CN116014818B - Comprehensive energy supply management system for climate change area - Google Patents
Comprehensive energy supply management system for climate change area Download PDFInfo
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Abstract
The invention relates to the technical field of energy supply management, in particular to a comprehensive energy supply management system for a climate change area, which comprises the following components: the energy supply module is used for providing electric energy for the user side; the detection module comprises a first detection unit and a second detection unit used for detecting the output electric energy of the photovoltaic module and the generator; the judging module is used for determining whether the power supply condition of the first energy supply unit meets the requirements according to the actual power supply quantity, and determining the reason for the non-meeting of the power supply condition according to the difference value between the preset standard power supply quantity and the actual power supply quantity when the power supply condition is judged to be non-meeting; and the correction module corrects the angle between the photovoltaic module and the ground or the running power of the generator to a corresponding value according to the judgment result output by the judgment module. According to the invention, the parameters of the first energy supply unit and the operation parameters of the supplementary energy supply unit are regulated according to the actual power supply quantity, so that the energy supply efficiency is effectively improved.
Description
Technical Field
The invention relates to the technical field of energy supply management, in particular to a comprehensive energy supply management system for a climate change area.
Background
When renewable energy sources such as electric power, coal and petroleum are frequently urgent and the energy source problem becomes a bottleneck restricting the international social economic development increasingly, more and more countries begin to implement 'sunshine plan', develop solar energy resources and seek new power for economic development. Some high-level nuclear research institutions in europe have also begun to move toward renewable energy sources. Under the promotion of the huge potential of the international photovoltaic market, the solar cell manufacturing industry of each country strives for huge investment, and production is expanded to fight for a place.
The solar panel is especially important to be arranged in special climatic regions such as southwest warm and humid, northwest high and cold, northeast low-temperature salt weather, eastern salt humid, and southern high temperature. Because of the occurrence of solar power supply shortage caused by the varied climate, a comprehensive energy supply management system is urgently needed to ensure the balance between supply and demand.
Chinese patent publication No.: CN103002004B discloses a data remote collecting and managing system, which consists of 1 data collecting and managing center and several data collecting and managing sub-centers; the centers and the sub-centers transmit data in real time in a wireless mode. The sub-centers are responsible for collecting various environmental and photovoltaic system electrical parameters and wirelessly transmitting the parameters to the center, the center is responsible for receiving data of the sub-centers, and the relationship between service life, power generation capacity and environment of the photovoltaic system in different areas and different environments is obtained through analysis and modeling. By means of the system, the data center can collect different areas remotely in real time. And obtaining the relation between the generated energy of the battery modules with different climates and the environmental parameters by analyzing the data of the photovoltaic power stations with different climates.
It can be seen that the inability of the prior art to adjust the parameters of the energy supply unit and the operating parameters of the supplementary energy supply unit in dependence on the actual supply quantity results in a low energy supply efficiency.
Disclosure of Invention
Therefore, the invention provides a comprehensive energy supply management system for a climate change area, which is used for solving the problem that the energy supply efficiency is low due to the fact that parameters of an energy supply unit and operation parameters of a supplementary energy supply unit cannot be adjusted according to actual power supply quantity in the prior art.
To achieve the above object, the present invention provides a comprehensive energy management system for a climate change zone, comprising:
the energy supply module is used for providing electric energy for the user side and comprises a first energy supply unit for supplying power by using the photovoltaic assembly and a second energy supply unit for supplying power by using the generator;
the detection module is connected with the energy supply module and comprises a first detection unit for detecting the environmental parameter of the energy supply module and a second detection unit for detecting the electric energy output by the energy supply module, wherein the environmental parameter comprises the illumination intensity, the relative humidity, the temperature and the air pressure of the environment of the energy supply module, and the electric energy output by the energy supply module comprises the electric energy output by the first energy supply unit and the electric energy output by the second energy supply unit;
The judging module is respectively connected with the first detecting unit and the second detecting unit, and is used for judging whether the electric energy output by the first energy supply unit in a single period meets the requirement according to the change condition of the electric energy output by the first energy supply unit in a single period and the electric energy change trend in a corresponding section in a standard electric energy supply curve, determining the reason why the electric energy output by the first energy supply unit does not meet the requirement when the electric energy output by the first energy supply unit measured by the second detecting unit does not meet the requirement, and carrying out secondary judgment on the reason why the electric energy output by the first energy supply unit does not meet the requirement according to the weather evaluation value obtained by using the environmental parameters of the environment where the energy supply module measured by the first detecting unit is located when the reason why the electric energy output by the first energy supply unit cannot be determined primarily is judged;
and the correction module is respectively connected with the judging module and the energy supply module and is used for correcting the angle between the photovoltaic module and the ground or the running power of the generator to a corresponding value according to the judging result output by the judging module.
Further, the judging module acquires a standard electric energy supply curve f (t) of the first energy supply unit according to the historical information, periodically counts the electric energy output by the first energy supply unit, and sets:
Wherein mu is the average output electric energy of the first energy supply unit in one day;
sigma is the variance of the output power of the statistics;
t is time and t.epsilon.7, 20.
Further, the determination module compares the average output electric energy of the first energy supply unit in a single period with the average value of the output electric energy in the corresponding section in the standard electric energy supply curve under a first preset condition, and determines whether the electric energy output by the first energy supply unit in the period meets the determination mode of requirements according to the comparison result, wherein the determination module records the average value of the output electric energy in the corresponding section in the standard electric energy supply curve as the preset average electric energy for the period,
the first judging mode is that the judging module judges that the electric energy output by the first energy supply unit in the period meets the requirement, and controls the second detection unit to detect the electric energy output by the first energy supply unit in the next period; the first judging mode meets the condition that the average output electric energy is larger than or equal to the preset average electric energy;
the second judging mode is that the judging module preliminarily judges that the electric energy output by the first energy supply unit in the period is not in accordance with the requirement, and determines the reason that the electric energy output by the first energy supply unit in the period is not in accordance with the requirement according to the difference value of the average output electric energy and the preset average electric energy; the second judging mode meets the condition that the average output electric energy is smaller than the preset average electric energy and is larger than or equal to the minimum output electric energy in the period;
The third judging mode is that the judging module judges that the electric energy output by the first energy supply unit in the period is not in accordance with the requirement, the second energy supply unit is started, and the running power of the generator is regulated to a corresponding value according to the difference value of the average output electric energy and the minimum output electric energy; the third determination means satisfies that the average output electric energy is smaller than the minimum output electric energy in the period;
the first preset condition is that the judging module controls the detecting module to detect the electric energy output by the first energy supply unit in a single period and obtains the average output electric energy of the first energy supply unit in the period according to the detected output electric energy.
Further, the judging module determines a judging mode of a reason why the electric energy output by the first energy supply unit in the period is not satisfactory according to the difference value between the average output electric energy and the preset average electric energy in the second judging mode, wherein,
the first reason judging mode is that the judging module judges that the reason that the electric energy output by the first energy supply unit in the period does not meet the requirement is that the environment where the first functional unit is located does not meet the preset requirement, and controls the correcting module to correct the angle between the photovoltaic module and the ground to a corresponding value; the first reason judging mode meets the condition that the difference value between the average output electric energy and the preset average electric energy is smaller than or equal to a first preset standard electric energy difference value set by the judging module;
The second reason judging mode is that the judging module judges that the reason that the electric energy output by the first energy supply unit in the period does not meet the requirement is that the receiving area of the photovoltaic module in the first energy supply unit does not meet the preset standard, and controls the correcting module to correct the running power of the generator to a corresponding value; the second reason judging mode meets the condition that the difference value between the average output electric energy and the preset average electric energy is larger than the first preset standard electric energy difference value and smaller than or equal to the second preset standard electric energy difference value set by the judging module, wherein the first preset standard electric energy difference value is smaller than the second preset standard electric energy difference value;
the third factor judging mode is that the judging module preliminarily judges that the reason that the electric energy output by the first energy supply unit does not meet the requirement cannot be determined, and secondarily judges the reason that the electric energy output by the first energy supply unit does not meet the requirement according to the climate evaluation value obtained by the environmental parameter of the environment where the first energy supply unit is located in the period, which is measured by the detecting module; the third factor judging mode meets the condition that the difference value between the average output electric energy and the preset average electric energy is larger than the second preset standard electric energy difference value.
Further, the judging module determines a secondary judging mode of the reason why the electric energy output by the first energy supply unit does not meet the requirement according to the climate evaluation value in the third factor judging mode, wherein,
the first secondary judgment mode is that the judgment module judges that the reason that the electric energy output by the first energy supply unit does not meet the requirement is that the environment where the first functional unit is located does not meet the preset requirement, and controls the correction module to correct the angle between the photovoltaic module and the ground to a corresponding value; the first secondary judgment mode meets the condition that the climate evaluation value is larger than a preset standard evaluation value set by the judgment module;
the second secondary judgment mode is that the judgment module judges that the reason that the electric energy output by the first energy supply unit does not meet the requirement is that the receiving area of the photovoltaic module in the first energy supply unit does not meet the preset standard, and controls the correction module to correct the running power of the generator to a corresponding value; and the second secondary judgment mode meets the condition that the climate evaluation value is smaller than or equal to the preset standard evaluation value.
Further, the determining module controls the first detecting unit to detect the illumination intensity L, the relative humidity W, the temperature T and the air pressure G of the environment where the energy supply module is located so as to obtain the climate evaluation value R, and sets:
Wherein a is a first weight coefficient and a=0.4 lux -1 ；
b is a second weight coefficient and b=0.2;
c is a third weight coefficient and c=0.3℃ -1 ；
d is a fourth weight coefficient and d=0.1 Pa -1 。
Further, the correction module determines a correction mode of the angle of the photovoltaic module and the ground according to the difference value between the climate evaluation value and the preset standard evaluation value in the first cause judgment mode, wherein,
the first angle correction mode is that the correction module corrects the angle between the photovoltaic module and the ground to a corresponding value by using a first angle correction coefficient; the first angle correction mode meets the condition that the difference value between the climate evaluation value and the preset standard evaluation value is smaller than or equal to the first preset evaluation value difference value set by the correction module;
the second angle correction mode is that the correction module corrects the angle between the photovoltaic module and the ground to a corresponding value by using a second angle correction coefficient; the second angle correction mode meets the condition that the difference value between the climate evaluation value and the preset standard evaluation value is larger than the first preset evaluation value difference value and smaller than or equal to the second preset evaluation value difference value set by the correction module, wherein the first preset evaluation value difference value is smaller than the second preset evaluation value difference value;
The third angle correction mode is that the correction module corrects the angle between the photovoltaic module and the ground to a corresponding value by using a third angle correction coefficient; the third angle correction mode satisfies that the difference between the climate evaluation value and the preset standard evaluation value is larger than the second preset evaluation value difference.
Further, the correction module determines a correction mode of the running power of the generator according to a difference value between the receiving area of the photovoltaic module and a preset standard area in the second cause judgment mode, wherein,
the first power correction mode is that the correction module corrects the running power of the generator to a corresponding value by using a first power correction coefficient; the first power correction mode meets the condition that the difference value between the receiving area of the photovoltaic module and the preset standard area is smaller than or equal to the first preset standard area difference value;
the second power correction mode is that the correction module corrects the running power of the generator to a corresponding value by using a second power correction coefficient; the second power correction mode meets the condition that the difference value between the receiving area of the photovoltaic module and the preset standard area is larger than the first preset standard area difference value and smaller than or equal to the second preset standard area difference value;
The third power correction mode is that the correction module corrects the running power of the generator to a corresponding value by using a third power correction coefficient; the third power correction mode meets the condition that the difference value between the receiving area of the photovoltaic module and the preset standard area is larger than the second preset standard area difference value.
Further, the correction module determines a correction mode of the interval where t is located in the standard power supply curve f (t) of the first energy supply unit according to the difference value between the average output power and the preset average power, wherein,
the first correction mode is that the correction module corrects the interval where t is located to a corresponding interval by using a first correction coefficient; the first correction mode meets the condition that the difference value between the average output electric energy and the preset average electric energy is smaller than or equal to the first preset standard electric energy difference value;
the second correction mode is that the correction module corrects the interval where t is located to a corresponding interval by using a second correction coefficient; the second correction mode satisfies that the difference value between the average output electric energy and the preset average electric energy is larger than the first preset standard electric energy difference value and smaller than or equal to the second preset standard electric energy difference value;
The third correction mode is that the correction module corrects the interval where t is located to a corresponding interval by using a third correction coefficient; the third correction mode satisfies that the difference between the average output electric energy and the preset average electric energy is larger than the second preset standard electric energy difference.
Further, the correction module determines a correction mode of the duration of the detection period of the detection module according to the variance of the output electric energy in the standard electric energy supply curve f (t) of the first energy supply unit, wherein,
the first time length correction mode is that the correction module corrects the time length of the detection period of the detection module to a corresponding value by using a first time length adjustment coefficient; the first time length correction mode meets the condition that the variance of the output electric energy is smaller than or equal to a first preset energy supply variance set by the correction module;
the second time length correction mode is that the correction module corrects the time length of the detection period of the detection module to a corresponding value by using a second time length adjustment coefficient; the second time length correction mode meets the condition that the variance of the output electric energy is larger than the first preset energy supply variance and smaller than or equal to the second preset energy supply variance set by the correction module, wherein the first preset energy supply variance is smaller than the second preset energy supply variance;
The third time length correction mode is that the correction module corrects the time length of the detection period of the detection module to a corresponding value by using a third time length adjustment coefficient; the third duration correction mode satisfies that the variance of the output electric energy is larger than the second preset energy supply variance.
Compared with the prior art, the method has the beneficial effects that whether the power supply condition of the first energy supply unit meets the requirement is judged according to the actual power supply quantity, and the reasons for the non-meeting of the power supply condition are determined according to the difference value between the preset standard power supply quantity and the actual power supply quantity under the condition that the power supply condition is not met, so that corresponding adjustment is carried out on different reasons by timely judging the power supply condition, the supply and demand balance of a power supply end and a user end is effectively ensured, and supply and demand or energy waste caused by untimely detection is avoided; meanwhile, when the reason that the power supply condition of the first energy supply unit is not met is determined to be climate change, the angle between the photovoltaic module and the ground is adjusted to the corresponding value according to the climate evaluation value so that the generated electric energy meets the power supply requirement, and when the reason that the power supply condition of the first energy supply unit is determined to be not met is determined to be system self, the running power of the generator is adjusted so as to ensure that the power supply condition meets the requirement, and the energy supply efficiency of the system is effectively improved.
Further, the actual power supply quantity of the first energy supply unit is detected through the second detection unit, whether the current power supply situation meets the requirements is judged according to the comparison result by comparing the actual power supply quantity with the preset standard power supply quantity, the power supply quantity of the power supply system is effectively ensured by timely detecting the actual power supply quantity, the condition that supply and demand are not required due to untimely detection is avoided, and the energy supply efficiency of the system is effectively improved.
Further, when the power supply condition of the first energy supply unit is judged to be not in accordance with the requirement, the reasons for the power supply condition to be not in accordance with the requirement are determined according to the difference value between the preset standard power supply quantity and the actual power supply quantity, the reasons include weather change and the system self reason, and when the reasons cannot be determined, the further judgment is needed.
Further, when the reason that the power supply condition of the first energy supply unit does not meet the requirements cannot be determined, the reason is further judged according to the climate evaluation value, and when the climate evaluation value is larger than the preset standard evaluation value, the power supply caused by climate change is judged to be not met; when the climate evaluation value is smaller than or equal to a preset standard evaluation value, judging that the power supply caused by the system is not in accordance with the requirement; the reason that the power supply condition does not meet the requirement is researched and judged according to the climate evaluation value, so that the accurate analysis of the reason is effectively ensured, the influence on the power supply efficiency caused by the fact that the power supply cannot be corrected in time due to inaccurate judgment is avoided, and the energy supply efficiency of the system is further improved.
Furthermore, the invention periodically detects the brightness, humidity, temperature and air pressure of the outside through the first detection unit to obtain the climate evaluation value, and carries out secondary judgment on the reasons that the power supply condition of the first energy supply unit is not in accordance with the requirements according to the climate evaluation value, thereby solving the unknown condition and effectively improving the energy supply efficiency of the system.
Further, when the reason that the power supply condition of the first energy supply unit is not met is determined to be climate change, more radiation intensity is obtained by adjusting the angle between the photovoltaic module and the ground, so that more solar energy is converted into electric energy, energy supply is effectively ensured, and the energy supply efficiency of the system is further improved.
Further, when the reason that the power supply condition of the first energy supply unit is not met is that the system is judged to be in accordance with the requirements, the power supply quantity is increased by adjusting the operation power of the second energy supply unit, so that the defect of energy supply of the photovoltaic module is overcome.
Drawings
FIG. 1 is a schematic view of a single photovoltaic module according to an embodiment of the present invention;
FIG. 2 is a block diagram of a comprehensive energy management system for climate change zones in accordance with an embodiment of the present invention;
FIG. 3 is a flowchart of determining whether the power supply condition of the first energy supply unit meets the requirement according to the actual power supply quantity in the embodiment of the invention;
fig. 4 is a flowchart of performing secondary determination on a reason that the power supply condition of the first energy supply unit is not satisfactory according to the climate evaluation value in the embodiment of the invention.
Detailed Description
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1, a schematic structural diagram of a single photovoltaic module according to an embodiment of the present invention is shown, wherein the single photovoltaic module includes a control unit 1, a first connecting rod 2, a second connecting rod 3, a third connecting rod 4, a fourth connecting rod 5, a fifth connecting rod 6, a sixth connecting rod 7, and a solar panel 8; the control unit comprises a first knob 11 and a second knob 12, the bottom ends of the first connecting rod 2 and the fourth connecting rod 5 are fixed on the control unit, the other end of the first connecting rod 2 is connected with one end of the second connecting rod 3, the other end of the second connecting rod 3 is connected with one end of the third connecting rod 4, and the other end of the third connecting rod 4 is fixed on the solar panel 8; the other end of the fourth connecting rod 5 is connected with one end of the fifth connecting rod 6, the other end of the fifth connecting rod 6 is connected with one end of the sixth connecting rod 7, and the other end of the sixth connecting rod 7 is fixed on the solar panel 8; the first knob 11 controls the movement 4 of the first connecting rod 2, the second connecting rod 3 and the third connecting rod; the second knob 12 controls the movement 7 of the fourth connecting rod 5, the fifth connecting rod 6 and the sixth connecting rod.
Referring to fig. 2, a block diagram of a comprehensive energy management system for a climate change zone according to an embodiment of the invention is shown, where the comprehensive energy management system for a climate change zone according to the invention includes:
the energy supply module is used for providing electric energy for the user side and comprises a first energy supply unit for supplying power by using the photovoltaic assembly and a second energy supply unit for supplying power by using the generator;
the detection module is connected with the energy supply module and comprises a first detection unit for detecting the environmental parameter of the energy supply module and a second detection unit for detecting the electric energy output by the energy supply module, wherein the environmental parameter comprises the illumination intensity, the relative humidity, the temperature and the air pressure of the environment of the energy supply module, and the electric energy output by the energy supply module comprises the electric energy output by the first energy supply unit and the electric energy output by the second energy supply unit;
the judging module is respectively connected with the first detecting unit and the second detecting unit, and is used for judging whether the electric energy output by the first energy supply unit in a single period meets the requirement according to the change condition of the electric energy output by the first energy supply unit in a single period and the electric energy change trend in a corresponding section in a standard electric energy supply curve, determining the reason why the electric energy output by the first energy supply unit does not meet the requirement when the electric energy output by the first energy supply unit measured by the second detecting unit does not meet the requirement, and carrying out secondary judgment on the reason why the electric energy output by the first energy supply unit does not meet the requirement according to the weather evaluation value obtained by using the environmental parameters of the environment where the energy supply module measured by the first detecting unit is located when the reason why the electric energy output by the first energy supply unit cannot be determined primarily is judged;
And the correction module is respectively connected with the judging module and the energy supply module and is used for correcting the angle between the photovoltaic module and the ground or the running power of the generator to a corresponding value according to the judging result output by the judging module.
Specifically, the determining module obtains a standard electric energy supply curve f (t) of the first energy supply unit according to the history information, periodically counts the electric energy output by the first energy supply unit, and sets:
where μ is the average output power of the first energy supply unit in one day, μ=7.2×10 6 J；
σ is the variance of the statistical output power, σ=0.6;
t is time and t.epsilon.7, 20.
Referring to fig. 3, which is a flowchart of determining whether the power supply condition of the first energy supply unit meets the requirement according to the actual power supply amount, the determining module compares the average output power of the first energy supply unit in a single period with the average value of the output power in the corresponding interval in the standard power supply curve under a first preset condition, and determines, according to the comparison result, a determining manner whether the output power of the first energy supply unit meets the requirement in the period, wherein the determining module records the average value of the output power in the corresponding interval in the standard power supply curve as a preset average power for the period,
The first judging mode is that the judging module judges that the electric energy output by the first energy supply unit in the period meets the requirement, and controls the second detection unit to detect the electric energy output by the first energy supply unit in the next period; the first judging mode meets the condition that the average output electric energy is larger than or equal to the preset average electric energy;
the second judging mode is that the judging module preliminarily judges that the electric energy output by the first energy supply unit in the period is not in accordance with the requirement, and determines the reason that the electric energy output by the first energy supply unit in the period is not in accordance with the requirement according to the difference value of the average output electric energy and the preset average electric energy; the second judging mode meets the condition that the average output electric energy is smaller than the preset average electric energy and is larger than or equal to the minimum output electric energy in the period;
the third judging mode is that the judging module judges that the electric energy output by the first energy supply unit in the period is not in accordance with the requirement, the second energy supply unit is started, and the running power of the generator is regulated to a corresponding value according to the difference value of the average output electric energy and the minimum output electric energy; the third determination means satisfies that the average output electric energy is smaller than the minimum output electric energy in the period;
The first preset condition is that the judging module controls the detecting module to detect the electric energy output by the first energy supply unit in a single period and obtains the average output electric energy of the first energy supply unit in the period according to the detected output electric energy.
According to the invention, the actual power supply quantity of the first energy supply unit is detected through the second detection unit, the actual power supply quantity is compared with the preset standard power supply quantity, whether the current power supply condition meets the requirement is judged according to the comparison result, the power supply quantity of the power supply system is effectively ensured through timely detecting the actual power supply quantity, the condition of insufficient supply caused by untimely detection is avoided, and the energy supply efficiency of the system is effectively improved.
Specifically, the judging module determines a judging mode of a reason why the electric energy output by the first energy supply unit in the period is not satisfactory according to the difference value between the average output electric energy and the preset average electric energy in the second judging mode, wherein,
the first reason judging mode is that the judging module judges that the reason that the electric energy output by the first energy supply unit in the period does not meet the requirement is that the environment where the first functional unit is located does not meet the preset requirement, and controls the correcting module to correct the angle between the photovoltaic module and the ground to a corresponding value; the first reason judging mode meets the condition that the difference value between the average output electric energy and the preset average electric energy is smaller than or equal to a first preset standard electric energy difference value set by the judging module;
The second reason judging mode is that the judging module judges that the reason that the electric energy output by the first energy supply unit in the period does not meet the requirement is that the receiving area of the photovoltaic module in the first energy supply unit does not meet the preset standard, and controls the correcting module to correct the running power of the generator to a corresponding value; the second reason judging mode meets the condition that the difference value between the average output electric energy and the preset average electric energy is larger than the first preset standard electric energy difference value and smaller than or equal to the second preset standard electric energy difference value set by the judging module, wherein the first preset standard electric energy difference value is smaller than the second preset standard electric energy difference value;
the third factor judging mode is that the judging module preliminarily judges that the reason that the electric energy output by the first energy supply unit does not meet the requirement cannot be determined, and secondarily judges the reason that the electric energy output by the first energy supply unit does not meet the requirement according to the climate evaluation value obtained by the environmental parameter of the environment where the first energy supply unit is located in the period, which is measured by the detecting module; the third factor judging mode meets the condition that the difference value between the average output electric energy and the preset average electric energy is larger than the second preset standard electric energy difference value.
When the power supply condition of the first energy supply unit is judged to be unsatisfactory, the reasons for the unsatisfactory power supply condition are determined according to the difference value between the preset standard power supply quantity and the actual power supply quantity, the reasons include weather change and the system self reason, and when the reasons cannot be determined, the reasons need to be further judged.
Referring to fig. 4, which is a flowchart of the embodiment of the present invention for performing secondary determination on the reason that the power supply condition of the first energy supply unit does not meet the requirement according to the climate evaluation value, the determination module determines, in the third factor determination mode, a secondary determination mode of the reason that the electric energy output by the first energy supply unit does not meet the requirement according to the climate evaluation value, wherein,
the first secondary judgment mode is that the judgment module judges that the reason that the electric energy output by the first energy supply unit does not meet the requirement is that the environment where the first functional unit is located does not meet the preset requirement, and controls the correction module to correct the angle between the photovoltaic module and the ground to a corresponding value; the first secondary judgment mode meets the condition that the climate evaluation value is larger than a preset standard evaluation value set by the judgment module;
The second secondary judgment mode is that the judgment module judges that the reason that the electric energy output by the first energy supply unit does not meet the requirement is that the receiving area of the photovoltaic module in the first energy supply unit does not meet the preset standard, and controls the correction module to correct the running power of the generator to a corresponding value; and the second secondary judgment mode meets the condition that the climate evaluation value is smaller than or equal to the preset standard evaluation value.
When the reason that the power supply condition of the first energy supply unit does not meet the requirements cannot be determined, the reason is further judged according to the climate evaluation value, and when the climate evaluation value is larger than a preset standard evaluation value, the power supply caused by climate change is judged to be inconsistent; when the climate evaluation value is smaller than or equal to a preset standard evaluation value, judging that the power supply caused by the system is not in accordance with the requirement; the reason that the power supply condition does not meet the requirement is researched and judged according to the climate evaluation value, so that the accurate analysis of the reason is effectively ensured, the influence on the power supply efficiency caused by the fact that the power supply cannot be corrected in time due to inaccurate judgment is avoided, and the energy supply efficiency of the system is further improved.
Specifically, the determining module controls the first detecting unit to detect the illumination intensity L, the relative humidity W, the temperature T, and the air pressure G of the environment where the energy supply module is located to obtain the climate evaluation value R, and sets:
Wherein a is a first weight coefficient and a=0.4 lx -1 ；
b is a second weight coefficient and b=0.2;
c is a third weight coefficient and c=0.3℃ -1 ；
d is a fourth weight coefficient and d=0.1 Pa -1 。
According to the invention, the first detection unit periodically detects the external brightness, humidity, temperature and air pressure to obtain the climate evaluation value, and the secondary judgment is carried out on the reasons that the power supply condition of the first energy supply unit is not in accordance with the requirements according to the climate evaluation value, so that the unknown condition is solved, and the energy supply efficiency of the system is effectively improved.
Specifically, the correction module determines a correction mode of the angle between the photovoltaic module and the ground according to the difference value between the climate evaluation value and the preset standard evaluation value in the first cause judgment mode, wherein,
the first angle correction mode is that the correction module corrects the angle between the photovoltaic module and the ground to a corresponding value by using a first angle correction coefficient; the first angle correction mode meets the condition that the difference value between the climate evaluation value and the preset standard evaluation value is smaller than or equal to the first preset evaluation value difference value set by the correction module;
the second angle correction mode is that the correction module corrects the angle between the photovoltaic module and the ground to a corresponding value by using a second angle correction coefficient; the second angle correction mode meets the condition that the difference value between the climate evaluation value and the preset standard evaluation value is larger than the first preset evaluation value difference value and smaller than or equal to the second preset evaluation value difference value set by the correction module, wherein the first preset evaluation value difference value is smaller than the second preset evaluation value difference value;
The third angle correction mode is that the correction module corrects the angle between the photovoltaic module and the ground to a corresponding value by using a third angle correction coefficient; the third angle correction mode meets the condition that the difference value between the climate evaluation value and the preset standard evaluation value is larger than the second preset evaluation value difference value;
the first angle correction coefficient is γ1=1.16, the second angle correction coefficient is γ2=1.25, the third angle correction coefficient is γ3=1.31, the first preset evaluation value difference value is 0.68, the second preset evaluation value difference value is 0.75, and the correction module marks the angle between the photovoltaic module corrected by using γk and the ground as θ ', θ' =θ×γk, wherein θ is the initial angle between the photovoltaic module and the ground, and k=1, 2,3.
When the reason that the power supply condition of the first energy supply unit is not satisfactory is that the weather changes, more radiation intensity is obtained by adjusting the angle between the photovoltaic module and the ground, so that more solar energy is converted into electric energy, the energy supply is effectively ensured, and the energy supply efficiency of the system is further improved.
Specifically, the correction module determines a correction mode of the running power of the generator according to a difference value between the receiving area of the photovoltaic module and a preset standard area in the second cause judgment mode, wherein,
The first power correction mode is that the correction module corrects the running power of the generator to a corresponding value by using a first power correction coefficient; the first power correction mode meets the condition that the difference value between the receiving area of the photovoltaic module and the preset standard area is smaller than or equal to the first preset standard area difference value;
the second power correction mode is that the correction module corrects the running power of the generator to a corresponding value by using a second power correction coefficient; the second power correction mode meets the condition that the difference value between the receiving area of the photovoltaic module and the preset standard area is larger than the first preset standard area difference value and smaller than or equal to the second preset standard area difference value;
the third power correction mode is that the correction module corrects the running power of the generator to a corresponding value by using a third power correction coefficient; the third power correction mode meets the condition that the difference value between the receiving area of the photovoltaic module and the preset standard area is larger than the second preset standard area difference value;
the first power correction coefficient is α1=1.02, the second power correction coefficient is α2=1.11, the third power correction coefficient is α3=1.17, the first preset standard area difference value is 0.48, the first preset standard area difference value is 0.54, and the correction module marks the operation power of the generator corrected by using αi as P ', P' =p×αi, wherein P is the initial operation power of the generator, and i=1, 2,3.
When the reason that the power supply condition of the first energy supply unit is not satisfactory is that the system is, the power supply quantity is increased by adjusting the operation power of the second energy supply unit, so that the defect of energy supply of the photovoltaic module is overcome.
Specifically, the correction module determines a correction mode of a section where t is located in a standard power supply curve f (t) of the first energy supply unit according to a difference value between the average output power and the preset average power, wherein,
the first correction mode is that the correction module corrects the interval where t is located to a corresponding interval by using a first correction coefficient; the first correction mode meets the condition that the difference value between the average output electric energy and the preset average electric energy is smaller than or equal to the first preset standard electric energy difference value;
the second correction mode is that the correction module corrects the interval where t is located to a corresponding interval by using a second correction coefficient; the second correction mode satisfies that the difference value between the average output electric energy and the preset average electric energy is larger than the first preset standard electric energy difference value and smaller than or equal to the second preset standard electric energy difference value;
The third correction mode is that the correction module corrects the interval where t is located to a corresponding interval by using a third correction coefficient; the third correction mode satisfies that the difference value between the average output electric energy and the preset average electric energy is larger than the second preset standard electric energy difference value;
the first correction coefficient is β1=1.05, the second correction coefficient is β2=1.12, the third correction coefficient is β3=1.23, the first preset standard electric energy difference value is 5.5, the second preset standard electric energy difference value is 7.3, and the correction module marks the first preset standard electric energy difference value corrected by using βj as t ', t' =t×βj e [7.5, 21], wherein j=1, 2,3.
Specifically, the correction module determines a correction mode of the duration of the detection period of the detection module according to the variance of the output power in the standard power supply curve f (t) of the first energy supply unit, wherein,
the first time length rate correction mode is that the correction module corrects the time length of the detection period of the detection module to a corresponding value by using a first time length adjustment coefficient; the first time length correction mode meets the condition that the variance of the output electric energy is smaller than or equal to a first preset energy supply variance set by the correction module;
The second time length correction mode is that the correction module corrects the time length of the detection period of the detection module to a corresponding value by using a second time length adjustment coefficient; the second time length correction mode meets the condition that the variance of the output electric energy is larger than the first preset energy supply variance and smaller than or equal to the second preset energy supply variance set by the correction module, wherein the first preset energy supply variance is smaller than the second preset energy supply variance;
the third time length correction mode is that the correction module corrects the time length of the detection period of the detection module to a corresponding value by using a third time length adjustment coefficient; the third duration correction mode satisfies that the variance of the output electric energy is larger than the second preset energy supply variance;
the first time length correction coefficient is η1=0.6, the second time length correction coefficient is η2=0.7, the third time length correction coefficient is η3=0.8, the first preset energy supply variance is 0.5, the second preset energy supply variance is 1.0, and the correction module marks the time length of the detection period of the detection module corrected by using ηe as S ', S' =s×ηe, wherein S is the initial time length of the detection period of the detection module, and e=1, 2,3.
It should be noted that, the data in the above specific embodiments are obtained by comprehensively analyzing and evaluating the historical detection data of the last three months of the current detection and the corresponding historical detection results by the comprehensive energy supply management system for the climate change area. The comprehensive energy supply management system for the climate change area disclosed by the invention integrates and detects the relation satisfied by 53654 tests in the first three months of the detection. It can be understood by those skilled in the art that the determining manner of the comprehensive energy supply management system for the climate change area according to the present invention for the parameters of the single item may be that a value with the highest data distribution ratio is used as a selection manner, so long as the value obtained by the method according to the present invention is satisfied to clearly define different specific situations in the single item determination process.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A comprehensive energy management system for climate change zones, comprising:
the energy supply module is used for providing electric energy for the user side and comprises a first energy supply unit for supplying power by using the photovoltaic assembly and a second energy supply unit for supplying power by using the generator;
the detection module is connected with the energy supply module and comprises a first detection unit for detecting the environmental parameter of the energy supply module and a second detection unit for detecting the electric energy output by the energy supply module, wherein the environmental parameter comprises the illumination intensity, the relative humidity, the temperature and the air pressure of the environment of the energy supply module, and the electric energy output by the energy supply module comprises the electric energy output by the first energy supply unit and the electric energy output by the second energy supply unit;
The judging module is respectively connected with the first detecting unit and the second detecting unit, and is used for judging whether the electric energy output by the first energy supply unit in a single period meets the requirement according to the change condition of the electric energy output by the first energy supply unit in a single period and the electric energy change trend in a corresponding section in a standard electric energy supply curve, determining the reason why the electric energy output by the first energy supply unit does not meet the requirement when the electric energy output by the first energy supply unit measured by the second detecting unit is judged to be not met, and carrying out secondary judgment on the reason why the electric energy output by the first energy supply unit does not meet the requirement according to a weather evaluation value R obtained by using the environmental parameters of the environment where the energy supply module is located, wherein the weather evaluation value R is measured by the first detecting unit when the reason why the electric energy output by the first energy supply unit cannot be determined to be met is primarily judged;
the judging module controls the first detecting unit to detect the illumination intensity L, the relative humidity W, the temperature T and the air pressure G of the environment where the energy supply module is located so as to obtain the climate evaluation value R, and the following steps are set:
wherein a is a first weight coefficient and a=0.4 lux -1 ；
b is a second weight coefficient and b=0.2;
c is a third weight coefficient and c=0.3℃ -1 ；
d is a fourth weight coefficient and d=0.1 Pa -1 ；
The correction module is respectively connected with the judging module and the energy supply module and is used for correcting the angle between the photovoltaic module and the ground or the running power of the generator to a corresponding value according to the judging result output by the judging module;
the standard electric energy supply curve f (t) of the first energy supply unit is obtained according to historical information, and is set:
wherein mu is the average output electric energy of the first energy supply unit in one day;
sigma is the variance of the output power of the statistics;
t is time and t.epsilon.7, 20.
2. The comprehensive energy supply management system for climate change zones according to claim 1, wherein the determination module compares the average output power of the first energy supply unit in a single period with the average value of the output power in the corresponding section of the standard power supply curve under a first preset condition and determines whether the output power of the first energy supply unit in the period meets the required determination mode according to the comparison result, wherein the determination module records the average value of the output power in the corresponding section of the standard power supply curve as the preset average power for the period,
The first judging mode is that the judging module judges that the electric energy output by the first energy supply unit in the period meets the requirement, and controls the second detection unit to detect the electric energy output by the first energy supply unit in the next period; the first judging mode meets the condition that the average output electric energy is larger than or equal to the preset average electric energy;
the second judging mode is that the judging module preliminarily judges that the electric energy output by the first energy supply unit in the period is not in accordance with the requirement, and determines the reason that the electric energy output by the first energy supply unit in the period is not in accordance with the requirement according to the difference value of the average output electric energy and the preset average electric energy; the second judging mode meets the condition that the average output electric energy is smaller than the preset average electric energy and is larger than or equal to the minimum output electric energy in the period;
the third judging mode is that the judging module judges that the electric energy output by the first energy supply unit in the period is not in accordance with the requirement, the second energy supply unit is started, and the running power of the generator is regulated to a corresponding value according to the difference value of the average output electric energy and the minimum output electric energy; the third determination means satisfies that the average output electric energy is smaller than the minimum output electric energy in the period;
The first preset condition is that the judging module controls the detecting module to detect the electric energy output by the first energy supply unit in a single period and obtains the average output electric energy of the first energy supply unit in the period according to the detected output electric energy.
3. The comprehensive energy supply management system for a climate change zone according to claim 2, wherein the determination module determines a determination mode of a cause of the electric energy output by the first energy supply unit during the period being unsatisfactory based on a difference between the average output electric energy and the preset average electric energy in the second determination mode, wherein,
the first reason judging mode is that the judging module judges that the reason that the electric energy output by the first energy supply unit in the period does not meet the requirement is that the environment where the first functional unit is located does not meet the preset requirement, and controls the correcting module to correct the angle between the photovoltaic module and the ground to a corresponding value; the first reason judging mode meets the condition that the difference value between the average output electric energy and the preset average electric energy is smaller than or equal to a first preset standard electric energy difference value set by the judging module;
the second reason judging mode is that the judging module judges that the reason that the electric energy output by the first energy supply unit in the period does not meet the requirement is that the receiving area of the photovoltaic module in the first energy supply unit does not meet the preset standard, and controls the correcting module to correct the running power of the generator to a corresponding value; the second reason judging mode meets the condition that the difference value between the average output electric energy and the preset average electric energy is larger than the first preset standard electric energy difference value and smaller than or equal to the second preset standard electric energy difference value set by the judging module, wherein the first preset standard electric energy difference value is smaller than the second preset standard electric energy difference value;
The third factor judging mode is that the judging module preliminarily judges that the reason that the electric energy output by the first energy supply unit does not meet the requirement cannot be determined, and secondarily judges the reason that the electric energy output by the first energy supply unit does not meet the requirement according to the climate evaluation value obtained by the environmental parameter of the environment where the first energy supply unit is located in the period, which is measured by the detecting module; the third factor judging mode meets the condition that the difference value between the average output electric energy and the preset average electric energy is larger than the second preset standard electric energy difference value.
4. The comprehensive energy supply management system for a climate change zone according to claim 3, wherein the determination module determines a secondary determination of a cause of the electrical energy output by the first energy supply unit being unsatisfactory based on the climate evaluation value in the third cause determination, wherein,
the first secondary judgment mode is that the judgment module judges that the reason that the electric energy output by the first energy supply unit does not meet the requirement is that the environment where the first functional unit is located does not meet the preset requirement, and controls the correction module to correct the angle between the photovoltaic module and the ground to a corresponding value; the first secondary judgment mode meets the condition that the climate evaluation value is larger than a preset standard evaluation value set by the judgment module;
The second secondary judgment mode is that the judgment module judges that the reason that the electric energy output by the first energy supply unit does not meet the requirement is that the receiving area of the photovoltaic module in the first energy supply unit does not meet the preset standard, and controls the correction module to correct the running power of the generator to a corresponding value; and the second secondary judgment mode meets the condition that the climate evaluation value is smaller than or equal to the preset standard evaluation value.
5. The integrated energy management system for a climate change zone according to claim 4, wherein the correction module determines a correction mode of the angle of the photovoltaic module to the ground based on a difference between the climate evaluation value and the preset standard evaluation value in the first cause determination mode, wherein,
the first angle correction mode is that the correction module corrects the angle between the photovoltaic module and the ground to a corresponding value by using a first angle correction coefficient; the first angle correction mode meets the condition that the difference value between the climate evaluation value and the preset standard evaluation value is smaller than or equal to the first preset evaluation value difference value set by the correction module;
the second angle correction mode is that the correction module corrects the angle between the photovoltaic module and the ground to a corresponding value by using a second angle correction coefficient; the second angle correction mode meets the condition that the difference value between the climate evaluation value and the preset standard evaluation value is larger than the first preset evaluation value difference value and smaller than or equal to the second preset evaluation value difference value set by the correction module, wherein the first preset evaluation value difference value is smaller than the second preset evaluation value difference value;
The third angle correction mode is that the correction module corrects the angle between the photovoltaic module and the ground to a corresponding value by using a third angle correction coefficient; the third angle correction mode satisfies that the difference between the climate evaluation value and the preset standard evaluation value is larger than the second preset evaluation value difference.
6. The integrated energy management system for climate change zones according to claim 5, wherein the correction module determines a correction of the operating power of the generator based on a difference between the received area of the photovoltaic module and a predetermined standard area in the second cause determination, wherein,
the first power correction mode is that the correction module corrects the running power of the generator to a corresponding value by using a first power correction coefficient; the first power correction mode meets the condition that the difference value between the receiving area of the photovoltaic module and the preset standard area is smaller than or equal to the first preset standard area difference value;
the second power correction mode is that the correction module corrects the running power of the generator to a corresponding value by using a second power correction coefficient; the second power correction mode meets the condition that the difference value between the receiving area of the photovoltaic module and the preset standard area is larger than the first preset standard area difference value and smaller than or equal to the second preset standard area difference value;
The third power correction mode is that the correction module corrects the running power of the generator to a corresponding value by using a third power correction coefficient; the third power correction mode meets the condition that the difference value between the receiving area of the photovoltaic module and the preset standard area is larger than the second preset standard area difference value.
7. The integrated energy management system for climate change zones according to claim 6, wherein the correction module determines a correction pattern of an interval in which t is located in a standard power supply curve f (t) of the first energy supply unit based on a difference between the average output power and the preset average power, wherein,
the first correction mode is that the correction module corrects the interval where t is located to a corresponding interval by using a first correction coefficient; the first correction mode meets the condition that the difference value between the average output electric energy and the preset average electric energy is smaller than or equal to the first preset standard electric energy difference value;
the second correction mode is that the correction module corrects the interval where t is located to a corresponding interval by using a second correction coefficient; the second correction mode satisfies that the difference value between the average output electric energy and the preset average electric energy is larger than the first preset standard electric energy difference value and smaller than or equal to the second preset standard electric energy difference value;
The third correction mode is that the correction module corrects the interval where t is located to a corresponding interval by using a third correction coefficient; the third correction mode satisfies that the difference between the average output electric energy and the preset average electric energy is larger than the second preset standard electric energy difference.
8. The integrated energy supply management system for climate change zones according to claim 7, wherein the correction module determines a correction pattern of the duration of the detection period of the detection module based on the variance of the output power in the standard power supply curve f (t) of the first energy supply unit, wherein,
the first time length correction mode is that the correction module corrects the time length of the detection period of the detection module to a corresponding value by using a first time length adjustment coefficient; the first time length correction mode meets the condition that the variance of the output electric energy is smaller than or equal to a first preset energy supply variance set by the correction module;
the second time length correction mode is that the correction module corrects the time length of the detection period of the detection module to a corresponding value by using a second time length adjustment coefficient; the second time length correction mode meets the condition that the variance of the output electric energy is larger than the first preset energy supply variance and smaller than or equal to the second preset energy supply variance set by the correction module, wherein the first preset energy supply variance is smaller than the second preset energy supply variance;
The third time length correction mode is that the correction module corrects the time length of the detection period of the detection module to a corresponding value by using a third time length adjustment coefficient; the third duration correction mode satisfies that the variance of the output electric energy is larger than the second preset energy supply variance.
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