CN103116066A - Method and device for determining power tap position of photovoltaic module - Google Patents
Method and device for determining power tap position of photovoltaic module Download PDFInfo
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Abstract
The invention provides a method and a device for determining a power tap position of a photovoltaic module. The method includes the steps: firstly, receiving multi-term test data of the photovoltaic module and analyzing the multi-term test data to obtain multi-term performance parameters of the photovoltaic module; secondly, judging whether the multi-term performance parameters are positioned within respective preset ranges; and thirdly, determining the power tap position of the photovoltaic module when all the multi-term performance parameters are positioned within the respective preset ranges. The power tap position of the photovoltaic module is determined in a non-manual mode, so that the method solves the problem that the error ratio of determined results of the power tap position of the photovoltaic module is increased due to fatigue of workers when the workers periodically repeat the same action for a long time as the power tap position of the photovoltaic module is mainly manually determined in the prior art.
Description
Technical field
The application relates to the photovoltaic module technical field, particularly relates to a kind of definite method and device of photovoltaic module power gear.
Background technology
Photovoltaic module is to have encapsulation and internal links, direct current output can be provided separately, indivisible minimum solar cell composite set.Photovoltaic module all has a wide range of applications in fields such as field of traffic, oil, ocean and meteorologies, and the power of the photovoltaic module of different application field use is different.Therefore, use normally in every field in order to guarantee photovoltaic module, to definite very important technology that has become in society of photovoltaic module power gear.
Prior art is mainly by the staff, every test data of the photovoltaic module that shows on computer screen to be analyzed, and then realizes determining the photovoltaic module power gear.
By the research to prior art, the inventor finds: prior art mainly relies on manually to be determined the power gear of photovoltaic module, for a long time, periodically repeat identical action, easily make the staff tired, and then cause the photovoltaic module power gear is determined that the error rate of result increases.
Summary of the invention
In view of this, the embodiment of the present application provides a kind of definite method and device of photovoltaic module power gear, mainly rely on manually with the solution prior art power gear of photovoltaic module is determined, for a long time, periodically repeat identical action, easily make the staff tired, and then cause the photovoltaic module power gear is determined the problem that the error rate of result increases.
To achieve these goals, the technical scheme that provides of the embodiment of the present application is as follows:
A kind of definite method of photovoltaic module power gear comprises:
Receive the multinomial test data of photovoltaic module;
Multinomial described test data analysis is obtained the multinomial performance parameter of described photovoltaic module;
Judge whether multinomial described performance parameter all is located at separately in preset range;
When multinomial described performance parameter all is positioned at separately preset range, determine the power gear of described photovoltaic module.
Preferably, described method also comprises:
Generate the cue corresponding with the power gear of described photovoltaic module, and point out.
Preferably, multinomial described test data comprises at least: volt-ampere characteristic, and multinomial described performance parameter comprises at least: peak power, the described multinomial performance parameter that described test data analysis is obtained described photovoltaic module comprises:
Obtain voltage and current according to described volt-ampere characteristic;
Utilize described voltage and described electric current, calculate the peak power of described photovoltaic module.
Preferably, the described power gear of determining described photovoltaic module comprises:
Judge the relation between described peak power and a plurality of default power bracket;
According to the default power bracket under described peak power, determine the power gear of described photovoltaic module.
Preferably, when in multinomial described performance parameter, any one was not positioned at its preset range, the method also comprised: send warning message.
A kind of definite device of photovoltaic module power gear comprises: test data receiving element, performance parameter analytic unit, performance parameter judging unit and power gear determining unit, wherein,
Described test data receiving element is used for receiving the multinomial test data of photovoltaic module;
Described performance parameter analytic unit is connected with described test data receiving element, is used for multinomial described test data analysis is obtained the multinomial performance parameter of described photovoltaic module;
Described performance parameter judging unit is connected with described performance parameter analytic unit, is used for judging whether multinomial described performance parameter all is positioned at preset range separately;
Described power gear determining unit is connected with described performance parameter judging unit, is used for determining the power gear of described photovoltaic module when multinomial described performance parameter all is positioned at separately preset range.
Preferably, definite device of described photovoltaic module power gear also comprises: signal generation unit and Tip element, wherein,
Described signal generation unit is connected with described power gear determining unit, is used for generating the cue corresponding with the power gear of described photovoltaic module;
Described Tip element is connected with described signal generation unit, is used for pointing out according to described cue.
Preferably, described power gear determining unit comprises: concern that judging unit and power gear determine subelement, wherein,
Describedly concern that judging unit is connected with described performance parameter judging unit, be used for judging the relation between described peak power and a plurality of default power bracket;
Described power gear determines that subelement concerns that with described judging unit is connected, and is used for according to the default power bracket under described peak power, determines the power gear of described photovoltaic module.
Preferably, when in multinomial described performance parameter, any one was not positioned at its preset range, this device also comprised alarm unit, wherein,
Described alarm unit is connected with described performance parameter judging unit, is used for sending warning message.
By above technical scheme as seen, definite method of the photovoltaic module power gear that the embodiment of the present application provides, by receiving the multinomial test data of photovoltaic module, and multinomial test data analysis is obtained the multinomial performance parameter of photovoltaic module, then judge whether the multinomial performance parameter all is positioned at preset range separately, when the multinomial performance parameter all is positioned at separately preset range, determine the power gear of this photovoltaic module.The method is determined the power gear of photovoltaic module by unartificial mode, thereby having avoided prior art mainly to rely on manually determines the power gear of photovoltaic module, for a long time, periodically repeat identical action, easily make the staff tired, and then cause the photovoltaic module power gear is determined the problem that the error rate of result increases.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, the accompanying drawing that the following describes is only some embodiment that put down in writing in the application, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Definite method flow diagram of a kind of photovoltaic module power gear that Fig. 1 provides for the embodiment of the present application one;
Definite method flow diagram of a kind of photovoltaic module power gear that Fig. 2 provides for the embodiment of the present application two;
Fig. 3 implements for the application the structural representation that the three a kind of photovoltaic module power gears that provide are determined device;
Fig. 4 implements for the application the structural representation that the four a kind of photovoltaic module power gears that provide are determined device.
Embodiment
In order to make those skilled in the art person understand better technical scheme in the application, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only the application's part embodiment, rather than whole embodiment.Based on the embodiment in the application, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all should belong to the scope of the application's protection.
Embodiment one
Definite method flow diagram of a kind of photovoltaic module power gear that Fig. 1 provides for the embodiment of the present application.
As shown in Figure 1, the method comprises:
The multinomial test data of S101, reception photovoltaic module.
In the embodiment of the present application, at first the method receives the multinomial test data of photovoltaic module, and wherein, the multinomial test data of the photovoltaic module that receives comprises at least: the volt-ampere characteristic of this photovoltaic module, temperature and fill factor, curve factor.
S102, multinomial test data analysis is obtained the multinomial performance parameter of photovoltaic module.
In the embodiment of the present application, the multinomial performance parameter of this photovoltaic module comprises at least: temperature, open-circuit voltage, maximum power point voltage, fill factor, curve factor, peak power and short-circuit current.
In the embodiment of the present application, for fear of the error of temperature, can analyze by the test data to temperature, thereby the temperature that receives is carried out error compensation, obtain the performance parameter of temperature.As: according to the practical experience analysis as can be known, there are the error of+2 ℃ in the test data of temperature and actual temperature, in the method, when the test data of the temperature that receives was 30 ℃, the performance parameter that obtains this temperature by the test data analysis to this temperature was 32 ℃.
Test data for fear of fill factor, curve factor is inaccurate, in the embodiment of the present application, can carry out error compensation to the fill factor, curve factor that receives, and analyzes the performance parameter that obtains fill factor, curve factor, and compensation method repeats no more here referring to above-mentioned compensation method to temperature.
Simultaneously, in the embodiment of the present application, the multinomial performance parameter that multinomial test data analysis is obtained photovoltaic module can also comprise: the volt-ampere characteristic analysis by the photovoltaic module in multinomial test data obtains the performance parameter of open-circuit voltage of this photovoltaic module and the performance parameter of short-circuit current.In addition, can also obtain voltage and current on this volt-ampere characteristic by the volt-ampere characteristic of this photovoltaic module, then according to the voltage and current that gets, and P=I*V calculates the performance parameter of this photovoltaic module peak power, wherein P is power, and I is electric current, and V is voltage.After the performance parameter that calculates this photovoltaic module peak power, can also according to this peak power and volt-ampere characteristic, calculate this photovoltaic module in the performance parameter of maximum power point voltage.
S103, judge whether the multinomial performance parameter all is positioned at preset range separately.
In the embodiment of the present application, at first can preset temperature range be 20 ℃-30 ℃, default open-circuit voltage scope be the voltage range of 36.6V-37.8V, default maximum power point for being 70%-76% less than 37.8V and default fill factor, curve factor scope, then whether the performance parameters such as temperature, open-circuit voltage, maximum power point voltage and fill factor, curve factor that obtain of discriminatory analysis lay respectively at separately in preset range.
Simultaneously, in the method, the inventor can also set in advance the peak power scope according to client's demand, judges then whether the peak power in the multinomial performance parameter that receives is positioned at its default peak power scope.
In the embodiment of the present application, judge the multinomial performance parameter whether respectively the order in preset range separately do not do restriction, the inventor can arrange arbitrarily according to the demand of oneself the judgement order of multinomial performance parameter.
S104, determine the power gear of photovoltaic module.
In the embodiment of the present application, the inventor can set in advance according to client's demand several different power brackets, and these power brackets are respectively to there being corresponding power gear, as: 240W-244W and 245W-249W, and the power gear of the photovoltaic module of peak power in the 240W-244W scope is defined as the 240W shelves, the power gear of the photovoltaic module of peak power in the 245W-249W scope is defined as the 245W shelves.
When judging the multinomial performance parameter and all be positioned at separately preset range, peak power in judgement multinomial performance parameter and the relation between a plurality of default power bracket, namely which default power bracket is this peak power be positioned at, then according to the default power bracket under this peak power, and should preset the corresponding power gear of power bracket, determine the power gear of this photovoltaic module.
This shows, definite method of the photovoltaic module power gear that the embodiment of the present application provides, by receiving the multinomial test data of photovoltaic module, and this multinomial test data analysis is obtained the multinomial performance parameter of photovoltaic module, then judge whether the multinomial performance parameter all is positioned at preset range separately, when the multinomial performance parameter all is positioned at separately preset range, determine the power gear of this photovoltaic module.The method is determined the power gear of photovoltaic module by unartificial mode, thereby having avoided prior art mainly to rely on manually determines the power gear of photovoltaic module, for a long time, periodically repeat identical action, easily make the staff tired, and then cause the photovoltaic module power gear is determined the problem that the error rate of result increases.
Embodiment two
Definite method flow diagram of a kind of power gear that Fig. 2 provides for the embodiment of the present application two.
As shown in Figure 2, the method comprises:
The multinomial test data of S201, reception photovoltaic module
S202, multinomial test data analysis is obtained the multinomial performance parameter of photovoltaic module.
S203, judge whether the multinomial performance parameter all is positioned at preset range separately.
The step S201-S203 that the embodiment of the present application two provides respectively with above-described embodiment one in step S101-S103 corresponding one by one, the detailed description of the step S201-S203 that the embodiment of the present application two provides sees also the step S101-S103 in the embodiment of the present application one, does not repeat them here.
Relation between S204, judgement peak power and a plurality of default power bracket.
In the embodiment of the present application, the inventor sets in advance several different power brackets according to client's demand, and these power brackets are respectively to there being corresponding power gear, as: 240W-244W and 245W249W, and the power gear of the photovoltaic module of peak power in the 240W-244W scope is defined as the 240W shelves, the power gear of the photovoltaic module of peak power in the 245W-249W scope is defined as the 245W shelves.
When judging the multinomial performance parameter and all be positioned at separately preset range, peak power and the relation between a plurality of default power bracket in judgement multinomial performance parameter, namely this peak power is positioned at the power bracket which is preset.
When any one is not positioned at its preset range in judging the multinomial performance parameter, execution in step S208.
S205, determine the power gear of photovoltaic module.
According to the default power bracket under this peak power, and should preset the corresponding power gear of power bracket, determine the power gear of this photovoltaic module.
S206, the generation cue corresponding with the power gear of photovoltaic module.
In the embodiment of the present application, after the power gear of determining photovoltaic module, can also generate the cue corresponding with the power gear of this photovoltaic module, this cue can be word and/or voice etc.
S207, point out according to cue.
In the application implements, point out according to the cue that generates, when this cue is word, can point out by display screen; When this cue is voice, can point out by player.
S208, send warning message.
When any one was not positioned at its preset range in judging the multinomial performance parameter, the method was out of service, and sent warning message.
In the embodiment of the present application, this warning message can carry out conversion according to different performance parameters.As: when the performance parameter of judging temperature was not in its corresponding preset range, this warning message can be the temperature performance parameter error; When the performance parameter of judging fill factor, curve factor was not in its corresponding preset range, this warning message can be fill factor, curve factor performance parameter mistake.
This shows, definite method of the photovoltaic module power gear that the embodiment of the present application provides, judge by the multinomial performance parameter that analysis is obtained, when judging the multinomial performance parameter and all be positioned at separately preset range, determine the power gear of this photovoltaic module, and this power gear is pointed out; When any one in judging the multinomial performance parameter is not positioned at its preset range, send alerting signal.Make the user of the method can clearly know the state of this photovoltaic module, make the application more clear, complete.
Implement three
Fig. 3 implements for the application the structural representation that the three a kind of photovoltaic module power gears that provide are determined device.
As shown in Figure 3, this photovoltaic module power gear determines that device comprises: test data receiving element 1, performance parameter analytic unit 2, performance parameter judging unit 3 and power gear determining unit 4.
Wherein, test data receiving element 1 is mainly the multinomial test data that receives photovoltaic module; One end of performance parameter analytic unit 2 is connected with test data receiving element 1, and the other end is connected with performance parameter judging unit 3; Power gear determining unit 4 is connected with performance parameter judging unit 3.
The effect of test data receiving element 1 is the multinomial test data that receives photovoltaic module, and wherein, the multinomial test data of the photovoltaic module that receives comprises at least: the volt-ampere characteristic of this photovoltaic module, temperature and fill factor, curve factor.
Performance parameter analytic unit 2 is connected with test data receiving element 1, and the multinomial test data analysis that performance parameter analytic unit 2 will receive obtains the multinomial performance parameter of photovoltaic module.Wherein, the multinomial performance parameter of this photovoltaic module comprises at least: temperature, open-circuit voltage, maximum power point voltage, fill factor, curve factor, peak power and short-circuit current.
In the embodiment of the present application, for fear of the error of temperature, can analyze by the test data to temperature by performance parameter analytic unit 2, thereby the temperature that receives is carried out error compensation, obtain the performance parameter of temperature.As: according to the practical experience analysis as can be known, there are the error of+2 ℃ in the test data of temperature and actual temperature, when the test data of the temperature that receives when performance parameter analytic unit 2 was 30 ℃, the performance parameter that obtains this temperature by the test data analysis to this temperature was 32 ℃.
Test data for fear of fill factor, curve factor is inaccurate, in the embodiment of the present application, performance parameter analytic unit 2 can also carry out error compensation to the fill factor, curve factor that receives, and analyzes the performance parameter that obtains fill factor, curve factor, compensation method repeats no more here referring to above-mentioned compensation method to temperature.
Simultaneously, in the embodiment of the present application, the multinomial performance parameter that the multinomial test data analysis that 2 pairs of performance parameter analytic units receive obtains photovoltaic module can also comprise: by the volt-ampere characteristic of the photovoltaic module in multinomial test data, analyze the performance parameter of the open-circuit voltage that obtains this photovoltaic module and the performance parameter of short-circuit current.In addition, performance parameter analytic unit 2 can also obtain voltage and current on this volt-ampere characteristic by the volt-ampere characteristic of the photovoltaic module that receives, then according to the voltage and current that gets, and P=I*V calculates the performance parameter of this photovoltaic module peak power, wherein P is power, I is electric current, and V is voltage.Calculate the performance parameter of this photovoltaic module peak power when performance parameter analytic unit 2 after, can also according to this peak power and volt-ampere characteristic, calculate this photovoltaic module in the performance parameter of maximum power point voltage.
Performance parameter judging unit 3 is connected with performance parameter analytic unit 2, the multinomial performance parameter that performance parameter judging unit 3 receptivity parameter analytic units 2 send, and whether the multinomial performance parameter that receives of judgement lays respectively in separately preset range.
In the embodiment of the present application, at first can be in performance parameter judging unit 3 preset temperature range be 20 ℃-30 ℃, default open-circuit voltage scope be the voltage range of 36.6V-37.8V, default maximum power point for being 70%-76% less than 37.8V and default fill factor, curve factor scope, then whether the performance parameters such as temperature, open-circuit voltage, maximum power point voltage and fill factor, curve factor that obtain of discriminatory analysis all are positioned at preset range separately.
Simultaneously, the inventor can also set in advance the peak power scope according to client's demand in performance parameter judging unit 3, judges then whether the peak power in the multinomial performance parameter that receives is positioned at its default peak power scope.
In the embodiment of the present application, whether the multinomial performance parameter that performance parameter judging unit 3 judgement receives all is positioned at separately the order of preset range is not done restriction, and the judgement that the inventor can arrange arbitrarily according to the demand of oneself the multinomial performance parameter sequentially.
Power gear determining unit 4 is connected with performance parameter judging unit 3, the judged result of power gear determining unit 4 receptivity parameter judging units 3.When performance parameter judging unit 3 judgment result is that the multinomial performance parameter all is positioned at separately preset range the time, power gear determining unit 4 is determined the power gear of these photovoltaic modulies.
In the embodiment of the present application, the inventor can be according to client's demand, set in advance several different power brackets in power gear determining unit 4, and these power brackets are respectively to there being corresponding power gear, as: 240W-244W and 245W-249W, and the power gear of the photovoltaic module of peak power in the 240W-244W scope is defined as the 240W shelves, the power gear of the photovoltaic module of peak power in the 245W-249W scope is defined as the 245W shelves.
When performance parameter judging unit 3 judgment result is that the multinomial performance parameter all is positioned at separately preset range the time, peak power in power gear determining unit 4 judgement multinomial performance parameters and the relation between a plurality of default power bracket, namely which default power bracket is this peak power be positioned at, then according to the default power bracket under this peak power, and should preset the corresponding power gear of power bracket, determine the power gear of this photovoltaic module.
this shows, a kind of photovoltaic module power gear that the application implements to provide determines that device comprises: the test data receiving element, the performance parameter analytic unit, performance parameter judging unit and power gear determining unit, the test data receiving element is used for receiving the multinomial test data of photovoltaic module, the performance parameter analytic unit is by obtaining the multinomial performance parameter to the multinomial test data analysis that receives, then by the performance parameter judging unit, the multinomial performance parameter that receives is judged, when judging the multinomial performance parameter and all be positioned at separately corresponding preset range, by the power gear determining unit, the power gear of this photovoltaic module is determined.This device is determined the power gear of photovoltaic module by unartificial mode, thereby having avoided prior art mainly to rely on manually determines the power gear of photovoltaic module, for a long time, periodically repeat identical action, easily make the staff tired, and then cause the photovoltaic module power gear is determined the problem that the error rate of result increases.
Embodiment four
Fig. 4 implements for the application the structural representation that the four a kind of photovoltaic module power gears that provide are determined device.
As shown in Figure 4, this photovoltaic module power gear determines that device comprises: test data receiving element 1, performance parameter analytic unit 2, performance parameter judging unit 3, concern that judging unit 41, power gear determine subelement 42, signal generation unit 5, Tip element 6 and alarm unit 7.
Wherein, test data receiving element 1 is used for receiving the multinomial test data of photovoltaic module; One end of performance parameter analytic unit 2 is connected with test data receiving element 1, and the other end is connected with performance parameter judging unit 3; An end that concerns judging unit 41 is connected with performance parameter judging unit 3, and the other end determines that with power gear subelement 42 is connected; One end and the power gear of signal generation unit 5 determines that subelement 42 is connected, and the other end is connected with Tip element 6; One end of alarm unit 7 is connected with performance parameter judging unit 3.
Identical with the description to test data receiving element 1 and performance parameter analytic unit 2 that above-described embodiment three provides to the description of test data receiving element 1 and performance parameter analytic unit 2 in the embodiment of the present application, detailed description referring in above-described embodiment three about the associated description of test data receiving element 1 and performance parameter analytic unit 2, repeat no more here.
Performance parameter judging unit 3 is connected with performance parameter analytic unit 2, the multinomial performance parameter that performance parameter judging unit 3 receptivity parameter analytic units 2 send, and whether the multinomial performance parameter that receives of judgement lays respectively in separately preset range.
In the embodiment of the present application, at first can be in performance parameter judging unit 3 preset temperature range be 20 ℃-30 ℃, default open-circuit voltage scope be the voltage range of 36.6V-37.8V, default maximum power point for being 70%-76% less than 37.8V and default fill factor, curve factor scope, then whether the performance parameters such as temperature, open-circuit voltage, maximum power point voltage and fill factor, curve factor that obtain of discriminatory analysis all are positioned at preset range separately.
Simultaneously, the inventor can also set in advance the peak power scope according to client's demand in performance parameter judging unit 3, judges then whether the peak power in the multinomial performance parameter that receives is positioned at its default peak power scope.
In the embodiment of the present application, whether the multinomial performance parameter that performance parameter judging unit 3 judgement receives all is positioned at separately the order of preset range is not done restriction, and the judgement that the inventor can arrange arbitrarily according to the demand of oneself the multinomial performance parameter sequentially.
An end that concerns judging unit 41 is connected with performance parameter judging unit 3, and the other end determines that with power gear subelement 42 is connected.The judged result that concerns judging unit 41 receptivity parameter judging units 3.When performance parameter judging unit 3 judgment result is that the multinomial performance parameter is all in preset range separately the time, concern the relation between peak power and a plurality of default power bracket in judging unit 41 judgement multinomial performance parameters, then determined the power gear of subelement 42 definite these photovoltaic modulies by power gear.
In the embodiment of the present application, the inventor is according to client's demand, set in advance several different power brackets in concerning judging unit 41, and these power brackets are respectively to there being corresponding power gear, as: 240W-244W and 245W-249W, and the power gear of the photovoltaic module of peak power in the 240W-244W scope is defined as the 240W shelves, the power gear of the photovoltaic module of peak power in the 245W-249W scope is defined as the 245W shelves.
When performance parameter judging unit 3 judgment result is that the multinomial performance parameter is all in preset range separately the time, concern peak power in judging unit 41 judgement multinomial performance parameters and the relation between a plurality of default power bracket, namely which default power bracket is this peak power be positioned at, then determine that by power gear subelement 42 is according to the default power bracket under this peak power, and should preset the corresponding power gear of power bracket, determine the power gear of this photovoltaic module.
One end and the power gear of signal generation unit 5 determines that subelement 42 is connected, and the other end is connected with Tip element 6.After power gear determined that subelement 42 has been determined the power gear of this photovoltaic module, signal generation unit 5 generated corresponding cue according to the power gear of this photovoltaic module, and sent to Tip element 6 to point out this cue.
In the embodiment of the present application, cue can be word and/or voice etc.When this cue was word, this Tip element 6 can be display screen; When this cue was voice, this Tip element 6 can be player.
Alarm unit 7 is connected with performance parameter judging unit 3, when performance parameter judging unit 3 judgment result is that in the multinomial performance parameter, any one performance parameter is not positioned at its preset range the time, alarm unit receives this judged result, and makes this device out of service, sends simultaneously warning message.
In the embodiment of the present application, this warning message can carry out conversion according to different performance parameters.As: when the performance parameter of judging temperature was not in its corresponding preset range, this warning message can be the temperature performance parameter error; When the performance parameter of judging fill factor, curve factor was not in its corresponding preset range, this warning message can be fill factor, curve factor performance parameter mistake.
This shows, the photovoltaic module gear that the embodiment of the present application provides determines that device comprises: test data receiving element, performance parameter analytic unit, performance parameter judging unit, concern that judging unit, power gear determine subelement, signal generation unit, Tip element and alarm unit.At first this device obtains performance parameter by the performance parameter analytic unit to the multinomial test data analysis that the test data receiving element sends, then do as one likes can judge the multinomial performance parameter by the parameter judging unit, when judging the multinomial performance parameter and all be positioned at separately preset range, determine that by concerning judging unit and power gear subelement determines the power gear of this photovoltaic module, and generated the cue of this power gear by the signal generation unit, and send to Tip element to point out; When the performance parameter judgment unit judges goes out any one in the multinomial performance parameter and is not positioned at its preset range, send alerting signal by alarm unit, make the user can clearly know the state of this photovoltaic module by this device, make the application more clear, complete.
Claims (9)
1. definite method of a photovoltaic module power gear, is characterized in that, comprising:
Receive the multinomial test data of photovoltaic module;
Multinomial described test data analysis is obtained the multinomial performance parameter of described photovoltaic module;
Judge whether multinomial described performance parameter all is located at separately in preset range;
When multinomial described performance parameter all is positioned at separately preset range, determine the power gear of described photovoltaic module.
2. method according to claim 1, is characterized in that, also comprises:
Generate the cue corresponding with the power gear of described photovoltaic module, and point out.
3. method according to claim 2, it is characterized in that, multinomial described test data comprises at least: volt-ampere characteristic, and multinomial described performance parameter comprises at least: peak power, the described multinomial performance parameter that described test data analysis is obtained described photovoltaic module comprises:
Obtain voltage and current according to described volt-ampere characteristic;
Utilize described voltage and described electric current, calculate the peak power of described photovoltaic module.
4. method according to claim 3, is characterized in that, the described power gear of determining described photovoltaic module comprises:
Judge the relation between described peak power and a plurality of default power bracket;
According to the default power bracket under described peak power, determine the power gear of described photovoltaic module.
5. method according to claim 4, is characterized in that, when in multinomial described performance parameter, any one was not positioned at its preset range, the method also comprised: send warning message.
6. definite device of a photovoltaic module power gear, is characterized in that, comprising: test data receiving element, performance parameter analytic unit, performance parameter judging unit and power gear determining unit, wherein,
Described test data receiving element is used for receiving the multinomial test data of photovoltaic module;
Described performance parameter analytic unit is connected with described test data receiving element, is used for multinomial described test data analysis is obtained the multinomial performance parameter of described photovoltaic module;
Described performance parameter judging unit is connected with described performance parameter analytic unit, is used for judging whether multinomial described performance parameter all is positioned at preset range separately;
Described power gear determining unit is connected with described performance parameter judging unit, is used for determining the power gear of described photovoltaic module when multinomial described performance parameter all is positioned at separately preset range.
7. device according to claim 6, is characterized in that, also comprises: signal generation unit and Tip element, wherein,
Described signal generation unit is connected with described power gear determining unit, is used for generating the cue corresponding with the power gear of described photovoltaic module;
Described Tip element is connected with described signal generation unit, is used for pointing out according to described cue.
8. device according to claim 7, is characterized in that, described power gear determining unit comprises: concern that judging unit and power gear determine subelement, wherein,
Describedly concern that judging unit is connected with described performance parameter judging unit, be used for judging the relation between described peak power and a plurality of default power bracket;
Described power gear determines that subelement concerns that with described judging unit is connected, and is used for according to the default power bracket under described peak power, determines the power gear of described photovoltaic module.
9. device according to claim 8, is characterized in that, when in multinomial described performance parameter, any one was not positioned at its preset range, this device also comprised alarm unit, wherein,
Described alarm unit is connected with described performance parameter judging unit, is used for sending warning message.
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| CN103543327A (en) * | 2013-10-18 | 2014-01-29 | 国家电网公司 | Method and device for measuring generating power of photovoltaic modules |
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| CN102157582A (en) * | 2011-01-20 | 2011-08-17 | 山东舜亦新能源有限公司 | Packaging technology in module production process |
| CN102638197A (en) * | 2012-04-20 | 2012-08-15 | 浙江昱能光伏科技集成有限公司 | Solar photovoltaic component, method for tracking maximum power point thereof and method for monitoring fault thereof |
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