Inverter Training Quiz

What is the primary function of a photovoltaic (PV) cell?

• To convert sunlight into electricity

• To reflect sunlight away from the panels

• To convert sunlight into heat

• To store electricity for later use

What does MPPT stand for in the context of solar inverters?

• Minimum Power Point Tracking

• Minimum Performance Power Technology

• Maximum Power Point Tracking

• Maximum Performance Power Technology

Which type of inverter is designed for large-scale photovoltaic systems?

• Central Inverter

• Micro Inverter

• Hybrid Inverter

What is a disadvantage of using central inverters?

• Higher efficiency

• Lower installation complexity

• More flexible MPPT

• Single point of failure

What is the purpose of a combiner box in a central inverter system?

• To monitor system performance

• To aggregate DC power from multiple PV strings

• To convert AC to DC

• To provide cooling for the inverter

What does the term 'islanding' refer to in inverter operation?

• The inverter operating independently from the grid

• The inverter shutting down due to a fault

• The inverter's cooling system failing

• The inverter being isolated for maintenance

What is the role of a transformer in a central inverter?

• To cool the inverter

• To monitor system performance

• To step up or step down AC voltage

• To convert DC to AC

Which of the following is a safety procedure before working on inverters?

• Wearing casual clothing

• Using a voltage detector

• Working alone without supervision

• Ignoring lockout/tagout procedures

What is the purpose of surge protection devices (SPDs) in inverters?

• To monitor temperature

• To increase power output

• To protect against voltage spikes

• To convert AC to DC

What is a common alarm code indicating a system fault in inverters?

• Fault Code 70

• Fault Code 42

• Fault Code 38

• Fault Code 465