send control signals to supply and user-execution action

According to 3) after optimizing performance variable, this performance variable signal is sent to supply side and user, carry out specifically action, as follows:

The generated output p of the gas Combined circulation of A gas Combined Cycle Unit _Comb(t) and the heat h that exerts oneself _Comb(t), the heat of the heating boiler of the gas Combined Cycle Unit h that exerts oneself _Boil(t) signal, the control gas Combined Cycle Unit will be regulated the action of day part in the time in future

The different air-conditioner power consumption constantly of party B-subscriber p _EHP(t is l) with cooling amount h _EHP(t, l), control user side different distance user uses air-conditioner heating amount, and closes refrigeration fan coil pipe amount.

The generated output p of the gas Combined circulation of said gas Combined Cycle Unit _Comb(t) and the heat h that exerts oneself _Comb(t), the heat of the heating boiler of the gas Combined Cycle Unit h that exerts oneself _Boil(t) the different air-conditioner power consumption constantly of signal p with the user _EHP(t is l) with cooling amount h _EHP(t, l) uniting above-mentioned formula (1)～formula (10) can obtain.

With reference to shown in Figure 6, can know that please after the invention dispatching method was regulated, user's power load was basic near consistent with the target load curve by figure.

The present invention regulates the generated energy of gas Combined Cycle Unit with the output that reduces cold water, finally regulates electric load, so, can on energy-conservation greatly basis, make that the power load of prediction is consistent with target load.

The above is merely one embodiment of the present invention; It or not whole or unique embodiment; The conversion of any equivalence that those of ordinary skills take technical scheme of the present invention through reading specification of the present invention is claim of the present invention and contains.

Claims (8)

1. combined power and cooling system that comprises wind-powered electricity generation and gas Combined Cycle Unit is characterized in that: comprising:

The gas Combined Cycle Unit (A) that is used for output electric power and hot water;

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

Centralized heat absorption formula refrigeration machine, the hot water outlet of connection gas Combined Cycle Unit (A) is converted into cold water with hot water;

The air-conditioner (108) parallelly connected with said gas Combined Cycle Unit (A) and wind power generating set, said air-conditioner (108) is driven and generation refrigeration cold wind by the electric energy that said gas Combined Cycle Unit (A) and wind power generating set produce;

The air-conditioner remote control switch (117) of control air-conditioner (108);

With the refrigeration fan coil pipe (110) that said centralized heat absorption formula refrigeration machine is connected, the cold water of said centralized heat absorption formula refrigeration machine production flows into and produces refrigeration cold wind in the said refrigeration fan coil pipe (110);

Refrigeration fan coil pipe cold water consumes gauge table (111), is used to detect the data that said refrigeration fan coil pipe (110) cold water consumes;

The refrigeration fan coil pipe flowing water valve remote control switch (116) of control refrigeration fan coil pipe (110);

The first remote centralized controller (1121), the heating of gathering gas Combined Cycle Unit (A) exert oneself hot water flow and generated output electric weight, and send exert oneself hot water flow and generated output electric quantity data of this heating to integrated dispatch control device (115);

The second remote centralized controller (1122); Be stored with the range information between refrigeration fan coil pipe (110) and the gas Combined Cycle Unit (A); Gather refrigeration fan coil pipe cold water and consume the cold water consumption data that gauge table (111) detects, send range data between above-mentioned cold water consumption data and refrigeration fan coil pipe (110) and the gas Combined Cycle Unit (A) to integrated dispatch control device (115) then;

The 3rd remote centralized controller (1123) is gathered the generated output electric weight of wind power generating set, sends this generated output electric quantity data to integrated dispatch control device (115);

Integrated dispatch control device (115) is according to distance calculation between refrigeration fan coil pipe (110) and the gas Combined Cycle Unit (A) and the generated output that generates final scheduling controlling gas Combined Cycle Unit (A) is exerted oneself with heat and the power consumption of the air-conditioners in the different moment of user and the control signal of cooling amount;

After the said first remote centralized controller (1121) receives the scheduling control signal that integrated dispatch control device (115) sent, with the actuating unit action of this scheduling control signal control gas Combined Cycle Unit (A);

After the said second remote centralized controller (1122) receives the scheduling control signal that integrated dispatch control device (115) sent, with this scheduling control signal drive air-conditioner remote control switch (117) respectively, refrigeration fan coil pipe flowing water valve remote control switch (116) is carried out the switching on and shutting down action.

2. a kind of combined power and cooling system that comprises wind-powered electricity generation and gas Combined Cycle Unit according to claim 1 is characterized in that,

Said refrigeration fan coil pipe flowing water valve remote control switch (116) is coupled with remote control mode and said integrated dispatch control device (115) through the second remote centralized controller (112);

Said air-conditioner remote control switch (117) is coupled with remote control mode and said integrated dispatch control device (115) through the second remote centralized controller;

Said gas Combined Cycle Unit control actuating unit is coupled with remote control mode and said integrated dispatch control device (115) through the first remote centralized controller;

Said gas Combined Cycle Unit control actuating unit (118) is according to the scheduling control signal that obtains, and controls connected coal-fired charging valve, Boiler Steam admission valve, steam draw gas valve and generating steam flow valve event.

3. a kind of combined power and cooling system that comprises wind-powered electricity generation and gas Combined Cycle Unit according to claim 1 is characterized in that said integrated dispatch control device (115) comprising:

The heating that receives the gas Combined Cycle Unit (A) that the first remote centralized controller the sends first data receiving element (200) of hot water flow and generated output electric weight of exerting oneself;

Receive the refrigeration cold water consumption data of the refrigeration fan coil pipe that the second remote centralized controller sends and the second data receiving element (201) of user pipe range information;

Receive the 3rd data receiving element of the generated output electric quantity data of the wind power generating set that the 3rd remote centralized controller sends;

The data decoder (202) that first, second data that receive with the 3rd data receiving element are decoded;

The data storage (203) that said decoded data are stored;

The data of being stored in the data memory are calculated and are generated the scheduling control signal computing unit (204) of scheduling control signal;

Said scheduling control signal is carried out encoded signals transcriber (205); And

Scheduling control signal behind the coding is passed to the transmitting element (206) of the first remote centralized controller and the second remote centralized controller respectively.

4. a kind of combined power and cooling system that comprises wind-powered electricity generation and gas Combined Cycle Unit according to claim 1; It is characterized in that; The actuating unit of said gas Combined Cycle Unit comprises scheduling control signal transmitting-receiving code storage unit (302), drive circuit (303) and mechanical gear control device (304); Said scheduling control signal generates the instruction of gas Combined Cycle Unit scheduling controlling after scheduling control signal transmitting-receiving code storage unit decodes; This control instruction drags signal and triggers the mechanical gear control device through the overdrive circuit output power, coal-fired charging valve event, the steam that the mechanical gear control device is controlled gas Combined Cycle Unit again draw gas valve event and generating steam flow valve event.

5. a kind of combined power and cooling system that comprises wind-powered electricity generation and gas Combined Cycle Unit according to claim 1; It is characterized in that; Said integrated dispatch control device (115) is connected with cloud computing calculation services system (917) through power optical fiber (120); And drive cloud computing service system (917) calculating, to obtain scheduling control signal; Said integrated dispatch control device (115) receives cloud computing calculation services system (917) through power optical fiber (120) and calculates the scheduling control signal that obtains, and gives the first remote centralized controller and the second remote centralized controller via power cable or this scheduling control signal of wireless transmission method issue then.

6. a kind of combined power and cooling system that comprises wind-powered electricity generation and gas Combined Cycle Unit according to claim 1; It is characterized in that; The said second remote centralized controller comprises refrigeration cold water flow pulse counter, pulse-code converter, the metering signal amplifying emission device that connects successively, and interconnective control signal Rcv decoder and control signal remote control transmitter;

Refrigeration cold water flow pulse counter connects refrigeration fan coil pipe cold water and consumes gauge table (111); Be used to detect the refrigeration data on flows that refrigeration fan coil pipe cold water consumes gauge table (111), be sent to integrated dispatch control device (115) after the refrigeration data on flows that refrigeration cold water flow pulse counter obtains detection is passed through pulse-code converter and the processing of metering signal amplifying emission device;

The control signal Rcv decoder; The scheduling control information that reception integrated dispatch control device (115) sends is also decoded, and through the control signal remote control transmitter control signal is sent to air-conditioner remote control switch (117), refrigeration fan coil pipe flowing water valve remote control switch (116) execution switching on and shutting down action then.

7. a kind of dispatching method that comprises the combined power and cooling system of wind-powered electricity generation and gas Combined Cycle Unit according to claim 1 is characterized in that: may further comprise the steps:

1) measure following data: every interval delta T period measurement once, wherein, Δ T is the sampling period, sampling number is T, T is a natural number

1.1) measure supply side: the first remote centralized controller (1121) is gathered the generated output P of the gas Combined Cycle Unit of gas Combined Cycle Unit (A) _Comb(t) and the heat H that exerts oneself _Comb(t), the heat treatment H of heating boiler _Boil(t), the 3rd remote centralized controller is gathered the generated output of wind power generating set

1.2) user side: the second remote centralized controller (1122) is gathered following data:

(a) N user's refrigeration fan coil pipe apart from the pipeline of gas Combined Cycle Unit (A) apart from S _i

(b) the consumption cold H of N user's refrigeration fan coil pipe _i(t);

(c) N user's air-conditioner installed capacity

2) calculate:

2.1) to calculate total generated output

M of wind power generating set be the unit quantity of wind power generating set;

2.2) according to 2.1) and in the total generated output of wind power generating set that calculates Utilize statistical analysis technique to calculate and dope following a period of time wind power generating set generated output P _Wind(t); According to 1.1) heat of the gas Combined circulation of the gas Combined Cycle Unit (A) of the gathering H that exerts oneself _Comb(t), the heat of the gas Combined circulation of the gas Combined Cycle Unit (A) of following a period of time of the prediction H that exerts oneself _Comb(t); According to 1.1) the generated output P of the gas Combined circulation of the gas Combined Cycle Unit (A) of gathering _Comb(t), the generated output P of the gas Combined circulation of the gas Combined Cycle Unit (A) of following a period of time of prediction _Comb(t); According to the heat of the heating boiler of following a period of time gas Combined Cycle Unit (A) H that exerts oneself _Boil, the heat of the following a period of time heating boiler of the prediction H that exerts oneself _Boil

2.3) according between refrigeration fan coil pipe (110) and the gas Combined Cycle Unit (A) apart from S _iAll users are divided into the L group, and L is a natural number, obtains total cooling load H of all users in each group then respectively _Load(l)=∑ H _i(t is l) with the air-conditioner capacity

H _i(t is that l organizes the refrigeration fan coil pipe at t cooling load constantly l),

Be the air-conditioner capacity of l group refrigeration fan coil pipe, wherein user packet method is: at first calculate the equivalent distances between refrigeration fan coil pipe (110) and the gas Combined Cycle Unit (A)

V be cold water at ducted flow velocity, right then

Round and obtain s _i, then, will have identical s _iThe user be divided into same group, wherein, s _i=l, l are the l group during L divides into groups;

2.4 calculate the generated output p of the gas Combined circulation of regulating the back gas Combined Cycle Unit according to above-mentioned measurement and each parameter iteration of doping _Comb(t) and the heat h that exerts oneself _Comb(t), the heat of the heating boiler of the gas Combined Cycle Unit h that exerts oneself _Boil, the different air-conditioner power consumption constantly of user p _EHP(t is l) with cooling amount h _EHP(t, l).

8. a kind of dispatching method that comprises the combined power and cooling system of wind-powered electricity generation and gas Combined Cycle Unit according to claim 7 is characterized in that: the generated output p that regulates back combustion gas combined cycle _Comb(t) and the heat h that exerts oneself _Comb(t), the heat of the heating boiler of the gas Combined Cycle Unit h that exerts oneself _Boil, the different air-conditioner power consumption constantly of user p _EHP(t is l) with cooling amount h _EHP(t, computational methods l) are: unite following formula (1)～(9) and can learn under the situation of Δ p minimum, the generated output p of combustion gas combined cycle after regulating _Comb(t) and the heat h that exerts oneself _Comb(t), the heat of the heating boiler of the gas Combined Cycle Unit h that exerts oneself _Boil, the different air-conditioner power consumption constantly of user p _EHP(t is l) with cooling heat h _EHP(t, l):

(A) establish object function

$\mathrm{\Δp}=\sqrt{\underset{t=0}{\overset{T}{\mathrm{\Σ}}}{(p_{\mathrm{wind}}\left(t\right)-P_{\mathrm{wind}}^{\mathrm{need}})}^2/(T+1)}---\left(1\right)$

Wherein, Δ p is the equivalent generated output of wind power generating set after regulating and the standard error of target generated output, the MW of unit;

p _Wind(t) for regulating the equivalent generated output of back wind power generating set, the MW of unit;

is the target generated output, the MW of unit;

p _Wind(t) expression formula is following:

p _wind(t)＝P _wind(t)+(p _comb(t)-P _comb(t))-p _EHPs(t) (2)

Wherein, p _Wind(t) for regulating the equivalent generated output of back wind power generating set, the MW of unit;

P _Wind(t) be step 2.2) in the generated output of wind power generating set of prediction, the MW of unit;

p _Comb(t) for regulating the generated output of back gas Combined Cycle Unit A, the MW of unit;

P _Comb(t) be step 2.2) in the generated output of gas Combined Cycle Unit A of prediction, the MW of unit;

p _EHPsThe power consumption of all user's air-conditioners when (t) being t, the MW of unit;

(B) establish constraint equation

The thermic load equilibrium equation:

Δh(t)＝|(H _comb(t)+H _boil(t))-(h _comb(t)+h _boil(t))| (3)

$\mathrm{\Δh}\left(t\right)=\underset{l=0}{\overset{L}{\mathrm{\Σ}}}{h}_{\mathrm{EHP}}(t+l,l)(T\≤t+l\≤2T)---\left(4\right)$

Wherein, the not enough power of Δ h (t) expression t period gas Combined Cycle Unit hot water heating, the MW of unit;

H _Comb(t)+H _Boil(t) exert oneself the MW of unit for the gas Combined Cycle Unit heating heat of prediction;

h _Comb(t)+h _Boil(t) exert oneself the MW of unit for regulating back gas Combined Cycle Unit heating heat;

h _EHP(t+l l) is the t+l refrigeration work consumption sum of l group user air-conditioner constantly, the MW of unit;

The gas Combined Cycle Unit constraint:

$h_{\mathrm{comb}}\left(t\right)=f_{\mathrm{comb}}\left(t\right)\·{\mathrm{\η}}_{\mathrm{comb}}^q---\left(5\right)$

$p_{\mathrm{comb}}\left(t\right)=f_{\mathrm{comb}}\left(t\right)\·{\mathrm{\η}}_{\mathrm{comb}}^e---\left(6\right)$

In above-mentioned formula (5)～(6), h _Comb(t) exert oneself the MW of unit for the heat of regulating back combustion gas combined cycle; f _Comb(t) the power energy consumption that circulates for gas Combined; p _Comb(t) exert oneself the MW of unit for the electricity of regulating back combustion gas combined cycle;

The combined cycle thermal efficiency for the gas Combined circulation;

Combined cycle generation efficient for the gas Combined circulation;

The constraint of user side air-conditioner:

Cold electricity is than constraint: h _EHP(t, l)=COP _EHPP _EHP(t, l) (7)

The air-conditioner upper limit: the 0≤p that exerts oneself _EHP(t, l)≤min (P _EHP(l), H _Load(l)/COP _EHP) (8)

Wherein, h _EHP(t l) is the t refrigeration work consumption sum of l group user air-conditioner constantly, the MW of unit;

COP _EHPBe the household air-conditioner coefficient;

p _EHP(t l) is the t power consumption sum of l group user air-conditioner constantly, the MW of unit;

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

$p_{\mathrm{EHPs}}\left(t\right)=\underset{l=0}{\overset{L}{\mathrm{\Σ}}}{p}_{\mathrm{EHP}}(t,l)---\left(9\right).$

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