CN102510099B - Heat and electricity joint scheduling system with gas combined cycle unit and scheduling method thereof - Google Patents

Abstract

The invention discloses a heat and electricity joint scheduling system with a gas combined cycle unit and a scheduling method thereof. The system comprises a gas combined cycle unit, an air conditioner heat pump, an electric energy meter, a radiator, a heat consumption meter, a second remote centralized controller used for collecting the electric energy consumption data detected by the electric energy meter and the heating heat consumption data detected by the heat consumption meter, and a scheduling control device which controls the operations of the gas combined cycle unit, the air conditioner heat pump and the radiator through a first remote centralized controller, the second remote centralized controller and a third remote centralized controller. By acquiring the pipeline distance between the user and the heat source, the error between the load value actually needed and the predicted electric load value is greatly reduced, which is good for the running and programming of the system and good for reducing the scheduling difficulty.

Description

The combined heat and power dispatching patcher and the method that comprise gas Combined Cycle Unit

Technical field

The present invention relates to city integrated energy supply system, relate in particular to a kind of combined heat and power dispatching patcher and scheduling method thereof that comprises gas Combined Cycle Unit.

Background technology

Load forecast is the important component part of power system planning, is also the basis of Economical Operation of Power Systems, and it is all of crucial importance to power system planning and operation.

Load forecast comprises the implication of two aspects, in order to refer to be arranged on the various power consumption equipments at the user places such as government offices, enterprise, resident, and also can be in order to describe the numerical value of the quantity of electricity that above-mentioned power consumption equipment consumes.

Load forecast is to take a series of prediction work that electric load carries out as object.From forecasting object, load forecast comprises to the prediction of following power demand (power) with to the prediction of following power consumption (energy) and the prediction to load curve.Its groundwork is to distribute and spatial distribution the time of predict future electric load, for power system planning and operation provide reliable decision-making foundation.

But there is certain error in the load value of Electric Load Forecasting measured value and system actual needs, reduce this error and be conducive to system operation and planning, reduce scheduling difficulty.

Summary of the invention

Technical problem to be solved by this invention is a kind of combined heat and power dispatching patcher and method that comprises gas Combined Cycle Unit, by dispatching patcher of the present invention and dispatching method thereof, can greatly reduce the load value of system actual needs and the error between Electric Load Forecasting measured value, to be conducive to system operation and planning, reduce scheduling difficulty.

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

A combined heat and power dispatching patcher for gas Combined Cycle Unit, comprising: gas Combined Cycle Unit, comprises for the heating boiler of output heating hot water and for the gas Combined circulation of output electric power and heating hot water; The air conditioner heat pump in parallel with described gas Combined Cycle Unit, the electric energy that described air conditioner heat pump is produced by described gas Combined Cycle Unit drives and generation heating heat energy; Control the air conditioner heat pump remote control switch of air conditioner heat pump; Gather the ammeter of the non-heating electricity consumption of user; The hot-water type heating radiator being connected with described gas Combined Cycle Unit, the hot water that described gas Combined Cycle Unit is produced flows in described hot-water type heating radiator and produces heating heat energy; Hot-water type heating radiator hot water consumes gauge table, the data that consume for detection of described hot-water type heating radiator hot water; Control the hot-water type heating radiator flowing water valve remote control switch of hot-water type heating radiator; The first long-distance centralized control device, the heating that gathers 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 integrated dispatch control device; The second long-distance centralized control device, be stored with the range information between hot-water type heating radiator and gas Combined Cycle Unit, gather the non-heating power consumption data that the ammeter of the non-heating electricity consumption of described user detects, gather hot-water type heating radiator hot water and consume the hot water consumption data that gauge table detects, then send range data between above-mentioned non-heating power consumption data and hot water consumption data and hot-water type heating radiator and gas Combined Cycle Unit to integrated dispatch control device; Integrated dispatch control device, calculates and generates the generated output of final scheduling controlling gas Combined Cycle Unit and heat is exerted oneself and the user's power consumption of air conditioner heat pump and control signal of heating load in the same time not according to distance between hot-water type heating radiator and gas Combined Cycle Unit; Described the first long-distance centralized control device receives after the scheduling control signal that integrated dispatch control device sends, and controls the control final controlling element action of gas Combined Cycle Unit with this scheduling control signal; Described the second long-distance centralized control device receives after the scheduling control signal that integrated dispatch control device sends, and with this scheduling control signal, drives respectively air conditioner heat pump remote control switch, hot-water type heating radiator flowing water valve remote control switch to carry out switching on and shutting down action.

Described hot-water type heating radiator flowing water valve remote control switch, is coupled with remote control mode and described integrated dispatch control device by the second long-distance centralized control device; Described air conditioner heat pump remote control switch, is coupled with remote control mode and described integrated dispatch control device by the second long-distance centralized control device; The control final controlling element of described gas Combined Cycle Unit, is coupled with remote control mode and described integrated dispatch control device by the first long-distance centralized control device; Described gas Combined Cycle Unit is controlled final controlling element according to the scheduling control signal obtaining, and controls connected coal-fired material inlet valve, Boiler Steam admission valve, heating steam draw gas valve and generating steam flow valve event;

Described integrated dispatch control device comprises: the heating that receives the gas Combined Cycle Unit that the first long-distance centralized control device sends the first data receiver unit of hot water flow and generated output electric weight of exerting oneself; Receive the second data receiver unit of power consumption data, heating hot water consumption data and user pipe range information that the non-heating ammeter of user that the second long-distance centralized control device sends detects; The data decoder of the decoding data that the first and second data receiver unit are received; The data storage that decoded data are stored; The data of storing in data storage are calculated and are generated the scheduling control signal computing unit of scheduling control signal; The signal conversion coding device that described scheduling control signal is encoded; And the scheduling control signal after coding is passed to respectively to the transmitting element of the first long-distance centralized control device and the second long-distance centralized control device;

Described gas Combined Cycle Unit is controlled final controlling element and is comprised scheduling control signal transmitting-receiving code storage unit, drive circuit and mechanical gear control device, the generating gas Combined Cycle Unit scheduling controlling instruction after scheduling control signal transmitting-receiving code storage unit decodes of described scheduling control signal, this control command drags signal Crush trigger gear control device through overdrive circuit output power, and the coal-fired material inlet valve that mechanical gear control device is controlled gas Combined Cycle Unit again moves, heating steam draws gas valve event and generating steam flow valve event;

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

Described the second long-distance centralized control device comprises air-conditioning ammeter pulse counter, heating hot water flow pulse counter, pulse-code transducer, the metering signal amplifying emission device connecting successively, and interconnective control signal received code device and control signal remote control transmitter; Air-conditioning ammeter pulse counter is connected with the non-heating ammeter of user, and the power consumption data that air-conditioning ammeter pulse counter obtains detection are sent to integrated dispatch control device after pulse-code transducer and the processing of metering signal amplifying emission device; Heating hot water flow pulse counter connects hot-water type heating radiator hot water and consumes gauge table, for detection of hot-water type heating radiator hot water, consume the heating data on flows of gauge table, the heating data on flows that heating hot water flow pulse counter obtains detection is sent to integrated dispatch control device after pulse-code transducer and the processing of metering signal amplifying emission device; Control signal received code device, the scheduling control information that reception integrated dispatch control device sends is also decoded, and then by control signal remote control transmitter, sends to air conditioner heat pump remote control switch, hot-water type heating radiator flowing water valve remote control switch to carry out switching on and shutting down and move control signal;

The thermal inertia time data that described the second long-distance centralized control device is also inputted for gathering user, and send these data to integrated dispatch control device;

A dispatching method for the combined heat and power dispatching patcher of gas Combined Cycle Unit, comprises the following steps:

1) measure following data: at interval of Δ T period measurement once, wherein, Δ T is the sampling period, and sampling number is T, and T is natural number:

1.1) measure supply side: the electricity that the first long-distance centralized control device gathers gas Combined circulation in the gas Combined Cycle Unit P that exerts oneself _comband the heat H that exerts oneself (t) _comb, and the heat of the heating boiler H that exerts oneself (t) _boil(t);

1.2) user's side:

(a) N user's hot-water type heating radiator apart from the pipeline of gas Combined Cycle Unit apart from S _i;

(b) N user's non-heating power consumption P _i(t);

(c) the heat consumption H of N user's hot-water type heating radiator _i(t);

(d) N user's air conditioner heat pump installed capacity P _i ^eHP;

(e) the thermal inertia time T of N user's input _i;

2) calculate:

2.1) calculate the total non-heating power consumption of all users

2.2) according to 2.1) in the total non-heating power consumption P of user that calculates _sum(t) utilize statistical analysis technique to calculate the electric load P that dopes a period of time _load(t); According to 1.1) electricity of the gas Combined circulation that the gathers P that exerts oneself _comb(t), the electricity of the gas Combined of the predict future a period of time circulation P that exerts oneself _comb(t); According to 1.1) heat of the gas Combined circulation that the gathers H that exerts oneself _comb(t), the heat of the gas Combined of the predict future a period of time circulation H that exerts oneself _comb(t); According to 1.1) heat of the heating boiler that the gathers H that exerts oneself _boil(t), the heat of the heating boiler of the predict future a period of time H that exerts oneself _boil(t);

2.3) according to distance S between hot-water type heating radiator and gas Combined Cycle Unit _iall users are divided into L group, and L is natural number, then obtains respectively the total heating load of all users in each group

with air conditioner heat pump capacity

h _i(t, l) is that l group hot-water type heating radiator is at t heating load constantly, P _i ^eHP(l) be the heat pump capacity of l group hot-water type heating radiator, wherein user packet method is: first calculate the equivalent distances between hot-water type heating radiator and gas Combined Cycle Unit

v be hot water at ducted flow velocity, then right

round and obtain s _i, then, will there is identical s _iuser be divided into same group, wherein, s _i=l, l is the l group in L grouping;

2.4) according to 2.2 predictions with 2.3) each parameter iteration of measuring calculate and regulate after the electricity of the gas Combined circulation p that exerts oneself in gas Combined Cycle Unit _comband the heat h that exerts oneself (t) _comb(t), the heat of the heating boiler h that exerts oneself _boil(t), user air conditioner heat pump power consumption p in the same time not _eHP(t, l) and heating load h _eHP(t, l).

The electricity of the gas Combined circulation p that exerts oneself in gas Combined Cycle Unit after described adjusting _comband the heat h that exerts oneself (t) _comb(t), the heat of the heating boiler h that exerts oneself _boil(t), user its heat pump power consumption of air-conditioning p in the same time not _eHP(t, l) and heating load h _eHPthe computational methods of (t, l) are: combine following formula (1)～(9) and can learn the in the situation that of Δ p minimum, the electricity of the gas Combined circulation p that exerts oneself in gas Combined Cycle Unit after regulating _comband the heat h that exerts oneself (t) _comb(t), the heat of the heating boiler h that exerts oneself _boiland user air conditioner heat pump power consumption p in the same time not (t) _eHP(t, l) and heating load h _eHP(t, l):

(A) establish target function

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

Wherein, Δ p is the standard deviation of equivalent power load after regulating and target load;

P _load(t) be equivalent power load after regulating, the MW of unit;

P _need(t) be target load, the MW of unit;

Equivalent load after electric load is followed the tracks of is defined as follows:

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

Wherein, p _load(t) be equivalent power load after regulating, the MW of unit;

P _load(t) be step 2.2) the middle electric load of predicting, the MW of unit;

P _comb(t) for regulating the generated output of rear combustion gas combined cycle, the MW of unit;

P _comb(t) generated output circulating for the gas Combined of predicting, the MW of unit;

P _eHPs(t) power consumption of all user's air conditioner heat pumps while being t, the MW of unit;

(B) establish constraint equation

Heat load balance 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, Δ h (t) represents the power of t period gas Combined Cycle Unit hot water heating deficiency, the MW of unit;

H _comb(t)+H _boil(t) for the gas Combined Cycle Unit heating heat of prediction is exerted oneself, the MW of unit;

H _comb(t)+h _boil(t) for gas Combined Cycle Unit heating heat after regulating is exerted oneself, the MW of unit;

H _eHP(t+l, l) is the t+l heating power sum of l group user air conditioner heat pump constantly, the MW of unit;

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) for the heat of combustion gas combined cycle after regulating is exerted oneself, the MW of unit; f _comb(t) the power energy consumption circulating for gas Combined; p _comb(t) for the electricity of combustion gas combined cycle after regulating is exerted oneself, the MW of unit;

the combined cycle heat efficiency for gas Combined circulation; combined cycle generation efficiency for gas Combined circulation;

The constraint of user's side air conditioner heat pump:

Thermoelectricity is than constraint: h _eHP(t, l)=COP _eHPp _eHP(t, l) (7)

The heat pump 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 heating power sum of l group user air conditioner heat pump constantly, the MW of unit;

COP _eHPfor air conditioner performance coefficient of heat pump;

P _eHP(t, l) is the t power consumption sum of l group user air conditioner heat pump constantly, the MW of unit;

The air conditioner heat pump 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 user to the pipeline distance of thermal source, according to generated output and the heating of the demand regulating gas combined cycle of terminal use's load energy consumption exert oneself, terminal use's the electric power consumption of air-conditioning heat pump heating and the heating amount of terminal use's radiator, thereby greatly reduce the load value of system actual needs and the error between Electric Load Forecasting measured value, to be conducive to system operation and planning, reduce scheduling difficulty.

Accompanying drawing explanation

Fig. 1 is the structured flowchart of combined heat and power dispatching patcher of the present invention;

Fig. 2 is the structured flowchart of the present invention's the second long-distance centralized control device;

Fig. 3 is the structured flowchart that gas Combined Cycle Unit of the present invention is controlled final controlling element;

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 chart of equivalent power load and target load after dispatching patcher of the present invention and dispatching method regulate.

Embodiment

Below in conjunction with accompanying drawing explanation the specific embodiment of the present invention.

Please refer to shown in Fig. 1, a kind of combined heat and power dispatching patcher of the present invention comprises:

Gas Combined Cycle Unit A, comprises for the heating boiler of output heating hot water and for the gas Combined circulation of output electric power and heating hot water;

By the power cable 113 air conditioner heat pump 108 in parallel with described gas Combined Cycle Unit A, the electric energy that described air conditioner heat pump 108 is produced by described gas Combined Cycle Unit A drives and generation heating heat energy;

The non-heating ammeter of user, for detection of user's non-heating power consumption data;

Control the air conditioner heat pump remote control switch 117 of air conditioner heat pump 108;

The hot-water type heating radiator 110 being connected with described gas Combined Cycle Unit A by heat supply pipeline 114, the hot water that described gas Combined Cycle Unit A produces flows in described hot-water type heating radiator 110 and produces heating heat energy;

Hot-water type heating radiator hot water consumes gauge table 111, the data that consume for detection of described hot-water type heating radiator 110 hot water;

Control the hot-water type heating radiator flowing water valve remote control switch 116 of hot-water type heating radiator 110;

The first long-distance centralized control device 1121, the heating that gathers gas Combined Cycle Unit A exert oneself hot water flow and generated output electric weight, and by the heating of the gas Combined Cycle Unit A of the collection hot water flow of exerting oneself, generated output electric weight, sends integrated dispatch control device 115 to;

The second long-distance centralized control device 1122, store the range information between hot-water type heating radiator and gas Combined Cycle Unit A, gather the non-heating power consumption of user data, then send the range information between this user non-heating power consumption data and hot-water type heating radiator and gas Combined Cycle Unit A to integrated dispatch control device 115; Gather hot-water type heating radiator hot water and consume the hot water consumption data that gauge table 111 detects, then the hot water consumption data that the hot-water type heating radiator hot water consumption gauge table 111 of this collection is detected sends integrated dispatch control device 115 to;

Integrated dispatch control device 115, according to distance between hot-water type heating radiator 110 and gas Combined Cycle Unit A, calculate and generate the generated output of final scheduling controlling gas Combined Cycle Unit A and heat is exerted oneself and the user's power consumption of air-conditioning heat pump and control signal of heating load in the same time not;

The first long-distance centralized control device receives after the scheduling control signal that integrated dispatch control device 115 sends, and controls the control final controlling element action of gas Combined Cycle Unit A with this scheduling control signal;

The second long-distance centralized control device receives after the scheduling control signal that integrated dispatch control device 115 sends, and with this scheduling control signal, drives respectively air conditioner heat pump remote control switch 117, hot-water type heating radiator flowing water valve remote control switch 116 to carry out switching on and shutting down action;

Gas Combined Cycle Unit A, for output electric power and heating hot water.This gas Combined Cycle Unit A comprises heating boiler and gas Combined circulation, heating boiler output heating heat energy wherein, gas Combined circulation output heating heat energy and electric energy, the electric energy wherein sending flows to air conditioner heat pump 108 and other electrical equipment (such as electric consumption on lighting device, supply socket and household electrical appliance etc.) of terminal use by transmission line 113.The air conditioner heat pump 108 of end user location can be and uses the terminal use of air conditioner heat pump 108 that heating is provided under the driving of electric energy.The heating that heating boiler and gas Combined circulation are produced provides heating with the radiator 110 that hot water sends terminal use to by heat supply pipeline 114.The valve that gas Combined Cycle Unit A is provided with input quantity of steam 1., heating exert oneself the amount of drawing gas valve 2. and generating quantity of steam valve 3..

The air conditioner heat pump 108 of described end user location is in parallel with gas Combined Cycle Unit A by transmission line 113, the electric energy driving air conditioner heat pump 108 generation heating heat energy that produced by described gas Combined Cycle Unit A, and then provide heating for air conditioner user.5. described air conditioner heat pump 108 also comprises air conditioner heat pump switch.

Please refer to Fig. 1, described air conditioner heat pump remote control switch 117 connects air conditioner heat pump 108, for controlling the switch of air conditioner heat pump 108.Described radiator 110 is connected with described gas Combined Cycle Unit A by heat supply pipeline 114, and is flowed in described radiator 110 and produced heating heat energy by the hot water of described gas Combined Cycle Unit A output.Described hot water consumes gauge table 111 and is coupled with described radiator 110, for detection of the heating heat dissipation data of described radiator 110.6. described radiator 110 is provided with controlled valve.The non-heating power consumption data that the second long-distance centralized control device 112 gathers user send user's non-heating power consumption data to integrated dispatch control device 115 again; Gather hot-water type heating radiator hot water and consume the hot water consumption data that gauge table 111 detects, and then send this hot water consumption data to integrated dispatch control device 115.

Please refer to shown in Fig. 2, the second long-distance centralized control device 1122 comprises the non-heating ammeter of user pulse counter, heating hot water flow pulse counter, pulse-code transducer, the metering signal amplifying emission device connecting successively, and interconnective control signal Rcv decoder and control signal remote control transmitter; The non-heating ammeter of user pulse counter is for detection of the power consumption data of the non-heating of user, and the non-heating ammeter of user pulse counter detects the power consumption data that obtain and be sent to integrated dispatch control device 115 after pulse-code transducer and the processing of metering signal amplifying emission device; Heating hot water flow pulse counter connects hot-water type heating radiator hot water and consumes gauge table 111, for detection of hot-water type heating radiator hot water, consume the heating data on flows of gauge table 111 and the range information between hot-water type heating radiator and gas Combined Cycle Unit A, heating hot water flow pulse counter detects the heating data on flows and the range information that obtain and be sent to integrated dispatch control device 115 after pulse-code transducer and the processing of metering signal amplifying emission device; Control signal Rcv decoder, the scheduling control information that reception integrated dispatch control device 115 sends is also decoded, and then by control signal remote control transmitter, sends to air conditioner heat pump remote control switch 117, hot-water type heating radiator flowing water valve remote control switch 116 to carry out switching on and shutting down and move control signal.

The first long-distance centralized control device 1121, the heating that gathers gas Combined Cycle Unit A exert oneself hot water flow and generated output electric weight, and by the heating of the gas Combined Cycle Unit A of the collection hot water flow of exerting oneself, generated output electric weight, sends integrated dispatch control device 115 to.

Please refer to shown in Fig. 3, gas Combined Cycle Unit is controlled final controlling element and is comprised scheduling control signal transmitting-receiving coded stack 302, drive circuit 303 and mechanical gear control device 304, the generating gas Combined Cycle Unit scheduling controlling instruction after 302 decodings of scheduling control signal transmitting-receiving coded stack of described scheduling control signal, Electric Traction signal Crush trigger gear control device 304 through overdrive circuit 303 outputs, 1. the input quantity of steam valve that mechanical gear control device 304 is controlled gas Combined Cycle Unit A again moves, 3. the heating amount of the drawing gas valve quantity of steam valve that 2. moves and generate electricity of exerting oneself moves.Thereby control fuel input, heating purposes extraction flow and the power generation application steam flow of gas Combined Cycle Unit A.

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

The heating that receives the gas Combined Cycle Unit A that the first long-distance centralized control device sends the first data receiver unit 200 of hot water flow and generated output electric weight of exerting oneself;

Receive the second data receiver unit 201 of power consumption data, heating hot water consumption data and user pipe range information that the non-heating ammeter of user that the second long-distance centralized control device sends detects;

The data decoder 202 of the decoding data that the first and second data receiver unit 201 are received;

The data storage that described decoded data are stored;

The data of storing in data storage are calculated and are generated the scheduling control signal computing unit 204 of scheduling control signal;

The signal conversion coding device 205 that described scheduling control signal is encoded; And

Scheduling control signal after coding is passed to respectively to the transmitting element 206 of the first long-distance centralized control device and the second long-distance centralized control device.

Please refer to Fig. 5, integrated dispatch control device 115 is connected with cloud computing service system 917 by power optical fiber 120, and drives cloud computing service system 917 to calculate, to obtain scheduling control signal; Integrated dispatch control device 115 receives cloud computing service system 917 by power optical fiber 120 and calculates the scheduling control signal obtaining, and then via power cable or wireless transmission method, issues this scheduling control signal to the first long-distance centralized control device 1121, the second long-distance centralized control device 1122.

The dispatching method of combined heat and power dispatching patcher of the present invention comprises the following steps:

1) measure---at interval of Δ T period measurement once, wherein, Δ T is the sampling period, and sampling number is T, and T is natural number

(1.1) measure supply side:

The electricity that gathers gas Combined circulation in the gas Combined Cycle Unit A P that exerts oneself _comband the heat H that exerts oneself (t) _comb, and the heat of the heating boiler H that exerts oneself (t) _boil(t);

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

1.2.1) N user's hot-water type heating radiator apart from the pipeline of gas Combined Cycle Unit A apart from S _i;

1.2.2) N user's non-heating power consumption P _i(t);

1.2.3) the heat consumption H of N user's hot-water type heating radiator _i(t);

1.2.4) N user's air-conditioning heat pump installed capacity P _i ^eHP;

1.2.5) the thermal inertia time T of N user's input _i

2) calculate:

2.1) calculate the total non-heating power consumption of all users

2.2) according to 2.1) in the total non-heating power consumption P of user that calculates _sum(t), utilize known SPSS (Statistical Product and Service Solutions) statistical analysis technique, dope the electric load P of following a period of time _load(t); According to 1.1) electricity of the gas Combined circulation that the gathers P that exerts oneself _comb(t), the electricity of the gas Combined of the predict future a period of time circulation P that exerts oneself _comb(t); According to 1.1) heat of the gas Combined circulation that the gathers H that exerts oneself _comb(t), the heat of the gas Combined of the predict future a period of time circulation H that exerts oneself _comb(t); According to 1.1) heat of the heating boiler that the gathers H that exerts oneself _boil(t), the heat of the heating boiler of the predict future a period of time H that exerts oneself _boil(t);

2.3) user grouping: calculate each user to the equivalent distances of thermal source

and do rounding operation and obtain by identical user be divided into same group, s _i=l, (L is natural number to add up to L group; V is that hot water is at ducted flow velocity);

2.4) to 2.3) in L the group of getting, obtain respectively the total heating load H that respectively organizes all users _loadand heat pump capacity P (l) _eHP(l)

h _i(t, l) is that l group user i is in t heating load constantly

p _i ^eHP(l) be the heat pump capacity of l group user i

3) control and calculate

By 1) in calculate and each parameter substitution of prediction is controlled in calculating below:

(3.1) target function

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

Wherein, Δ p is the standard deviation of equivalent power load after regulating and target load, the MW of unit;

P _load(t) be equivalent power load after regulating, the MW of unit;

P _need(t) be target load, the MW of unit.

Equivalent load after electric load is followed the tracks of is defined as follows:

P _load(t)=P _load(t)-(p _comb(t)-P _comb(t))+p _eHPs(t) formula (2)

Wherein, p _load(t) be equivalent power load after regulating, the MW of unit;

P _load(t) be step 2.2) the middle electric load of predicting, the MW of unit;

P _comb(t) for regulating the generated output of rear combustion gas combined cycle, the MW of unit;

P _comb(t) generated output circulating for the gas Combined of predicting, the MW of unit;

P _eHPs(t) power consumption of all user's heat pumps while being t, the MW of unit.

(3.2) constraint equation

3.2.1 heat load balance equation

The deficiency that air-conditioning heat pump electricity consumption heating replaces gas Combined Cycle Unit hot water heating to exert oneself is the core of method, if Δ h (t) represents the power of t period gas Combined Cycle Unit hot water heating deficiency,, its expression formula is:

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

Wherein, Δ h (t) represents the power of t period gas Combined Cycle Unit hot water heating deficiency, the MW of unit

H _comb(t)+H _boil(t) for the gas Combined Cycle Unit heating heat of prediction is exerted oneself, the MW of unit;

H _comb(t)+h _boil(t) for gas Combined Cycle Unit heating heat after regulating is exerted oneself, the MW of unit.

T period gas Combined Cycle Unit hot water supply deficiency is organized and is used heat pump power consumption heating to obtain by each user, and due to the time delay of hot water transmission, hot hydropenic impact also exists time delay, and this time delay is along with user organizes the variation of distance and changes.For example, according to above all users being divided into approximate 0,1, .., L user's group, for the 1st user's group, hot water flows to its time Wei Yige unit's scheduling duration, so hot water deficiency also will have influence on the 1st user's group in the t+1 period, in like manner, hot 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 is the air-conditioning heat pump by 0～L user group, respectively t～(t+l) period compensates by electricity consumption.Concrete formula is:

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

Wherein, h _eHP(t+l, l) is the t+l heating power sum of l group user heat pump constantly, the MW of unit.

If h in formula _eHP(t, l) can get 0, and on the one hand, some period, not all user's group all participated in compensation; On the other hand, if surpassed the total activation time of regulation, hot water supply deficiency does not have influence on the user's group in far-end yet, and these user's groups also will not participate 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) for the heat of combustion gas combined cycle after regulating is exerted oneself, the MW of unit; f _comb(t) the power energy consumption circulating for gas Combined; p _comb(t) for the electricity of combustion gas combined cycle after regulating is exerted oneself, the MW of unit;

the combined cycle heat efficiency for gas Combined circulation; combined cycle generation efficiency for gas Combined circulation.At method general introduction one joint, mention in order to guarantee that gas Combined Cycle Unit still can meet the demand of original region electric load simultaneously, can limit in addition gas Combined Cycle Unit generated output and be greater than generated output in the original plan:

P _comb(t)>=P _comb; Formula (7)

3.2.3 user's side heat pump constraint

Thermoelectricity is than constraint

H _eHP(t, l)=COP _eHPp _eHP(t, l) formula (8)

The heat pump 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 heating power sum of l group user heat pump constantly, the MW of unit;

COP _eHPfor performance coefficient of heat pump;

P _eHP(t, l) is the t power consumption sum of l group user heat pump constantly, the MW of unit.

Last air-conditioning heat pump power consumption heat supply both can compensate the deficiency of hot water heating, and therefore the load of the low-valley interval that also can increase electric power, need to obtain the air-conditioning heat pump 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 and supply with and user-perform an 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 electricity of the gas Combined circulation p that exerts oneself in A gas Combined Cycle Unit _comband the heat h that exerts oneself (t) _comb(t), the heat of the heating boiler h that exerts oneself _boil(t) signal, controls gas Combined Cycle Unit and in future, regulates the action of day part in the time

Party B-subscriber is heat pump power consumption p in the same time not _eHP(t, l) and heating load h _eHP(t, l), controls user's side different distance user and uses heat pump heating amount, and close heat radiation tolerance.

The electricity of the gas Combined circulation p that exerts oneself in described gas Combined Cycle Unit _comband the heat h that exerts oneself (t) _comb(t), the heat of the heating boiler h that exerts oneself _boil(t) signal and user heat pump power consumption p in the same time not _eHP(t, l) and heating load h _eHP(t, l) combines above-mentioned formula (1)～formula (10) and can obtain.

Please refer to shown in Fig. 6, as seen from the figure, after invention dispatching method regulates, user's power load approaches consistent with target load curve substantially.

To reduce the output of hot water, the energy output of regulating gas Combined Cycle Unit finally regulates electric load in the present invention, so, can, on greatly energy-conservation basis, make the power load of prediction consistent with target load.

The foregoing is only one embodiment of the present invention, it not whole or unique execution mode, the conversion of any equivalence that those of ordinary skills take technical solution of the present invention by reading specification of the present invention, is claim of the present invention and contains.

Claims (9)

1. a combined heat and power dispatching patcher that comprises gas Combined Cycle Unit, is characterized in that: comprising:

Gas Combined Cycle Unit (A), comprises for the heating boiler of output heating hot water and for the gas Combined circulation of output electric power and heating hot water;

The air conditioner heat pump (108) in parallel with described gas Combined Cycle Unit (A), the electric energy that described air conditioner heat pump (108) is produced by described gas Combined Cycle Unit (A) drives and generation heating heat energy;

Control the air conditioner heat pump remote control switch (117) of air conditioner heat pump (108);

Gather the ammeter of the non-heating electricity consumption of user;

The hot-water type heating radiator (110) being connected with described gas Combined Cycle Unit (A), the hot water that described gas Combined Cycle Unit (A) is produced flows into generation heating heat energy in described hot-water type heating radiator (110);

Hot-water type heating radiator hot water consumes gauge table (111), the data that consume for detection of described hot-water type heating radiator (110) hot water;

Control the hot-water type heating radiator flowing water valve remote control switch (116) of hot-water type heating radiator (110);

The first long-distance centralized control device (1121), the heating that gathers 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 long-distance centralized control device (1122), be stored with the range information between hot-water type heating radiator (110) and gas Combined Cycle Unit (A), gather the non-heating power consumption data that the ammeter of the non-heating electricity consumption of described user detects, gather hot-water type heating radiator hot water and consume the hot water consumption data that gauge table (111) detects, then send range data between above-mentioned non-heating power consumption data and hot water consumption data and hot-water type heating radiator (110) and gas Combined Cycle Unit (A) to integrated dispatch control device (115);

Integrated dispatch control device (115), calculates and generates the generated output of final scheduling controlling gas Combined Cycle Unit (A) and heat is exerted oneself and the user's power consumption of air conditioner heat pump and control signal of heating load in the same time not according to distance between hot-water type heating radiator (110) and gas Combined Cycle Unit (A);

Described the first long-distance centralized control device (1121) receives after the scheduling control signal that integrated dispatch control device (115) sends, and controls the control final controlling element action of gas Combined Cycle Unit (A) with this scheduling control signal;

Described the second long-distance centralized control device (1122) receives after the scheduling control signal that integrated dispatch control device (115) sends, and with this scheduling control signal, drives respectively air conditioner heat pump remote control switch (117), hot-water type heating radiator flowing water valve remote control switch (116) to carry out switching on and shutting down action.

2. a kind of combined heat and power dispatching patcher that comprises gas Combined Cycle Unit according to claim 1, is characterized in that,

Described hot-water type heating radiator flowing water valve remote control switch (116), is coupled with remote control mode and described integrated dispatch control device (115) by the second long-distance centralized control device (1122);

Described air conditioner heat pump remote control switch (117), is coupled with remote control mode and described integrated dispatch control device (115) by the second long-distance centralized control device (1122);

Described gas Combined Cycle Unit is controlled final controlling element, by the first long-distance centralized control device (1121), with remote control mode and described integrated dispatch control device (115), is coupled;

The control final controlling element (118) of described gas Combined Cycle Unit is according to the scheduling control signal obtaining, and controls connected coal-fired material inlet valve, Boiler Steam admission valve, heating steam draw gas valve and generating steam flow valve event.

3. a kind of combined heat and power dispatching patcher that comprises gas Combined Cycle Unit according to claim 1, is characterized in that, described integrated dispatch control device (115) comprising:

The heating that receives the gas Combined Cycle Unit (A) that the first long-distance centralized control device (1121) sends the first data receiver unit (200) of hot water flow and generated output electric weight of exerting oneself;

Receive the second data receiver unit (201) of power consumption data, heating hot water consumption data and user pipe range information that the non-heating ammeter of user that the second long-distance centralized control device (1122) sends detects;

The data decoder (202) of the decoding data that the first and second data receiver unit (200,201) are received;

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

The data of storing in data storage (203) are calculated and are generated the scheduling control signal computing unit (204) of scheduling control signal;

The signal conversion coding device (205) that described scheduling control signal is encoded; And

Scheduling control signal after coding is passed to respectively to the transmitting element (206) of the first long-distance centralized control device (1121) and the second long-distance centralized control device (1122).

4. a kind of combined heat and power dispatching patcher that comprises gas Combined Cycle Unit according to claim 1, it is characterized in that, described gas Combined Cycle Unit is controlled final controlling element and is comprised scheduling control signal transmitting-receiving code storage unit (302), drive circuit (303) and mechanical gear control device (304), the generating gas Combined Cycle Unit scheduling controlling instruction after scheduling control signal transmitting-receiving code storage unit (302) decoding of described scheduling control signal, this control command drags signal Crush trigger gear control device (304) through overdrive circuit (303) output power, mechanical gear control device (304) is controlled the coal-fired material inlet valve action of gas Combined Cycle Unit (A) again, heating steam draw gas valve event and generating steam flow valve event.

5. a kind of combined heat and power dispatching patcher that comprises gas Combined Cycle Unit according to claim 1, it is characterized in that, described integrated dispatch control device (115) is connected with cloud computing service system (917) by power optical fiber (120), and drive cloud computing service system (917) to calculate, to obtain scheduling control signal; Described integrated dispatch control device (115) receives cloud computing service system (917) by power optical fiber (120) and calculates the scheduling control signal obtaining, and then via power cable or wireless transmission method, issues this scheduling control signal to the first long-distance centralized control device (1121) and the second long-distance centralized control device (1122).

6. a kind of combined heat and power dispatching patcher that comprises gas Combined Cycle Unit according to claim 1, it is characterized in that, described the second long-distance centralized control device (1122) comprises air-conditioning ammeter pulse counter, heating hot water flow pulse counter, pulse-code transducer, the metering signal amplifying emission device connecting successively, and interconnective control signal received code device and control signal remote control transmitter;

Air-conditioning ammeter pulse counter is connected with the non-heating ammeter of user, and the power consumption data that air-conditioning ammeter pulse counter obtains detection are sent to integrated dispatch control device (115) after pulse-code transducer and the processing of metering signal amplifying emission device;

Heating hot water flow pulse counter connects hot-water type heating radiator hot water and consumes gauge table (111), for detection of hot-water type heating radiator hot water, consume the heating data on flows of gauge table (111), the heating data on flows that heating hot water flow pulse counter obtains detection is sent to integrated dispatch control device (115) after pulse-code transducer and the processing of metering signal amplifying emission device;

Control signal received code device, the scheduling control information that reception integrated dispatch control device (115) sends is also decoded, and then by control signal remote control transmitter, sends to air conditioner heat pump remote control switch (117), hot-water type heating radiator flowing water valve remote control switch (116) to carry out switching on and shutting down action control signal.

7. a kind of combined heat and power dispatching patcher that comprises gas Combined Cycle Unit according to claim 1, it is characterized in that, the thermal inertia time data that described the second long-distance centralized control device (1122) is also inputted for gathering user, and send these data to integrated dispatch control device (115).

8. a kind of dispatching method that comprises the combined heat and power dispatching patcher of gas Combined Cycle Unit according to claim 1, is characterized in that: comprise the following steps:

1) measure following data: at interval of Δ T period measurement once, wherein, Δ T is the sampling period, and sampling number is T, and T is natural number:

1.1) measure supply side: the electricity that the first long-distance centralized control device (1121) gathers gas Combined circulation in gas Combined Cycle Unit (A) P that exerts oneself _comband the heat H that exerts oneself (t) _comb, and the heat of the heating boiler H that exerts oneself (t) _boil(t);

1.2) user's side: the second long-distance centralized control device (1122) gathers following data:

(a) N user's hot-water type heating radiator apart from the pipeline of gas Combined Cycle Unit (A) apart from S _i;

(b) N user's non-heating power consumption P _i(t);

(c) the heat consumption H of N user's hot-water type heating radiator _i(t);

(d) N user's air conditioner heat pump installed capacity P _i ^eHP;

(e) the thermal inertia time T of N user's input _i;

2) calculate:

2.1) calculate the total non-heating power consumption of all users

2.2) according to 2.1) in the total non-heating power consumption P of user that calculates _sum(t) utilize statistical analysis technique to calculate the electric load P that dopes a period of time _load(t); According to 1.1) electricity of the gas Combined circulation that the gathers P that exerts oneself _comb(t), the electricity of the gas Combined of the predict future a period of time circulation P that exerts oneself _comb(t); According to 1.1) heat of the gas Combined circulation that the gathers H that exerts oneself _comb(t), the heat of the gas Combined of the predict future a period of time circulation H that exerts oneself _comb(t); According to 1.1) heat of the heating boiler that the gathers H that exerts oneself _boil(t), the heat of the heating boiler of the predict future a period of time H that exerts oneself _boil(t);

2.3) according to distance S between hot-water type heating radiator (110) and gas Combined Cycle Unit (A) _iall users are divided into L group, and L is natural number, then obtains respectively the total heating load of all users in each group with air conditioner heat pump capacity h _i(t, l) is that l group hot-water type heating radiator is at t heating load constantly, P _i ^eHP(l) be the heat pump capacity of l group hot-water type heating radiator, wherein user packet method is: first calculate the equivalent distances between hot-water type heating radiator (110) and gas Combined Cycle Unit (A)

v be hot water at ducted flow velocity, then right

round and obtain s _i, then, will there is identical s _iuser be divided into same group, wherein, s _i=l, l is the l group in L grouping;

2.4) according to 2.2) prediction with 2.3) each parameter iteration of calculating calculate and regulate after the electricity of the gas Combined circulation p that exerts oneself in gas Combined Cycle Unit (A) _comband the heat h that exerts oneself (t) _comb(t), the heat of the heating boiler h that exerts oneself _boil(t), user air conditioner heat pump power consumption p in the same time not _eHP(t, l) and heating load h _eHP(t, l).

9. a kind of dispatching method that comprises the combined heat and power dispatching patcher of gas Combined Cycle Unit according to claim 8, is characterized in that: the electricity of the gas Combined circulation p that exerts oneself in gas Combined Cycle Unit (A) after regulating _comband the heat h that exerts oneself (t) _comb(t), the heat of the heating boiler h that exerts oneself _boil(t), user air conditioner heat pump power consumption p in the same time not _eHP(t, l) and heating load h _eHPthe computational methods of (t, l) are: combine following formula (1)～(9) and can learn the in the situation that of Δ p minimum, the electricity of the gas Combined circulation p that exerts oneself in gas Combined Cycle Unit (A) after regulating _comband the heat h that exerts oneself (t) _comb(t), the heat of the heating boiler h that exerts oneself _boiland user air conditioner heat pump power consumption p in the same time not (t) _eHP(t, l) and heating load h _eHP(t, l):

(A) establish target function

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

Wherein, Δ p is the standard error of equivalent power load after regulating and target load, the MW of unit;

P _load(t) be equivalent power load after regulating, the MW of unit;

P _need(t) be target load, the MW of unit;

Equivalent load after electric load is followed the tracks of is defined as follows:

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

Wherein, p _load(t) be equivalent power load after regulating, the MW of unit;

P _load(t) be step 2.2) the middle electric load of predicting, the MW of unit;

P _comb(t) for regulating the generated output of rear combustion gas combined cycle, the MW of unit;

P _comb(t) generated output circulating for the gas Combined of predicting, the MW of unit;

P _eHPs(t) power consumption of all user's air conditioner heat pumps while being t, the MW of unit;

(B) establish constraint equation

Heat load balance 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, Δ h (t) represents the power of t period gas Combined Cycle Unit (A) hot water heating deficiency, the MW of unit;

H _comb(t)+H _boil(t) for gas Combined Cycle Unit (A) the heating heat of prediction is exerted oneself, the MW of unit;

H _comb(t)+h _boil(t) for gas Combined Cycle Unit (A) heating heat after regulating is exerted oneself, the MW of unit;

H _eHP(t+l, l) is the t+l heating power sum of l group user air conditioner heat pump constantly, the MW of unit;

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) for the heat of combustion gas combined cycle after regulating is exerted oneself, the MW of unit; f _comb(t) the power energy consumption circulating for gas Combined; p _comb(t) for the electricity of combustion gas combined cycle after regulating is exerted oneself, the MW of unit; the combined cycle heat efficiency for gas Combined circulation;

combined cycle generation efficiency for gas Combined circulation;

The constraint of user's side air conditioner heat pump:

Thermoelectricity is than constraint: h _eHP(t, l)=COP _eHPp _eHP(t, l) (7)

The heat pump 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 heating power sum of l group user air conditioner heat pump constantly, the MW of unit;

COP _eHPfor air conditioner performance coefficient of heat pump;

P _eHP(t, l) is the t power consumption sum of l group user air conditioner heat pump constantly, the MW of unit; The air conditioner heat pump 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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