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Photovoltaic Final Exam Questions And All Correct Answers.
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A photovoltaic cell or device converts sunlight to ___ - Answer DC electrical energy PV systems operating in parallel with the electric utility system are commonly referred to as ___ systems - Answer interactive PV systems operating independently of other power systems are commonly refe...

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  • October 8, 2024
  • 11
  • 2024/2025
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  • Solar PV Engineering and Installation
  • Solar PV Engineering and Installation

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Photovoltaic Final Exam Questions And
All Correct Answers.
A photovoltaic cell or device converts sunlight to ___ - Answer DC electrical energy



PV systems operating in parallel with the electric utility system are commonly referred to as ___ systems
- Answer interactive



PV systems operating independently of other power systems are commonly referred to as ___ systems -
Answer stand alone



photovoltaic applications for spacecraft, remoted power and portable equipment would be considered
what type of systems? - Answer stand alone



While PV cells produce only ___ power, PV systems can produce ___ power - Answer DC, AC, or both



Balance of system components typically include which of the following? - Answer wiring, conduit,
switchgear, and overcurrent protection



Most PV modules produced and installed today are what type of collector? - Answer Flat plate



Concentrating PV arrays use ___ or ___ to focus the suns power on a smaller area - Answer mirror or
lenses



A primary distinction between PV systems and fossil-fueled power plants or engine generators is that PV
systems ___ - Answer produce free electricity,

convert a basic form of energy directly to electricity,

require no maintenance

, Compared to conventional power generating equipment, PV systems have relatively ___ life and require
___ maintenance - Answer long/low



List three desirable features of PV systems - Answer clean no emissions, no moving parts, free and
renewable fuel source



In addition to using a free, renewable fuel source, what are two key environmental benefits of PV
systems? - Answer renewable energy, no noise, no pollution



List at least three limitations of PV systems - Answer off grid



The first markets for PV systems were comprised largely of ___ applications - Answer comprised



List two advantages of distributed power generation - Answer less transmission and distribution losses
utility back up



List the three main components of the electric utility system - Answer generation, transmission, and
distribution



PV systems can be installed by almost anyone with little training - Answer false



The first terrestrial applications for photovoltaics were ___ - Answer telecommunication systems



List six characteristics of qualified PV system installers or contractors - Answer page 16 list



The first practical silicon solar cell was made in ___ - Answer 1954



List four types of small electronics devices that may use photovoltaic cells for primary power or battery
charging - Answer cell phones, calculations, radios, GPS receivers



Solar power is commonly expressed in units of ___ - Answer watts per square meter

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