Questions and Answers
In direct-coupled photovoltaic systems, why should the impedance of the DC load be matched to the maximum power output of the PV array?
To ensure better performance of the system under solar radiation
Which type of stand-alone PV system is generally common in remote areas of developing countries for applications such as water pumping and ventilation fans?
Direct-coupled PV systems
What is the main purpose of battery storage in stand-alone photovoltaic DC systems?
To provide electrical energy for powering the DC loads during nights or insufficient irradiance levels
Which component is NOT typically part of a stand-alone photovoltaic DC system with battery storage?
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What is the most important design criterion in direct-coupled PV systems for applications such as water pumping and small-scale circulating pumps of solar thermal heating systems?
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What is the purpose of a maximum power point tracking (MPPT) algorithm in a battery charger unit for grid-connected systems?
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In a grid-connected PV system, what does net metering refer to?
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What is the role of a power conditioning unit (PCU) in a grid-connected PV system?
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Why is it important for the power conditioning unit to drop the PV system from the grid during a utility power outage?
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What is the main purpose of a small battery bank in a grid-connected PV system?
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