CN104574138A - Double-loop power supply differential electricity pricing method and control system - Google Patents
Double-loop power supply differential electricity pricing method and control system Download PDFInfo
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- CN104574138A CN104574138A CN201410778962.XA CN201410778962A CN104574138A CN 104574138 A CN104574138 A CN 104574138A CN 201410778962 A CN201410778962 A CN 201410778962A CN 104574138 A CN104574138 A CN 104574138A
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Abstract
The invention discloses a double-loop power supply differential electricity pricing method and a control system. The double-loop power supply differential electricity pricing method comprises the following steps: S100, analyzing electrical loads of users in a region, and evaluating an analysis result; S200, according to an evaluation result, performing double-loop trial control. Through direct load control, the novel double-loop power supply differential electricity price mechanism provided by the invention facilitates enhancement of a peak clipping effect of electricity price at different time and customized electricity using planning of a user, so that the application prospect is wide.
Description
Technical field
The invention belongs to for electrical domain, particularly relate to a kind of pricing method and control system of double circuit power supply different pricing of electric power.
Background technology
There is serious electricity shortage phenomenon in China, for this situation, proposes the measure implementing peak load shifting.Peak load shifting, as a kind of loss-reducing and electricity-saving measure of economy operation of power grid, does not need additional finance to drop into, and does not affect the normal work of power supply client, can save transformer and line energy loss, reach the object of loss-reducing and electricity-saving.Tou power price, as the one of peak load shifting measure, is stimulated by price signal and encourages user initiatively to change consumer behavior and power mode, reaching the object of peak load shifting, effective but and not obvious.
Summary of the invention
The object of this invention is to provide a kind of pricing method and control system of double circuit power supply different pricing of electric power, on the basis gathering customer charge data, provide two-circuit and control, to obtain more cost effective power program.
In order to solve the problems of the technologies described above, the invention provides a kind of pricing method of double circuit power supply different pricing of electric power, comprising the steps:
Step S100, analyzes the power load of district's intra domain user, and assesses analysis result;
Step S200, carries out the tentative control in two-circuit according to assessment result.
Preferably, in order to realize the classification to power load, the method that the power load of described step S100 Zhong Dui district intra domain user carries out analyzing comprises: classify to described power load, wherein a class is important load, and its normality is access conventional circuit; Another kind of is general load, and its normality directly controls loop for accessing.
Preferably, in order to realize the assessment to analysis result, in described step S100, the method that analysis result is assessed is comprised: step S110, load data analysis; Step S120, setting pricing model; And step S130, obtain Evaluated effect by emulation.
Preferably, in order to realize the analysis to load data, in described step S110, the method for load data analysis comprises:
Step S111, divided the electricity using at the peak time period; Step S112, the power consumption derivation of equation; And step S113, set up two-circuit tou power price mathematical model.
Preferably, in order to the actual conditions of higher consideration user, improve the computational accuracy setting up two-circuit tou power price mathematical model; The method setting up two-circuit tou power price mathematical model in described step S113 comprises: after being suitable for directly controlling loop power-off to user, the total load in a period of time detects, to judge that the load whether former access is directly controlled loop by user has accessed conventional circuit.
Preferably, better set up pricing model, the method setting pricing model in described step S120 comprises: the Accounting Principles setting two-circuit electricity price according to demand in the overall goal of side management and/or economics, and the electricity price of setting conventional circuit is higher than the electricity price in straight control loop.
Preferably, in order to realize Simulation Evaluation, comprised by the method for emulation acquisition Evaluated effect in described step S130: the two-circuit electricity price according to setting carries out MATLAB numerical simulation, when objective function is peak, during load minimum, paddy, load is very big, the total electricity charge of user are minimum, and constraint condition is two-circuit electricity price, the objective function of emulation is multiple objective function, adopts weighting factor method to calculate; And simulation result is analyzed, draw tou power price and two-circuit tou power price power load curve, to verify that this two-circuit electricity price is to the effect of peak load shifting, and difference before and after comparing calculation demand charge.
Preferably, described two-circuit is tentative to be controlled, punishing into two loops with ammeter and export namely user, i.e. conventional circuit and directly control loop.
Another aspect, present invention also offers a kind of double circuit power supply different pricing of electric power control system, comprising:
Power load assessment unit, analyzes the power load of district's intra domain user, and assesses analysis result; Control module is tried in two-circuit, carries out the tentative control in two-circuit according to assessment result.
Preferably, described power load assessment unit comprises:
Sort module, is suitable for classifying to described power load; Wherein a class is important load, and its normality is access conventional circuit; Another kind of is general load, and its normality directly controls loop for accessing;
Load data analysis module, divided the electricity using at the peak time period, the power consumption derivation of equation, and set up two-circuit tou power price mathematical model;
Pricing model module, according to the Accounting Principles setting two-circuit electricity price in the overall goal of DSM and economics;
Emulation module, two-circuit electricity price according to setting carries out MATLAB numerical simulation, and when objective function is peak, during load minimum, paddy, load is very big, the total electricity charge of user are minimum, and constraint condition is two-circuit electricity price, the objective function of emulation is multiple objective function, adopts weighting factor method to calculate; And simulation result is analyzed, draw tou power price and two-circuit tou power price power load curve, verify that this two-circuit electricity price is to the effect of peak load shifting, and difference before and after comparing calculation demand charge;
Control module is tried in described two-circuit, punishing into two loops with ammeter and export namely user, i.e. conventional circuit and directly control loop.
The invention has the beneficial effects as follows, Novel double-loop provided by the invention is powered, and different pricing of electric power is machine-processed to be controlled by direct load, has both been convenient to the enhancing peak clipping effect of tou power price, has been convenient to again user and carries out self-defined planning to electricity consumption, have application prospect more widely.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is that Novel double-loop is powered the schematic diagram of different pricing of electric power mechanism;
Fig. 2 is load classification, modeling, analysis process schematic diagram;
Fig. 3 is the theory diagram of double circuit power supply different pricing of electric power control system of the present invention.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
Embodiment 1
Fig. 1 is that Novel double-loop is powered the schematic diagram of pricing method of different pricing of electric power.
As shown in Figure 1, the pricing method of double circuit power supply different pricing of electric power of the present invention, comprises the steps:
Step S100, analyzes the power load of district's intra domain user, and assesses analysis result; Step S200, carries out the tentative control in two-circuit according to assessment result.
Fig. 2 is load classification, modeling, analysis process schematic diagram.
As shown in Figure 2, concrete, the method that the power load of described step S100 Zhong Dui district intra domain user carries out analyzing comprises: the power information of a large number of users in collecting zone; Classify (providing classification normative reference) to described power load, wherein a class is important load, and its normality is access conventional circuit; Another kind of is general load, and its normality directly controls loop for accessing, and directly can control the break-make of this type load, also manually can access conventional circuit.
In described step S100, the method that analysis result is assessed is comprised: step S110, load data analysis; Step S120, setting pricing model; And step S130, obtain Evaluated effect by emulation.
In described step S110, the method for load data analysis comprises:
Step S111, divided the electricity using at the peak time period, by electricity consumption Time segments division T peak, T paddy.
Step S112, the power consumption derivation of equation; Namely
P is total=and P tradition+P directly controls=(P tradition peak+P tradition paddy)+(P is directly controlled peak+P and directly controlled paddy).
Step S113, sets up two-circuit tou power price mathematical model.
Further, the method setting up two-circuit tou power price mathematical model in described step S113 comprises: after being suitable for directly controlling loop power-off to user, total load in a period of time detects, to judge that the load whether former access is directly controlled loop by user has accessed conventional circuit.
Such as, conventional circuit peak load P1, straight control loop peak load P2, after straight control loop is cut off in scheduling, sub-load may be accessed conventional circuit by user, and therefore, total load progressively rebounds it from P1
P1+P2* η, in formula, η is load amplitude coefficient, and can obtain by measuring power calculation, if power that is, over time rises to P3, then load amplitude coefficient η is (P3-P1)/P2.
The method setting pricing model in described step S120 comprises: the Accounting Principles setting two-circuit electricity price according to demand in the overall goal of side management and/or economics, namely the electricity price of conventional circuit is set higher than directly controlling the electricity price in loop wherein, dsm (DSM, Demand Side Management), refer under the support of government regulation and policy, take effective excitation and guiding measure and suitable function mode, pass through genco, grid company, ESCO, social intermediary, product vendor, power consumers etc. are pulled together jointly, improve terminal power consumption efficiency and change power mode, electric quantity consumption and electricity needs is reduced while meeting same Electricity Functional, reach and economize on resources and protection of the environment, realize social benefit best, each side is benefited, the management activity that least cost energy services is carried out.
Such as: electricity price during peak, conventional circuit is N1 unit/degree, and straight control loop is N2 unit/degree, N1>N2, and the margin of preference is ((N1-N2)/N1) * 100%; Electricity price during paddy, conventional circuit is M1 unit/degree, and straight control loop is M2 unit/degree, and M1>M2, the margin of preference is ((M1-M2)/M1) * 100%.Concrete enforcement comprises: such as electricity price during peak, and conventional circuit is 0.5583 yuan/degree, and straight control loop is 0.4083 yuan/degree, and the margin of preference is 26.9%; Electricity price during paddy, conventional circuit is 0.3583 yuan/degree, and straight control loop is 0.3083 yuan/degree, and the margin of preference is 14.0%.
Comprised by the method for emulation acquisition Evaluated effect in described step S130: the two-circuit electricity price according to setting carries out MATLAB numerical simulation, when objective function is peak, during load minimum, paddy, load is very big, the total electricity charge of user are minimum, and constraint condition is two-circuit electricity price, the objective function of emulation is multiple objective function, adopts weighting factor method to calculate; And simulation result is analyzed, draw tou power price and two-circuit tou power price power load curve, to verify that this two-circuit electricity price is to the effect of peak load shifting, and difference before and after comparing calculation demand charge.
As passing through the optional embodiment of another kind that emulation obtains the method for Evaluated effect in described step S130, the method can also comprise: user, power supply enterprise's interests and impact evaluation.
Described two-circuit is tentative to be controlled, punishing into two loops with ammeter and export namely user, i.e. conventional circuit and directly control loop; Wherein, described conventional circuit is suitable for accessing important load, and power supply reliability is higher, and tou power price is slightly high; Described straight control loop can Long-distance Control, and power supply reliability is lower, and tou power price is slightly low.
The method of described double circuit power supply different pricing of electric power mechanism also comprises: step S300, namely repeats step S100 and step S200; Concrete, then the power load trying the relative users controlling to obtain according to two-circuit is classified, and analysis result is assessed; The tentative control in two-circuit is carried out, until user obtains best power program again according to assessment result.
Embodiment 2
Fig. 3 is the theory diagram of double circuit power supply different pricing of electric power control system of the present invention.
As shown in Figure 1 to Figure 3, present invention also offers a kind of double circuit power supply different pricing of electric power control system, comprising:
Power load assessment unit, analyzes the power load of district's intra domain user, and assesses analysis result;
Control module is tried in two-circuit, carries out the tentative control in two-circuit according to assessment result.
Further, described power load assessment unit comprises:
Sort module, is suitable for classifying to described power load; Wherein a class is important load, and its normality is access conventional circuit; Another kind of is general load, and its normality directly controls loop for accessing.
Load data analysis module, divided the electricity using at the peak time period, the power consumption derivation of equation, and set up two-circuit tou power price mathematical model.
Pricing model module, according to the Accounting Principles setting two-circuit electricity price in the overall goal of DSM and economics.
Emulation module, two-circuit electricity price according to setting carries out MATLAB numerical simulation, and when objective function is peak, during load minimum, paddy, load is very big, the total electricity charge of user are minimum, and constraint condition is two-circuit electricity price, the objective function of emulation is multiple objective function, adopts weighting factor method to calculate; And simulation result is analyzed, draw tou power price and two-circuit tou power price power load curve, verify that this two-circuit electricity price is to the effect of peak load shifting, and difference before and after comparing calculation demand charge.
Control module is tried in described two-circuit, punishing into two loops with ammeter and export namely user, i.e. conventional circuit and directly control loop; Wherein, described conventional circuit is suitable for accessing important load, and power supply reliability is higher, and tou power price is slightly high; Described straight control loop can Long-distance Control, and power supply reliability is lower, and tou power price is slightly low.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on instructions, must determine its technical scope according to right.
Claims (10)
1. a pricing method for double circuit power supply different pricing of electric power, comprises the steps:
Step S100, analyzes the power load of district's intra domain user, and assesses analysis result;
Step S200, carries out the tentative control in two-circuit according to assessment result.
2. pricing method according to claim 1, is characterized in that, the method that the power load of described step S100 Zhong Dui district intra domain user carries out analyzing comprises: classify to described power load, wherein
One class is important load, and its normality is access conventional circuit;
Another kind of is general load, and its normality directly controls loop for accessing.
3. pricing method according to claim 2, is characterized in that, comprises in described step S100 to the method that analysis result is assessed:
Step S110, load data analysis;
Step S120, setting pricing model; And
Step S130, obtains Evaluated effect by emulation.
4. pricing method according to claim 3, is characterized in that, in described step S110, the method for load data analysis comprises:
Step S111, divided the electricity using at the peak time period;
Step S112, the power consumption derivation of equation; And
Step S113, sets up two-circuit tou power price mathematical model.
5. pricing method according to claim 4, it is characterized in that, the method setting up two-circuit tou power price mathematical model in described step S113 comprises: after being suitable for directly controlling loop power-off to user, total load in a period of time detects, to judge that the sub-load whether former access is directly controlled loop by user has accessed conventional circuit.
6. pricing method according to claim 5, it is characterized in that, the method setting pricing model in described step S120 comprises: the Accounting Principles setting two-circuit electricity price according to demand in the overall goal of side management and/or economics, namely sets the electricity price of electricity price higher than straight control loop of conventional circuit.
7. pricing method according to claim 6, it is characterized in that, comprised by the method for emulation acquisition Evaluated effect in described step S130: the two-circuit electricity price according to setting carries out MATLAB numerical simulation, when objective function is peak, during load minimum, paddy, load is very big, the total electricity charge of user are minimum, and constraint condition is two-circuit electricity price, the objective function of emulation is multiple objective function, adopts weighting factor method to calculate; And
Simulation result is analyzed, draws tou power price and two-circuit tou power price power load curve, to verify that this two-circuit electricity price is to the effect of peak load shifting, and difference before and after comparing calculation demand charge.
8. pricing method according to claim 7, is characterized in that, described two-circuit is tentative to be controlled, punishing into two loops with ammeter and export namely user, i.e. conventional circuit and directly control loop.
9. a double circuit power supply different pricing of electric power control system, is characterized in that, comprising:
Power load assessment unit, analyzes the power load of district's intra domain user, and assesses analysis result;
Control module is tried in two-circuit, carries out the tentative control in two-circuit according to assessment result.
10. double circuit power supply different pricing of electric power control system according to claim 9, is characterized in that,
Described power load assessment unit comprises:
Sort module, is suitable for classifying to described power load; Wherein a class is important load, and its normality is access conventional circuit; Another kind of is general load, and its normality directly controls loop for accessing;
Load data analysis module, divided the electricity using at the peak time period, the power consumption derivation of equation, and set up two-circuit tou power price mathematical model;
Pricing model module, according to the Accounting Principles setting two-circuit electricity price in the overall goal of DSM and economics;
Emulation module, two-circuit electricity price according to setting carries out MATLAB numerical simulation, and when objective function is peak, during load minimum, paddy, load is very big, the total electricity charge of user are minimum, and constraint condition is two-circuit electricity price, the objective function of emulation is multiple objective function, adopts weighting factor method to calculate; And simulation result is analyzed, draw tou power price and two-circuit tou power price power load curve, verify that this two-circuit electricity price is to the effect of peak load shifting, and difference before and after comparing calculation demand charge;
Control module is tried in described two-circuit, punishing into two loops with ammeter and export namely user, i.e. conventional circuit and directly control loop.
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