CN118054483B - Clean energy complementary power generation platform - Google Patents
Clean energy complementary power generation platform Download PDFInfo
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- CN118054483B CN118054483B CN202410450972.4A CN202410450972A CN118054483B CN 118054483 B CN118054483 B CN 118054483B CN 202410450972 A CN202410450972 A CN 202410450972A CN 118054483 B CN118054483 B CN 118054483B
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- 238000010248 power generation Methods 0.000 title claims abstract description 42
- 230000000295 complement effect Effects 0.000 title claims abstract description 11
- 238000004146 energy storage Methods 0.000 claims abstract description 82
- 238000013480 data collection Methods 0.000 claims abstract description 22
- 238000005070 sampling Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims description 27
- 230000007613 environmental effect Effects 0.000 claims description 11
- 238000005286 illumination Methods 0.000 claims description 4
- 239000002699 waste material Substances 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 description 3
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
- H02J3/466—Scheduling the operation of the generators, e.g. connecting or disconnecting generators to meet a given demand
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/004—Generation forecast, e.g. methods or systems for forecasting future energy generation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering with light sensitive cells
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Abstract
The invention relates to the field of clean energy power generation, and discloses a clean energy complementary power generation platform which comprises a multi-element power supply unit, a load unit and a control unit; the multi-element power supply unit comprises a wind power unit, a photovoltaic unit and an energy storage unit, and the control unit comprises: the system comprises a data collection module, a data processing module and a power supply management module, wherein sampling data are collected through the data collection module, the data processing module comprehensively analyzes the sampling data on a remote computer through software to generate a preset power supply strategy and sends the preset power supply strategy to the power supply management module, and the power supply management module controls the power supply states of a wind power unit, an energy storage unit and a photovoltaic unit according to the preset power supply strategy; the wind power unit, the energy storage unit and the photovoltaic unit can be prepared in advance according to a preset power supply strategy, so that the waste of electric energy is reduced, and meanwhile, the power supply voltage required by the load unit is timely provided, so that the power supply voltage of the load unit is more stable.
Description
Technical Field
The invention relates to the field of clean energy power generation, in particular to a clean energy complementary power generation platform.
Background
The clean energy complementary power generation system mainly comprises a wind power generator set and a solar power generator set, and in order to provide stable power supply for loads and improve the utilization rate of each clean energy, an energy storage unit is generally used for adjustment; when the total power of each clean energy source is larger than the power required by the load, redundant electric energy is stored in the energy storage unit, and when the total power of each clean energy source is smaller than the power required by the load, the energy storage unit also provides the power for the load, so that the load obtains more stable power.
However, clean energy is greatly affected by environmental factors, and the real-time generated power is greatly changed, so that the adjustment is required according to the required power supply of the load and the total generated power of each clean energy in real time, when the change is large, the power supply of the load is difficult to provide for the load just required power supply in time, the power supply of the load still has a small fluctuation, and certain electric energy waste can be caused.
Disclosure of Invention
The invention aims to provide a clean energy complementary power generation platform, which solves the following technical problems:
How to provide more stable power supply to the load and reduce the waste of electric energy.
The aim of the invention can be achieved by the following technical scheme:
The clean energy complementary power generation platform comprises a multi-element power supply unit, a load unit and a control unit;
the multi-element power supply unit includes:
the wind power unit is respectively connected with the load unit and the control unit;
the photovoltaic unit is respectively connected with the load unit and the control unit;
The energy storage unit is respectively connected with the wind power unit, the photovoltaic unit, the load unit and the control unit;
The control unit includes:
the data collection module is used for acquiring sampling data and sending the sampling data to the data processing module;
The data processing module is used for comprehensively analyzing the sampled data, generating a power supply adjustment strategy and storing historical data;
the power supply management module is used for controlling the power supply states of the wind power unit, the energy storage unit and the photovoltaic unit according to a power supply adjustment strategy;
The sampling data comprise weather forecast data, real-time environmental sunlight intensity, environmental temperature, wind speed, wind power unit state parameter data, photovoltaic unit state parameter data, energy storage unit state parameter data and load state parameter data.
As a further scheme of the invention: the working process of the control unit is as follows:
s1: the data collection module acquires weather forecast data of the current day on the previous day and sends the weather forecast data to the data processing module;
s2: the data processing module comprehensively analyzes the predicted meteorological parameters and the predicted consumption power of the load calculated by the historical data to determine a preset power supply strategy on the same day, and sends the preset power supply strategy to the power supply management module;
s3: the power supply management module controls the photovoltaic unit, the wind power unit and the energy storage unit to supply power according to a preset power supply strategy;
s4: the data collection module acquires real-time electric energy data of the load unit and calculates the power supply standard rate;
S5: determining a power supply adjustment strategy according to a power supply standard rate result;
S6: the power supply management module adjusts the photovoltaic unit, the wind power unit and the energy storage unit according to a power supply adjustment strategy and supplies power to the next whole point according to a preset power supply strategy; repeating steps S3-S6.
As a further scheme of the invention: the analysis process of the photovoltaic unit forecast generated power comprises the following steps:
by the formula Calculating to obtain the generated power/>, of the ith integral period of the predicted light Fu Shanyuan；WhereinThe solar intensity is predicted for the ith integer,For presetting average sunlight intensity,Predicting average solar intensity for history over a preset period of time,The historical actual average sunlight intensity in the past preset time period; /(I)Predicting temperature for the ith integer,Is a preset average temperature; predicting an average temperature for a history over a preset period of time,/> The historical actual average temperature in the past preset time period is obtained; /(I)Preset average sunlight intensity/>, for the photovoltaic panelPreset average temperatureAnd a preset incident anglePower generation per-Is the illumination coefficient,Is the attenuation coefficient of the photovoltaic unit.
As a further scheme of the invention: the analysis process of the load unit prediction consumed power comprises the following steps:
by the formula Calculating the predicted power consumption/>, of the load unit of the ith integer time period；
Wherein,The average temperature value with the lowest single-day power consumption of the load units in the annual historical data; /(I)ForAverage power consumption of corresponding load units at temperature,For the growth rate of load units,To adjust the coefficients.
As a further scheme of the invention: the analysis process of the wind power unit prediction consumed power comprises the following steps:
by the formula Calculating to obtain the predicted power generation/>, of the wind power unit in the ith integral time period；
Wherein,For the predicted wind speed corresponding to the historical predicted average wind intensity in the past preset time period,For the historical actual average wind speed in the past preset time period,Wind speed corresponding to wind intensity predicted for the ith integer time period,For a preset wind speed, C is a preset constant,For the power generated by the wind power unit at the preset wind speed,To use coefficients.
As a further scheme of the invention: the analysis process of the preset power supply strategy comprises the following steps:
When (when) When the wind power generation device is used, power is supplied through the photovoltaic unit, redundant electric energy of the photovoltaic unit is stored in the energy storage unit, the wind power unit is connected with the energy storage unit, and the electric energy of the wind power unit is stored in the energy storage unit;
When (when) At the same timeWhen the power supply device is used, the photovoltaic unit, the energy storage unit and the wind power unit are combined to supply power to the load unit;
When (when) At the same timeWhen the wind power generation device is used, the load unit is powered by the photovoltaic unit and the wind power unit, the wind power unit is connected with the energy storage unit, and the wind power unit stores redundant electric energy into the energy storage unit;
When (when) AndWhen the wind power generation device is used, the wind power unit supplies power to the load unit, and redundant electric quantity of the wind power unit is stored in the energy storage unit; the photovoltaic unit is disconnected with the load unit;
When (when) AndWhen the wind power unit supplies power to the energy storage unit, the photovoltaic unit is disconnected with the load unit;
Wherein, Is the power consumption required when the photovoltaic unit inverter is started.
As a further scheme of the invention: the power supply standard rate calculating process comprises the following steps of:
by the formula Calculating the real-time power supply standard rate；
Wherein,For the power supply of the wind power unit, the photovoltaic unit and the energy storage unit to the load unit according to the preset power supply strategyPower is actually consumed for the load unit.
As a further scheme of the invention: the analysis process of the power supply adjustment strategy comprises the following steps:
Standard rate of power supply And preset valueAnd (3) performing comparison:
If it is When the power supply strategy is executed, continuing to execute according to the current power supply strategy;
If it is In the process, the real-time actual power generation power/> of the photovoltaic unit is obtainedAnd predicted power generation/>, corresponding to the time，
If it isWhen the load unit is powered by the photovoltaic unit and the wind power unit, the power supply strategy is adjusted to be combined power supply of the photovoltaic unit, the wind power unit and the energy storage unit;
If it is When power is supplied only through the photovoltaic unit, the power supply strategy is adjusted to be combined power supply of the photovoltaic unit and the energy storage unit, the wind power unit is connected with the energy storage unit, and electric energy of the wind power unit is stored in the energy storage unit;
If it is When power is supplied only through the photovoltaic unit, the power supply strategy is adjusted to be combined power supply of the photovoltaic unit and the energy storage unit, the wind power unit is connected with the energy storage unit, and electric energy of the wind power unit is stored in the energy storage unit;
If it is When the wind power unit is used for supplying power to the load unit, the power supply strategy is adjusted to the combined power supply of the wind power unit and the energy storage unit;
After adjustment, the power supply standard rate is calculated again ；
When (when)When the power supply strategy is executed, continuing to execute according to the current power supply strategy;
When (when) And when the device is in use, an early warning is sent out to remind a worker to overhaul.
The invention has the beneficial effects that:
The invention collects sampling data through the data collection module, and generates a preset power supply strategy through the sampling data, so that the power supply management module controls the power supply states of the wind power unit, the energy storage unit and the photovoltaic unit according to the preset power supply strategy; the wind power unit, the energy storage unit and the photovoltaic unit can be prepared in advance according to a preset power supply strategy, waste of electric energy is reduced, meanwhile, power supply voltage required by the load unit is timely provided, the power supply voltage of the load unit is more stable, sampling data are collected through the data collection module, the power supply standard rate of the load unit is calculated, the power supply strategy is adjusted according to the fact that the standard rate is lower, the adjustment times of the power supply strategy are reduced, the adjustment range is small, and electric energy consumed in the process of adjusting the strategy is reduced.
According to the invention, the accuracy of the prediction is improved by substituting the accuracy of the historical prediction data and the actual data into the calculated wind power unit prediction power consumption, the photovoltaic unit prediction power consumption and the load unit prediction power consumption, the power supply standard reaching rate of the load unit is improved, the power supply strategy adjustment times are reduced, the adjustment range is made small, and the electric energy consumed in the strategy adjustment is reduced.
Drawings
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic block diagram of a power generation platform according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the invention relates to a clean energy complementary power generation platform, which comprises a multi-element power supply unit, a load unit and a control unit;
the multi-element power supply unit includes:
the wind power unit is respectively connected with the load unit and the control unit;
the photovoltaic unit is respectively connected with the load unit and the control unit;
The energy storage unit is respectively connected with the wind power unit, the photovoltaic unit, the load unit and the control unit;
The control unit includes:
the data collection module is used for obtaining sampling data;
The data processing module is used for comprehensively analyzing the sampled data, generating a power supply adjustment strategy and storing historical data;
The power supply management module is used for controlling the power supply states of the wind power unit, the energy storage unit and the photovoltaic unit according to a preset power supply strategy;
Through the technical scheme: optimizing a power distribution strategy, collecting sampling data through a data collecting module, comprehensively analyzing the sampling data on a remote computer through software by a data processing module to generate a preset power supply strategy, and sending the preset power supply strategy to a power supply management module, wherein the power supply management module controls the power supply states of a wind power unit, an energy storage unit and a photovoltaic unit according to the preset power supply strategy; the wind power unit, the energy storage unit and the photovoltaic unit can be prepared in advance according to a preset power supply strategy, so that the waste of electric energy is reduced, meanwhile, the power supply voltage required by the load unit is timely provided, the power supply voltage of the load unit is more stable, the sampling data are collected through the data collection module to calculate the power supply standard rate of the load unit, the power supply strategy is adjusted according to the condition that the standard rate is lower, the adjustment times of the power supply strategy are reduced, the adjustment range is small, and the electric energy consumed in the process of adjusting the strategy is reduced;
As one embodiment of the present invention, the sampling data includes weather forecast data, real-time environmental solar intensity, environmental temperature, wind speed, wind power unit state parameter data, photovoltaic unit state parameter data, energy storage unit state parameter data, and load state parameter data;
According to the technical scheme, the weather forecast data of the same day are obtained by the data collection module, specifically, the weather forecast data comprise the temperature, sunlight intensity and wind intensity of each whole time of the same day on the previous day by the weather bureau management system; the solar energy and wind speed measuring device can be respectively arranged on the photovoltaic unit to respectively acquire the environmental sunlight intensity, the environmental temperature and the wind speed in real time; the method comprises the steps that electric energy detection assemblies are respectively installed in a wind power unit, an energy storage unit, a photovoltaic unit and a load unit, and electric energy information of the wind power unit, the energy storage unit, the photovoltaic unit and the load unit is monitored in real time; determining a preset power supply strategy by combining weather forecast data with historical data, and calculating the power supply standard rate of the load unit by real-time electric energy detection data;
as an embodiment of the present invention, the control unit operates as follows:
s1: the data collection module acquires weather forecast data of the current day on the previous day and sends the weather forecast data to the data processing module;
s2: the data processing module comprehensively analyzes the predicted meteorological parameters and the predicted consumption power of the load calculated by the historical data to determine a preset power supply strategy on the same day, and sends the preset power supply strategy to the power supply management module;
s3: the power supply management module controls the photovoltaic unit, the wind power unit and the energy storage unit to supply power according to a preset power supply strategy;
s4: the data collection module acquires real-time electric energy data of the load unit and calculates the power supply standard rate;
S5: determining a power supply adjustment strategy according to a power supply standard rate result;
S6: the power supply management module adjusts the photovoltaic unit, the wind power unit and the energy storage unit according to a power supply adjustment strategy and supplies power to the next whole point according to the current power supply strategy; repeating the steps S3-S6;
According to the technical scheme, in the working process of the control unit, firstly, weather forecast data of the current day are obtained by the data collection module of the data collection module in the previous day and are sent to the data processing module; the data processing module comprehensively analyzes the predicted meteorological parameters and the predicted consumption power of the load calculated by the historical data to determine a preset power supply strategy on the same day, and sends the preset power supply strategy to the power supply management module; the power supply management module controls the photovoltaic unit, the wind power unit and the energy storage unit to supply power according to a preset power supply strategy; the data collection module acquires the real-time environmental sunlight intensity, the environment temperature and the wind speed on the same day and stores the environmental sunlight intensity, the environment temperature and the wind speed in the data processing module, so that the data are stored in historical data, the later predicted data are more similar to actual data, the data collection module sends the real-time wind power unit state parameter data, the photovoltaic unit state parameter data, the energy storage unit state parameter data and the load state parameter data to the data processing module to calculate the power supply standard rate, and the power supply adjustment strategy is determined according to the standard rate; the power supply management module adjusts the photovoltaic unit, the wind power unit and the energy storage unit to the next integral point according to a power supply adjustment strategy, and repeats the steps S3-S6; calculating the standard reaching rate of each time period of a preset power supply strategy, and comparing data before and after adjustment, and accurately adjusting each adjustment coefficient for a worker to serve as a reference;
as one embodiment of the present invention, the analysis process of the photovoltaic unit predicted generated power is:
by the formula Calculating to obtain the generated power/>, of the ith integral period of the predicted light Fu Shanyuan；WhereinThe solar intensity is predicted for the ith integer,For presetting average sunlight intensity,Predicting average solar intensity for history over a preset period of time,The historical actual average sunlight intensity in the past preset time period; /(I)Predicting temperature for the ith integer,Is a preset average temperature; predicting an average temperature for a history over a preset period of time,/> The historical actual average temperature in the past preset time period is obtained; /(I)Preset average sunlight intensity/>, for the photovoltaic panelPreset average temperatureAnd a preset incident anglePower generation per-Is the illumination coefficient,Is the attenuation coefficient of the photovoltaic unit;
Through the technical scheme, the embodiment obtains the i-th integral point predicted sunlight intensity of the day through the data collection module I < th > integral point predicted temperatureThus passing through the formulaCalculating to obtain the generated power/>, of the ith integral period of the predicted light Fu Shanyuan; According toThe accuracy of predicting the sunlight intensity and the temperature in the past preset time can be obtained, and the calculated power generation power/>, of the photovoltaic unit is improvedAccuracy of photovoltaic unit power generationIncreases with the increase of the sunlight intensity, but after the sunlight intensity reaches a certain value, the generated powerGradually decreasing the increase in (a); when (when)At the time of power generationDecrease, whenAt the time of power generationAn increase;
the illumination coefficient is used Obtaining according to longitude and latitude information, altitude information and model of the photovoltaic unit; photovoltaic cell attenuation coefficientObtained according to the model number and the service life of the photovoltaic unit,The settings are selected based on empirical data and are not described in detail herein;
As one embodiment of the present invention, the analysis process of the predicted power consumption of the load unit is:
by the formula Calculating to obtain the predicted power generation/>, of the wind power unit in the ith integral time period；
Wherein,The average temperature value with the lowest single-day power consumption of the load units in the annual historical data; For/> Average power consumption of corresponding load units at temperature,For the growth rate of load units,For adjusting the coefficients;
Through the technical scheme, the embodiment obtains the i-th integral point predicted temperature of the current day through the data collection module Obtaining the average temperature value with lowest daily power consumption of the load unit in the annual historical data through the historical dataAnd a temperature ofWhen the average consumption power/>, of the corresponding load unitsThus passing through the formulaCalculating the predicted power consumption/>, of the load unit of the ith integer time period; According toThe accuracy of the predicted temperature in the past preset time can be obtained, and the predicted power consumption/>, of the calculation load unit is improvedAccuracy ofThe larger the predicted power consumption of the load unitThe more; /(I)The larger the difference in load cell's predicted power consumptionThe smaller the increase in (2);
The adjustment coefficient is used Depending on whether the setting is made for a workday, the rate of increase of the load cellAnd adjustment coefficientAcquired through historical data, not described in detail herein;
as an embodiment of the present invention, the analysis process of the wind power unit prediction power consumption is:
by the formula Calculating to obtain the predicted power generation/>, of the wind power unit in the ith integral time period；
Wherein,For the predicted wind speed corresponding to the historical predicted average wind intensity in the past preset time period,For the historical actual average wind speed in the past preset time period,Wind speed corresponding to wind intensity predicted for the ith integer time period,For a preset wind speed, C is a preset constant,For the power generated by the wind power unit at the preset wind speed,For the use factor;
Through the technical scheme, the data collection module is used for obtaining the i-th integral point predicted wind intensity of the current day, and the data processing module is used for converting the wind intensity into the corresponding wind speed Thus passing through the formulaCalculating a predicted power consumption for an ith integral point of the wind power unit; According toThe accuracy of the preset wind speed in the past preset time can be obtained, and the predicted power consumption/>, of the calculated wind power unit, is improvedAccuracy of (1) >, whenWhen positive, the wind power unit predicts the consumed powerWhen increasingAt negative values, the wind power unit predicts the consumed powerReduction,When a certain speed is reached, the wind power unit predicts the consumed powerThe increase is almost zero;
the use coefficient is used Obtained according to the accumulated using time and the service life of the wind power unit,According to the experience data, selecting and setting, and predicting the wind intensity to be converted into corresponding wind speedIs a common technical means, and is not described in detail;
As an embodiment of the present invention, the analysis process of the preset power supply strategy is:
When (when) When the wind power generation device is used, power is supplied through the photovoltaic unit, redundant electric energy of the photovoltaic unit is stored in the energy storage unit, the wind power unit is connected with the energy storage unit, and the electric energy of the wind power unit is stored in the energy storage unit;
When (when) At the same timeWhen the power supply device is used, the photovoltaic unit, the energy storage unit and the wind power unit are combined to supply power to the load unit;
When (when) At the same timeWhen the wind power generation device is used, the load unit is powered by the photovoltaic unit and the wind power unit, the wind power unit is connected with the energy storage unit, and the wind power unit stores redundant electric energy into the energy storage unit;
When (when) AndWhen the wind power generation device is used, the wind power unit supplies power to the load unit, and redundant electric quantity of the wind power unit is stored in the energy storage unit; the photovoltaic unit is disconnected with the load unit;
When (when) AndWhen the wind power unit supplies power to the energy storage unit, the photovoltaic unit is disconnected with the load unit;
Wherein, The power consumption required by the starting of the photovoltaic unit inverter is realized;
Through the technical scheme, the embodiment calculates the predicted power generation power of each integral point Confirming a preset power supply strategy of each time period, ensuring the electric quantity required by the load unit to be provided as accurately as possible according to the preset power supply strategy, and avoiding waste of the electric quantity;
As an implementation mode of the invention, the power supply standard reaching rate calculating process comprises the following steps:
by the formula Calculating the real-time power supply standard rate；
Wherein,For the power supply of the wind power unit, the photovoltaic unit and the energy storage unit to the load unit according to the preset power supply strategyActually consuming power for the load unit;
through the technical scheme, the embodiment passes through the formula Calculating the power supply standard rateJudging whether a preset power supply strategy can accurately supply power to the load unit or not;
The power supply to the load unit is actually The electric energy detection data of the wind power unit, the energy storage unit and the photovoltaic unit are obtained by common technical means and are not described in detail herein;
As one embodiment of the present invention, the analysis process of the power supply adjustment strategy is as follows:
Standard rate of power supply And preset valueAnd (3) performing comparison:
If it is When the power supply strategy is executed, continuing to execute according to the current power supply strategy;
If it is In the process, the real-time actual power generation power/> of the photovoltaic unit is obtainedAnd predicted power generation/>, corresponding to the time，
If it isWhen the load unit is powered by the photovoltaic unit and the wind power unit, the power supply strategy is adjusted to be combined power supply of the photovoltaic unit, the wind power unit and the energy storage unit;
If it is When power is supplied only through the photovoltaic unit, the power supply strategy is adjusted to be combined power supply of the photovoltaic unit and the energy storage unit, the wind power unit is connected with the energy storage unit, and electric energy of the wind power unit is stored in the energy storage unit;
If it is When power is supplied only through the photovoltaic unit, the power supply strategy is adjusted to be combined power supply of the photovoltaic unit and the energy storage unit, the wind power unit is connected with the energy storage unit, and electric energy of the wind power unit is stored in the energy storage unit;
If it is When the wind power unit is used for supplying power to the load unit, the power supply strategy is adjusted to the combined power supply of the wind power unit and the energy storage unit;
after adjustment, calculating the standard reaching rate again to calculate the power supply standard reaching rate ；
When (when)When the power supply strategy is executed, continuing to execute according to the current power supply strategy;
When (when) And when the device is in use, an early warning is sent out to remind a worker to overhaul.
Through the technical scheme, the embodiment can achieve the standard rate of power supplyAnd preset valueComparing; when (when)When the power supply system is used, the preset power supply strategy is indicated to accurately supply power to the load unit, and then the power supply can be continued according to the current power supply strategy; whenWhen the preset power supply strategy cannot achieve the power consumption of the load unit, the power supply strategy of the load unit needs to be adjusted, the real-time power consumption of the load unit and the actual power generation power of the photovoltaic unit are obtained to be adjusted on the current power supply strategy, more power supply quantity is provided for the load unit, and the power supply standard rate/> is calculated again after adjustmentIfWhen the equipment is abnormal, the equipment needs to be overhauled, ifWhen the power supply is started, the power supply is continuously executed to the next whole point according to the current power supply strategy, and after the next whole point, the power supply is continuously executed according to the preset power supply strategy;
the foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (3)
1. The clean energy complementary power generation platform is characterized by comprising a multi-element power supply unit, a load unit and a control unit;
The multi-element power supply unit comprises a wind power unit, a photovoltaic unit and an energy storage unit;
The control unit includes:
the data collection module is used for acquiring sampling data and sending the sampling data to the data processing module;
The data processing module is used for comprehensively analyzing the sampled data, generating a power supply adjustment strategy and storing historical data;
the power supply management module is used for controlling the power supply states of the wind power unit, the energy storage unit and the photovoltaic unit according to a power supply adjustment strategy;
The sampling data comprise weather forecast data, real-time environmental sunlight intensity, environmental temperature, wind speed, wind power unit state parameter data, photovoltaic unit state parameter data, energy storage unit state parameter data and load state parameter data;
The working process of the control unit is as follows:
s1: the data collection module acquires weather forecast data of the current day on the previous day and sends the weather forecast data to the data processing module;
s2: the data processing module comprehensively analyzes the predicted meteorological parameters and the predicted consumption power of the load calculated by the historical data to determine a preset power supply strategy on the same day, and sends the preset power supply strategy to the power supply management module;
s3: the power supply management module controls the photovoltaic unit, the wind power unit and the energy storage unit to supply power according to a preset power supply strategy;
s4: the data collection module acquires real-time electric energy data of the load unit and calculates the power supply standard rate;
S5: determining a power supply adjustment strategy according to a power supply standard rate result;
S6: the power supply management module adjusts the photovoltaic unit, the wind power unit and the energy storage unit according to a power supply adjustment strategy and supplies power to the next whole point according to a preset power supply strategy; repeating the steps S3-S6;
the analysis process of the photovoltaic unit forecast generated power comprises the following steps:
by the formula Calculating to obtain the generated power/>, of the ith integral period of the predicted light Fu Shanyuan；；
Wherein,Predicting solar intensity for the ith integer,For presetting average sunlight intensity,Predicting average solar intensity for history over a preset period of time,The historical actual average sunlight intensity in the past preset time period; /(I)Predicting temperature for the ith integer,Is a preset average temperature; /(I)The average temperature is predicted for the history over a preset period of time,The historical actual average temperature in the past preset time period is obtained; /(I)Preset average sunlight intensity/>, for the photovoltaic panelPreset average temperatureAnd a preset incident anglePower generation per-Is the illumination coefficient,Is the attenuation coefficient of the photovoltaic unit;
the analysis process of the load unit prediction consumed power comprises the following steps:
by the formula Calculating the predicted power consumption/>, of the load unit of the ith integer time period；
Wherein,The average temperature value with the lowest single-day power consumption of the load units in the annual historical data; /(I)Is thatAverage power consumption of corresponding load units at temperature,For the growth rate of load units,For adjusting the coefficients;
The analysis process of the wind power unit forecast generated power comprises the following steps:
by the formula Calculating to obtain the predicted power generation/>, of the wind power unit in the ith integral time period；
Wherein,For the predicted wind speed corresponding to the historical predicted average wind intensity in the past preset time period,For the historical actual average wind speed in the past preset time period,Wind speed corresponding to wind intensity predicted for the ith integer time period,For a preset wind speed, C is a preset constant,For the power generated by the wind power unit at the preset wind speed,For the use factor;
The analysis process of the preset power supply strategy comprises the following steps:
When (when) When the wind power generation device is used, power is supplied through the photovoltaic unit, redundant electric energy of the photovoltaic unit is stored in the energy storage unit, the wind power unit is connected with the energy storage unit, and the electric energy of the wind power unit is stored in the energy storage unit;
When (when) At the same timeWhen the power supply device is used, the photovoltaic unit, the energy storage unit and the wind power unit are combined to supply power to the load unit;
When (when) At the same timeWhen the wind power generation device is used, the load unit is powered by the photovoltaic unit and the wind power unit, the wind power unit is connected with the energy storage unit, and the wind power unit stores redundant electric energy into the energy storage unit;
When (when) AndWhen the wind power generation device is used, the wind power unit supplies power to the load unit, and redundant electric quantity of the wind power unit is stored in the energy storage unit; the photovoltaic unit is disconnected with the load unit;
When (when) AndWhen the wind power unit supplies power to the energy storage unit, the photovoltaic unit is disconnected with the load unit;
Wherein, Is the power consumption required when the photovoltaic unit inverter is started.
2. The clean energy complementary power generation platform according to claim 1, wherein the power supply standard rate calculating process is as follows:
by the formula Calculating the real-time power supply standard rate；
Wherein,For the power supply of the wind power unit, the photovoltaic unit and the energy storage unit to the load unit according to the preset power supply strategyPower is actually consumed for the load unit.
3. The clean energy complementary power generation platform of claim 2, wherein the power adjustment strategy analysis process is: standard rate of power supplyAnd preset valueAnd (3) performing comparison:
If it is When the power supply strategy is executed, continuing to execute according to the current power supply strategy;
If it is In the process, the real-time actual power generation power/> of the photovoltaic unit is obtainedAnd predicted power generation corresponding to the time，
If it isWhen the load unit is powered by the photovoltaic unit and the wind power unit, the power supply strategy is adjusted to be combined power supply of the photovoltaic unit, the wind power unit and the energy storage unit;
If it is When power is supplied only through the photovoltaic unit, the power supply strategy is adjusted to be combined power supply of the photovoltaic unit and the energy storage unit, the wind power unit is connected with the energy storage unit, and electric energy of the wind power unit is stored in the energy storage unit;
If it is When power is supplied only through the photovoltaic unit, the power supply strategy is adjusted to be combined power supply of the photovoltaic unit and the energy storage unit, the wind power unit is connected with the energy storage unit, and electric energy of the wind power unit is stored in the energy storage unit;
If it is When the wind power unit is used for supplying power to the load unit, the power supply strategy is adjusted to the combined power supply of the wind power unit and the energy storage unit;
After adjustment, the power supply standard rate is calculated again ；
When (when)When the power supply strategy is executed, continuing to execute according to the current power supply strategy;
When (when) And when the device is in use, an early warning is sent out to remind a worker to overhaul.
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