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Photovoltaic Systems

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Chapter 3 - Quiz

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1. What is the main advantage of a grid-connected photovoltaic system?
It allows excess electricity to be sold to an electricity provider It is less expensive to install It is completely independent of the electrical grid It operates even when the grid is down
2. What is the disadvantage of grid-connected systems?
They require frequent maintenance Dependence on weather conditions No autonomy during power outages High battery costs
3. What is the main advantage of a hybrid photovoltaic system?
It is less expensive to install than an off-grid system It combines the advantages of grid-connected and off-grid systems It can operate without batteries It is easier to integrate into existing buildings
4. Why do off-grid solar energy systems often use batteries?
To convert the electricity produced by solar panels into electrical current To store the electricity produced by solar panels for later use To store electricity from the grid during the charging phase To increase the power output of solar panels under all weather conditions
5. What is the main challenge of using solar energy in an off-grid system?
The need for a large area for solar panels Dependence on weather conditions Difficulty finding solar panel suppliers The need to store electricity for continuous use
6. What is one advantage of grid feed-in for selling solar electricity?
It is less expensive than installing off-grid solar systems It provides complete energy independence It guarantees a stable power supply under unfavorable weather conditions It allows users to benefit from favorable feed-in tariffs for the solar electricity produced
7. What type of meter is generally installed to measure solar electricity fed into the grid?
An electromechanical meter A smart meter A gas meter A bidirectional meter
8. Which type of system is particularly suitable for solar water pumping?
Grid-connected system Off-grid system Backup system Self-consumption with feed-in
9. Which system is the most complex to install?
Simple grid-connected system Basic off-grid system Hybrid system Direct self-consumption system
10. A backup system with solar panels becomes:
A grid-connected hybrid system An On-Grid system An Off-Grid system A simple converter
11. The main advantage of an Off-Grid system is:
Its low cost Complete energy independence Its dependence on the grid Its ease of maintenance