CN108173349A - A kind of method and system of the power generation data monitoring analysis of photovoltaic power generation apparatus - Google Patents
A kind of method and system of the power generation data monitoring analysis of photovoltaic power generation apparatus Download PDFInfo
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- 238000010248 power generation Methods 0.000 title claims abstract description 103
- 238000012544 monitoring process Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000005611 electricity Effects 0.000 claims abstract description 38
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- 230000004888 barrier function Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005621 ferroelectricity Effects 0.000 description 2
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- G—PHYSICS
- 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
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Abstract
The method that the present invention proposes a kind of power generation data monitoring analysis of photovoltaic power generation apparatus, insufficient in terms of photovoltaic generating system is to power generation electrical energy metering in the prior art for solving the problems, such as, the present invention includes step：S1：Generation current power, utility grid frequency and positive electric energy and reverse power are obtained, and the data of the acquisition are stored by preset format；S2：Whether the generation current for judging to obtain is in generation current preset range, if not within a preset range, carrying out generation current abnormity early warning；S3：Whether the generating voltage for judging to obtain is in voltage preset range, if not within a preset range, carrying out generating voltage abnormity early warning；S4：Leakage current is judged in preset time whether within a preset range, if no longer in preset range, carrying out leakage current abnormity early warning.The analysis of abnormality in this method monitoring photovoltaic power generation apparatus, carries out the metering and storage of power generation electric flux, the monitoring and analysis of situation that perfect user generates electricity to photovoltaic devices.
Description
Technical field
The present invention relates to photovoltaic generation intellectual monitoring field more particularly to a kind of power generation data monitorings of photovoltaic power generation apparatus
The method and system of analysis.
Background technology
With the continuous development of society, the demand of the energy increasingly increases, predominantly traditional energy such as coal, oil, natural gas
In the consumption in source.The traditional energy is non-renewable energy resources, and it is long to form the period, therefore energy problem's growing tension, at present I
Gradually sight is placed in regenerative resource, including wind energy, tide energy, solar energy etc., solar energy is that the mankind are inexhaustible
Nexhaustible regenerative resource, have spatter property, safety, popularity, long lifespan and maintenance-free, the adequate of resource,
The advantages that renewable and potential economy, has critical role in long-term energy strategy.Photovoltaic generation is according to light
Raw volta effect principle, electric energy is converted by solar energy.
Photovoltaic power generation apparatus is placed in many Northwests of China a few days ago, the place that personal user can be suitble at oneself, to
Self power generation is used by oneself, and country can also be sold to by cannoing be used up electricity more than needed, realizes the state of two-win, however for the prison of photovoltaic power generation apparatus
Survey is very important.
Such as the Chinese patent of Publication No. CN104300901A, disclose a kind of photovoltaic generation based on technology of Internet of things
Monitoring device.It includes power supply unit, collecting unit, communication unit and monitoring unit；Power supply unit and each confession in the present apparatus
Electrical components are connected；The input terminal of collecting unit is connected to the output terminal of photovoltaic panel, and the output terminal of collecting unit is connected to communication
Unit；Communication unit is connected to collecting unit and monitoring unit；Monitoring unit is connected to communication unit.It is provided by the invention to be based on
The photovoltaic generation monitoring device of technology of Internet of things can realize the acquisition to photovoltaic panel voltage, electric current and temperature and teletransmission, so as to
Realize the real-time monitoring to single photovoltaic module.
However the above-mentioned published patent, it is in the power generation processes such as Current Voltage or other temperature in monitoring power generator
State, the photovoltaic devices that can not monitor user specific today produce how many electric flux, oneself has used how many electric flux,
Can also how many electric flux can have more than needed, therefore we need design one kind can realize monitoring photovoltaic devices power generation and power generation
Electric flux method and device.
Invention content
The purpose of the present invention is for the defects in the prior art, provide a kind of power generation data monitoring of photovoltaic power generation apparatus
The method and system of analysis, this method by using high-precision computation chip come obtain and measure photovoltaic devices power generation and
Current power, electric flux and mains frequency in user's power generation process, preset time can be accurately counted so as to fulfill user
Power generation situation and power generation and generating state in end all the time.
In order to achieve the goal above, the present invention uses following technical scheme：
The method of the power generation data monitoring analysis of a kind of photovoltaic power generation apparatus, including step：
S1：Generation current power, utility grid frequency and positive electric energy and reverse power are obtained, and is stored up by preset format
Deposit the data of the acquisition；
S2：Whether the generation current for judging to obtain is in generation current preset range, if not in generation current preset range
It is interior, then carry out generation current abnormity early warning；
S3：Whether the generating voltage for judging to obtain is in generating voltage preset range, if not in generating voltage preset range
It is interior, then carry out generating voltage abnormity early warning；
S4：Leakage current is judged in preset time whether within a preset range, if no longer in preset range, carrying out
Leakage current abnormity early warning.
Further, step S1 includes：
S11：Obtain generation current power, utility grid frequency and positive electric energy and reverse power；
S12：Generation current power data is recorded according to the first preset period of time and according to the pre- first default retention periods
It is stored, when retention time is default retention periods node, then empties the data stored in default retention periods；
S13：According to the electric flux during the second preset period of time metering photovoltaic generation and corresponding electric energy
The peak value of amount and valley data, and carry out ferroelectric storage；The electricity in photovoltaic power generation process is recorded according to third preset period of time
Energy increment value, and preset retention periods according to pre- third and stored, when retention time is default retention periods node, then clearly
The data stored in the default retention periods of sky.
Further, step S2 includes：
S21：Judge the generation current obtained whether higher than rated current；
S22：If so, over-current signal is sent to processor；
S23：It is malfunction to control electricity generation system state, and is transmitted across throat floater alarm signal to background server.
Further, step S3 includes：
S31：Judge what whether the generating voltage obtained obtained higher than rated voltage the first preset multiple voltage and judgement
Whether voltage is less than the second preset multiple voltage of rated voltage；
S32：Over-pressed signal is sent if the generating voltage obtained is higher than the first preset multiple voltage of rated voltage to place
Device is managed, if the voltage obtained sends under-voltage signal to processor less than rated voltage the second preset multiple voltage；
S33：It is abnormality to control electricity generation system state, and when the generating voltage obtained is first pre- higher than rated voltage
If multiple voltage is transmitted across the normal alarm signal of reduce off-flavor to background server, when second of the voltage of acquisition less than rated voltage is preset
Multiple voltage sends under-voltage abnormal alarm signal to background server.
Further, step S4 includes：
S41：Acquire the leakage current in preset time period；
S42：The leakage current is judged whether in the range of the first leakage current, if so, control electricity generation system is different
Normal state simultaneously sends leakage current alarm signal to background server；
S43：The leakage current is judged whether in the range of the second leakage current, if so, control electricity generation system is event
Barrier state simultaneously sends leakage current alarm signal to background server.
A kind of system of the power generation data monitoring analysis of photovoltaic power generation apparatus, including：
Acquisition module, for obtaining the electric flux of generation current power, utility grid frequency and power generation, and by default lattice
Formula stores the data of the acquisition；
Monitoring current module：For judging the generation current of acquisition whether in generation current preset range, if not sending out
In electric current preset range, then generation current abnormity early warning is carried out；
Monitoring voltage module, for judging the generating voltage of acquisition whether in generating voltage preset range, if not sending out
In piezoelectric voltage preset range, then generating voltage abnormity early warning is carried out；
Monitoring electric leakage flow module, for whether within a preset range to judge leakage current in preset time, if no longer
In preset range, then leakage current abnormity early warning is carried out.
Further, acquisition module includes：
Acquiring unit, for obtaining the electric flux of generation current power, utility grid frequency and power generation；
Power cell is stored, for recording generation current power data and according to pre- first according to the first preset period of time
Default retention periods are stored, and when retention time is default retention periods node, then empty what is stored in default retention periods
Data；
Forward and reverse electric flux unit is stored, during according to the second preset period of time metering photovoltaic generation
Electric flux and the peak value of corresponding electric flux and valley data, and carry out ferroelectric storage；Remember according to third preset period of time
The electric flux increment size during photovoltaic generation is recorded, and presets retention periods according to pre- third and is stored, when retention time is
Default retention periods node, then empty the data stored in default retention periods.
Further, monitoring current module includes：
Electric current judging unit, for judging the generation current obtained whether higher than rated current；
Electric current alarm unit, for when the generation current obtained is higher than rated current, transmission over-current signal to processor, control
Electricity generation system state processed is malfunction, and is transmitted across throat floater alarm signal to background server.
Further, monitoring voltage module includes：
Voltage judging unit, for judge obtain generating voltage whether higher than rated voltage the first preset multiple voltage with
And judge whether the generating voltage obtained is less than the second preset multiple voltage of rated voltage；
Voltage alarm unit, for if obtain generating voltage higher than rated voltage the first preset multiple voltage if send
Over-pressed signal is to processor, if the generating voltage obtained sends under-voltage signal less than rated voltage the second preset multiple voltage
To processor；Control electricity generation system state is abnormality, and when first of the generating voltage obtained higher than rated voltage is preset
Multiple voltage is transmitted across the normal alarm signal of reduce off-flavor to background server, when the generating voltage of acquisition is second pre- less than rated voltage
If multiple voltage sends under-voltage abnormal alarm signal to background server.
Further, monitoring electric leakage flow module includes：
Collecting unit, for acquiring the leakage current in preset time period；
Leakage current judging unit, for judging whether the leakage current in the range of the first leakage current and judges institute
Leakage current is stated whether in the range of the second leakage current；
Leakage current alarm unit is abnormality for controlling electricity generation system when leakage current is in the range of the first leakage current
And leakage current alarm signal is sent to background server；Electricity generation system is controlled when leakage current is in the range of the second leakage current as event
Barrier state simultaneously sends leakage current alarm signal to background server.
The invention has the advantages that it can be existed by using high-precision computation chip to obtain and measure photovoltaic devices
Power generation and the current power in user's power generation process, electric flux and mains frequency, can accurately count so as to fulfill user
Power generation situation and power generation and generating state in preset time end all the time.It is easy to operate, reduce judgement monolithic battery
The piece out of order time, improve user experience.
Description of the drawings
Fig. 1 is a kind of method flow diagram one of the power generation data monitoring analysis of photovoltaic power generation apparatus of the present invention；
Fig. 2 is a kind of method flow diagram two of the power generation data monitoring analysis of photovoltaic power generation apparatus of the present invention；
Fig. 3 is a kind of system construction drawing one of the power generation data monitoring analysis of photovoltaic power generation apparatus of the present invention；
Fig. 4 is a kind of system construction drawing two of the power generation data monitoring analysis of photovoltaic power generation apparatus of the present invention；
Specific embodiment
The following is specific embodiments of the present invention and with reference to attached drawing, technical scheme of the present invention is further described,
But the present invention is not limited to these embodiments.
Embodiment one
The method for present embodiments providing a kind of power generation data monitoring analysis of photovoltaic power generation apparatus, such as Fig. 1 to Fig. 2 institutes
Show, this method includes：
Generation current power, utility grid frequency and positive electric energy and reverse power are obtained, and is stored by preset format
The data of the acquisition；
Generation current power data is recorded according to the first preset period of time and is carried out according to the pre- first default retention periods
Storage when retention time is default retention periods node, then empties the data stored in default retention periods；I.e. for example user can
System to be set to record a generation current power per half an hour and is preserved 24 hours, serve as 24 hours, emptied the preservation
Generation current power, if wherein in use, photovoltaic power generation apparatus powers off the generation current power for emptying preservation.This reality
The monitoring record in example to generation current power and preservation are applied, can intuitively be reflected using the power generation shape in photovoltaic devices one day
Condition.
Electric flux during the photovoltaic generation and corresponding electric flux are measured according to the second preset period of time
Peak value and valley data, and carry out ferroelectric storage；According to the electricity in third preset period of time record photovoltaic generation, power generation process
Energy increment value, and preset retention periods according to pre- third and stored, when retention time is default retention periods node, then clearly
The data stored in the default retention periods of sky.I.e. user can measure forward and reverse electric flux (forward direction can be photovoltaic generation generate
Electric flux, reverse phase can be the electric flux for the electric user that photovoltaic generation generates) and measured and measured by year, month, day
The statisticss of attributes such as forward and reverse electric flux peak value, valley, and ferroelectricity storage is carried out, user can also set system record per small
When Direct/Reverse electric flux increment size and preserve 24 hours, so as to accurately count the power generation feelings in one day all the time
Therefore condition, user can make corresponding arrangement according to power generation situation, improve the usage experience of user.
Whether the generation current for judging to obtain is in electric current preset range, if not within a preset range, carrying out power generation electricity
Throat floater early warning；
It is specifically：Judge the generation current obtained whether higher than rated current；If so, over-current signal is sent to processing
Device；It is malfunction to control electricity generation system state, and is transmitted across throat floater alarm signal to background server.
Whether the generating voltage for judging to obtain is in generating voltage preset range, if not within a preset range, being sent out
Piezoelectric voltage abnormity early warning；
It is specifically：Judge the generating voltage obtained whether higher than rated voltage the first preset multiple voltage and judgement
Whether the generating voltage of acquisition is less than the second preset multiple voltage of rated voltage；If the generating voltage obtained is higher than rated voltage
The first preset multiple voltage then send over-pressed signal to processor, if the generating voltage obtained is preset less than rated voltage second
Multiple voltage then sends under-voltage signal to processor；It is abnormality to control electricity generation system state, and when the voltage obtained is higher than
First preset multiple voltage of rated voltage is transmitted across the normal alarm signal of reduce off-flavor to background server, when the voltage of acquisition is less than volume
Second preset multiple voltage of constant voltage sends under-voltage abnormal alarm signal to background server.
Wherein for example judge whether voltage is higher than 1.1 times of rated voltage, if more than over-pressed signal, electricity generation system shape is sent
State becomes abnormal and sends alarm signal to server
Judge whether voltage is less than 0.9 times of rated voltage, if less than under-voltage signal is sent, electricity generation system state becomes different
Often and to server send alarm signal
Whether voltage is judged less than 10V, if less than being determined as grid cut-off and sending alarm signal, power generation system to server
System state becomes failure
Leakage current is judged in preset time whether within a preset range, if no longer being leaked in preset range
Current anomaly early warning.
It is specifically：Acquire the leakage current in preset time period；Judge the leakage current whether in the first electric leakage
In the range of stream, if so, control electricity generation system is abnormality and sends leakage current alarm signal to background server；Judge institute
Leakage current is stated whether in the range of the second leakage current, if so, control electricity generation system is malfunction and sends leakage current
Alarm signal is to background server.Such as user can be arranged on 20:00—5:Leakage current is judged between 00, if more than
30ma is determined as 1 grade of electric leakage less than 100ma, sends alarm signal, and generating state is abnormal.It is determined as 2 grades of leakages if more than 100ma
Electricity sends alarm signal, and generating state is failure.
A kind of method of the power generation data monitoring analysis of photovoltaic power generation apparatus provided in this embodiment, can by computation chip
Accurately to measure the power generation of photovoltaic power generation apparatus, generated energy, the power generation situation in one day all the time can be accurately counted
And by daily statistics, it can intuitively reflect power generation situation whole in one day, realize that user sends out oneself photovoltaic
The power generation situation and power generation situation of electric installation.
Embodiment two
The system for present embodiments providing a kind of power generation data monitoring analysis of photovoltaic power generation apparatus, such as Fig. 3 to Fig. 4 institutes
Show, this system includes：Acquisition module, monitoring current module：Monitoring voltage module, monitoring electric leakage flow module,
Further, acquisition module includes：Acquiring unit stores power cell, stores forward and reverse electric flux unit.
Further, monitoring current module includes：Electric current judging unit, electric current alarm unit.
Further, monitoring voltage module includes：Voltage judging unit, voltage alarm unit,
Further, monitoring electric leakage flow module includes：Collecting unit, leakage current judging unit, leakage current alarm unit.
Specific implementation step is：
Generation current power, utility grid frequency and the electric energy of power generation are obtained by the acquiring unit of acquisition module first
Amount；
Then by storing power cell generation current power data is recorded according to the first preset period of time and according to pre-
First default retention periods are stored, and when retention time is default retention periods node, is then emptied in default retention periods and are stored up
The data deposited；I.e. such as user can set system to record primary current power per half an hour and preserve 24 hours, serve as 24
Hour empties the current power of the preservation, if wherein in use, photovoltaic power generation apparatus powers off the electric current for emptying preservation
Power.To the monitoring record of current power and preservation in the present embodiment, can intuitively reflect using in photovoltaic devices one day
Electricity generation situation.
During storing forward and reverse electric flux unit according to the second preset period of time metering photovoltaic generation
Electric flux and the peak value of corresponding electric flux and valley data, and carry out ferroelectric storage；Remember according to third preset period of time
The electric flux increment size in photovoltaic generation, power generation process is recorded, and presets retention periods according to pre- third and is stored, when retaining
Between be default retention periods node, then empty the data stored in default retention periods.I.e. user can measure forward and reverse electric energy
Amount (positive can be the electric flux that photovoltaic generation generates, and reverse phase can be the electric flux for the electric user that photovoltaic generation generates) is simultaneously
The statisticss of attributes such as forward and reverse electric flux peak value, valley are measured and measured by year, month, day, and carry out ferroelectricity storage,
User can also set system to record Direct/Reverse electric flux increment size hourly and preserve 24 hours, so as to accurately unite
Therefore power generation situation of the meter in one day all the time, user can make corresponding arrangement according to power generation situation, improve user
Usage experience.
By monitoring current mould judgement current module in the block, judge the generation current obtained whether higher than rated current；
If so, over-current signal is sent to processor by electric current alarm unit；It is malfunction to control electricity generation system state, and is transmitted across
Throat floater alarm signal is to background server.
By monitoring voltage mould judgement voltage module in the block, judge the generating voltage obtained whether higher than rated voltage the
One preset multiple voltage and judge obtain generating voltage whether be less than rated voltage the second preset multiple voltage；If it obtains
Generating voltage then pass through voltage alarm unit higher than the first preset multiple voltage of rated voltage and send over-pressed signal to handling
Device, if the generating voltage obtained sends under-voltage letter less than rated voltage the second preset multiple voltage by voltage alarm unit
Number to processor；It is abnormality to control electricity generation system state；
And when the generating voltage obtained is sent higher than the first preset multiple voltage of rated voltage by voltage alarm unit
Over-pressed abnormal alarm signal is to background server, when the generating voltage of acquisition is led to less than the second preset multiple voltage of rated voltage
Overvoltage alarm unit sends under-voltage abnormal alarm signal to background server.
Wherein for example judge whether generating voltage is higher than 1.1 times of rated voltage, if more than being sent out by voltage alarm unit
Pressure signal is passed through, electricity generation system state becomes abnormal and sends alarm signal to server
Judge whether generating voltage is less than 0.9 times of rated voltage, if sending under-voltage letter less than by voltage alarm unit
Number, electricity generation system state becomes abnormal and sends alarm signal to server
Further, whether the present embodiment voltage judging unit also can determine whether generating voltage less than 10V, if less than being determined as
Grid cut-off simultaneously passes through voltage alarm unit to server transmission alarm signal, and electricity generation system state becomes failure
Further, the leakage current in preset time period is acquired by collecting unit；And pass through leakage current judging unit and sentence
Whether the leakage current of breaking is in the range of the first leakage current, if so, controlling electricity generation system by leakage current alarm unit
For abnormality and leakage current alarm signal is sent to background server；Judge the leakage current whether in the second leakage current
In the range of, if so, control electricity generation system is malfunction and sends leakage current alarm signal to background server.Such as user
20 can be arranged on:00—5:Leakage current is judged between 00, is determined as 1 grade of electric leakage less than 100ma if more than 30ma, sends
Alarm signal, generating state are abnormal.It is determined as 2 grades of electric leakages if more than 100ma, sends alarm signal, generating state is failure.
A kind of system of the power generation data monitoring analysis of photovoltaic power generation apparatus provided in this embodiment, can be by obtaining mould
Block accurately obtains the generated energy of photovoltaic power generation apparatus, can accurately count the power generation situation in one day all the time and lead to
Daily statistics is crossed, can intuitively reflect power generation situation whole in one day, realizes user to oneself photovoltaic power generation apparatus
Power generation situation and power generation situation, and can pass through monitoring current module, monitoring voltage module and monitoring electric leakage flow module, prison
The state of the Current Voltage and leakage current in photovoltaic power generation apparatus power generation process is surveyed, realizes the real-time prison to photovoltaic power generation apparatus
It surveys and maintains easily, improve user experience.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can do various modifications or additions to described specific embodiment or replace in a similar way
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. the method for the power generation data monitoring analysis of a kind of photovoltaic power generation apparatus, which is characterized in that including step：
S1：Generation current power, utility grid frequency and positive electric energy and reverse power are obtained, and institute is stored by preset format
State the data of acquisition；
S2：The generation current of acquisition is judged whether in generation current preset range, if not in generation current preset range,
Carry out generation current abnormity early warning；
S3：The generating voltage of acquisition is judged whether in generating voltage preset range, if not in generating voltage preset range,
Carry out generating voltage abnormity early warning；
S4：Leakage current is judged in preset time whether within a preset range, if no longer leaking electricity in preset range
Throat floater early warning.
2. a kind of method of the power generation data monitoring analysis of photovoltaic power generation apparatus according to claim 1, which is characterized in that
Step S1 includes：
S11：Obtain generation current power, utility grid frequency and positive electric energy and reverse power；
S12：Generation current power data is recorded according to the first preset period of time and is carried out according to the pre- first default retention periods
Storage when retention time is default retention periods node, then empties the data stored in default retention periods；
S13：According to the electric flux and the peak value of corresponding electric flux during the second preset period of time metering photovoltaic generation
With valley data, and ferroelectric storage is carried out；The electric flux increment in photovoltaic power generation process is recorded according to third preset period of time
Value, and presets retention periods according to pre- third and is stored, and when retention time is default retention periods node, then empties default guarantor
Stay the data stored in the period.
3. a kind of method of the power generation data monitoring analysis of photovoltaic power generation apparatus according to claim 1, which is characterized in that
Step S2 includes：
S21：Judge the generation current obtained whether higher than rated current；
S22：If so, over-current signal is sent to processor；
S23：It is malfunction to control electricity generation system state, and is transmitted across throat floater alarm signal to background server.
4. a kind of method of the power generation data monitoring analysis of photovoltaic power generation apparatus according to claim 1, which is characterized in that
Step S3 includes：
S31：Judge the generating voltage obtained whether higher than rated voltage the first preset multiple voltage and the voltage of judgement acquisition
Whether second preset multiple voltage of rated voltage is less than；
S32：Over-pressed signal is sent to processor if the generating voltage obtained is higher than the first preset multiple voltage of rated voltage,
If the voltage obtained sends under-voltage signal to processor less than rated voltage the second preset multiple voltage；
S33：It is abnormality to control electricity generation system state, and when first default times of the generating voltage obtained higher than rated voltage
Number voltage is transmitted across the normal alarm signal of reduce off-flavor to background server, when the voltage of acquisition is less than the second preset multiple of rated voltage
Voltage sends under-voltage abnormal alarm signal to background server.
5. a kind of method of the power generation data monitoring analysis of photovoltaic power generation apparatus according to claim 1, which is characterized in that
Step S4 includes：
S41：Acquire the leakage current in preset time period；
S42：The leakage current is judged whether in the range of the first leakage current, if so, control electricity generation system is abnormal shape
State simultaneously sends leakage current alarm signal to background server；
S43：The leakage current is judged whether in the range of the second leakage current, if so, control electricity generation system is failure shape
State simultaneously sends leakage current alarm signal to background server.
6. a kind of system of the power generation data monitoring analysis of photovoltaic power generation apparatus, which is characterized in that including：
Acquisition module for obtaining the electric flux of generation current power, utility grid frequency and power generation, and is stored up by preset format
Deposit the data of the acquisition；
Monitoring current module：For judging the generation current of acquisition whether in generation current preset range, if not in power generation electricity
It flows in preset range, then carries out generation current abnormity early warning；
Monitoring voltage module, for judging the generating voltage of acquisition whether in generating voltage preset range, if not in power generation electricity
It presses in preset range, then carries out generating voltage abnormity early warning；
Monitoring electric leakage flow module, for whether within a preset range to judge leakage current in preset time, if no longer default
In the range of, then carry out leakage current abnormity early warning.
7. a kind of system of the power generation data monitoring analysis of photovoltaic power generation apparatus according to claim 6, which is characterized in that
Acquisition module includes：
Acquiring unit, for obtaining the electric flux of generation current power, utility grid frequency and power generation；
Power cell is stored, for recording generation current power data according to the first preset period of time and being preset according to pre- first
Retention periods are stored, and when retention time is default retention periods node, then empty the data stored in default retention periods；
Store forward and reverse electric flux unit, for according to the second preset period of time measure photovoltaic generation during electric flux,
And the peak value of corresponding electric flux and valley data, and carry out ferroelectric storage；Photovoltaic is recorded according to third preset period of time
Electric flux increment size in power generation process, and preset retention periods according to pre- third and stored, when retention time is protected to be default
Periodic knot is stayed, then empties the data stored in default retention periods.
8. a kind of system of the power generation data monitoring analysis of photovoltaic power generation apparatus according to claim 6, which is characterized in that
Monitoring current module includes：
Electric current judging unit, for judging the generation current obtained whether higher than rated current；
Electric current alarm unit, for when the generation current obtained is higher than rated current, transmission over-current signal to processor, control hair
Electric system state is malfunction, and is transmitted across throat floater alarm signal to background server.
9. a kind of system of the power generation data monitoring analysis of photovoltaic power generation apparatus according to claim 6, which is characterized in that
Monitoring voltage module includes：
Voltage judging unit, for judging the generating voltage obtained whether higher than rated voltage the first preset multiple voltage and sentencing
Whether the disconnected generating voltage obtained is less than the second preset multiple voltage of rated voltage；
Voltage alarm unit, for if obtain generating voltage higher than rated voltage the first preset multiple voltage if send overvoltage
Signal is to processor, if the generating voltage obtained sends under-voltage signal to place less than rated voltage the second preset multiple voltage
Manage device；It is abnormality to control electricity generation system state, and when the generating voltage obtained is higher than the first preset multiple of rated voltage
Voltage is transmitted across the normal alarm signal of reduce off-flavor to background server, when second of the generating voltage of acquisition less than rated voltage is preset again
Number voltage sends under-voltage abnormal alarm signal to background server.
10. a kind of system of the power generation data monitoring analysis of photovoltaic power generation apparatus according to claim 6, feature exist
In monitoring electric leakage flow module includes：
Collecting unit, for acquiring the leakage current in preset time period；
Leakage current judging unit, for judging whether the leakage current in the range of the first leakage current and judges the leakage
Whether size of current is in the range of the second leakage current；
Leakage current alarm unit, for controlling electricity generation system concurrent for abnormality when leakage current is in the range of the first leakage current
Leakage current alarm signal is sent to background server；It is failure shape that electricity generation system is controlled when leakage current is in the range of the second leakage current
State simultaneously sends leakage current alarm signal to background server.
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