CN117134332A - Regional division method for virtual power plant operation simulation - Google Patents
Regional division method for virtual power plant operation simulation Download PDFInfo
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Abstract
The application provides a region dividing method for virtual power plant operation simulation, which comprises the following steps: acquiring input information and output information of a power plant to obtain operation information of the power plant; analyzing based on the operation information of the power plant, and respectively analyzing the input information and the output information to obtain an analysis result; dividing an input electric quantity loss value and an output electric quantity loss value in the analysis result, judging an input area and an output area according to the input electric quantity and the output electric quantity, and defining the input area and the output area as judgment results; receiving a judging result to divide a simulation area in the operation process of the power plant; the method is based on monitoring the power plant operation process, acquiring the operation information of the power plant, analyzing the power plant operation information, acquiring the loss data in the power plant operation process within the same time period, and dividing the power plant operation process into areas according to the loss data.
Description
Technical Field
The application relates to the technical field of power plant area division, in particular to an area division method for virtual power plant operation simulation.
Background
The virtual power plant is a power coordination management system which realizes the aggregation and coordination optimization of DERs (distributed devices) such as DGs, energy storage systems, controllable loads, electric vehicles and the like through advanced information communication technology and software systems, and is used as a special power plant to participate in the operation of an electric power market and a power grid. The core of the virtual power plant concept can be summarized as "communication" and "aggregation". Key technologies of the virtual power plant mainly comprise a coordination control technology, an intelligent metering technology and an information communication technology. The most attractive function of virtual power plants is to be able to aggregate the DER participation in the power market and auxiliary service market operations, providing management and auxiliary services for distribution and transmission networks.
In the prior art, in the running process of a virtual power plant, the area division is generally performed according to each control device in an electric field, only the division is performed simply, in the running process of the virtual power plant, the electric quantity loss of each device in the working process is different, and the effective division cannot be performed in the running process of the virtual power plant based on the electric quantity loss, so that the application provides an area division method for the running simulation of the virtual power plant.
Disclosure of Invention
Aiming at the defects of the prior art, the application aims to provide a regional division method for virtual power plant operation simulation.
In order to achieve the above object, the present application is realized by the following technical scheme: the regional division method for the virtual power plant operation simulation is characterized by comprising the following specific steps of:
step S1: acquiring input information and output information of a power plant to obtain operation information of the power plant;
step S2: analyzing based on the operation information of the power plant, and respectively analyzing the input information and the output information to obtain an analysis result;
step S3: dividing an input electric quantity loss value and an output electric quantity loss value in the analysis result, judging an input area and an output area according to the input electric quantity and the output electric quantity, and defining the input area and the output area as judgment results;
step S4: and receiving a judging result to divide a simulation area in the operation process of the power plant.
Further, in the step S1, input information in the operation information of the power plant is obtained, and the specific steps are as follows:
step 11: monitoring the running state of the power plant in the period of T, and acquiring current information, time information and electric quantity change information in the running process of the power plant;
step 12: acquiring input current and output current in the operation process of the power plant in the t time period, acquiring the input current and the output current, acquiring an input current value and input times, and acquiring a time value corresponding to the current value when each time is input;
step 13: sequentially acquiring current values input each time, dividing the same current into a group, acquiring a group of currents, and summing time values in the production process of each group of currents to obtain a total production time value;
step 14: and respectively acquiring the total production time values of the first group of currents to the a-th group of currents, acquiring each group of electric quantity according to the current values and the total time values to obtain the a-th group of electric quantity, defining the acquired a-th group of electric quantity as input information, and acquiring output information in the power plant operation information after the input information is acquired.
Further, in the step 14, output information in the operation information of the power plant is obtained, and the specific steps are as follows:
step 141: obtaining an output current value and output current times, and obtaining a time value corresponding to each output current value;
step 142: sequentially obtaining the current values output each time, dividing the same current into one group, obtaining b groups of currents, and summing the time values in the production process of each group of currents to obtain a total production time value;
step 143: respectively obtaining the total production time values of the first group of currents to the b group of currents, and obtaining each group of electric quantity according to the current values and the total time values to obtain the b group of electric quantity;
step 144: defining the acquired b groups of electric quantity as output information; the output information and the input information are referred to as power plant operation information.
Further, in the step S2, the analysis result is obtained, which specifically includes the following steps:
step S21: acquiring a real-time electric quantity value of a power plant, and acquiring an electric quantity value of each time point;
step S22: acquiring a time point and electric quantity corresponding to the first group of input currents, acquiring the change of a real-time electric quantity value at the corresponding time point, acquiring the number of times of change of the real-time electric quantity value according to the number of the first group of currents, and summing the change values when each change occurs to obtain a first electric quantity change total value; obtaining a first input electric quantity loss value for the electric quantity obtained by the first electric quantity change total value and the first group of input currents;
step S23: sequentially acquiring time points and electric quantity corresponding to the second group to the a-th group of input currents, and acquiring a second input electric quantity loss value to an a-th input electric quantity loss value;
step S24: acquiring a time point and electric quantity when the current is output for the first time, acquiring the change of a real-time electric quantity value at a corresponding time point, acquiring the number of times of change of the real-time electric quantity value according to the number of the first group of currents, and summing the change values when each change is performed to obtain a first electric quantity change total value; obtaining a first output electric quantity loss value for the electric quantity obtained by the first electric quantity change total value and the first group of input currents;
step S25: and sequentially acquiring the time points and the electric quantity corresponding to the output currents of the second group to the b group, acquiring a second output electric quantity loss value to an a output electric quantity loss value, and defining the acquired input electric quantity loss value and output electric quantity loss value as analysis results.
Further, the second to a-th input power loss values include a second input power loss value, a third input power loss value, a fourth input power loss value, a fifth input power loss value, … …, a-th input power loss value;
the second to a-th output power loss values include a second output power loss value, a third output power loss value, a fourth output power loss value, a fifth output power loss value, … …, and a-th output power loss value.
Further, when the region division is performed, the specific steps are as follows:
step S41: based on the judgment result, arranging the input electric quantity loss values in the input area in the judgment result in order from small to large;
step S42: the method comprises the steps of dividing an input low-power consumption area, an input medium-power consumption area and an input high-power consumption area according to input power values.
Further, when the region division is performed, the method further comprises the following steps:
step S43: according to the output electric quantity loss values in the output area in the judging result, arranging the output electric quantity loss values in the order from small to large;
step S44: and dividing the output power into an output low power consumption area, an output middle power consumption area and an output high power consumption area according to the output power value.
The application has the beneficial effects that:
1. the method is based on monitoring the power plant operation process, acquiring the operation information of the power plant, analyzing the power plant operation information, acquiring the loss data in the power plant operation process within the same time period, and dividing the power plant operation process into areas according to the loss data.
2. When the power consumption is acquired, the current in the circuit is acquired according to the power difference of each control device according to the current change condition, different devices are distinguished according to different currents, the current change in a period of time is acquired according to the different running time of the same device in different time periods, the power in the circuit is acquired, the input and output power is acquired according to the monitoring of the different time periods in the circuit, the power is acquired according to the operation of the same device in the different time periods, the difference is obtained according to the acquired power and the calculated power, the power consumption value is acquired, and the accuracy of the power consumption value acquisition is improved.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a method step diagram of a zoning method for virtual power plant operation simulation of the present application;
FIG. 2 is a functional block diagram of a zoning method for virtual power plant operation simulation according to the present application.
Detailed Description
The application is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the application easy to understand.
In the application, referring to fig. 2, a region dividing method for virtual power plant operation simulation includes a power plant information acquisition module, a power plant information analysis module, a region dividing module, a judging module and a server, wherein the power plant information acquisition module, the power plant information analysis module, the region dividing module and the judging module are respectively connected with the server in data;
in the embodiment, a power plant information acquisition module acquires input information and output information of a power plant to obtain power plant operation information;
the power plant operation information is acquired specifically as follows:
monitoring the running state of the power plant in the period of T, and acquiring current information, time information and electric quantity change information in the running process of the power plant;
acquiring input current and output current in the operation process of the power plant in the t time period, acquiring the input current and the output current, acquiring an input current value and input times, and acquiring a time value corresponding to the current value when each time is input;
sequentially acquiring current values input each time, dividing the same current into a group, acquiring a group of currents, summing time values in the production process of each group of currents to obtain a total production time value, respectively acquiring the total production time values of the first group of currents to the a group of currents, acquiring each group of electric quantity according to the current values and the total time value to obtain a group of electric quantity, and defining the acquired a group of electric quantity as input information;
obtaining an output current value and output current times, and obtaining a time value corresponding to each output current value;
sequentially acquiring current values output each time, dividing the same current into a group, acquiring b groups of currents, summing time values in the production process of each group of currents to obtain a total production time value, respectively acquiring the total production time values of the first group of currents to the b groups of currents, acquiring each group of electric quantity according to the current values and the total time value to obtain b groups of electric quantity, and defining the acquired b groups of electric quantity as output information; the output information and the input information are called power plant operation information;
it should be noted that: a and b are positive integers;
the power plant operation information is transmitted to a power plant analysis module, the power plant analysis module receives the power plant operation information for analysis, and the input information and the output information are respectively analyzed to obtain analysis results;
the power plant analysis module acquires the real-time electric quantity value of the power plant based on the server, and acquires the electric quantity value of each time point;
acquiring a time point and electric quantity corresponding to the first group of input currents, acquiring the change of a real-time electric quantity value at the corresponding time point, acquiring the number of times of change of the real-time electric quantity value according to the number of the first group of currents, and summing the change values when each change occurs to obtain a first electric quantity change total value; obtaining a first input electric quantity loss value for the electric quantity obtained by the first electric quantity change total value and the first group of input currents;
sequentially acquiring time points and electric quantity corresponding to the second group to the a-th group of input currents, and acquiring a second input electric quantity loss value to an a-th input electric quantity loss value;
acquiring a time point and electric quantity when the current is output for the first time, acquiring the change of a real-time electric quantity value at a corresponding time point, acquiring the number of times of change of the real-time electric quantity value according to the number of the first group of currents, and summing the change values when each change is performed to obtain a first electric quantity change total value; obtaining a first output electric quantity loss value for the electric quantity obtained by the first electric quantity change total value and the first group of input currents;
sequentially obtaining time points and electric quantity corresponding to the second group to the b group of output currents, and obtaining a second output electric quantity loss value to an a output electric quantity loss value;
it should be noted that: the second output electric quantity loss value to the a-th output electric quantity loss value are the second output electric quantity loss value, the third output electric quantity loss value, the fourth output electric quantity loss value, … … and the a-th output electric quantity loss value;
defining the acquired input power consumption value and output power consumption value as analysis results;
the judging module judges the power plant area according to the analysis result to obtain a judging result;
when the judgment result is obtained, the specific steps are as follows:
dividing an input electric quantity loss value and an output electric quantity loss value in an analysis result, judging an input area and an output area according to the input electric quantity and the output electric quantity, and defining the input area and the output area as judgment results
And the judging result is transmitted to the regional division module, and the regional division module receives the judging result to divide the simulation region in the operation process of the power plant.
In the case of region division, the following is specifically mentioned:
based on the judgment result, the input electric quantity loss values in the input area in the judgment result are arranged in order from small to large, the input electric quantity values are sequentially divided into an input low electric quantity loss area, an input middle electric quantity loss area and an input high electric quantity loss area, the output electric quantity loss values in the output area in the judgment result are arranged in order from small to large, and the input electric quantity values are sequentially divided into an output low electric quantity loss area, an output middle electric quantity loss area and an output high electric quantity loss area.
Referring to fig. 1, in the application, a region division method for virtual power plant operation simulation specifically includes the following steps when power control is performed:
step S1: acquiring input information and output information of a power plant to obtain operation information of the power plant;
the method comprises the following specific steps of:
step S11: monitoring the running state of the power plant in the period of T, and acquiring current information, time information and electric quantity change information in the running process of the power plant;
step S12: acquiring input current and output current in the operation process of the power plant in the t time period, acquiring the input current and the output current, acquiring an input current value and input times, and acquiring a time value corresponding to the current value when each time is input;
step S13: sequentially acquiring current values input each time, dividing the same current into a group, acquiring a group of currents, summing time values in the production process of each group of currents to obtain a total production time value, respectively acquiring the total production time values of the first group of currents to the a group of currents, acquiring each group of electric quantity according to the current values and the total time value to obtain a group of electric quantity, and defining the acquired a group of electric quantity as input information;
step S14: obtaining an output current value and output current times, and obtaining a time value corresponding to each output current value;
step S15: sequentially acquiring current values output each time, dividing the same current into a group, acquiring b groups of currents, summing time values in the production process of each group of currents to obtain a total production time value, respectively acquiring the total production time values of the first group of currents to the b groups of currents, acquiring each group of electric quantity according to the current values and the total time value to obtain b groups of electric quantity, and defining the acquired b groups of electric quantity as output information; the output information and the input information are referred to as power plant operation information.
Step S2: analyzing based on the operation information of the power plant, and respectively analyzing the input information and the output information to obtain an analysis result;
the analysis result is obtained, and the specific steps are as follows:
step S21: acquiring a real-time electric quantity value of a power plant, and acquiring an electric quantity value of each time point;
step S22: acquiring a time point and electric quantity corresponding to the first group of input currents, acquiring the change of a real-time electric quantity value at the corresponding time point, acquiring the number of times of change of the real-time electric quantity value according to the number of the first group of currents, and summing the change values when each change occurs to obtain a first electric quantity change total value; obtaining a first input electric quantity loss value for the electric quantity obtained by the first electric quantity change total value and the first group of input currents;
step S23: sequentially acquiring time points and electric quantity corresponding to the second group to the a-th group of input currents, and acquiring a second input electric quantity loss value to an a-th input electric quantity loss value;
step S24: acquiring a time point and electric quantity when the current is output for the first time, acquiring the change of a real-time electric quantity value at a corresponding time point, acquiring the number of times of change of the real-time electric quantity value according to the number of the first group of currents, and summing the change values when each change is performed to obtain a first electric quantity change total value; obtaining a first output electric quantity loss value for the electric quantity obtained by the first electric quantity change total value and the first group of input currents;
step S25: and sequentially acquiring the time points and the electric quantity corresponding to the output currents of the second group to the b group, acquiring a second output electric quantity loss value to an a output electric quantity loss value, and defining the acquired input electric quantity loss value and output electric quantity loss value as analysis results.
Step S3: dividing an input electric quantity loss value and an output electric quantity loss value in the analysis result, judging an input area and an output area according to the input electric quantity and the output electric quantity, and defining the input area and the output area as judgment results;
step S4: and receiving a judging result to divide a simulation area in the operation process of the power plant.
When the region division is carried out, the specific steps are as follows:
step S41: based on the judgment result, arranging the input electric quantity loss values in the input area in the judgment result in order from small to large;
step S42: the method comprises the steps of dividing an input electric quantity value into an input low electric quantity loss area, an input middle electric quantity loss area and an input high electric quantity loss area in sequence:
step S43: according to the output electric quantity loss values in the output area in the judging result, arranging the output electric quantity loss values in the order from small to large;
step S44: and dividing the output power into an output low power consumption area, an output middle power consumption area and an output high power consumption area according to the output power value.
The above formulas are all formulas for removing dimensions and taking numerical calculation, the formulas are formulas for obtaining the latest real situation by collecting a large amount of data and performing software simulation, preset parameters in the formulas are set by a person skilled in the art according to the actual situation, if weight coefficients and proportion coefficients exist, the set sizes are specific numerical values obtained by quantizing the parameters, the subsequent comparison is convenient, and the proportional relation between the weight coefficients and the proportion coefficients is not influenced as long as the proportional relation between the parameters and the quantized numerical values is not influenced.
In the foregoing embodiments of the present application, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media having computer-usable program code embodied therein.
The above examples are only specific embodiments of the present application, and are not intended to limit the scope of the present application, but it should be understood by those skilled in the art that the present application is not limited thereto, and that the present application is described in detail with reference to the foregoing examples: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (7)
1. The regional division method for the virtual power plant operation simulation is characterized by comprising the following specific steps of:
step S1: acquiring input information and output information of a power plant to obtain operation information of the power plant;
step S2: analyzing based on the operation information of the power plant, and respectively analyzing the input information and the output information to obtain an analysis result;
step S3: dividing an input electric quantity loss value and an output electric quantity loss value in the analysis result, judging an input area and an output area according to the input electric quantity and the output electric quantity, and defining the input area and the output area as judgment results;
step S4: and receiving a judging result to divide a simulation area in the operation process of the power plant.
2. The method for regional division for virtual power plant operation simulation according to claim 1, wherein in step S1, input information in power plant operation information is acquired, and the specific steps are as follows:
step 11: monitoring the running state of the power plant in the period of T, and acquiring current information, time information and electric quantity change information in the running process of the power plant;
step 12: acquiring input current and output current in the operation process of the power plant in the t time period, acquiring the input current and the output current, acquiring an input current value and input times, and acquiring a time value corresponding to the current value when each time is input;
step 13: sequentially acquiring current values input each time, dividing the same current into a group, acquiring a group of currents, and summing time values in the production process of each group of currents to obtain a total production time value;
step 14: and respectively acquiring the total production time values of the first group of currents to the a-th group of currents, acquiring each group of electric quantity according to the current values and the total time values to obtain the a-th group of electric quantity, defining the acquired a-th group of electric quantity as input information, and acquiring output information in the power plant operation information after the input information is acquired.
3. The method for regional division for virtual power plant operation simulation according to claim 1, wherein in step 14, the output information in the power plant operation information is obtained, and the specific steps are as follows:
step 141: obtaining an output current value and output current times, and obtaining a time value corresponding to each output current value;
step 142: sequentially obtaining the current values output each time, dividing the same current into one group, obtaining b groups of currents, and summing the time values in the production process of each group of currents to obtain a total production time value;
step 143: respectively obtaining the total production time values of the first group of currents to the b group of currents, and obtaining each group of electric quantity according to the current values and the total time values to obtain the b group of electric quantity;
step 144: defining the acquired b groups of electric quantity as output information; the output information and the input information are referred to as power plant operation information.
4. The method for regional division for virtual power plant operation simulation according to claim 1, wherein in the step S2, the analysis result is obtained, and the specific steps are as follows:
step S21: acquiring a real-time electric quantity value of a power plant, and acquiring an electric quantity value of each time point;
step S22: acquiring a time point and electric quantity corresponding to the first group of input currents, acquiring the change of a real-time electric quantity value at the corresponding time point, acquiring the number of times of change of the real-time electric quantity value according to the number of the first group of currents, and summing the change values when each change occurs to obtain a first electric quantity change total value; obtaining a first input electric quantity loss value for the electric quantity obtained by the first electric quantity change total value and the first group of input currents;
step S23: sequentially acquiring time points and electric quantity corresponding to the second group to the a-th group of input currents, and acquiring a second input electric quantity loss value to an a-th input electric quantity loss value;
step S24: acquiring a time point and electric quantity when the current is output for the first time, acquiring the change of a real-time electric quantity value at a corresponding time point, acquiring the number of times of change of the real-time electric quantity value according to the number of the first group of currents, and summing the change values when each change is performed to obtain a first electric quantity change total value; obtaining a first output electric quantity loss value for the electric quantity obtained by the first electric quantity change total value and the first group of input currents;
step S25: and sequentially acquiring the time points and the electric quantity corresponding to the output currents of the second group to the b group, acquiring a second output electric quantity loss value to an a output electric quantity loss value, and defining the acquired input electric quantity loss value and output electric quantity loss value as analysis results.
5. The method for regional division for virtual power plant operation simulation as recited in claim 4, wherein the second to a-th input power loss values include a second, a third, a fourth, a fifth, a … …, a-th input power loss value;
the second to a-th output power loss values include a second output power loss value, a third output power loss value, a fourth output power loss value, a fifth output power loss value, … …, and a-th output power loss value.
6. The method for regional division for virtual power plant operation simulation according to claim 1, wherein the specific steps when the regional division is performed are as follows:
step S41: based on the judgment result, arranging the input electric quantity loss values in the input area in the judgment result in order from small to large;
step S42: the method comprises the steps of dividing an input low-power consumption area, an input medium-power consumption area and an input high-power consumption area according to input power values.
7. The method for zoning simulation of virtual power plant operation according to claim 6, further comprising the steps of:
step S43: according to the output electric quantity loss values in the output area in the judging result, arranging the output electric quantity loss values in the order from small to large;
step S44: and dividing the output power into an output low power consumption area, an output middle power consumption area and an output high power consumption area according to the output power value.
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