Summary of the invention
The problem that the present invention solves is to provide cogeneration units and heats wind-powered electricity generation that load jointly controls exert oneself dispatching patcher and method, by the comprehensive regulation to heat energy, electric energy, realize that wind-force equivalence generated output is consistent with target requirement, the effective utilization that improves wind-power electricity generation.
The present invention is achieved through the following technical solutions:
A kind of back pressure type cogeneration units and the wind-powered electricity generation heat supply dispatching patcher of exerting oneself comprises:
The back pressure type cogeneration units that is used for output electric power and heating hot water;
The wind power generating set that is used for output electric power;
By the power cable net user's in parallel with back pressure type cogeneration units and wind power generating set heat pump, heat pump consumes electric power provides hot water to the hot-water type heating radiator; The heat pump remote control switch of control heat pump;
Gather the ammeter of the non-heating power consumption of user;
The user's who is connected with the back pressure type cogeneration units by the heat supply pipeline net hot-water type heating radiator; Hot water consumes gauge table, detects the hot water amount of back pressure type cogeneration units input hot-water type heating radiator; The hot-water type heating radiator remote control switch of control hot-water type heating radiator;
The first remote centralized controller, that gathers the back pressure type cogeneration units comprises the exert oneself production capacity information of hot water flow and generated output electric weight of heating, sends the production capacity information of gathering to the integrated dispatch control device; The first remote centralized controller also receives the scheduling control signal that the integrated dispatch control device sends, and according to the action of scheduling control signal control back pressure type cogeneration units control actuating unit;
The second remote centralized controller, the production capacity information of gathering the generated output electric weight of wind power generating set sends the production capacity information of gathering to the integrated dispatch control device;
The 3rd remote centralized controller, record user's hot-water type heating radiator and the pipeline range information between the back pressure type cogeneration units, and gather the power consumption information that the non-heating power consumption comprise the user and hot water consume the detected hot water influx of gauge table and non-heating power consumption, also gather the thermal inertia time of user's input; Send user's pipeline range information, power consumption information and the thermal inertia time of collection to the integrated dispatch control device;
The 3rd remote centralized controller also receives the scheduling control signal that the integrated dispatch control device sends, and drives heat pump remote control switch and/or heating radiator remote control switch execution action according to scheduling control signal;
The integrated dispatch control device, according to reception production capacity information, user's pipeline range information and power consumption information, produce the regulation and control control signal, send the regulation and control control signal to the first remote centralized controller and/or the 3rd remote centralized controller.
Described integrated dispatch control device is according to the back pressure type cogeneration units, the production capacity information of wind power generating set and user's the power consumption information that receive, guaranteeing to satisfy under the condition that electric power is supplied with and heat energy is supplied with, the heating that reduces the back pressure type cogeneration units hot water flow of exerting oneself reduces hot water flow and causes the needed heat supply deficiency of user to consume electric heating by heat pump compensating;
The integrated dispatch control device sends and comprises that the back pressure type cogeneration units is in the heating of scheduling time exert oneself hot water flow and generated output electric weight, the regulation and control control signal of the inflow user's that the back pressure type cogeneration units provides hot-water type heating radiator hot water amount and the heating electric power consumption of heat pump.
Described heat pump considers that also hot water that the back pressure type cogeneration units provides flows to user's time and thermal inertia time when consuming the electric heating compensation.
Described integrated dispatch control device comprises:
Receive the production capacity information of back pressure type cogeneration units and wind power generating set, the first data receiving element of user's power consumption information and user pipe range information;
The data decoder unit that all data that receive are decoded;
The data memory unit that decoded all data are stored;
Generate the scheduling control signal computing unit of scheduling control signal;
Described scheduling control signal is carried out the encoded signals encoder; And
Scheduling control signal behind the coding is passed to the transmitting element of the first remote centralized controller, the 3rd remote centralized controller.
Described integrated dispatch control device is connected with the cloud computing service system by power optical fiber, and drives the calculating of cloud computing service system, to obtain scheduling control signal; The integrated dispatch control device receives the scheduling control signal that the cloud computing service system obtains by power optical fiber, sends scheduling control signal to the first remote centralized controller and/or the 3rd remote centralized controller via power cable or wireless transmission method then.
Described hot-water type heating radiator remote control switch is coupled with remote control mode and integrated dispatch control device by the 3rd remote centralized controller; The heat pump remote control switch is coupled with remote control mode and integrated dispatch control device by the 3rd remote centralized controller; Also be provided with the special-purpose electric energy meter of heat pump on the heat pump, detect the power consumption of its heating, this power consumption is also gathered by the 3rd remote centralized controller;
Back pressure type cogeneration units control actuating unit is coupled with remote control mode and integrated dispatch control device by the first remote centralized controller; Back pressure type cogeneration units control actuating unit is carried out action according to scheduling control signal.
Described the 3rd remote centralized controller comprises non-heating ammeter pulse counter, heating hot water flow pulse counter, pulse-code converter, metering signal amplifying emission device, and interconnective control signal Rcv decoder and remote control signal generator;
Non-heating ammeter pulse counter connects the non-heating ammeter of user, for detection of the non-heating power consumption of user data, is sent to the integrated dispatch control device after the non-heating power consumption of user data process pulse-code converter and metering signal amplifying emission device are handled;
Heating hot water flow pulse counter connects hot-water type heating radiator hot water and consumes gauge table, for detection of the hot water influx, the hot water influx is handled the generation signal through pulse-code converter and metering signal amplifying emission device again, is sent to the integrated dispatch control device with user pipe information;
The control signal Rcv decoder, the scheduling control information that reception integrated dispatch control device sends is also decoded, and by the control signal remote control transmitter control signal is sent to heat pump remote control switch, hot-water type heating radiator flowing water valve remote control switch execution action then.
The exert oneself dispatching method of heat supply dispatching patcher of described back pressure type cogeneration units and wind-powered electricity generation may further comprise the steps:
At 0~T * in the Δ T time period, Δ T is the sampling period, the number of times of T for gathering, the integrated dispatch control device is according to the back pressure type cogeneration units that receives, the production capacity information of wind power generating set, dope the production capacity information of following a period of time T~2T * Δ T, again in conjunction with the power consumption information of user in 0~T * Δ T time period, guaranteeing to satisfy under the condition that electric power is supplied with and heat energy is supplied with, the heating that reduces the back pressure type cogeneration units hot water flow of exerting oneself, reducing hot water flow causes the needed heat supply deficiency of user to be compensated by heat pump consumption electric heating, and consider that hot water that the back pressure type cogeneration units provides flows to user's time and thermal inertia time, calculates magnitude of recruitment;
Then in T~2T * Δ T time period, the integrated dispatch control device is the regulation and control cycle with Δ T, the also transmission of generation scheduling control signal is calculated in prediction and scheduling according to electric power supply and heat energy supply, exert oneself hot water flow and generated output electric weight of the heating of control back pressure type cogeneration units after the first remote centralized controller receiving scheduling control signal, after the 3rd remote centralized controller receiving scheduling control signal, the control heat pump consumes electric heating and compensates the heat supply deficiency that the minimizing of hot-water type heating radiator hot water causes.
The generation of the scheduling control signal of described integrated dispatch control device may further comprise the steps:
1) gather variable:
1.1) gather the generated output P of back pressure type cogeneration units in 0~T * Δ T time period
CHP(t) and the heat H that exerts oneself
CHPAnd send to the integrated dispatch control device (t); Δ T is the sampling period, the number of times of T for gathering, and T is natural number;
Gather the generated output of 0~M wind-driven generator in 0~T * Δ T time period
And send to the integrated dispatch control device;
1.2) gather 0~T * in the Δ T time period, 0~N user's following information: the user apart from the pipeline of thermal source back pressure type cogeneration units apart from S
i, non-heating power consumption P
i(t), the back pressure type cogeneration units offers the heat consumption H of hot-water type heating radiator
i(t), the installed capacity of heat pump
Thermal inertia time T with user's input
i, and send to the integrated dispatch control device;
2) calculate following variable:
2.1) calculate the gross capability of wind-driven generator in 0~T * Δ T time period
Then according to gross capability
Utilize statistical analysis technique, the wind-driven generator gross capability P of prediction T~2T * Δ T time period
Wind(t);
By gathering the generated output P of back pressure type cogeneration units in 0~T * Δ T time period
CHP(t) and the heat H that exerts oneself
CHP(t), dope the generated output P of T~2T * Δ T time period
CHP(t) and the heat H that exerts oneself
CHP(t);
2.2) calculate each user to the equivalent distances of back pressure type cogeneration units
V is that hot water is at ducted flow velocity; And to result of calculation is done rounding operation
With identical s
iThe user be divided into same group, count l group, s
i=l; Amount to the L group, L is natural number;
To each user grouping, calculate the total heating load H that respectively organizes all users respectively
Load(l) and heat pump capacity P
EHP(l);
H
Load(l)=∑ H
i(t, l), H
i(t is that l group user i is in t heating load constantly l);
It is the heat pump capacity of l group user i;
3) with following variable: P
CHP(t), H
CHP(t), P
Load(t), H
Load(l), P
EHP(l) substitution is the result to obtain the object function minimum of a value, carries out iterative by object function (1) and constraints (2~12) compositional optimization problem, obtains each variable as adjustment signal:
3.1) object function is:
P wherein
Wind(t) be the equivalent wind-powered electricity generation gross capability after regulating,
For the wind-powered electricity generation of actual needs is exerted oneself;
p
wind(t)=P
wind(t)+(p
CHP(t)-P
CHP(t))-p
EHPs(t);(2)
Wherein, p
CHP(t) be the generated output of the back pressure type cogeneration units after regulating, P
CHP(t) be the generated output of the back pressure type cogeneration units of prediction, p
EHPsAll user's air-conditioner heat pump power consumptions when (t) being t;
3.2) constraints
3.2.1) the thermic load equilibrium equation
Reducing hot water and exert oneself, is Δ h (t) at the power of supply side chillout, and its expression formula is as follows:
Δh(t)=H
CHP(t)-h
CHP(t); (3)
H wherein
CHP(t) exert oneself h for the heat of the back pressure type cogeneration units that dopes
CHP(t) exert oneself for the heat of the back pressure type cogeneration units after regulating;
Consider hot water in pipeline inflow user's time and thermal inertia time, the user uses the needed compensation Δ of heat pump h (t) to be expressed as:
h
EHP(t+l l) is the t+l heating power sum of l group user heat pump constantly;
3.2.2) constraint of back pressure type cogeneration units:
The generated output lower limit:
The generated output upper limit:
The generated output restriction:
Cogeneration of heat and power is thermoelectric than constraint:
h
CHP(t)=RDB·p
CHP(t) (8)
Wherein, P
CHPBe back pressure type cogeneration units capacity;
For regulating the minimum generated output of back back pressure type cogeneration units; p
CHP(t) for regulating back back pressure type cogeneration units generated output;
Exert oneself for regulating back back pressure type cogeneration units maximum generation; RDB is the thermoelectric ratio of back pressure type cogeneration units; η
CHP(t) be back pressure type cogeneration units efficient, h
CHP(t) exert oneself f for regulating back back pressure type cogeneration units heating heat
CHP(t) be cogeneration of heat and power power energy consumption;
3.2.3) user's side heat pump constraints
Thermoelectric than constraint: h
EHP(t, l)=COP
EHPP
EHP(t, l) (10)
h
EHP(t l) is the t heating power sum of l group user heat pump constantly, COP
EHPBe the heat pump performance coefficient;
The upper limit: 0≤p exerts oneself
EHP(t, l)≤min (P
EHP(l), H
Load(l)/COP
EHP); (11)
The heat pump power consumption sum of all user's groups of day part:
4) the integrated dispatch control device generates scheduling control signal according to each variable after regulating in the middle of the operation result and sends:
Generated output p with the back pressure type cogeneration units
CHP(t) and the heat h that exerts oneself
CHP(t) signal sends to the first remote centralized controller, controls it and regulates the action of day part in the time in future;
With user's heat pump power consumption p
EHP(t is l) with heating load h
EHP(t l) sends to the 3rd remote centralized controller, controls it and regulates the action of day part in the time in future.
Compared with prior art, the present invention has following beneficial technical effects:
Back pressure type cogeneration units provided by the invention and wind-powered electricity generation exert oneself heat supply dispatching patcher and dispatching method thereof, by the back pressure type cogeneration units with heat jointly controlling of load, equivalence generating and the system's actual demand of regulating wind-powered electricity generation reach unanimity the pressure that reduces to be incorporated into the power networks;
For heating load: the user adopts hot-water radiator and the heat supply of heat pump power consumption dual mode, hot water source wherein is in cogeneration units, electric power is united by cogeneration units and wind power generating set to be provided, after the energy supply that detects the phase of history time and user's power consumption situation, utilize " multiple regression " statistical analysis technique that following a period of time is made prediction by the integrated dispatch control device; Dispatch on this basis then:
Guaranteeing to satisfy under the condition that electric power is supplied with and heat energy is supplied with, reduce the hot water flow of exerting oneself that heats, compensate by consuming electric heating, the power consumption heat supply both can compensate the deficiency of hot water heating, the load of the low-valley interval that also can increase electric power;
Simultaneously, the back pressure type cogeneration units reduces the hot water flow of exerting oneself that heats, its generated output also reduces accordingly, cooperates to regulate with wind-power electricity generation according to the variation of power load, makes wind-force equivalence electric power after regulating handle with the wind-force of actual needs and differs minimum;
Wind-power electricity generation, cogeneration of heat and power integrate like this, adjust the variation of exerting oneself of cogeneration of heat and power and user's power consumption load condition according to the fluctuation of wind-power electricity generation, based on real-time detection and prediction continuity control methods, with sense cycle and the regulating cycle that equates, thereby realize that exerting oneself with system needed wind-powered electricity generation exerting oneself of user's side of wind-power electricity generation equivalence is complementary.
And the present invention has also considered the otherness of two kinds of different heat-supplying modes: the time delay that hot water is carried at pipeline, the instantaneity of electric power compensation heat supply, and user's thermal inertia time (the acceptable heating duration that stops of user); When electric power compensation, just need treat apart from differentiation to the different pipelines of thermal source the user like this, it is exactly the compensation of considering heating time difference when the user compensates heat supply, consider the energy variation of supply side and user's side fully, user's actual demand and effective utilization of the energy have been taken into account in the existing level and smooth output that utilizes wind-power electricity generation again.
The specific embodiment
Back pressure type cogeneration units provided by the invention and wind-powered electricity generation exert oneself heat supply dispatching patcher and dispatching method thereof, being united by cogeneration units and wind power generating set at supply side electric power provides, the hot water source is in cogeneration units, the user adopts hot-water radiator and the heat supply of heat pump power consumption dual mode, on the basis that history detects, energy supply and the power consumption situation of following a period of time of prediction, minimizing hot water is exerted oneself and is compensated with the power consumption heat supply, and back pressure type cogeneration units minimizing heat supply is exerted oneself, also reduced simultaneously generated output, like this with respect to the fluctuation of wind-power electricity generation, the user power utilization load also has the space (the power consumption heat supply both can compensate the deficiency of hot water heating, the load of the low-valley interval that also can increase electric power) of adjustment.And when the compensation of dual mode heat supply, consider the time delay that pipeline is carried, and the instantaneity of electric power compensation heat supply and user's the thermal inertia time, realize effective adjusting of whole system, make the equivalence of wind-powered electricity generation exert oneself and reach unanimity with target requirement.Below in conjunction with concrete system constitute and control method the present invention is described in further detail, the explanation of the invention is not limited.
Referring to Fig. 1~Fig. 4, a kind of back pressure type cogeneration units and the wind-powered electricity generation heat supply dispatching patcher of exerting oneself comprises:
The back pressure type cogeneration units A that is used for output electric power and heating hot water;
The wind power generating set B that is used for output electric power;
Heat pump 108 by power cable net 113 user in parallel with back pressure type cogeneration units A and wind power generating set B, heat pump 108 consumes electric power provides hot water to hot-water type heating radiator 110, and be to have the water circulation between heat pump 108 and the hot-water type heating radiator 110, when this 108 heating of heat, open, when not using heat pump 108 heating, close; The heat pump remote control switch 117 of control heat pump 108;
Gather the ammeter of the non-heating power consumption of user;
The user's who is connected with back pressure type cogeneration units A by heat supply pipeline net 114 hot-water type heating radiator 110; Hot water consumes gauge table 111, detects the hot water amount of back pressure type cogeneration units A input hot-water type heating radiator 110; The hot-water type heating radiator remote control switch 116 of control hot-water type heating radiator 110;
The first remote centralized controller 1121, that gathers back pressure type cogeneration units A comprises the exert oneself production capacity information of hot water flow and generated output electric weight of heating, sends the production capacity information of gathering to integrated dispatch control device 115; The first remote centralized controller 1121 also receives the scheduling control signal that integrated dispatch control device 115 sends, and according to 118 actions of scheduling control signal control back pressure type cogeneration units control actuating unit;
The second remote centralized controller 1122, the production capacity information of gathering the generated output electric weight of wind power generating set B sends the production capacity information of gathering to integrated dispatch control device 115;
The 3rd remote centralized controller 1123, record user's hot-water type heating radiator 110 and the pipeline range information between the back pressure type cogeneration units A, and gather the power consumption information that the non-heating power consumption comprise the user and hot-water type heating radiator hot water consume gauge table 111 detected hot water influxs and non-heating power consumption, also gather the thermal inertia time (be user accept stop heating duration) of user's input; Send user's pipeline range information, power consumption information and the thermal inertia time of collection to integrated dispatch control device 115;
The 3rd remote centralized controller 1123 also receives the scheduling control signal that integrated dispatch control device 115 sends, and drives heat pump remote control switch 117 and/or the 116 execution actions of heating radiator remote control switch according to scheduling control signal;
Integrated dispatch control device 115, according to reception production capacity information, user's pipeline range information and power consumption information, produce the regulation and control control signal, send the regulation and control control signal to the first remote centralized controller 1121 and/or the 3rd remote centralized controller 1123.
Concrete integrated dispatch control device 115 is according to the production capacity information of the back pressure type cogeneration units A, the wind power generating set B that receive and user's power consumption information, guaranteeing to satisfy under the condition that electric power is supplied with and heat energy is supplied with, the heating that the reduces back pressure type cogeneration units A hot water flow of exerting oneself reduces hot water flow and causes the needed heat supply deficiency of user to consume electric heatings by heat pump 108 compensating; When heat pump 108 consumes the electric heatings compensation, consider that also hot water that the back pressure type cogeneration units provides flows to user's time and thermal inertia time;
Integrated dispatch control device 115 sends and comprises back pressure type cogeneration units A at the heating of scheduling time exert oneself hot water flow and generated output electric weight, flows into the regulation and control control signal of the heating electric power consumption of user's hot-water type heating radiator 110 hot water amounts and heat pump 108.
Referring to Fig. 2, described integrated dispatch control device 115 comprises:
Receive the production capacity information of back pressure type cogeneration units A and wind power generating set B, the first data receiving element 201 of user's power consumption information and user pipe range information;
The data decoder unit 202 that all data that receive are decoded;
The data memory unit 203 that decoded all data are stored;
Generate the scheduling control signal computing unit 204 of scheduling control signal;
Described scheduling control signal is carried out encoded signals encoder 205; And
Scheduling control signal behind the coding is passed to the transmitting element 206 of the first remote centralized controller 1121, the 3rd remote centralized controller 1123.
Referring to Fig. 3, integrated dispatch control device 115 is connected with cloud computing service system 917 by power optical fiber 120, and drives 917 calculating of cloud computing service system, to obtain scheduling control signal; Integrated dispatch control device 115 receives the scheduling control signal that cloud computing service system 917 obtains by power optical fiber 120, sends scheduling control signal to the first remote centralized controller 1121 and/or the 3rd remote centralized controller 1123 via power cable or wireless transmission method then.
Concrete remote control mode is:
Described hot-water type heating radiator remote control switch 116 is coupled with remote control mode and integrated dispatch control device 115 by the 3rd remote centralized controller 1123; Heat pump remote control switch 117 is coupled with remote control mode and integrated dispatch control device 115 by the 3rd remote centralized controller 1123; Also be provided with the special-purpose electric energy meter 109 of heat pump on the heat pump 108, detect the power consumption of its heating, this power consumption is also gathered by the 3rd remote centralized controller;
Back pressure type cogeneration units control actuating unit 118 is coupled with remote control mode and integrated dispatch control device 115 by the first remote centralized controller 1121; Back pressure type cogeneration units control actuating unit 118 is carried out action according to scheduling control signal.
Referring to Fig. 4, described the 3rd remote centralized controller 1123 comprises non-heating ammeter pulse counter, heating hot water flow pulse counter, pulse-code converter, metering signal amplifying emission device, and interconnective control signal Rcv decoder and remote control signal generator;
Non-heating ammeter pulse counter connects the non-heating ammeter of user, for detection of the non-heating power consumption of user data, is sent to integrated dispatch control device 115 after the non-heating power consumption of user data process pulse-code converter and metering signal amplifying emission device are handled;
Heating hot water flow pulse counter connects hot-water type heating radiator hot water and consumes gauge table 111, the hot water influx that provides for detection of the back pressure type cogeneration units, the hot water influx is handled the generation signal through pulse-code converter and metering signal amplifying emission device again, is sent to integrated dispatch control device 115 with user pipe information;
The control signal Rcv decoder, the scheduling control information that reception integrated dispatch control device 115 sends is also decoded, and by the control signal remote control transmitter control signal is sent to heat pump remote control switch 117, the 116 execution actions of hot-water type heating radiator flowing water valve remote control switch then.
Based on the exert oneself dispatching method of heat supply dispatching patcher of above-mentioned back pressure type cogeneration units and wind-powered electricity generation, may further comprise the steps:
At 0~T * in the Δ T time period, Δ T is the sampling period, the number of times of T for gathering, the integrated dispatch control device is according to the back pressure type cogeneration units that receives, the production capacity information of wind power generating set, utilize " multiple regression " statistical analysis technique to dope the production capacity information of following a period of time T~2T * Δ T, again in conjunction with the power consumption information of user in 0~T * Δ T time period, guaranteeing to satisfy under the condition that electric power is supplied with and heat energy is supplied with, the heating that reduces the back pressure type cogeneration units hot water flow of exerting oneself, reducing hot water flow causes the needed heat supply deficiency of user to be compensated by heat pump consumption electric heating, reducing hot water flow causes the minimizing of back pressure type cogeneration units generated output to be compensated by wind-power electricity generation, and consider that hot water that the back pressure type cogeneration units provides flows to user's time and thermal inertia time, calculates magnitude of recruitment;
Then in T~2T * Δ T time period, the integrated dispatch control device is the regulation and control cycle with Δ T, the also transmission of generation scheduling control signal is calculated in prediction and scheduling according to electric power supply and heat energy supply, exert oneself hot water flow and generated output electric weight of the heating of control back pressure type cogeneration units after the first remote centralized controller receiving scheduling control signal, after the 3rd remote centralized controller receiving scheduling control signal, the control heat pump consumes electric heating and compensates the heat supply deficiency that the minimizing of hot-water type heating radiator hot water causes.
Based on real-time detection and prediction continuity control methods, regulate in system with the sense cycle and the regulating cycle that equate like this.
The generation of the scheduling control signal of concrete integrated dispatch control device may further comprise the steps:
1) gather variable:
1.1) gather the generated output P of back pressure type cogeneration units in 0~T * Δ T time period
CHP(t) and the heat H that exerts oneself
CHPAnd send to the integrated dispatch control device (t); Δ T is that the sampling period, (be specifically as follows the number of times of 15~30min), T for gathering, T was natural number;
Gather the generated output of 0~M wind-driven generator in 0~T * Δ T time period
And send to the integrated dispatch control device;
1.2) gather 0~T * in the Δ T time period, 0~N user's following information: the user apart from the pipeline of thermal source back pressure type cogeneration units apart from S
i, non-heating power consumption P
i(t), the back pressure type cogeneration units offers the heat consumption H of hot-water type heating radiator
i(t), the installed capacity of heat pump
Thermal inertia time T with user's input
i, and send to the integrated dispatch control device;
2) calculate following variable:
Calculate the gross capability of wind-driven generator in 0~T * Δ T time period
Then according to gross capability
Utilize statistical analysis technique, the wind-driven generator gross capability of prediction T~2T * Δ T time period
By gathering the generated output P of back pressure type cogeneration units in 0~T * Δ T time period
CHP(t) and the heat H that exerts oneself
CHP(t), dope the generated output P of T~2T * Δ T time period
CHP(t) and the heat H that exerts oneself
CHP(t);
2.2) calculate each user to the equivalent distances of back pressure type cogeneration units
V is that hot water is at ducted flow velocity; And to result of calculation is done rounding operation
With identical s
iThe user be divided into same group, count l group, s
i=l; Amount to the L group, L is natural number;
To each user grouping, calculate the total heating load H that respectively organizes all users respectively
Load(l) and heat pump capacity P
EHP(l);
H
Load(l)=∑ H
i(t, l), H
i(t is that l group user i is in t heating load constantly l);
It is the heat pump capacity of l group user i;
3) with following variable: P
CHP(t), H
CHP(t), P
Load(t), H
Load(l), P
EHP(l) substitution is the result to obtain the object function minimum of a value, carries out iterative by object function (1) and constraints (2~12) compositional optimization problem, obtains each variable regulation and control amount of this variable of a period of time (namely following) as adjustment signal:
3.1) object function is:
P wherein
Wind(t) be the equivalent wind-powered electricity generation gross capability after regulating,
Exert oneself for the wind-powered electricity generation of actual needs, also can be described as the target wind-powered electricity generation and exert oneself;
p
wind(t)=P
wind(t)+(p
CHP(t)-P
CHP(t))-p
EHPs(t);(2)
Wherein, p
CHP(t) be the generated output of the back pressure type cogeneration units after regulating, P
CHP(t) be the generated output of the back pressure type cogeneration units of prediction, p
EHPsAll user's air-conditioner heat pump power consumptions when (t) being t;
3.2) constraints
3.2.1) the thermic load equilibrium equation
Reducing hot water and exert oneself, is Δ h (t) at the power of supply side chillout, and its expression formula is as follows:
Δh(t)=H
CHP(t)-h
CHP(t); (3)
H wherein
CHP(t) exert oneself h for the heat of the back pressure type cogeneration units that dopes
CHP(t) exert oneself for the heat of the back pressure type cogeneration units after regulating;
Consider hot water in pipeline inflow user's time and thermal inertia time, the user uses the needed compensation Δ of heat pump h (t) to be expressed as:
h
EHP(t+l l) is the t+l heating power sum of l group user heat pump constantly;
3.2.2) constraint of back pressure type cogeneration units:
The generated output lower limit:
The generated output upper limit:
The generated output restriction:
Cogeneration of heat and power is thermoelectric than constraint:
h
CHP(t)=RDB·p
CHP(t) (8)
Wherein, P
CHPBe back pressure type cogeneration units capacity;
For regulating the minimum generated output of back back pressure type cogeneration units; p
CHP(t) for regulating back back pressure type cogeneration units generated output;
Exert oneself for regulating back back pressure type cogeneration units maximum generation; RDB is the thermoelectric ratio of back pressure type cogeneration units; η
CHP(t) be back pressure type cogeneration units efficient, h
CHP(t) exert oneself f for regulating back back pressure type cogeneration units heating heat
CHP(t) be cogeneration of heat and power power energy consumption;
3.2.3) user's side heat pump constraints
Thermoelectric than constraint: h
EHP(t, l)=COP
EHPP
EHP(t, l) (10)
h
EHP(t l) is the t heating power sum of l group user heat pump constantly, COP
EHPBe the heat pump performance coefficient;
The upper limit: 0≤p exerts oneself
EHP(t, l)≤min (P
EHP(l), H
Load(l)/COP
EHP); (11)
The heat pump power consumption sum of all user's groups of day part:
4) the integrated dispatch control device generates scheduling control signal according to each variable after regulating in the middle of the operation result and sends:
Generated output p with the back pressure type cogeneration units
CHP(t) and the heat h that exerts oneself
CHP(t) signal sends to the first remote centralized controller, controls it and regulates the action of day part in the time in future;
With user's heat pump power consumption p
EHP(t is l) with heating load h
EHP(t l) sends to the 3rd remote centralized controller, controls it and regulates the action of day part in the time in future.
Shown in Fig. 5-1~5-3, the change curve of exerting oneself of the actual wind-powered electricity generation shown in Fig. 5-1, the needed equivalent wind-powered electricity generation of the target shown in the 5-2 change curve of exerting oneself, as can be seen both to differ variation very big; And Fig. 5-3 is depicted as the equivalent wind-powered electricity generation power curve after the adjusting, as can be seen with the change curve basically identical of exerting oneself of the target Equivalent wind-powered electricity generation shown in the 5-2.