powerpoint ® presentation photovoltaic systems commissioning, maintenance, and troubleshooting...

PowerPoint® PresentationPowerPoint® Presentation

Photovoltaic SystemsPhotovoltaic SystemsCommissioning, Maintenance, and

TroubleshootingCommissioning, Maintenance, and

Troubleshooting

Commissioning • Maintenance • Monitoring • Troubleshooting

Arizona Solar Power Societywww.meetup.com/arizona-solar-power-society/

Commissioning • Maintenance • Monitoring • Troubleshooting

Arizona Solar Power Societywww.meetup.com/arizona-solar-power-society/

Chapter 14 — Commissioning, Maintenance, and Troubleshooting


A commissioning checklist should be reviewed before the initial startup of any PV system.

A commissioning checklist should be reviewed before the initial startup of any PV system.



A general start-up procedure begins at the array and ends at the loads, though exact procedures may differ.

A general start-up procedure begins at the array and ends at the loads, though exact procedures may differ.



A detailed walkthrough allows the installer to explain the basic operation of the PV system and the maintenance requirements to the owner.

A detailed walkthrough allows the installer to explain the basic operation of the PV system and the maintenance requirements to the owner.



Visual module inspections involve checking for damage from physical impacts, delamination, burned internal connections, and other problems.

Visual module inspections involve checking for damage from physical impacts, delamination, burned internal connections, and other problems.



Corroded grounding connections usually result from the contact of incompatible materials or extreme environments.

Corroded grounding connections usually result from the contact of incompatible materials or extreme environments.



Periodic shading control involves trimming vegetation and cleaning a soiled array.

Periodic shading control involves trimming vegetation and cleaning a soiled array.



Damp leaf debris trapped under arrays can cause mold and mildew problems.

Damp leaf debris trapped under arrays can cause mold and mildew problems.



Cracked or deteriorated weather sealing around attachment-point penetrations can quickly develop water leaks.

Cracked or deteriorated weather sealing around attachment-point penetrations can quickly develop water leaks.



Battery enclosures should be inspected for strength, cleanliness, and adequate ventilation.

Battery enclosures should be inspected for strength, cleanliness, and adequate ventilation.



Battery terminals are particularly susceptible to corrosion and may require frequent cleaning.

Battery terminals are particularly susceptible to corrosion and may require frequent cleaning.



Battery maintenance includes checking for an adequate level of electrolyte.

Battery maintenance includes checking for an adequate level of electrolyte.



Battery watering replaces water lost from gassing during charging.

Battery watering replaces water lost from gassing during charging.



Battery state of charge can be related to both specific gravity and voltage.

Battery state of charge can be related to both specific gravity and voltage.



Either one of two types of hydrometers can be used to measure the specific gravity of battery electrolyte.

Either one of two types of hydrometers can be used to measure the specific gravity of battery electrolyte.



When viewing through a refractive index hydrometer, the specific gravity of the tested fluid is measured against a calibrated scale.

When viewing through a refractive index hydrometer, the specific gravity of the tested fluid is measured against a calibrated scale.



An infrared (IR) thermometer can measure the temperature of electrical equipment, including PV system components.

An infrared (IR) thermometer can measure the temperature of electrical equipment, including PV system components.



A maintenance plan includes all the necessary maintenance tasks and their respective schedules.

A maintenance plan includes all the necessary maintenance tasks and their respective schedules.



The three most important points for measuring voltage and current information are the array output circuit, inverter output circuit, and charge controller circuit (if applicable).

The three most important points for measuring voltage and current information are the array output circuit, inverter output circuit, and charge controller circuit (if applicable).



Sensors for measuring irradiance and other parameters allow technicians to correlate PV system output with weather conditions.

Sensors for measuring irradiance and other parameters allow technicians to correlate PV system output with weather conditions.



Equipment status indicators may have multiple functions.

Equipment status indicators may have multiple functions.



Data-acquisition systems gather, record, and process information from many sources that can be used to observe trends or problems in PV system operation.

Data-acquisition systems gather, record, and process information from many sources that can be used to observe trends or problems in PV system operation.



The system level includes all the components of a PV system.

The system level includes all the components of a PV system.



PV subsystems are divided by the components involved in energy production, storage, processing or conditioning, distribution, and consumption.

PV subsystems are divided by the components involved in energy production, storage, processing or conditioning, distribution, and consumption.



Most equipment manuals include troubleshooting flow charts or procedures, which narrow the possible causes of a problem by following a specific set of instructions.

Most equipment manuals include troubleshooting flow charts or procedures, which narrow the possible causes of a problem by following a specific set of instructions.

powerpoint ® presentation photovoltaic systems commissioning, maintenance, and troubleshooting...

Documents

maintenance plan

maintenance requirements

commissioning checklist

troubleshooting sensors

troubleshooting pv subsystems

necessary maintenance

troubleshooting flow

pv system output