CN109058121A - A kind of photovoltaic intelligent collection control water pumping system and control method based on MPPT algorithm - Google Patents
A kind of photovoltaic intelligent collection control water pumping system and control method based on MPPT algorithm Download PDFInfo
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- CN109058121A CN109058121A CN201811006249.8A CN201811006249A CN109058121A CN 109058121 A CN109058121 A CN 109058121A CN 201811006249 A CN201811006249 A CN 201811006249A CN 109058121 A CN109058121 A CN 109058121A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 150
- 238000005086 pumping Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000006855 networking Effects 0.000 claims description 18
- 238000004891 communication Methods 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000012790 confirmation Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000005286 illumination Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/12—Combinations of two or more pumps
- F04D13/14—Combinations of two or more pumps the pumps being all of centrifugal type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0088—Testing machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The present invention discloses a kind of photovoltaic intelligent collection control water pumping system based on MPPT algorithm, and based on the system host fault control method, method host broken string control method and improve water lift efficiency, the photovoltaic intelligent collection control water pumping system based on MPPT algorithm, it include: photovoltaic array, several drivers and several water pumps, the photovoltaic array is separately connected with driver, the driver includes a drive host and at least one driver slave, and each driver is separately connected an at least water pump；The photovoltaic intelligent collection control module is used to detect the operation conditions of driver, when photovoltaic intelligent collection control module detects that drive host breaks down or is breaking, next driver slave that drive host order is connect with the drive host automatically switches to new drive host.The present invention maximally utilizes the energy of photovoltaic array generation, effectively improves water lift amount.
Description
Technical field
The present invention relates to photovoltaic water-raising technical field more particularly to a kind of photovoltaic intelligent collection control water lifts based on MPPT algorithm
System and control method.
Background technique
In the case where largely using water and there is no power grid, the general photovoltaic water pumping system or multiple using single frequency greatly
Independent small frequency photovoltaic water pumping system composition.The energy that photovoltaic array generates under sunshine is transmitted by photovoltaic water pump driver
To water pump, to achieve the purpose that water lift.Multiple common centrifugal water pumps under low lighting conditions, when working at the same time, single water
The efficiency of pump is very low, and sometimes because cannot even be discharged the reason of lift, the energy of the generation of photovoltaic array wastes significantly, directly
Influence the water lift amount of photovoltaic water pumping system.In this case, it is badly in need of a kind of energy for maximally utilizing photovoltaic array generation
System and method.
Therefore, the prior art is defective, needs to improve.
Summary of the invention
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of photovoltaic intelligent collection control based on MPPT algorithm to mention
Water system and control method.
Technical scheme is as follows: a kind of photovoltaic intelligent collection control water pumping system based on MPPT algorithm, comprising: photovoltaic
Array, several drivers and several water pumps, the photovoltaic array are separately connected with driver, and the driver includes a driving
Device host and at least one driver slave, each driver are separately connected an at least water pump；
The driver includes: micro control module, motor drive module, inverter module, Current Voltage detection module, MPPT mould
Block, photovoltaic intelligent collection control module and communication module, the micro control module respectively with motor drive module, inverter module, MPPT mould
Block, photovoltaic intelligent collection control module and communication module are electrically connected, and the motor drive module also passes through inverter module and water pump connects
It connects；Between the driver by communication module carry out communication connection, drive host by communication module control driver from
Machine opens or closes；The photovoltaic intelligent collection control module is used to detect the operation conditions of driver, when photovoltaic intelligent collection control module
Detect that drive host breaks down or when open circuit, next driver that drive host order is connect with the drive host
Slave automatically switches to new drive host.
Further, the driver further includes direct current input module, and the output end connection of the direct current input module is inverse
Become module, input terminal connects the photovoltaic array.
Further, the micro control module is DSP digital processing chip, model TMS320F28034.
Further, the driver further includes draining to overflow protective module with water, it is described drain with water overflow protective module with
Micro control module is electrically connected.
The hostdown control method of the present invention also provides a kind of photovoltaic intelligent collection control water pumping system based on MPPT algorithm,
The following steps are included:
Drive host is numbered and is sorted respectively with driver slave in networking circular list, works as driver by S101
After host breaks down, drive host finds next driver slave after coming drive host in networking circular list
Website address；
S102, drive host judge above-mentioned site address whether be this drive host address, when above-mentioned website
When location is the machine address, the not switching driver host of the photovoltaic intelligent collection control water pumping system based on MPPT algorithm, when above-mentioned website
When address is not the machine driver address, drive host sends mian engine changeover instruction to next driver slave；
S103 after the driver slave receives instruction, judges whether that confirmation is switched to new host, when driver slave is true
After recognizing switching, driver slave is replied to drive host, which becomes new drive host, when the driver
After slave refusal switching, drive host repeats step S101, need to look for the station of next driver slave of the driver slave
Dot address.
The host of the present invention also provides a kind of photovoltaic intelligent collection control water pumping system based on MPPT algorithm breaks control method,
Characterized by comprising the following steps:
S201, driver slave statistics drive host send over the time interval between data；
S202, drive host judge above-mentioned time interval whether be more than the machine coding time interval, when being not above
When, the counting that driver slave sends data time interval to drive host is reset, and when being more than, the judgement of driver slave is certainly
Body whether there is failure；
S203, when failure is not present in driver slave, driver slave controls the machine and is switched to driver slave, works as drive
Device slave is moved there are when failure, driver slave does not switch.
The present invention also provides it is a kind of improve the photovoltaic intelligent collection control water pumping system utilization rate based on MPPT algorithm method,
It is characterized in that, comprising the following steps:
S301, drive host obtain the output frequency of photovoltaic array, and according to MPPT algorithm adjusting and drive host
The output frequency of the water pump of connection；
Whether S302, drive host judgement are equal to the rated output frequency of water pump by the resulting output frequency of MPPT algorithm
Rate, to open or close driver slave successively.
Further, in the step S302 successively opening driver slave method the following steps are included:
Drive host is numbered and is sorted respectively with driver slave in networking circular list by Sa3021, driver
Whether host judgement is equal to the rated output frequency of water pump by the resulting output frequency of MPPT algorithm, when the output frequency of water pump
Less than water pump rated frequency when, drive host resets the time counting of driver slave next in networking circular list,
Drive host continues to monitor output frequency, and when the output frequency of water pump is equal to the rated frequency of water pump, drive host is opened
The dynamic time counting to next driver slave website；
Sa3022 judges in the gate time of setting whether the output frequency for the water pump connecting with drive host is equal
The rated frequency for reaching water pump, in setting gate time, the output frequency of water pump does not reach the rated frequency of water pump, driving
Device host continues to monitor output frequency, and in setting gate time, the output frequency of water pump reaches the rated frequency of water pump, drives
Dynamic device host reads the number of next slave in circular list；
Sa3023 judges whether above-mentioned number is the machine number, when the number is the machine number, has illustrated whole water pumps
Through opening, when the number is not the machine number, then drive host represents the driver slave for being to the number and sends starting life
It enables；
Sa3021, drive host recycle implementation steps S301, open next driver slave successively.
Further, the method for driver slave is closed in the step S302 successively the following steps are included:
Drive host is numbered and is sorted respectively with driver slave in networking circular list by Sb3021, driver
Host judgement goes out frequency by the minimum operation whether resulting output frequency of MPPT algorithm is equal to water pump, when the output frequency of water pump
When rate is greater than the minimum operating frequency of water pump, time counting of the drive host to driver slave next in networking circular list
It resetting, drive host continues to monitor output frequency, when the output frequency of water pump is equal to the minimum operating frequency of water pump, driving
Time counting of the device Host Shutdown to next driver slave website；
Sb3022 judges in the gate time of setting whether the output frequency for the water pump connecting with drive host is equal
The minimum operating frequency for reaching water pump, in setting gate time, the output frequency of water pump does not reach the minimum operation of water pump
Frequency, drive host continue to monitor output frequency, and in setting gate time, the output frequency of water pump reaches water pump most
Low running frequency, the number of drive host slave under reverse read in circular list；
Sb3023 judges whether above-mentioned number is the machine number, when the number is the machine number, illustrates only driver
Host connection water pump operation, when the number be not the machine number, then drive host to the number represent be driver from
Machine sends shutdown command；
Sb3021, drive host recycle implementation steps S301, close next driver slave successively.
Using the above scheme, the present invention is under same photovoltaic array, more small-powers volt water pump water lift in parallel, in system
Pass through serial communication between driver.Wherein a driver is controlled as host, and others are used as slave.Pass through intelligent calculation
Method can automatically switch next website as host, guarantee the normal of water pumping system in the case where host is out of order or breaks
Operation.
When there is sunshine, drive host starts first, and the output frequency of itself is adjusted according to MPPT algorithm.When
When the energy of photovoltaic array supports host to run to water pump rated frequency enough, opening driver slave 1.And so on, in light
According to it is enough when, whole driver slaves can be started.When sunshine dies down, drive host can reduce output frequency according to MPPT algorithm
Rate stops a slave when reaching the minimum frequency of lift demand, and so on, it is only led in the case where sunshine is inadequate
One machine operation of machine.Slave is run according to water pump rated frequency, while host carries out always MPPT algorithm and adjusts output frequency,
Have reached the energy for maximally utilizing photovoltaic array generation.It can make to make pump working at higher turn in the case where illumination is weak
Under speed, the energy and pump efficiency for making full use of photovoltaic array to generate effectively improve water lift amount.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of the photovoltaic intelligent collection control water pumping system based on MPPT algorithm；
Fig. 2 is the flow chart of the hostdown control method of the photovoltaic intelligent collection control water pumping system based on MPPT algorithm；
Fig. 3 is the flow chart of the host broken string control method of the photovoltaic intelligent collection control water pumping system based on MPPT algorithm；
Fig. 4 is that the host of the photovoltaic intelligent collection control water pumping system based on MPPT algorithm opens the flow chart of slave；
Fig. 5 is the flow chart of the Host Shutdown slave of the photovoltaic intelligent collection control water pumping system based on MPPT algorithm.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
The present invention provides a kind of photovoltaic intelligent collection control water pumping system based on MPPT algorithm, comprising: photovoltaic array, several drives
Dynamic device and several water pumps, the photovoltaic array are separately connected with driver, and the driver is including a drive host and extremely
A few driver slave, each driver are separately connected an at least water pump；
The driver includes: micro control module, motor drive module, inverter module, Current Voltage detection module, MPPT mould
Block, photovoltaic intelligent collection control module and communication module, the micro control module respectively with motor drive module, inverter module, MPPT mould
Block, photovoltaic intelligent collection control module and communication module are electrically connected, and the motor drive module also passes through inverter module and water pump connects
It connects；Between the driver by communication module carry out communication connection, drive host by communication module control driver from
Machine opens or closes；The photovoltaic intelligent collection control module is used to detect the operation conditions of driver, when photovoltaic intelligent collection control module
Detect that drive host breaks down or when open circuit, next driver that drive host order is connect with the drive host
Slave automatically switches to new drive host.
The driver further includes direct current input module, and the output end of the direct current input module connects inverter module, defeated
Enter end and connects the photovoltaic array.
The micro control module is DSP digital processing chip, model TMS320F28034.
The driver further includes draining to overflow protective module with water, and described drain overflows protective module and micro control module electricity with water
Property connection.
The hostdown control method of the present invention also provides a kind of photovoltaic intelligent collection control water pumping system based on MPPT algorithm,
The following steps are included:
Drive host is numbered and is sorted respectively with driver slave in networking circular list, works as driver by S101
After host breaks down, drive host finds next driver slave after coming drive host in networking circular list
Website address；
S102, drive host judge above-mentioned site address whether be this drive host address, when above-mentioned website
When location is the machine address, the not switching driver host of the photovoltaic intelligent collection control water pumping system based on MPPT algorithm, when above-mentioned website
When address is not the machine driver address, drive host sends mian engine changeover instruction to next driver slave；
S103 after the driver slave receives instruction, judges whether that confirmation is switched to new host, when driver slave is true
After recognizing switching, driver slave is replied to drive host, which becomes new drive host, when the driver
After slave refusal switching, drive host repeats step S101, need to look for the station of next driver slave of the driver slave
Dot address.
The host of the present invention also provides a kind of photovoltaic intelligent collection control water pumping system based on MPPT algorithm breaks control method,
Characterized by comprising the following steps:
S201, driver slave statistics drive host send over the time interval between data；
S202, drive host judge above-mentioned time interval whether be more than the machine coding time interval, when being not above
When, the counting that driver slave sends data time interval to drive host is reset, and when being more than, the judgement of driver slave is certainly
Body whether there is failure；
S203, when failure is not present in driver slave, driver slave controls the machine and is switched to driver slave, works as drive
Device slave is moved there are when failure, driver slave does not switch.
The present invention also provides it is a kind of improve the photovoltaic intelligent collection control water pumping system utilization rate based on MPPT algorithm method,
It is characterized in that, comprising the following steps:
S301, drive host obtain the output frequency of photovoltaic array, and according to MPPT algorithm adjusting and drive host
The output frequency of the water pump of connection；
Whether S302, drive host judgement are equal to the rated output frequency of water pump by the resulting output frequency of MPPT algorithm
Rate, to open or close driver slave successively.
In the step S302 successively opening driver slave method the following steps are included:
Drive host is numbered and is sorted respectively with driver slave in networking circular list by Sa3021, driver
Whether host judgement is equal to the rated output frequency of water pump by the resulting output frequency of MPPT algorithm, when the output frequency of water pump
Less than water pump rated frequency when, drive host resets the time counting of driver slave next in networking circular list,
Drive host continues to monitor output frequency, and when the output frequency of water pump is equal to the rated frequency of water pump, drive host is opened
The dynamic time counting to next driver slave website；
Sa3022 judges in the gate time of setting whether the output frequency for the water pump connecting with drive host is equal
The rated frequency for reaching water pump, in setting gate time, the output frequency of water pump does not reach the rated frequency of water pump, driving
Device host continues to monitor output frequency, and in setting gate time, the output frequency of water pump reaches the rated frequency of water pump, drives
Dynamic device host reads the number of next slave in circular list；
Sa3023 judges whether above-mentioned number is the machine number, when the number is the machine number, has illustrated whole water pumps
Through opening, when the number is not the machine number, then drive host represents the driver slave for being to the number and sends starting life
It enables；
Sa3021, drive host recycle implementation steps S301, open next driver slave successively.
The method of driver slave is closed in the step S302 successively the following steps are included:
Drive host is numbered and is sorted respectively with driver slave in networking circular list by Sb3021, driver
Host judgement goes out frequency by the minimum operation whether resulting output frequency of MPPT algorithm is equal to water pump, when the output frequency of water pump
When rate is greater than the minimum operating frequency of water pump, time counting of the drive host to driver slave next in networking circular list
It resetting, drive host continues to monitor output frequency, when the output frequency of water pump is equal to the minimum operating frequency of water pump, driving
Time counting of the device Host Shutdown to next driver slave website；
Sb3022 judges in the gate time of setting whether the output frequency for the water pump connecting with drive host is equal
The minimum operating frequency for reaching water pump, in setting gate time, the output frequency of water pump does not reach the minimum operation of water pump
Frequency, drive host continue to monitor output frequency, and in setting gate time, the output frequency of water pump reaches water pump most
Low running frequency, the number of drive host slave under reverse read in circular list；
Sb3023 judges whether above-mentioned number is the machine number, when the number is the machine number, illustrates only driver
Host connection water pump operation, when the number be not the machine number, then drive host to the number represent be driver from
Machine sends shutdown command；
Sb3021, drive host recycle implementation steps S301, close next driver slave successively.
For the present invention under same photovoltaic array, more small-powers in parallel lie prostrate water pump water lift, lead between the driver in system
Cross serial communication.Wherein a driver is controlled as host, and others are used as slave.By intelligent algorithm, can go out in host
In the case where failure or broken string, automatically switches next website as host, guarantee the normal operation of water pumping system.
When there is sunshine, drive host starts first, and the output frequency of itself is adjusted according to MPPT algorithm.When
When the energy of photovoltaic array supports host to run to water pump rated frequency enough, opening driver slave 1.And so on, in light
According to it is enough when, whole driver slaves can be started.When sunshine dies down, drive host can reduce output frequency according to MPPT algorithm
Rate stops a slave when reaching the minimum frequency of lift demand, and so on, it is only led in the case where sunshine is inadequate
One machine operation of machine.Slave is run according to water pump rated frequency, while host carries out always MPPT algorithm and adjusts output frequency,
Have reached the energy for maximally utilizing photovoltaic array generation.It can make to make pump working at higher turn in the case where illumination is weak
Under speed, the energy and pump efficiency for making full use of photovoltaic array to generate effectively improve water lift amount.
The above is merely preferred embodiments of the present invention, be not intended to restrict the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (9)
1. a kind of photovoltaic intelligent collection control water pumping system based on MPPT algorithm characterized by comprising photovoltaic array, several drives
Dynamic device and several water pumps, the photovoltaic array are separately connected with driver, and the driver is including a drive host and extremely
A few driver slave, each driver are separately connected an at least water pump；
The driver include: micro control module, motor drive module, inverter module, Current Voltage detection module, MPPT module,
Photovoltaic intelligent collection control module and communication module, the micro control module respectively with motor drive module, inverter module, MPPT module,
Photovoltaic intelligent collection control module and communication module are electrically connected, and the motor drive module also passes through inverter module and connect with water pump；
Communication connection is carried out by communication module between the driver, drive host controls driver slave by communication module and opens
It opens or closes；The photovoltaic intelligent collection control module is used to detect the operation conditions of driver, when photovoltaic intelligent collection control module detects
It breaks down to drive host or when open circuit, next driver slave that drive host order is connect with the drive host
Automatically switch to new drive host.
2. the photovoltaic intelligent collection control water pumping system according to claim 1 based on MPPT algorithm, which is characterized in that the drive
Dynamic device further includes direct current input module, and the output end of the direct current input module connects inverter module, and input terminal connects the light
Photovoltaic array.
3. the photovoltaic intelligent collection control water pumping system according to claim 1 based on MPPT algorithm, which is characterized in that described micro-
Control module is DSP digital processing chip, model TMS320F28034.
4. the photovoltaic intelligent collection control water pumping system according to claim 1 based on MPPT algorithm, which is characterized in that the drive
Dynamic device further includes draining to overflow protective module with water, and described drain overflows protective module and micro control module electric connection with water.
5. a kind of host event of photovoltaic intelligent collection control water pumping system based on MPPT algorithm based on claim 1-4 any one
Hinder control method, which comprises the following steps:
Drive host is numbered and is sorted respectively with driver slave in networking circular list, works as drive host by S101
After breaking down, drive host finds the station of next driver slave after coming drive host in networking circular list
The address of point；
S102, drive host judge above-mentioned site address whether be this drive host address, when above-mentioned site address is
When the machine address, the not switching driver host of the photovoltaic intelligent collection control water pumping system based on MPPT algorithm, when above-mentioned site address
When not being the machine driver address, drive host sends mian engine changeover instruction to next driver slave；
S103 after the driver slave receives instruction, judges whether that confirmation is switched to new host, when the confirmation of driver slave is cut
After changing, driver slave is replied to drive host, which becomes new drive host, when the driver slave
After refusal switching, drive host repeats step S101, with need to looking for the website of next driver slave of the driver slave
Location.
6. a kind of host of the photovoltaic intelligent collection control water pumping system based on MPPT algorithm based on claim 1-4 any one is disconnected
Line control method, which comprises the following steps:
S201, driver slave statistics drive host send over the time interval between data；
S202, drive host judge whether above-mentioned time interval is more than that the time interval that the machine encodes is driven when being not above
The counting that dynamic device slave sends data time interval to drive host is reset, and when being more than, driver slave judges that itself is
It is no that there are failures；
S203, when failure is not present in driver slave, driver slave controls the machine and is switched to driver slave, works as driver
There are when failure, driver slave does not switch slave.
7. a kind of raising based on claim 1-4 any one is utilized based on the photovoltaic intelligent collection control water pumping system of MPPT algorithm
The method of rate, which comprises the following steps:
S301, drive host obtains the output frequency of photovoltaic array, and is adjusted according to MPPT algorithm and connect with drive host
Water pump output frequency；
Whether S302, drive host judgement are equal to the rated output frequency of water pump by the resulting output frequency of MPPT algorithm,
To open or close driver slave successively.
8. the method for improving the photovoltaic intelligent collection control water pumping system utilization rate based on MPPT algorithm according to claim 7,
Be characterized in that, in the step S302 successively opening driver slave method the following steps are included:
Drive host is numbered and is sorted respectively with driver slave in networking circular list by Sa3021, drive host
Whether judgement is equal to the rated output frequency of water pump by the resulting output frequency of MPPT algorithm, when the output frequency of water pump is less than
When the rated frequency of water pump, drive host resets the time counting of driver slave next in networking circular list, driving
Device host continues to monitor output frequency, when the output frequency of water pump is equal to the rated frequency of water pump, drive host starting pair
The time counting of next driver slave website；
Sa3022 judges in the gate time of setting whether the output frequency for the water pump connecting with drive host reaches
The rated frequency of water pump, in setting gate time, the output frequency of water pump does not reach the rated frequency of water pump, driver master
Machine continues to monitor output frequency, and in setting gate time, the output frequency of water pump reaches the rated frequency of water pump, driver
Host reads the number of next slave in circular list；
Sa3023 judges whether above-mentioned number is the machine number, when the number is the machine number, illustrates that whole water pumps have been opened
It opens, when the number is not the machine number, then drive host represents the driver slave for being to the number and sends start command；
Sa3021, drive host recycle implementation steps S301, open next driver slave successively.
9. the method for improving the photovoltaic intelligent collection control water pumping system utilization rate based on MPPT algorithm according to claim 7,
Be characterized in that, the method for driver slave is closed in the step S302 successively the following steps are included:
Drive host is numbered and is sorted respectively with driver slave in networking circular list by Sb3021, drive host
Judgement goes out frequency by the minimum operation whether resulting output frequency of MPPT algorithm is equal to water pump, when the output frequency of water pump is big
When the minimum operating frequency of water pump, drive host is clear to the time counting of driver slave next in networking circular list
Zero, drive host continues to monitor output frequency, when the output frequency of water pump is equal to the minimum operating frequency of water pump, driver
Time counting of the Host Shutdown to next driver slave website；
Sb3022 judges in the gate time of setting whether the output frequency for the water pump connecting with drive host reaches
The minimum operating frequency of water pump, in setting gate time, the output frequency of water pump does not reach the minimum operating frequency of water pump,
Drive host continues to monitor output frequency, and in setting gate time, the output frequency of water pump reaches the minimum fortune of water pump
Line frequency, the number of drive host slave under reverse read in circular list；
Sb3023 judges whether above-mentioned number is the machine number, when the number is the machine number, illustrates only drive host
The water pump operation of connection, when the number is not the machine number, then drive host represents the driver slave hair for being to the number
Send shutdown command；
Sb3021, drive host recycle implementation steps S301, close next driver slave successively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811006249.8A CN109058121B (en) | 2018-08-30 | 2018-08-30 | Main machine fault and disconnection control method and utilization rate method of light Fu Zhineng centralized control water lifting system based on MPPT algorithm |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811006249.8A CN109058121B (en) | 2018-08-30 | 2018-08-30 | Main machine fault and disconnection control method and utilization rate method of light Fu Zhineng centralized control water lifting system based on MPPT algorithm |
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| CN109058121A true CN109058121A (en) | 2018-12-21 |
| CN109058121B CN109058121B (en) | 2023-12-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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