CN108181534B - Power generation analysis method and system for photovoltaic power generation full-amount internet surfing - Google Patents
Power generation analysis method and system for photovoltaic power generation full-amount internet surfing Download PDFInfo
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- CN108181534B CN108181534B CN201810067857.3A CN201810067857A CN108181534B CN 108181534 B CN108181534 B CN 108181534B CN 201810067857 A CN201810067857 A CN 201810067857A CN 108181534 B CN108181534 B CN 108181534B
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- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
Abstract
The invention provides a power generation analysis method for full online photovoltaic power generation, which is used for solving the problem that the electric energy of a spontaneous and self-used part of a photovoltaic device cannot be counted in the prior art, and comprises the following steps: s1: acquiring and recording the electricity consumption energy of the photovoltaic device and the electricity generation energy of the photovoltaic device within a first preset time; s2: acquiring the electricity consumption energy of the photovoltaic device in the first preset time and stopping for a second preset time after the electricity generation energy of the photovoltaic device is acquired; s3: judging whether the electricity consumption energy of the photovoltaic device is subjected to preset change, if so, judging whether the electricity generation energy of the photovoltaic power generation device is subjected to preset change; s4: if so, recording and analyzing the electricity consumption energy of the photovoltaic device after the preset change and the electricity generation energy of the photovoltaic power generation device. By adopting the method and the device, the spontaneous and self-used electric energy of the photovoltaic device in the power generation process can be recorded, and the monitoring and electric quantity statistics of the photovoltaic device by a user are improved.
Description
Technical Field
The invention relates to the field of monitoring of photovoltaic power generation devices, in particular to a method and a system for power generation analysis of full online photovoltaic power generation.
Background
In the northwest regions of China, an individual user can place a photovoltaic power generation device at a suitable place of the individual user, so that the individual user can use the photovoltaic power generation device automatically, and can sell surplus electricity to the country to realize a win-win state, but the monitoring of the photovoltaic power generation device is very important.
However, a part of electricity is used by the photovoltaic power generation device in the power generation process, and often cannot be known by a user, and the photovoltaic power generation product in the prior art cannot count the electric energy of the self-powered part of the photovoltaic power generation device.
For example, the Chinese patent with publication number 106230347A discloses a photovoltaic power generation control system for smarthouses, which is used for monitoring the working condition of the system, transmitting system information and controlling the reasonable and effective use of electric energy by using a digital control technology and an internet technology. The energy sources of the system are three respectively: the intelligent electric energy management system has the advantages that the intelligent electric energy management system can monitor the energy data, reasonably analyze the most suitable electric energy flow for the household user and create the greatest economic benefit for the household user, wherein the photovoltaic power generation energy, the energy stored by the battery and the energy obtained from the power grid; meanwhile, the system can analyze and process the information of the photovoltaic power generation amount, indirectly know a series of related information such as illumination information and temperature information, and the information can be analyzed by an intelligent electric manager to control household intelligent equipment, so that all convenience is provided for a user, and the user can enjoy the pleasure brought by science and technology. The system is a supplement to a common household photovoltaic power generation system, can help household users reasonably and efficiently dispatch and use electric energy, integrates a digital control technology, an internet technology and a photovoltaic technology, and has higher theoretical research and social practice values under the large background of energy internet.
The above-mentioned patent discloses that the electric energy required by the photovoltaic device itself cannot be calculated, so that the power generation data of the photovoltaic device obtained by testing will be less than the power generation data of the actual photovoltaic device, and in order to test the electric energy used by the photovoltaic power generation device, it is necessary to design an electric energy system capable of monitoring the spontaneous use of the photovoltaic power generation device.
Disclosure of Invention
The invention aims at overcoming the defects in the prior art and provides a method and a system for power generation analysis of full-amount internet surfing of photovoltaic power generation.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a method for power generation analysis for full online photovoltaic power generation, comprising the steps of:
s1: acquiring and recording the electricity consumption energy of the photovoltaic device and the electricity generation energy of the photovoltaic device within a first preset time;
s2: acquiring the electricity consumption energy of the photovoltaic device in the first preset time and stopping for a second preset time after the electricity generation energy of the photovoltaic device is acquired;
s3: judging whether the electricity consumption energy of the photovoltaic device is subjected to preset change, if so, judging whether the electricity generation energy of the photovoltaic power generation device is subjected to preset change, and if not, repeating the step S1;
s4: if the power generation energy of the photovoltaic power generation device is subjected to preset change, recording and analyzing the power utilization energy of the photovoltaic device and the power generation energy of the photovoltaic power generation device after the preset change, and if the power generation energy of the photovoltaic power generation device is not subjected to the preset change, repeating the step S1.
Further, step S4 includes the steps of:
s41: if the power generation energy of the photovoltaic power generation device is subjected to preset change, recording the power utilization energy of the photovoltaic device and the increment of the power generation energy of the photovoltaic power generation device;
s42: according to a preset algorithm, analyzing and calculating the spontaneous and self-used electric energy of the photovoltaic device;
s43: and recording the self-power-consumption energy of the photovoltaic device.
Further, step S43 includes:
s431: recording self-power-consumption energy information of the photovoltaic device according to a first preset time period;
s432: recording a peak valley value of the spontaneous electric energy of the photovoltaic device;
s433: and counting the electric energy information recorded according to the first preset time period and peak valley values in the spontaneous self-use process.
A system for power generation analysis for full online photovoltaic power generation, comprising:
the acquisition module is used for acquiring the electricity consumption energy of the photovoltaic device and the electricity generation energy of the photovoltaic device within a first preset time and recording the electricity consumption energy and the electricity generation energy;
the stay module is used for acquiring the electricity consumption energy of the photovoltaic device and the power generation energy of the photovoltaic device in the first preset time and then staying for the second preset time;
the judging module is used for judging whether the electricity consumption energy of the photovoltaic device is subjected to preset change, if so, judging whether the electricity generation energy of the photovoltaic power generation device is subjected to preset change;
the record analysis module is used for recording and analyzing the power consumption energy of the photovoltaic device and the power generation energy of the photovoltaic power generation device after the preset change when the power generation energy of the photovoltaic power generation device is subjected to the preset change.
Further, the record analysis module includes:
the recording increment unit is used for recording the electricity consumption energy of the photovoltaic device and the increment of the electricity generation energy of the photovoltaic power generation device when the electricity generation energy of the photovoltaic power generation device is subjected to preset change;
the calculation unit is used for analyzing and calculating the spontaneous and self-used electric energy of the photovoltaic device according to a preset algorithm;
and the self-powered electricity energy unit is used for recording the self-powered electricity energy of the photovoltaic device.
Further, the recording of the self-powered energy unit includes:
the first recording unit is used for recording the self-power-utilization energy information of the photovoltaic device according to a first preset time period;
the second recording unit is used for recording peak valley values of the spontaneous and self-used electric energy of the photovoltaic device;
and the statistics unit is used for counting the electric energy information recorded according to the first preset time period and the peak valley value in the spontaneous self-use process.
The beneficial effects of the invention are as follows: according to the method for analyzing the power generation and the power consumption of the photovoltaic device, the information of the power energy is recorded according to the preset time and the peak valley of the power generation of the photovoltaic device, so that a user can intuitively judge the state information of the power energy which is used by the photovoltaic device automatically through the hardware end of the power generation device, and the method is more accurate and convenient, and improves the user experience.
Drawings
FIG. 1 is a flowchart of a method for power generation analysis for full online photovoltaic power generation according to the present invention;
FIG. 2 is a flow chart diagram of a second method for power generation analysis for full online photovoltaic power generation according to the present invention;
FIG. 3 is a first system architecture diagram of the power generation analysis for full online photovoltaic power generation of the present invention;
fig. 4 is a second system structure diagram of the power generation analysis for full online photovoltaic power generation.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
Example 1
The embodiment provides a method for power generation analysis of full online photovoltaic power generation, as shown in fig. 1 to 2, the method includes the steps of:
s1: acquiring and recording the electricity consumption energy of the photovoltaic device and the electricity generation energy of the photovoltaic device within a first preset time;
s2: acquiring the electricity consumption energy of the photovoltaic device in the first preset time and stopping for a second preset time after the electricity generation energy of the photovoltaic device is acquired;
s3: judging whether the electricity consumption energy of the photovoltaic device is subjected to preset change, if so, judging whether the electricity generation energy of the photovoltaic power generation device is subjected to preset change, and if not, repeating the step S1;
s4: if the power generation energy of the photovoltaic power generation device is subjected to preset change, recording and analyzing the power utilization energy of the photovoltaic device and the power generation energy of the photovoltaic power generation device after the preset change, and if the power generation energy of the photovoltaic power generation device is not subjected to the preset change, repeating the step S1.
Further, step S4 includes the steps of:
s41: if the power generation energy of the photovoltaic power generation device is subjected to preset change, recording the power utilization energy of the photovoltaic device and the increment of the power generation energy of the photovoltaic power generation device;
s42: according to a preset algorithm, analyzing and calculating the spontaneous and self-used electric energy of the photovoltaic device;
s43: and recording the self-power-consumption energy of the photovoltaic device.
According to the method for analyzing the power generation and the power utilization of the photovoltaic power generation full-on-line, the power consumption and the power generation energy of the photovoltaic device in the preset time are obtained, and then the obtained power consumption and the power generation energy of the photovoltaic device are analyzed through the preset period, so that the spontaneous and self-used electric quantity of the photovoltaic device can be calculated.
The user can judge how much electricity the photovoltaic device consumes by himself through the calculated self-power consumption, how much electricity can be sent to the national power grid, whether the electricity is leaked in the middle is judged and recorded through the calculation result.
Further, step S43 includes:
s431: recording self-power-consumption energy information of the photovoltaic device according to a first preset time period;
s432: recording a peak valley value of the spontaneous electric energy of the photovoltaic device;
s433: and counting the electric energy information recorded according to the first preset time period and peak valley values in the spontaneous self-use process.
The method can record and store the self-power-consumption energy of the photovoltaic power generation device according to a preset mode after the self-power-consumption energy of the photovoltaic power generation device is calculated, can store the self-power-consumption energy of the photovoltaic power generation device for ten minutes or one hour or 12 hours or 24 hours and the like, can record the peak valley value of the self-power-consumption energy of the photovoltaic power generation device, and can judge the self-power-consumption state of the photovoltaic power generation device in the preset time through the recorded peak valley value, so that the method is visual and clear.
Example two
The present embodiment provides a system for power generation analysis of full online photovoltaic power generation, as shown in fig. 3 to 4, the system includes:
a system for power generation analysis for full online photovoltaic power generation, comprising:
the acquisition module is used for acquiring the electricity consumption energy of the photovoltaic device and the electricity generation energy of the photovoltaic device within a first preset time and recording the electricity consumption energy and the electricity generation energy;
the stay module is used for acquiring the electricity consumption energy of the photovoltaic device and the power generation energy of the photovoltaic device in the first preset time and then staying for the second preset time;
the judging module is used for judging whether the electricity consumption energy of the photovoltaic device is subjected to preset change, if so, judging whether the electricity generation energy of the photovoltaic power generation device is subjected to preset change;
the record analysis module is used for recording and analyzing the power consumption energy of the photovoltaic device and the power generation energy of the photovoltaic power generation device after the preset change when the power generation energy of the photovoltaic power generation device is subjected to the preset change.
Further, the record analysis module includes:
the recording increment unit is used for recording the electricity consumption energy of the photovoltaic device and the increment of the electricity generation energy of the photovoltaic power generation device when the electricity generation energy of the photovoltaic power generation device is subjected to preset change;
the calculation unit is used for analyzing and calculating the spontaneous and self-used electric energy of the photovoltaic device according to a preset algorithm;
and the self-powered electricity energy unit is used for recording the self-powered electricity energy of the photovoltaic device.
Further, the recording of the self-powered energy unit includes:
the first recording unit is used for recording the self-power-utilization energy information of the photovoltaic device according to a first preset time period;
the second recording unit is used for recording peak valley values of the spontaneous and self-used electric energy of the photovoltaic device;
and the statistics unit is used for counting the electric energy information recorded according to the first preset time period and the peak valley value in the spontaneous self-use process.
According to the system for analyzing the power generation and the power consumption of the photovoltaic power generation full-on-line, the power consumption and the power generation energy of the photovoltaic device in the preset time are obtained through the obtaining module, then the obtained power consumption and the power generation energy of the photovoltaic device are analyzed in the preset period through the recording and analyzing module, and the spontaneous and self-used electric quantity of the photovoltaic device can be calculated.
Further, in the system, a user can judge how much electricity is consumed by the photovoltaic device through the calculated self-power consumption, how much electricity can be sent to a national power grid, and whether the electricity is leaked or not in the middle can be judged and recorded through the calculation result.
After the self-powered electricity energy of the photovoltaic power generation device is calculated, the self-powered electricity energy unit recorded by the system can be recorded and stored in a preset mode, the self-powered electricity energy unit can be stored in a first recording unit in ten minutes, one hour, 12 hours, 24 hours or the like, the peak valley value of the self-powered electricity of the photovoltaic device can be recorded by a second recording unit, and a user can judge the self-powered state of the photovoltaic device in the preset time through the recorded peak valley value, so that the self-powered electricity generation system is visual and clear.
The system for power generation analysis of full-line photovoltaic power generation provided by the embodiment can directly realize statistics of the spontaneous and self-used partial electric quantity of the photovoltaic device during full-line photovoltaic power generation at a hardware end, and the residual electric quantity can be counted at a background server through a network, so that the statistical accuracy of the power generation energy of the photovoltaic device by a user is improved, the user can know the power generation energy of the photovoltaic device more conveniently, and the user experience is improved.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (4)
1. A method for power generation analysis for full online photovoltaic power generation, comprising the steps of:
s1: acquiring and recording the electricity consumption energy of the photovoltaic device and the electricity generation energy of the photovoltaic device within a first preset time;
s2: acquiring the electricity consumption energy of the photovoltaic device in the first preset time and stopping for a second preset time after the electricity generation energy of the photovoltaic device is acquired;
s3: judging whether the electricity consumption energy of the photovoltaic device is subjected to preset change, if so, judging whether the electricity generation energy of the photovoltaic power generation device is subjected to preset change, and if not, repeating the step S1;
s4: if the power generation energy of the photovoltaic power generation device is subjected to preset change, recording and analyzing the power utilization energy of the photovoltaic device and the power generation energy of the photovoltaic power generation device after the preset change, and if the power generation energy of the photovoltaic power generation device is not subjected to the preset change, repeating the step S1;
step S4 includes the steps of:
s41: if the power generation energy of the photovoltaic power generation device is subjected to preset change, recording the power utilization energy of the photovoltaic device and the increment of the power generation energy of the photovoltaic power generation device;
s42: according to a preset algorithm, analyzing and calculating the spontaneous and self-used electric energy of the photovoltaic device;
s43: and recording the self-power-consumption energy of the photovoltaic device.
2. The method for power generation analysis for full online photovoltaic power generation according to claim 1, wherein step S43 comprises:
s431: recording self-power-consumption energy information of the photovoltaic device according to a first preset time period;
s432: recording a peak valley value of the spontaneous electric energy of the photovoltaic device;
s433: and counting the electric energy information recorded according to the first preset time period and peak valley values in the spontaneous self-use process.
3. A system for power generation analysis for full online photovoltaic power generation, comprising:
the acquisition module is used for acquiring the electricity consumption energy of the photovoltaic device and the electricity generation energy of the photovoltaic device within a first preset time and recording the electricity consumption energy and the electricity generation energy;
the stay module is used for acquiring the electricity consumption energy of the photovoltaic device and the power generation energy of the photovoltaic device in the first preset time and then staying for the second preset time;
the judging module is used for judging whether the electricity consumption energy of the photovoltaic device is subjected to preset change, if so, judging whether the electricity generation energy of the photovoltaic power generation device is subjected to preset change;
the record analysis module is used for recording and analyzing the power consumption energy of the photovoltaic device and the power generation energy of the photovoltaic power generation device after the preset change when the power generation energy of the photovoltaic power generation device is subjected to the preset change;
the record analysis module comprises:
the recording increment unit is used for recording the electricity consumption energy of the photovoltaic device and the increment of the electricity generation energy of the photovoltaic power generation device when the electricity generation energy of the photovoltaic power generation device is subjected to preset change;
the calculation unit is used for analyzing and calculating the spontaneous and self-used electric energy of the photovoltaic device according to a preset algorithm;
and the self-powered electricity energy unit is used for recording the self-powered electricity energy of the photovoltaic device.
4. A system for power generation analysis for full online photovoltaic power generation according to claim 3, wherein recording the self-generated electricity energy unit comprises:
the first recording unit is used for recording the self-power-utilization energy information of the photovoltaic device according to a first preset time period;
the second recording unit is used for recording peak valley values of the spontaneous and self-used electric energy of the photovoltaic device;
and the statistics unit is used for counting the electric energy information recorded according to the first preset time period and the peak valley value in the spontaneous self-use process.
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