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| | + | {{SPIS Set Up}} |
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| | + | | {{Back to SPIS Toolbox 2}} |
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| | + | | {{Back to Set Up}} |
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| | + | | {{Next Chapter}}[[SPIS_Toolbox_-_Documentation|►Go to the Next Chapter]]</span></span> |
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| − | {{SPIS Set Up}}{{Back to SPIS Toolbox}}
| + | === '''<span style="color: rgb(135, 150, 55);">5. System Test</span>''' === |
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| − | === '''<span style="color:#879637;">System Test</span>''' === | + | |
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| | [[File:WaterflowGhana.jpg|thumb|right|300px|Measuring water flow (Source: Reinhold Schmidt)]] After the testing of the PV generator, the functionality of the other system components and their joint functionality must be checked and tested. This testing step should follow the same principles as the preceding PVP acceptance test. At least the following should be tested: | | [[File:WaterflowGhana.jpg|thumb|right|300px|Measuring water flow (Source: Reinhold Schmidt)]] After the testing of the PV generator, the functionality of the other system components and their joint functionality must be checked and tested. This testing step should follow the same principles as the preceding PVP acceptance test. At least the following should be tested: |
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| | *distribution valves, distribution pipes and connectors; | | *distribution valves, distribution pipes and connectors; |
| | *reservoir and filters (if part of the system); | | *reservoir and filters (if part of the system); |
| − | *irrigation pipes and watering device s (emitters, mini sprinklers) by doing a Water Application Uniformity test (see Tool '''[[:File:MAINTAIN_–_Water_Application_Uniformity_Guide.xlsx|MAINTAIN – Water Application Uniformity Guide]]'''). | + | *irrigation pipes and watering device s (emitters, mini sprinklers) by doing a Water Application Uniformity test (see Tool '''[[:File:MAINTAIN – Water Application Uniformity Guide V1.0.xlsx|MAINTAIN – Water Application Uniformity Field Guide]]'''). |
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| | The system test for the aforementioned components includes: | | The system test for the aforementioned components includes: |
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| | Measurements are usually carried out “from head to tail”, starting with the release of the water into the supply line (to storage tank or direct injection) and ending with the flushing outlets of the irrigation pipes. Pressure measurements have to be taken at all system joints / distribution knots to assess the hydraulic distribution in all sections. These measurements have to take into account the pressure variation during the day caused by fluctuating irradiance levels. The results need to be documented as a hydraulic profile of the irrigation system. | | Measurements are usually carried out “from head to tail”, starting with the release of the water into the supply line (to storage tank or direct injection) and ending with the flushing outlets of the irrigation pipes. Pressure measurements have to be taken at all system joints / distribution knots to assess the hydraulic distribution in all sections. These measurements have to take into account the pressure variation during the day caused by fluctuating irradiance levels. The results need to be documented as a hydraulic profile of the irrigation system. |
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| − | '''Calibration: '''The water discharge to the field needs to be calibrated in order to manage crop water distribution efficiently. Pressure differences may exist between different sec-tions of the irrigation system and the pressure inputs vary in a PV pumping system without elevated storage, causing water discharge from the irrigation devices to differ from section to section and within the course of a day. The water discharge from the irrigation devices has to be measured at different times of the day to calculate the actual water discharge, which can then be managed by varying the irrigation interval per area unit. | + | '''Calibration: '''The water discharge to the field needs to be calibrated in order to manage crop water distribution efficiently. Pressure differences may exist between different sections of the irrigation system and the pressure inputs vary in a PV pumping system without elevated storage, causing water discharge from the irrigation devices to differ from section to section and within the course of a day. The water discharge from the irrigation devices has to be measured at different times of the day to calculate the actual water discharge, which can then be managed by varying the irrigation interval per area unit. |
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| | '''Note: '''This calibration measurement is a time consuming exercise! | | '''Note: '''This calibration measurement is a time consuming exercise! |
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| − | Considerable differences between the de-signed and actual performance can be a sign for a poor design (collected data, poor choice of component, etc.) or poor workmanship. Quality of workmanship has a direct influence on system performance and sustainability, and poor workmanship can compromise even the best system components. The tool '''[[:File:SET UP – Workmanship Quality Checklist.xlsx|SET UP – Workmanship Quality Checklist]]''' comprises various workmanship indicators clustered into different categories. The purpose is to assess whether quality of installation adheres to best practices, safe-ty requirements and overall installation sustainability. | + | Considerable differences between the designed and actual performance can be a sign for a poor design (collected data, poor choice of component, etc.) or poor workmanship. Quality of workmanship has a direct influence on system performance and sustainability, and poor workmanship can compromise even the best system components. The tool '''[[:File:SET UP – Workmanship Quality Checklist V1.0.xlsx|SET UP – Workmanship Quality Checklist]]''' comprises various workmanship indicators clustered into different categories. The purpose is to assess whether quality of installation adheres to best practices, safety requirements and overall installation sustainability. |
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| − | === '''<span style="color:#879637;">Outcome/Product</span>''' === | + | ==== '''<span style="color: rgb(135, 150, 55);">Outcome/Product</span>''' ==== |
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| | *Completed system test for the irrigation system; | | *Completed system test for the irrigation system; |
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| | *Water discharge data for all irrigation sections. | | *Water discharge data for all irrigation sections. |
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| − | === '''<span style="color:#879637;">Data Requirements</span>''' === | + | ==== '''<span style="color: rgb(135, 150, 55);">Data Requirements</span>'''==== |
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| | *Measured pressure and water discharge in all irrigation sections; | | *Measured pressure and water discharge in all irrigation sections; |
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| | *Observations from visual check. | | *Observations from visual check. |
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| − | === '''<span style="color:#879637;">People/Stakeholders</span>''' === | + | ==== '''<span style="color: rgb(135, 150, 55);">People/Stakeholders</span>''' ==== |
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| | *Producer; | | *Producer; |
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| | *Agricultural service provider. | | *Agricultural service provider. |
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| − | === '''<span style="color:#879637;">Important Issues</span>''' === | + | ==== '''<span style="color: rgb(135, 150, 55);">Important Issues</span>''' ==== |
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| | *The on-site system test is mandatory to verify whether the irrigation systems achieve design performance. | | *The on-site system test is mandatory to verify whether the irrigation systems achieve design performance. |
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| | *Calibration of the irrigation discharge system is important to efficiently manage crop water distribution. | | *Calibration of the irrigation discharge system is important to efficiently manage crop water distribution. |
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| − | <br/>{{SPIS Reference}} | + | |
| | + | {| cellpadding="1" |
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| | + | | {{Back to SPIS Toolbox 2}} |
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| | + | | {{Back to Set Up}} |
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| | + | | {{Next Chapter}}[[SPIS_Toolbox_-_Documentation|►Go to the Next Chapter]]</span></span> |
| | + | |}{{SPIS Reference}} |
After the testing of the PV generator, the functionality of the other system components and their joint functionality must be checked and tested. This testing step should follow the same principles as the preceding PVP acceptance test. At least the following should be tested:
Measurements are usually carried out “from head to tail”, starting with the release of the water into the supply line (to storage tank or direct injection) and ending with the flushing outlets of the irrigation pipes. Pressure measurements have to be taken at all system joints / distribution knots to assess the hydraulic distribution in all sections. These measurements have to take into account the pressure variation during the day caused by fluctuating irradiance levels. The results need to be documented as a hydraulic profile of the irrigation system.
Considerable differences between the designed and actual performance can be a sign for a poor design (collected data, poor choice of component, etc.) or poor workmanship. Quality of workmanship has a direct influence on system performance and sustainability, and poor workmanship can compromise even the best system components. The tool SET UP – Workmanship Quality Checklist comprises various workmanship indicators clustered into different categories. The purpose is to assess whether quality of installation adheres to best practices, safety requirements and overall installation sustainability.
