CN111564776A - Method for calculating target power generation amount of photovoltaic power station based on power generation amount of benchmark inverter - Google Patents
Method for calculating target power generation amount of photovoltaic power station based on power generation amount of benchmark inverter Download PDFInfo
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- CN111564776A CN111564776A CN202010449587.XA CN202010449587A CN111564776A CN 111564776 A CN111564776 A CN 111564776A CN 202010449587 A CN202010449587 A CN 202010449587A CN 111564776 A CN111564776 A CN 111564776A
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- 238000010248 power generation Methods 0.000 title claims abstract description 117
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000017525 heat dissipation Effects 0.000 claims abstract description 26
- 239000003550 marker Substances 0.000 claims description 12
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
Abstract
The invention provides a method for calculating target power generation of a photovoltaic power station based on the power generation of a benchmark inverter, and relates to the technical field of new energy power generation. Through the inflation shell thermal expansion, promote the slide, then the slide drives the slide and adjusts the size of heat dissipation tripe opening angle, and the opening angle variation of the different heat dissipation tripes of ambient temperature has reached and has adjusted the effect of heat dissipation tripe opening angle size according to ambient temperature's change, protects the inside components and parts of casing as far as simultaneously when guaranteeing the heat dissipation efficiency and can not damage because of weing.
Description
Technical Field
The invention relates to the technical field of new energy power generation, in particular to a method for calculating target power generation of a photovoltaic power station based on the power generation of a benchmark inverter.
Background
The new energy power generation refers to renewable energy power generation developed and utilized on the basis of a new technology, photovoltaic power generation belongs to one of the renewable energy power generation, the fluctuation of the power generation amount is large due to weather influence, and the target power generation amount of a grid-connected photovoltaic power station is difficult to calculate.
However, a certain distance is usually reserved between the meteorological instrument and the photovoltaic power generation area, the photovoltaic power generation area is large, the accumulated irradiation amount of the photovoltaic power generation unit cannot be accurately obtained only by the meteorological instrument, the target power generation amount is calculated by using the irradiation amount, the actual attenuation condition of the photovoltaic module cannot be measured, and the loss difference between different devices cannot be reflected, so that a method for calculating the target power generation amount of the photovoltaic power station based on the power generation amount of the benchmark inverter is provided by the technical personnel in the field to solve the problems in the background art.
Disclosure of Invention
In order to solve the technical problems, the invention provides a method for calculating the target power generation amount of a photovoltaic power station based on the power generation amount of a benchmark inverter, which is realized by the following specific technical means:
the utility model provides a photovoltaic power plant based on sighting rod dc-to-ac converter generated energy, includes the casing, operating panel is installed in the embedding of the front surface upper portion of casing, the bleeder vent has been seted up to the front surface lower part of casing, radiator-grid has been seted up on the right side of casing, the inside fixedly connected with slide rail of casing, the surface sliding connection of slide rail has the slide, the inside of casing is provided with the inflation shell, the outside fixedly connected with slide of inflation shell, the first support of the outside fixedly connected with of slide, the front surface of first support rotates and is connected with the connecting rod, the lower fixed surface of connecting rod is connected with spacing spring.
The upper surface of slide passes through the internal surface elastic connection of supporting spring and casing, the left side fixedly connected with connecting rod of slide, the left side of connecting rod is rotated and is connected with the heat dissipation tripe, the lower fixed surface of slide is connected with the push rod, the internal surface lower part sliding connection of casing has the ejector pad, the right side sliding connection of ejector pad has the gag lever post, the solid fixed ring of surface of gag lever post is around there being connecting spring, the right side of ejector pad is provided with the gasbag, the right side upper portion fixedly connected with second support of slide.
Preferably, the other end of the connecting rod is rotatably connected with the second support, and the connecting rod is made of aluminum alloy.
Preferably, the other end of the limiting rod is fixedly connected with the inner surface of the shell, one end of a connecting spring on the limiting rod is fixedly connected with the right side of the push block, and the other end of the connecting spring is fixedly connected with the inner surface of the shell.
Preferably, the number of the slide rails is two, and the slide rails are located on two sides of the expansion shell.
Preferably, the method for calculating the target power generation amount of the photovoltaic power station based on the power generation amount of the benchmarking inverter comprises the following steps:
s1, arranging a marker post inverter, wherein at least one marker post inverter is arranged in inverters of different types, at least 3 marker post inverters are arranged in one station, and the selected marker post inverter is the inverter with better power generation condition in the inverters of the same type;
s2, judging whether the benchmark inverter is power-limited;
s3, according to the judgment result of the step S2: 1. and when the result is yes, judging whether all the benchmarking inverters are limited in power. 2. When the result is negative, calculating the daily target power generation amount (total power generation amount of the sigma normal power generation normal operation target pole inverter A is divided by the total capacity of components carried by the sigma normal power generation normal operation target pole inverter A). times.sigma the actual built total capacity of the sigma normal power generation normal operation target pole inverter A + ((total power generation amount of the sigma normal power generation normal operation target pole inverter B is divided by the total capacity of components carried by the sigma normal power generation normal operation target pole inverter B). times.sigma the actual built total capacity of the sigma normal power generation normal operation target pole inverter B is divided by … … + ((total power generation amount of the sigma normal power generation normal operation target pole inverter N is divided by the total capacity of components carried by the sigma normal power generation normal operation target pole inverter N). times.sigma the actual built total capacity of the sigma normal operation target;
s4, according to the judgment result of the judgment result 1 of S3: 1. and if the plurality of values are taken out, the electric energy generated by the target post inverter is normally operated according to the date closest to the day date to be an effective value. 2. When the result is negative, directly taking the daily generated energy of the normal power generation normal operation benchmark inverter to calculate the target generated energy;
s5, according to the judgment result of the judgment result 1 of S4, the total power generation amount of the standard pole inverter A/B/N in normal power generation operation is today irradiation/irradiation (sum of irradiation of three days close to the day/3) x (sum of power generation amount of the standard pole inverter A/B/N in normal power generation operation of three days close to the day/3);
s6, when the result is the judgment result 2 in the S4 step is combined with the S5 step: the daily target generated energy is (sum of the total generated energy of the sigma normal-power-generation normal-operation target pole inverter A and the total capacity of the components brought by the sigma normal-power-generation normal-operation target pole inverter A) x sigma total-station inverter A actually-built total capacity plus (sum of the total generated energy of the sigma normal-power-generation normal-operation target pole inverter B and the total capacity of the components brought by the sigma normal-power-generation normal-operation target pole inverter B) x sigma total-station inverter B actually-built total capacity plus … … + (sumof the total generated energy of sigma normal-power-generation normal-operation target pole inverter N and the total capacity of the components brought by the sigma normal-power-generation normal-operation target pole inverter N) x sigma total-station inverter N actually-built total capacity.
Preferably, the support spring is in a stable state in a normal state, and the support spring does not generate an elastic force to the inner surfaces of the slider and the housing.
Advantageous effects
Compared with the prior art, the invention provides a method for calculating the target power generation amount of a photovoltaic power station based on the power generation amount of a benchmark inverter, which has the following beneficial effects:
1. according to the method for calculating the target power generation amount of the photovoltaic power station based on the target power generation amount of the benchmark inverter, the accurate target power generation amount value can be calculated simply through the algorithm without the help of a professional tool, meanwhile, the target power generation amount accords with the actual situation on site, and the power generation efficiency of the power station can be judged better through the target power generation amount.
2. According to the method for calculating the target power generation capacity of the photovoltaic power station based on the benchmark inverter power generation capacity, the expansion shell is heated to expand, the sliding plate is pushed, then the sliding plate drives the sliding seat to adjust the opening angle of the heat dissipation shutter, when the opening angles of the heat dissipation shutters are different in environmental temperature, the effect of adjusting the opening angle of the heat dissipation shutter according to the change of the environmental temperature is achieved, and meanwhile the heat dissipation efficiency is guaranteed, and meanwhile, components inside the shell are protected as far as possible and cannot be damaged due to dampness.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is a partial enlarged view of the push block structure of the present invention;
FIG. 4 is an enlarged view of a portion of the slider structure of the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 2;
FIG. 6 is a flow chart of the steps of the present invention.
In the figure: 1. a housing; 2. an operation panel; 3. a heat dissipation grid; 4. air holes are formed; 5. expanding the shell; 6. a slide plate; 7. an air bag; 8. a push block; 9. a push rod; 10. a connecting spring; 11. a limiting rod; 12. a first support; 13. a connecting rod; 14. a limiting spring; 15. a heat dissipation louver; 16. a support spring; 17. a second support; 18. a slide base; 19. a slide rail; 20. a connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a photovoltaic power station based on the generated energy of a post inverter comprises a housing 1, an operation panel 2 is embedded in the upper portion of the front surface of the housing 1, air holes 4 are formed in the lower portion of the front surface of the housing 1, a heat dissipation grid 3 is formed in the right side of the housing 1, two slide rails 19 are fixedly connected inside the housing 1, the two slide rails 19 are located on two sides of an expansion shell 5, and a slide seat 18 is slidably connected to the outer surface of each slide rail 19.
The inside of casing 1 is provided with inflation shell 5, and the outside fixedly connected with slide 6 of inflation shell 5, the first support 12 of outside fixedly connected with of slide 6, the front surface of first support 12 rotates and is connected with connecting rod 13, and the other end and the second support 17 of connecting rod 13 rotate and are connected, and the material of connecting rod 13 is the aluminum alloy, and the lower fixed surface of connecting rod 13 is connected with spacing spring 14.
The upper surface of the sliding seat 18 is elastically connected with the inner surface of the shell 1 through a supporting spring 16, the left side of the sliding seat 18 is fixedly connected with a connecting rod 20, the left side of the connecting rod 20 is rotatably connected with a heat dissipation louver 15, the lower surface of the sliding seat 18 is fixedly connected with a push rod 9, and the lower part of the inner surface of the shell 1 is slidably connected with a push block 8.
The right side sliding connection of ejector pad 8 has gag lever post 11, and the other end of gag lever post 11 and casing 1's internal surface fixed connection, connecting spring 10 one end on the gag lever post 11 and ejector pad 8's right side fixed connection, the other end and casing 1's internal surface fixed connection, and the outer fixed surface ring of gag lever post 11 is around having connecting spring 10, and the right side of ejector pad 8 is provided with gasbag 7, the right side upper portion fixedly connected with second support 17 of slide 18.
Over expansion shell 8 is heated the inflation, promotes slide 6, then slide 6 drives slide 8 and adjusts the size of the 15 opening angles of heat dissipation tripe, and the opening angle variation of the different heat dissipation tripe 15 of ambient temperature has reached and has adjusted the effect of heat dissipation tripe opening angle size according to ambient temperature's change, protects the inside components and parts of casing 1 not to damage because of weing as far as simultaneously when guaranteeing the heat dissipation efficiency.
A method for calculating target power generation amount of a photovoltaic power station based on the power generation amount of a benchmark inverter comprises the following steps:
s1, arranging a marker post inverter, wherein at least one marker post inverter is arranged in inverters of different types, at least 3 marker post inverters are arranged in one station, and the selected marker post inverter is the inverter with better power generation condition in the inverters of the same type;
s2, judging whether the benchmark inverter is power-limited;
s3, according to the judgment result of the step S2: 1. and when the result is yes, judging whether all the benchmarking inverters are limited in power. 2. When the result is negative, calculating the daily target power generation amount (total power generation amount of the sigma normal power generation normal operation target pole inverter A is divided by the total capacity of components carried by the sigma normal power generation normal operation target pole inverter A). times.sigma the actual built total capacity of the sigma normal power generation normal operation target pole inverter A + ((total power generation amount of the sigma normal power generation normal operation target pole inverter B is divided by the total capacity of components carried by the sigma normal power generation normal operation target pole inverter B). times.sigma the actual built total capacity of the sigma normal power generation normal operation target pole inverter B is divided by … … + ((total power generation amount of the sigma normal power generation normal operation target pole inverter N is divided by the total capacity of components carried by the sigma normal power generation normal operation target pole inverter N). times.sigma the actual built total capacity of the sigma normal operation target;
s4, according to the judgment result of the judgment result 1 of S3: 1. and if the plurality of values are taken out, the electric energy generated by the target post inverter is normally operated according to the date closest to the day date to be an effective value. 2. When the result is negative, directly taking the daily generated energy of the normal power generation normal operation benchmark inverter to calculate the target generated energy;
s5, according to the judgment result of the judgment result 1 of S4, the total power generation amount of the standard pole inverter A/B/N in normal power generation operation is today irradiation/irradiation (sum of irradiation of three days close to the day/3) x (sum of power generation amount of the standard pole inverter A/B/N in normal power generation operation of three days close to the day/3);
s6, when the result is the judgment result 2 in the S4 step is combined with the S5 step: the daily target generated energy is (sum of the total generated energy of the sigma normal-power-generation normal-operation target pole inverter A and the total capacity of the components brought by the sigma normal-power-generation normal-operation target pole inverter A) x sigma total-station inverter A actually-built total capacity plus (sum of the total generated energy of the sigma normal-power-generation normal-operation target pole inverter B and the total capacity of the components brought by the sigma normal-power-generation normal-operation target pole inverter B) x sigma total-station inverter B actually-built total capacity plus … … + (sumof the total generated energy of sigma normal-power-generation normal-operation target pole inverter N and the total capacity of the components brought by the sigma normal-power-generation normal-operation target pole inverter N) x sigma total-station inverter N actually-built total capacity.
When using, photovoltaic power generation's sighting rod dc-to-ac converter makes places when outdoor use, according to the difference of weather temperature, the inside temperature of sighting rod dc-to-ac converter is also different, the temperature that sighting rod dc-to-ac converter self work produced and the temperature that the sun shines and produce daytime midday, the temperature that makes the inside temperature of dc-to-ac converter rise is very high, external temperature is relatively lower when night, thereby make the inside temperature of dc-to-ac converter lower relatively, however, when heat dissipation grid 3 satisfied the radiating effect of dc-to-ac converter in the high temperature, moisture enters into the inside of casing 1 more easily, if heat dissipation grid 3 sets up the undersize and can not satisfy normal heat dissipation again.
When the internal temperature of the shell 1 gradually rises, the expansion shell 5 is heated to expand, so that thrust is generated on the sliding plates 6 on the two sides, the sliding plates 6 are pushed outwards, the sliding plates 6 generate thrust on the sliding base 18 through the connecting rods 13, the sliding base 18 slides upwards on the sliding rails 19, at the moment, the connecting springs 10 between the connecting rods 13 stretch, the supporting springs 16 on the upper surface of the sliding base 8 contract, the sliding base 18 drives the heat dissipation louvers 15 on the connecting rods 20 to rotate, the opening angle of the heat dissipation louvers 15 is increased, heat inside the shell 1 can be quickly dissipated, when the temperature at night is reduced, and the humidity is increased, the expansion shell 5 contracts, under the elastic force of the supporting springs 16 and the connecting springs 10, the sliding base 18 slides downwards on the sliding rails 19, so that the opening angle of the heat dissipation louvers is reduced, and moisture can enter the interior of the shell 1 as little as possible while heat dissipation is achieved, when the sliding seat 18 slides downwards, the push rod 9 synchronously slides downwards, then the push rod 9 generates downward pressure on the inclined plane of the push block 8, the push block 8 slides towards the right side under the action of the pressure to press the air bag 7 between the push block 8 and the shell 1, and at the moment, the air bag 7 gives vent to air to clean dust attached to the inside of the shell 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a photovoltaic power plant based on sighting rod inverter generated energy, includes casing (1), its characterized in that: an operation panel (2) is embedded in the upper portion of the front surface of the shell (1), air holes (4) are formed in the lower portion of the front surface of the shell (1), a heat dissipation grid (3) is formed in the right side of the shell (1), a sliding rail (19) is fixedly connected to the inside of the shell (1), a sliding seat (18) is connected to the outer surface of the sliding rail (19) in a sliding mode, an expansion shell (5) is arranged inside the shell (1), a sliding plate (6) is fixedly connected to the outer side of the expansion shell (5), a first support (12) is fixedly connected to the outer side of the sliding plate (6), a connecting rod (13) is rotatably connected to the front surface of the first support (12), and a limiting spring (14) is fixedly connected to the lower surface;
the upper surface of slide (18) passes through the internal surface elastic connection of supporting spring (16) and casing (1), the left side fixedly connected with connecting rod (20) of slide (18), the left side of connecting rod (20) is rotated and is connected with heat dissipation tripe (15), the lower fixed surface of slide (18) is connected with push rod (9), the internal surface lower part sliding connection of casing (1) has ejector pad (8), the right side sliding connection of ejector pad (8) has gag lever post (11), the external surface fixed of gag lever post (11) is around having connecting spring (10), the right side of ejector pad (8) is provided with gasbag (7), the right side upper portion fixedly connected with second support (17) of slide (18).
2. The utility model discloses a photovoltaic power plant based on benchmarking inverter power generation volume of claim 1 which characterized in that: the other end of connecting rod (13) rotates with second support (17) and is connected, the material of connecting rod (13) is the aluminum alloy.
3. The utility model discloses a photovoltaic power plant based on benchmarking inverter power generation volume of claim 1 which characterized in that: the other end of the limiting rod (11) is fixedly connected with the inner surface of the shell (1), one end of a connecting spring (10) on the limiting rod (11) is fixedly connected with the right side of the push block (8), and the other end of the connecting spring is fixedly connected with the inner surface of the shell (1).
4. The utility model discloses a photovoltaic power plant based on benchmarking inverter power generation volume of claim 1 which characterized in that: the number of the slide rails (19) is two, and the slide rails (19) are positioned on two sides of the expansion shell (5).
5. The photovoltaic power station based on the benchmarking inverter power generation amount according to claim 1, which provides a method for calculating the target power generation amount of the photovoltaic power station based on the benchmarking inverter power generation amount, characterized by comprising the following steps:
s1, arranging a marker post inverter, wherein at least one marker post inverter is arranged in inverters of different types, at least 3 marker post inverters are arranged in one station, and the selected marker post inverter is the inverter with better power generation condition in the inverters of the same type;
s2, judging whether the benchmark inverter is power-limited;
s3, according to the judgment result of the step S2: 1. and when the result is yes, judging whether all the benchmarking inverters are limited in power. 2. When the result is negative, calculating the daily target power generation amount (total power generation amount of the sigma normal power generation normal operation target pole inverter A is divided by the total capacity of components carried by the sigma normal power generation normal operation target pole inverter A). times.sigma the actual built total capacity of the sigma normal power generation normal operation target pole inverter A + ((total power generation amount of the sigma normal power generation normal operation target pole inverter B is divided by the total capacity of components carried by the sigma normal power generation normal operation target pole inverter B). times.sigma the actual built total capacity of the sigma normal power generation normal operation target pole inverter B is divided by … … + ((total power generation amount of the sigma normal power generation normal operation target pole inverter N is divided by the total capacity of components carried by the sigma normal power generation normal operation target pole inverter N). times.sigma the actual built total capacity of the sigma normal operation target;
s4, according to the judgment result of the judgment result 1 of S3: 1. and if the plurality of values are taken out, the electric energy generated by the target post inverter is normally operated according to the date closest to the day date to be an effective value. 2. When the result is negative, directly taking the daily generated energy of the normal power generation normal operation benchmark inverter to calculate the target generated energy;
s5, according to the judgment result of the judgment result 1 of S4, the total power generation amount of the standard pole inverter A/B/N in normal power generation operation is today irradiation/irradiation (sum of irradiation of three days close to the day/3) x (sum of power generation amount of the standard pole inverter A/B/N in normal power generation operation of three days close to the day/3);
s6, when the result is the judgment result 2 in the S4 step is combined with the S5 step: the daily target generated energy is (sum of the total generated energy of the sigma normal-power-generation normal-operation target pole inverter A and the total capacity of the components brought by the sigma normal-power-generation normal-operation target pole inverter A) x sigma total-station inverter A actually-built total capacity plus (sum of the total generated energy of the sigma normal-power-generation normal-operation target pole inverter B and the total capacity of the components brought by the sigma normal-power-generation normal-operation target pole inverter B) x sigma total-station inverter B actually-built total capacity plus … … + (sumof the total generated energy of sigma normal-power-generation normal-operation target pole inverter N and the total capacity of the components brought by the sigma normal-power-generation normal-operation target pole inverter N) x sigma total-station inverter N actually-built total capacity.
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Denomination of invention: A photovoltaic power station based on benchmark inverter power generation Effective date of registration: 20231127 Granted publication date: 20211008 Pledgee: Suzhou Bank Co.,Ltd. Nanjing Jiangning Branch Pledgor: ZHANGTOU ELECTRIC POWER DEVELOPMENT Co.,Ltd. Registration number: Y2023980067553 |