CN102510065B - Cold and electricity joint scheduling system comprising water source heat pump and scheduling method thereof - Google Patents

Abstract

The invention discloses a cold and electricity joint scheduling system comprising a water source heat pump, and a scheduling method thereof. The scheduling system comprises the water source heat pump, a centralized heat absorption refrigerator, an air conditioner, an electric energy meter, a refrigerating fan coil, a cold consumption meter, a second remote centralized controller used for collecting the electric power consumption data detected by the electric energy meter and the refrigerating cold consumption data detected by the cold consumption meter, and a scheduling control device which controls the operations of the water source heat pump, the air conditioner and the refrigerating fan coil through a first remote centralized controller and the second remote centralized controller. By acquiring the pipeline distance between a user and a cold 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

Dispatching patcher and method are closed in the cold Electricity Federation that comprises water resource heat pump

Technical field

The present invention relates to city integrated energy supply system, relate in particular to and a kind ofly comprise that the cold Electricity Federation of water resource heat pump closes dispatching patcher and method.

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 ofly to comprise that the cold Electricity Federation of water resource heat pump closes dispatching patcher and method, 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 dispatching patcher is closed in the cold Electricity Federation of water resource heat pump, comprising: for the water resource heat pump of output hot water; Centralized heat absorption formula refrigeration machine, connects the hot water outlet of water resource heat pump, and hot water is converted into cold water; Air conditioner, produces refrigeration cold wind; Control the air conditioner remote control switch of air conditioner; Gather the ammeter of the non-refrigeration electricity consumption of user; With the refrigeration fan coil pipe that centralized heat absorption formula refrigeration machine is connected, the cold water that described centralized heat absorption formula refrigeration machine is produced flows into generation refrigeration cold wind in described refrigeration fan coil pipe; Refrigeration fan coil pipe cold water consumes gauge table, the data that consume for detection of described refrigeration fan coil pipe cold water; Control the refrigeration fan coil pipe flowing water valve remote control switch of refrigeration fan coil pipe; The first long-distance centralized control device, the power consumption that the gathers water resource heat pump cooling of electric weight and the centralized heat absorption formula refrigeration machine cold water flow of exerting oneself of exerting oneself, and send this cooling cold water flow and power consumption electric quantity data of exerting oneself of exerting oneself to integrated dispatch control device; The second long-distance centralized control device, be stored with the range information between refrigeration fan coil pipe and water resource heat pump, the non-refrigeration power consumption data that the ammeter of the non-refrigeration electricity consumption of collection user detects, gather refrigeration fan coil pipe cold water and consume the cold water consumption data that gauge table detects, then between above-mentioned non-refrigeration power consumption data and cold water consumption data and refrigeration fan coil pipe and water resource heat pump, range data sends integrated dispatch control device to; Integrated dispatch control device, the power consumption of calculating and generate final scheduling controlling water resource heat pump according to distance between refrigeration fan coil pipe and water resource heat pump is exerted oneself and centralized heat absorption formula refrigeration machine cold exerted oneself and user not air conditioner in the same time power consumption and for the control signal of cold; 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 water resource heat pump 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 remote control switch, refrigeration fan coil pipe flowing water valve remote control switch to carry out switching on and shutting down action.

Described refrigeration fan coil pipe 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 remote control switch, is coupled with remote control mode and described integrated dispatch control device by the second long-distance centralized control device; Water resource heat pump is controlled final controlling element, by the first long-distance centralized control device, with remote control mode and described integrated dispatch control device, is coupled;

Described integrated dispatch control device comprises: the power consumption that receives the water resource heat pump that the first long-distance centralized control device sends exert oneself the first data receiver unit of cold water flow of the cooling of electric weight and centralized heat absorption formula refrigeration machine of exerting oneself; Receive non-refrigeration power consumption data that the non-refrigeration ammeter of user that the second long-distance centralized control device sends detects, the second data receiver unit of refrigeration cold water consumption data and user pipe range information; The data decoder that the non-refrigeration power consumption of the described user data that receive and refrigeration cold water consumption data are decoded; 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 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 the non-refrigeration ammeter of user pulse counter, refrigeration cold 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-refrigeration ammeter of user pulse counter is connected with the non-refrigeration ammeter of user, and the power consumption data that the non-refrigeration ammeter of user pulse counter obtains detection are sent to integrated dispatch control device after pulse-code transducer and the processing of metering signal amplifying emission device; Refrigeration cold water flow pulse counter connects refrigeration fan coil pipe cold water and consumes gauge table, for detection of refrigeration fan coil pipe cold water, consume the heating data on flows of gauge table, the refrigeration data on flows that refrigeration cold 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 Rcv decoder, the scheduling control information that reception integrated dispatch control device sends is also decoded, and then by control signal remote control transmitter, sends to air conditioner remote control switch, refrigeration fan coil pipe flowing water valve remote control switch to carry out switching on and shutting down and move control signal;

A dispatching method for dispatching patcher is closed in the cold Electricity Federation of water resource heat pump, 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 power consumption that the gathers water resource heat pump P' that exerts oneself _cHPand the cold H' that exerts oneself of centralized heat absorption formula refrigeration machine (t) _cHP(t);

1.2) user's side:

(a) N user's refrigeration fan coil pipe apart from the pipeline of water resource heat pump apart from S _i;

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

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

(d) N user's air conditioner installed capacity

2) calculate:

2.1) calculate the total non-cooling electric weight of all users

2.2) according to 2.1) in the total 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) the cold H' that exerts oneself of the centralized heat absorption formula refrigeration machine that gathers _cHP(t), the cold H that exerts oneself of the centralized heat absorption formula refrigeration machine of predict future a period of time _cHP(t); According to 1.1) power consumption of the water resource heat pump that the gathers P' that exerts oneself _cHP(t) power consumption of the water resource heat pump of the predict future a period of time P that exerts oneself _cHP(t);

2.3) according to distance S between refrigeration fan coil pipe and water resource heat pump _iall users are divided into L group, and L is natural number, then obtains respectively the total cooling load H of all users in each group _load(l)=∑ H _i(t, l) and air conditioner capacity

be that l organizes refrigeration fan coil pipe at t cooling load constantly,

be the refrigeration capacity of l group refrigeration fan coil pipe, wherein user packet method is: first calculate the equivalent distances between refrigeration fan coil pipe and water resource heat pump

v be cold 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 2.3) each parameter iteration of doping calculate and regulate after the power consumption of the water resource heat pump p that exerts oneself _cHPand the cold h that exerts oneself of centralized heat absorption formula refrigeration machine (t) _cHP(t), user air conditioner power consumption p in the same time not _eHP(t, l) and confession cold h _eHP(t, l).

The power consumption of the water resource heat pump p that exerts oneself after described adjusting _cHPand the cold h that exerts oneself of centralized heat absorption formula refrigeration machine (t) _cHP(t), user air conditioner power consumption p in the same time not _eHP(t, l) and confession cold 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 power consumption of the water resource heat pump p that exerts oneself after regulating _wSHPand the cold h that exerts oneself of centralized heat absorption formula refrigeration machine (t) _cHPand user air conditioner power consumption p in the same time not (t) _eHP(t, l) and confession cold 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 _WSHP(t)-P _WSHP(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 _wSHP(t) for the power consumption of water resource heat pump after regulating is exerted oneself, the MW of unit;

P _wSHP(t) for the power consumption of water resource heat pump of prediction is exerted oneself, the MW of unit;

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

(B) establish constraint equation

Refrigeration duty equilibrium equation:

Δh(t)=|H _CHP(t)-h _CHP(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 centralized heat absorption formula refrigeration machine cold water cooling deficiency, the MW of unit;

H _cHPfor the cooling of centralized heat absorption formula refrigeration machine of prediction is exerted oneself, the MW of unit;

H _cHP(t) for the cooling of centralized heat absorption formula refrigeration machine after regulating is exerted oneself, the MW of unit;

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

Water resource heat pump constraint:

The heating restriction of exerting oneself:

0≤h _WSHP(t)≤H _WSHP （5）

Water resource heat pump thermoelectricity is than retraining:

h _WSHP(t)=COP _WSHP· _pWSHP(t)； （6）

In above-mentioned formula (5)～(6), H _wSHPfor the specified thermal capacity of water resource heat pump, the MW of unit; COP _wSHPfor the water resource heat pump coefficient of performance; h _wSHP(t) for the heat of water resource heat pump t period is exerted oneself, the MW of unit; p _wSHP(t) be the power consumption of water resource heat pump t period, the MW of unit;

The constraint of user's 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 cooling power sum of l group user air conditioner constantly, the MW of unit;

COP _eHPfor 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;

Its power consumption of air-conditioning 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 low-temperature receiver, according to the demand of terminal use's load energy consumption, regulate the power consumption of water resource heat pump to exert oneself and centralized heat absorption formula refrigeration machine must freeze that cooling is exerted oneself, the refrigeration of the electric power consumption of terminal use's air conditioner refrigeration and terminal use's refrigeration fan coil pipe is for cold, 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 of integrated dispatch control device of the present invention;

Fig. 4 is the connection layout of integrated dispatch control device of the present invention and cloud computing service system;

Fig. 5 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:

Water resource heat pump A for output heating hot water;

Centralized heat absorption formula refrigeration machine, connects the hot water outlet of water resource heat pump A, and hot water is converted into cold water, passes into pipeline 114;

Air conditioner 108, produces refrigeration cold wind;

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

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

The refrigeration fan coil pipe 110 being connected with centralized heat absorption formula refrigeration machine by pipeline 114, the cold water that described centralized heat absorption formula refrigeration machine is produced flows into generation refrigeration cold wind in described refrigeration fan coil pipe 110;

Refrigeration fan coil pipe cold water consumes gauge table 111, the data that consume for detection of described refrigeration fan coil pipe 110 cold water;

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

The first long-distance centralized control device 1121, the power consumption that the gathers water resource heat pump A electric weight of exerting oneself, with the cooling of the centralized heat absorption formula refrigeration machine cold water flow of exerting oneself, and by the power consumption of the water resource heat pump A of the collection electric weight of exerting oneself, the cooling of the centralized heat absorption formula refrigeration machine cold water flow of exerting oneself sends integrated dispatch control device 115 to;

The second long-distance centralized control device 1122, store the range information between refrigeration fan coil pipe and water resource heat pump A, gather the non-refrigeration power consumption of user data, then send the range information between this user non-refrigeration power consumption data and refrigeration fan coil pipe and water resource heat pump A to integrated dispatch control device 115; Gather refrigeration fan coil pipe cold water and consume the cold water consumption data that gauge table 111 detects, then the cold water consumption data that the refrigeration fan coil pipe cold 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 refrigeration fan coil pipe 110 and water resource heat pump A, the power consumption of calculating and generate final scheduling controlling water resource heat pump A is exerted oneself and centralized heat absorption formula refrigeration machine cold exerted oneself and user not air conditioner in the same time power consumption and for the control signal of cold;

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 water resource heat pump A with this scheduling control signal;

After the scheduling control signal that the second long-distance centralized control device sends to reception integrated dispatch control device 115, with this scheduling control signal, drive respectively air conditioner remote control switch 117, refrigeration fan coil pipe flowing water valve remote control switch 116 to carry out switching on and shutting down action;

The heating that water resource heat pump is produced is converted to cold water with hot water by centralized heat absorption formula refrigeration machine, and then provides refrigerating air-conditioning by the refrigeration fan coil pipe 110 that pipeline 114 sends terminal use to.

The air conditioner 108 of described end user location produces refrigeration cold wind, for air conditioner user provides refrigerating air-conditioning.5. described air conditioner 108 also comprises air-conditioner switch.

Please refer to Fig. 1, described air conditioner remote control switch 117 connects air conditioner 108, for controlling the switch of air conditioner 108.Described refrigeration fan coil pipe 110 is connected with described centralized heat absorption formula refrigeration machine by pipeline 114, and flows into generation refrigeration cold wind in described refrigeration fan coil pipe 110 by the cold water of described centralized heat absorption formula refrigeration machine output.Described cold water consumes gauge table 111 and is coupled with described refrigeration fan coil pipe 110, for detection of the refrigeration of described refrigeration fan coil pipe 110, consumes cold data.6. described refrigeration fan coil pipe 110 is provided with controlled valve.The non-refrigeration power consumption data that the second long-distance centralized control device 112 gathers user send user's non-refrigeration power consumption data 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, and then send this cold 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-refrigeration ammeter of user pulse counter, refrigeration cold 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-refrigeration ammeter of user pulse counter is for detection of the power consumption data of the non-refrigeration of user, and the non-refrigeration 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; Refrigeration cold water flow pulse counter connects refrigeration fan coil pipe cold water and consumes gauge table 111, for detection of refrigeration fan coil pipe cold water, consume the refrigeration data on flows of gauge table 111 and the range information between refrigeration fan coil pipe and water resource heat pump A, refrigeration cold water flow pulse counter detects the refrigeration 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 remote control switch 117, refrigeration fan coil pipe 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 power consumption that the gathers water resource heat pump A electric weight of exerting oneself, with the cooling of the centralized heat absorption formula refrigeration machine cold water flow of exerting oneself, and by the power consumption of the water resource heat pump A of the collection electric weight of exerting oneself, and the cooling of the centralized heat absorption formula refrigeration machine cold water flow of exerting oneself sends integrated dispatch control device 115 to.

Please refer to Fig. 3, integrated dispatch control device 115 comprises:

The power consumption that receives the water resource heat pump A that the first long-distance centralized control device sends exert oneself the first data receiver unit 200 of cold water flow of the cooling of electric weight and centralized heat absorption formula refrigeration machine of exerting oneself;

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

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. 4, 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 power consumption of the measuring water resource heat pump A P that exerts oneself _wSHPand the cold H that exerts oneself of centralized heat absorption formula refrigeration machine (t) _cHP(t);

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

1.2.1) N user's refrigeration fan coil pipe apart from the pipeline of water resource heat pump A apart from S _i;

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

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

1.2.4) N user's air conditioner installed capacity

2) calculate:

2.1) calculate the total non-cooling electric weight of all users

2.2) according to 2.1) in the total non-cooling electric weight 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) the cold H that exerts oneself of the centralized heat absorption formula refrigeration machine that gathers _cHP(t), the cold H that exerts oneself of the centralized heat absorption formula refrigeration machine of predict future a period of time _cHP(t); According to 1.1) power consumption of the water resource heat pump (A) that the gathers P that exerts oneself _wSHP(t) power consumption of the water resource heat pump of predict future a period of time (A) P that exerts oneself _wSHP(t);

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

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 cooling load H that respectively organizes all users _loadand air conditioner capacity P (l) _eHP(l)

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

it is the air conditioner capacity of l group user i

3) control and calculate

By 1) in prediction each parameter substitution control below in calculating:

(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 _wSHP(t)-P _wSHP(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 _wSHP(t) for the power consumption of water resource heat pump A after regulating is exerted oneself, the MW of unit;

P _wSHP(t) for the power consumption of water resource heat pump A of prediction is exerted oneself, the MW of unit;

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

(3.2) constraint equation

3.2.1 refrigeration duty equilibrium equation

The deficiency that air conditioner electricity consumption cooling replaces centralized heat absorption formula refrigeration machine cold water cooling to exert oneself is the core of method, if Δ h (t) represents the power of t period centralized heat absorption formula refrigeration machine cold water cooling deficiency,, its expression formula is:

Δ h (t)=| H _cHP(t)-h _cHP(t) | formula (3)

Wherein, Δ h (t) represents the power of t period centralized heat absorption formula refrigeration machine cold water cooling deficiency, the MW of unit

H _cHP(t) for the cooling of centralized heat absorption formula refrigeration machine of prediction is exerted oneself, the MW of unit;

H _cHP(t) for centralized heat absorption formula refrigeration machine after regulating is for cold exerting oneself, the MW of unit.

T period centralized heat absorption formula refrigeration machine Cold water supply deficiency is organized and is used air conditioner power consumption refrigeration to obtain by each user, time delay due to cold water transmission, also there is time delay in cold hydropenic impact, 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 and cold water flows to its time Wei Yige unit's scheduling duration, so cold water deficiency also will have influence on the 1st user's group in the t+1 period, in like manner, cold water deficiency will have influence on l user's group in the t+l period.Eventually the above, t period centralized heat absorption formula refrigeration machine Cold water supply deficiency is the air conditioner 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 cooling power sum of l group user air conditioner 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, Cold 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 water resource heat pump constraint:

The heating restriction of exerting oneself:

0≤h _wSHP(t)≤H _wSHP; Formula (5)

Water resource heat pump thermoelectricity is than retraining:

H _wSHP(t)=COP _wSHPp _wSHP(t); Formula (6)

In above-mentioned formula (5)～(6), H _wSHPfor the specified thermal capacity of water resource heat pump, the MW of unit; COP _wSHPfor the water resource heat pump coefficient of performance; h _wSHP(t) for the heat of water resource heat pump t period is exerted oneself, the MW of unit; p _wSHP(t) be the power consumption of water resource heat pump t period, the MW of unit.

3.2.3 user's side air conditioner constraint

Cold electricity is than constraint

H _eHP(t, l)=COP _eHPp _eHP(t, l) formula (7)

The air conditioner upper limit of exerting oneself

0≤p _eHP(t, l)≤min (P _eHP(l), H _load(l)/COP) formula (8)

Wherein, h _eHP(t, l) is the t cooling power sum of l group user air conditioner constantly, the MW of unit;

COP _eHPfor 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 to obtain the air conditioner power consumption sum of all user's groups of day part:

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

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 A water resource heat pump power consumption p that exerts oneself _wSHPand the cooling of the centralized heat absorption formula refrigeration machine h that exerts oneself (t) _cHP(t) signal, controls water resource heat pump and in future, regulates the action of day part in the time

Party B-subscriber is air conditioner power consumption p in the same time not _eHP(t, l) and confession cold h _eHP(t, l), controls user's side different distance user and uses air conditioner for cold, and close refrigeration fan coil pipe amount.

The described water resource heat pump power consumption p that exerts oneself _wSHPand the cold h that exerts oneself of centralized heat absorption formula refrigeration machine (t) _cHP(t) signal and user air conditioner power consumption p in the same time not _eHP(t, l) and confession cold h _eHP(t, l) combines above-mentioned formula (1)～formula (9) and can obtain.

Please refer to shown in Fig. 5, as seen from the figure, after invention dispatching method regulates, user's power load approaches consistent with target load curve substantially.

The present invention regulates the power consumption of water resource heat pump to reduce the output of cold water, finally regulate electric load, 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 (7)

1. a dispatching patcher is closed in the cold Electricity Federation that comprises water resource heat pump, it is characterized in that: comprising:

Water resource heat pump (A) for output hot water;

Centralized heat absorption formula refrigeration machine, the hot water outlet of connection water resource heat pump (A), is converted into cold water by hot water;

Air conditioner (108), produces refrigeration cold wind;

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

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

With the refrigeration fan coil pipe (110) that centralized heat absorption formula refrigeration machine is connected, the cold water that described centralized heat absorption formula refrigeration machine is produced flows into generation refrigeration cold wind in described refrigeration fan coil pipe (110);

Refrigeration fan coil pipe cold water consumes gauge table (111), the data that consume for detection of described refrigeration fan coil pipe (110) cold water;

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

The first long-distance centralized control device (1121), gathers the power consumption of water resource heat pump (A) and the cooling of the centralized heat absorption formula refrigeration machine cold water flow of exerting oneself, and sends exert oneself cold water flow and power consumption data of this cooling to integrated dispatch control device (115);

The second long-distance centralized control device (1122), be stored with the range information between refrigeration fan coil pipe (110) and water resource heat pump (A), the non-refrigeration power consumption data that the ammeter of the non-refrigeration electricity consumption of collection user detects, gather refrigeration fan coil pipe cold water and consume the cold water consumption data that gauge table (111) detects, then send range data between above-mentioned non-refrigeration power consumption data and cold water consumption data and refrigeration fan coil pipe (110) and water resource heat pump (A) to integrated dispatch control device (115);

Integrated dispatch control device (115), the power consumption of calculating and generate final scheduling controlling water resource heat pump (A) according to distance between refrigeration fan coil pipe (110) and water resource heat pump (A) is exerted oneself and centralized heat absorption formula refrigeration machine cold exerted oneself and user not air conditioner in the same time power consumption and for the control signal of cold;

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 final controlling element action of water resource heat pump (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 remote control switch (117), refrigeration fan coil pipe flowing water valve remote control switch (116) to carry out switching on and shutting down action.

2. according to claim 1ly a kind ofly comprise that the cold Electricity Federation of water resource heat pump closes dispatching patcher, it is characterized in that,

Described refrigeration fan coil pipe 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 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;

Water resource heat pump is controlled final controlling element, by the first long-distance centralized control device, with remote control mode and described integrated dispatch control device (115), is coupled.

3. according to claim 1ly a kind ofly comprise that the cold Electricity Federation of water resource heat pump closes dispatching patcher, it is characterized in that, described integrated dispatch control device (115) comprising:

Receive exert oneself the first data receiver unit (200) of cold water flow of the power consumption electric weight of water resource heat pump (A) that the first long-distance centralized control device sends and the cooling of centralized heat absorption formula refrigeration machine;

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

By the data decoder of the described decoding data receiving (202);

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

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.

4. according to claim 1ly a kind ofly comprise that the cold Electricity Federation of water resource heat pump closes dispatching patcher, 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 and the second long-distance centralized control device.

5. according to claim 1ly a kind ofly comprise that the cold Electricity Federation of water resource heat pump closes dispatching patcher, it is characterized in that, described the second long-distance centralized control device comprises the non-refrigeration ammeter of user pulse counter, refrigeration cold 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-refrigeration ammeter of user pulse counter is connected with the non-refrigeration ammeter of user, and the power consumption data that the non-refrigeration ammeter of user 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;

Refrigeration cold water flow pulse counter connects refrigeration fan coil pipe cold water and consumes gauge table (111), for detection of refrigeration fan coil pipe cold water, consume the refrigeration data on flows of gauge table (111), the refrigeration data on flows that refrigeration cold 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 Rcv decoder, the scheduling control information that reception integrated dispatch control device (115) sends is also decoded, and then by control signal remote control transmitter, sends to air conditioner remote control switch (117), refrigeration fan coil pipe flowing water valve remote control switch (116) to carry out switching on and shutting down action control signal.

6. according to claim 1ly a kind ofly comprise that the cold Electricity Federation of water resource heat pump closes the dispatching method of dispatching patcher, it 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 power consumption that the first long-distance centralized control device (1121) gathers water resource heat pump (A) P' that exerts oneself _cHPand the cold H' that exerts oneself of centralized heat absorption formula refrigeration machine (t) _cHP(t);

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

(a) N user's refrigeration fan coil pipe apart from the pipeline of water resource heat pump (A) apart from S _i;

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

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

(d) N user's air conditioner installed capacity

2) calculate:

2.1) calculate the total non-cooling electric weight of all users

2.2) according to 2.1) in the total non-cooling electric weight 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) the cold H' that exerts oneself of the centralized heat absorption formula refrigeration machine that gathers _cHP(t), the cold H that exerts oneself of the centralized heat absorption formula refrigeration machine of predict future a period of time _cHP(t); According to 1.1) power consumption of the water resource heat pump (A) that the gathers P' that exerts oneself _cHP(t) power consumption of the water resource heat pump of predict future a period of time (A) P that exerts oneself _cHP(t);

2.3) according to distance S between refrigeration fan coil pipe (110) and water resource heat pump (A) _iall users are divided into L group, and L is natural number, then obtains respectively the total cooling load H of all users in each group _load(l)=∑ H _i(t, l) and air conditioner capacity

be that l organizes refrigeration fan coil pipe at t cooling load constantly,

(l) be the refrigeration capacity of l group refrigeration fan coil pipe, wherein user packet method is: first calculate the equivalent distances between refrigeration fan coil pipe (110) and water resource heat pump (A)

v be cold 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 2.3) each parameter iteration of doping calculate and regulate after the power consumption of the water resource heat pump p that exerts oneself _cHPand the cold h that exerts oneself of centralized heat absorption formula refrigeration machine (t) _cHP(t), user air conditioner power consumption p in the same time not _eHP(t, l) and confession cold h _eHP(t, l).

7. according to claim 6ly a kind ofly comprise that the cold Electricity Federation of water resource heat pump closes the dispatching method of dispatching patcher, it is characterized in that: the power consumption of the water resource heat pump p that exerts oneself after regulating _cHPand the cold h that exerts oneself of centralized heat absorption formula refrigeration machine (t) _cHP(t), user air conditioner power consumption p in the same time not _eHP(t, l) and confession cold 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 power consumption of the water resource heat pump p that exerts oneself after regulating _cHPand the cold h that exerts oneself of centralized heat absorption formula refrigeration machine (t) _cHPand user air conditioner power consumption p in the same time not (t) _eHP(t, l) and confession cold 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 _WSHP(t)-P _WSHP(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 _wSHP(t) for the power consumption of water resource heat pump A after regulating is exerted oneself, the MW of unit;

P _wSHP(t) for the power consumption of water resource heat pump A of prediction is exerted oneself, the MW of unit;

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

(B) establish constraint equation

Refrigeration duty equilibrium equation:

Δh(t)=|H _CHP(t)-h _CHP(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 centralized heat absorption formula refrigeration machine cold water cooling deficiency, the MW of unit;

H _cHP(t) for the cooling of centralized heat absorption formula refrigeration machine of prediction is exerted oneself, the MW of unit;

H _cHP(t) for the cooling of centralized heat absorption formula refrigeration machine after regulating is exerted oneself, the MW of unit;

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

Water resource heat pump constraint:

The heating restriction of exerting oneself:

0≤h _WSHP(t)≤H _WSHP （5）

Water resource heat pump thermoelectricity is than retraining:

h _WSHP(t)=COP _WSHP· _pWSHP(t)； （6）

In above-mentioned formula (5)～(6), H _wSHPfor the specified thermal capacity of water resource heat pump, the MW of unit; COP _wSHPfor the water resource heat pump coefficient of performance; h _wSHP(t) for the heat of water resource heat pump t period is exerted oneself, the MW of unit; p _wSHP(t) be the power consumption of water resource heat pump t period, the MW of unit;

The constraint of user's 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 cooling power sum of l group user air conditioner constantly, the MW of unit;

COP _eHPfor household air-conditioner coefficient;

P _eHP(t, l) is the t power consumption sum of l group user air-conditioning 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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