CN110784175A - User photovoltaic operation monitoring method based on mobile terminal - Google Patents
User photovoltaic operation monitoring method based on mobile terminal Download PDFInfo
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- CN110784175A CN110784175A CN201911226986.3A CN201911226986A CN110784175A CN 110784175 A CN110784175 A CN 110784175A CN 201911226986 A CN201911226986 A CN 201911226986A CN 110784175 A CN110784175 A CN 110784175A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000012544 monitoring process Methods 0.000 title claims abstract description 9
- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000003745 diagnosis Methods 0.000 claims abstract description 8
- 238000010248 power generation Methods 0.000 claims description 23
- 230000005611 electricity Effects 0.000 claims description 18
- 239000000428 dust Substances 0.000 claims description 5
- 238000005286 illumination Methods 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Photovoltaic Devices (AREA)
Abstract
The invention discloses a user photovoltaic operation monitoring method based on a mobile terminal, which comprises the steps of recording the user number, the self-testing month, the photovoltaic installation orientation, the generated energy and the internet power information of a user in advance, then calculating a reasonable generated energy value by a mobile terminal system according to the information, sequentially judging the photovoltaic operation state and checking equipment according to the comparison result of the generated energy of the user and the internet power, and finally issuing a photovoltaic equipment diagnosis report. The invention can realize the detection of the state of the photovoltaic equipment of the user.
Description
Technical Field
The invention relates to a user photovoltaic operation monitoring method based on a mobile terminal, which is used in the field of photovoltaic equipment.
Background
With popularization of national distributed photovoltaic projects, more and more distributed photovoltaics are installed by resident users, and especially in suburb surrounding areas, the normal state is that the photovoltaic equipment is installed on roofs of resident self-built buildings to generate electricity for self use and the electricity generation is connected to the internet. However, after investigating a user site for installing the photovoltaic device in the field, the user still has some problems in the process of using the photovoltaic device:
(1) photovoltaic users do not know photovoltaic knowledge and the operational capabilities of the photovoltaic.
(2) The fault users encountered in the photovoltaic operation have no way to do.
(3) User construction distributed photovoltaic project relates to photovoltaic installation unit, photovoltaic equipment producer, electric wire netting company, the problem that the user meets in the photovoltaic operation, because user self can't judge the fault reason, leads to the user not to know and finds who comes the solution problem.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a user photovoltaic operation monitoring method based on a mobile terminal, which can realize the detection of the state of user photovoltaic equipment.
One technical scheme for achieving the above purpose is as follows: a user photovoltaic operation monitoring method based on a mobile terminal is characterized by comprising the following steps:
step 1, a meter reader inputs a user number, a self-testing month, a photovoltaic installation orientation, a power generation amount and an online electric quantity of a user in a mobile terminal;
step 2, the system calculates a reasonable value of the generated energy according to the input information;
step 3, judging the photovoltaic operation state and checking equipment according to the comparison between the generated energy of the user and the electric quantity of the internet, and specifically comprises the following steps;
step 3.1, generating capacity of a user is in a reasonable range, the power generation capacity of the internet is less than or equal to the generating capacity, the photovoltaic equipment normally operates, and the generating capacity and the power generation capacity of the internet both belong to the reasonable range;
step 3.2, the electric quantity is 0, and the specific steps are as follows;
step 3.2.1, if the generated energy is 0, checking whether the photovoltaic equipment is installed in the first month or whether the inlet and outlet wires of a power generation meter of the photovoltaic equipment are reversely connected;
step 3.2.2, if the power on the internet is 0, checking the difference value between the power generation capacity of the user and the power consumption of the user, and then checking whether the outgoing line of the power generation meter is merged into the outgoing line of the upper net list;
step 3.3.3, if the generated energy and the on-grid electricity quantity are both 0, checking whether a user arrests photovoltaic installation cost, then checking whether an inlet and outlet switch of the electricity generation meter trips, then checking whether the inlet and outlet switch of the on-grid meter is opened, and finally checking the damage condition of the inverter;
step 3.3, the generated energy is smaller than the power quantity of the internet, firstly, whether the installation time of the electricity generation meter is later than that of the upper net list under the condition of a new installation user is determined, then whether the setting of the upper net list is consistent with that of the clock of the electricity generation meter is checked, and finally whether the wiring of the electricity generation meter and the three-phase meter of the upper net list is correct and whether the electricity generation meter has faults or not is checked;
step 3.4, if the generated energy is larger than or equal to the power on line, the generated energy is obviously reduced compared with the previous month, and the specific classification is as follows;
step 3.4.1, if the generated energy is reduced by less than 20%, checking whether the photovoltaic panel has illumination shielding and whether dust is accumulated on the surface of the photovoltaic panel;
step 3.4.2, if the generated energy is reduced by more than 20%, checking whether the photovoltaic panels are damaged, and then checking whether connectors and direct current cables between the photovoltaic panels are damaged;
and 4, issuing a photovoltaic equipment diagnosis report according to the inspection result.
Further, in the step 3.3.3, the types of the inverter failure when the inverter is checked to be damaged are that the inverter switch is manually turned off, the inverter display screen is not displayed, and the inverter is powered off due to the power failure of the national grid supply voltage.
Compared with the prior art, the invention has the advantages or positive effects.
(1) And (3) eliminating the blind spot of the user, namely, the user knows nothing about the photovoltaic operation state, the blind spot exists on photovoltaic knowledge, and the photovoltaic fault diagnosis is not performed from the beginning.
(2) And the user loss is reduced, namely the photovoltaic faults of the user cannot be eliminated in time, the photovoltaic power generation amount is reduced, the photovoltaic subsidy of the user is directly influenced, the photovoltaic faults of the user are eliminated in time through photovoltaic operation diagnosis, and the user loss is reduced.
(3) The power grid company, as a compulsory enterprise, has the ability to develop innovative services for users, has the responsibility to provide better services for users, and is obligated to fulfill the social responsibility.
(4) The distributed photovoltaic project is well developed, namely photovoltaic knowledge propaganda, photovoltaic operation capability introduction and photovoltaic operation diagnosis are provided for photovoltaic users, the users can perceive benefits brought by photovoltaic, and the distributed photovoltaic project is well developed.
Detailed Description
In order to better understand the technical solution of the present invention, the following detailed description is made by specific examples:
the invention discloses a user photovoltaic operation monitoring method based on a mobile terminal, which aims to provide simple attributes such as user electric quantity, months and the like through combing and analyzing photovoltaic operation influence factors and analyzing photovoltaic abnormal operation reasons, so that a meter reader can directly detect the photovoltaic operation condition of a user when in on-site meter reading, and can timely find and inform the user when meeting photovoltaic faults, the blind point of the user on the photovoltaic operation state and photovoltaic knowledge is eliminated by taking the user as a starting point, and the visibility of the user on the photovoltaic operation condition is improved.
The method specifically comprises the following steps:
step 1, a meter reader inputs a user number, a self-testing month, a photovoltaic installation orientation, a power generation amount and an online electric quantity of a user in a mobile terminal.
And 2, calculating a reasonable value of the generated energy according to the input information by the system.
Step 3, photovoltaic operation state judgment and equipment inspection are carried out according to the comparison between the generated energy of the user and the electric quantity of the internet, and the method specifically comprises the following steps:
and 3.1, enabling the generated energy of the user to be within a reasonable range, enabling the power generation amount of the internet to be less than or equal to the generated energy, enabling the photovoltaic equipment to normally operate, and enabling the generated energy and the power generation amount of the internet to be within a reasonable range. Follow-up operation is not needed, and the photovoltaic detection is completed.
Step 3.2, the electric quantity is 0, which is specifically divided into the following conditions:
and 3.2.1, if the generated energy is 0, checking whether the photovoltaic equipment is installed in the first month or whether the inlet and outlet wires of the power generation meter of the photovoltaic equipment are reversely connected.
And 3.2.2, if the power on the Internet is 0, checking the difference value between the power generation capacity of the user and the power consumption of the user, and then checking whether the outgoing line of the power generation meter is merged into the outgoing line of the upper net list.
Step 3.3.3, if the generated energy and the on-grid electric quantity are both 0, firstly checking whether the user arrests the photovoltaic installation cost, and under the condition, a photovoltaic manufacturer can remotely control the inverter of the user to power off, so that the generated energy is zero; then checking whether the inlet and outlet line switch of the electricity generation meter trips or not; then checking whether the online meter incoming and outgoing line switch is opened or not; and finally, checking the inverter damage condition.
For the inverter to be damaged, the following check is performed: the types of the inverter faults when the inverter damage condition is detected are that the inverter switch is manually turned off, the inverter display screen does not display, and the inverter loses power due to the power loss of the national power grid supply voltage.
Step 3.3, when the generated energy is smaller than the power quantity of the internet, firstly, determining whether the installation time of the electricity distribution meter is later than that of the upper net list under the condition that whether the electricity distribution meter is a new user; then, whether the upper net list is consistent with the clock setting of the generating meter or not is checked, and the situation that the upper net list is the frozen electric quantity at the end of the month, but the date error of the generating meter is not frozen at the end of the month possibly occurs; and finally, checking whether the wiring between the power generation meter and the three-phase meter of the upper net list is correct or not and whether the power generation meter has faults or not.
Step 3.4, if the generated energy is larger than or equal to the power on line, the state is a normal state, but if the generated energy is lower than a normal range, or the generated energy is obviously reduced compared with the previous month, the specific classification is as follows;
3.4.1, if the generated energy is reduced by less than 20%, checking whether the photovoltaic panel has illumination shielding, and if the photovoltaic panel has illumination shielding, generally reducing the generated energy by 10% -20%; and then checking whether dust is accumulated on the surface of the photovoltaic panel, wherein the generated energy is generally reduced by 5-10% if the photovoltaic panel has dust.
Step 3.4.2, if the generated energy is reduced by more than 20%, checking whether the photovoltaic panel is damaged, for example, if the photovoltaic panel is divided into three parts, each part is connected in series with each other and is connected with the other two parts in parallel, three paths of power generation share the inverter, if one path (in series) is damaged, the generated energy is reduced by 33%, if the photovoltaic panel is divided into two parts, two paths of power generation share the inverter, and if one path is damaged, the generated energy is reduced by 50%; and then checking whether the connectors and the direct current cables between the photovoltaic panels are damaged or not.
And 4, finally, issuing a photovoltaic equipment diagnosis report by adopting the mobile terminal according to the inspection result.
An exemplary diagnostic report is as follows:
diagnostic report
The house number is: XXXXXXXXX
The name of the house: XXX
Electricity utilization address: xiyangyang street, southern village XX of Qingpu district, Shanghai city
Month: 8 month in 2019
According to comprehensive diagnosis of photovoltaic application capacity, weather conditions, installation orientation, equipment attenuation conditions and the like:
your photovoltaic board has been damaged, for your photovoltaic equipment normal operating, please contact the producer in time and maintain, producer contact way.
Your photovoltaic equipment generated energy is in reasonable scope, please clear up photovoltaic board illumination in time and hide shelves thing.
The generated energy of the photovoltaic equipment is in a reasonable range, and the dust on the photovoltaic panel is cleaned in time.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above described embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (2)
1. A user photovoltaic operation monitoring method based on a mobile terminal is characterized by comprising the following steps:
step 1, a meter reader inputs a user number, a self-testing month, a photovoltaic installation orientation, a power generation amount and an online electric quantity of a user in a mobile terminal;
step 2, the mobile terminal system calculates a reasonable value of the generated energy according to the input information;
step 3, judging the photovoltaic operation state and checking equipment according to the comparison between the generated energy of the user and the electric quantity of the internet, and specifically comprises the following steps;
step 3.1, generating capacity of a user is in a reasonable range, the power generation capacity of the internet is less than or equal to the generating capacity, the photovoltaic equipment normally operates, and the generating capacity and the power generation capacity of the internet both belong to the reasonable range;
step 3.2, the electric quantity is 0, and the specific steps are as follows;
step 3.2.1, if the generated energy is 0, checking whether the photovoltaic equipment is installed in the first month or whether the inlet and outlet wires of a power generation meter of the photovoltaic equipment are reversely connected;
step 3.2.2, if the power on the internet is 0, checking the difference value between the power generation capacity of the user and the power consumption of the user, and then checking whether the outgoing line of the power generation meter is merged into the outgoing line of the upper net list;
step 3.3.3, if the generated energy and the on-grid electricity quantity are both 0, checking whether a user arrests photovoltaic installation cost, then checking whether an inlet and outlet switch of the electricity generation meter trips, then checking whether the inlet and outlet switch of the on-grid meter is opened, and finally checking the damage condition of the inverter;
step 3.3, the generated energy is smaller than the power quantity of the internet, firstly, whether the installation time of the electricity generation meter is later than that of the upper net list under the condition of a new installation user is determined, then whether the setting of the upper net list is consistent with that of the clock of the electricity generation meter is checked, and finally whether the wiring of the electricity generation meter and the three-phase meter of the upper net list is correct and whether the electricity generation meter has faults or not is checked;
step 3.4, if the generated energy is larger than or equal to the power on line, the generated energy is obviously reduced compared with the previous month, and the specific classification is as follows;
step 3.4.1, if the generated energy is reduced by less than 20%, checking whether the photovoltaic panel has illumination shielding and whether dust is accumulated on the surface of the photovoltaic panel;
step 3.4.2, if the generated energy is reduced by more than 20%, checking whether the photovoltaic panels are damaged, and then checking whether connectors and direct current cables between the photovoltaic panels are damaged;
and 4, issuing a photovoltaic equipment diagnosis report according to the inspection result.
2. The method for monitoring the photovoltaic operation of the user based on the mobile terminal according to claim 1, wherein in the step 3.3.3, the types of the inverter failure when the inverter is checked to be damaged are that the inverter switch is manually turned off, the inverter display screen is not displayed, and the inverter is powered off due to the power failure of the national grid supply voltage.
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| CN201911226986.3A CN110784175A (en) | 2019-12-04 | 2019-12-04 | User photovoltaic operation monitoring method based on mobile terminal |
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| CN201911226986.3A CN110784175A (en) | 2019-12-04 | 2019-12-04 | User photovoltaic operation monitoring method based on mobile terminal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114564474A (en) * | 2022-04-28 | 2022-05-31 | 广东电网有限责任公司佛山供电局 | Photovoltaic standing book data automatic verification method and related device |
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| CN109830981A (en) * | 2019-02-25 | 2019-05-31 | 黑龙江大千环保科技有限公司 | A kind of the photovoltaic plant management system and its control method of family grade |
| CN109861396A (en) * | 2019-03-12 | 2019-06-07 | 西藏东旭电力工程有限公司 | Compartmentalization photovoltaic operation management platform |
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Patent Citations (4)
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| JP2012161167A (en) * | 2011-01-31 | 2012-08-23 | Sustainergy Co | Green energy authentication system |
| CN108197774A (en) * | 2017-12-08 | 2018-06-22 | 囯网河北省电力有限公司电力科学研究院 | A kind of abnormality diagnostic method and device of distributed photovoltaic power generation amount |
| CN109830981A (en) * | 2019-02-25 | 2019-05-31 | 黑龙江大千环保科技有限公司 | A kind of the photovoltaic plant management system and its control method of family grade |
| CN109861396A (en) * | 2019-03-12 | 2019-06-07 | 西藏东旭电力工程有限公司 | Compartmentalization photovoltaic operation management platform |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114564474A (en) * | 2022-04-28 | 2022-05-31 | 广东电网有限责任公司佛山供电局 | Photovoltaic standing book data automatic verification method and related device |
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Application publication date: 20200211 |