Solar Arrays

The primary component common to all PV systems is...

• the PV array

• the string inverter

• the battery bank

• DC disconnect

Tags

NGSS.HS-PS3-3

PV system is a simple type of stand-alone system where the output of a PV module or array is directly connected to a DC load.

• direct coupled

• hybrid

• grid-connected

• bimodal

Tags

NGSS.HS-ETS1-3

Batteries in a PV system are typically charged by the _____ and discharged by the ______.

• grid, solar arrays

• grid, inverter

• array, loads

• loads, solar arrays

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-3

A community in Central Texas is considering the installation of a solar panel array. The array would be built near the town and be used to provide electrical energy for homes in the community. Which of the following best describes advantages and disadvantages for this type of energy source?

• Solar energy is free, but the array will initially require money to build it.

• Solar energy is free, but it creates large amounts of carbon dioxide.

• Solar energy is a renewable resource, but causes long-term damage to the ecosystem.

• Solar energy is a renewable resource, but it is unable to be used in large arrays.

Tags

NGSS.HS-ESS3-2

NGSS.HS-ESS3-4

NGSS.HS-ETS1-3

NGSS.HS-LS2-7

Which of the following energy conversions methods does not rotate a magnet inside a generator to produce electricity?

• Coal burning power plantWind turbines

• Wind turbines

• Hydroelectric dam

• Photovoltaic solar panels

Tags

NGSS.HS-PS3-3

PV cells are connected together to increase power output and form modules which are then assembled together into larger units called _____________________.

• arrays

• cell blocks

• grids

• mega-modules

Tags

NGSS.MS-ETS1-1

Which is a disadvantage of concentrating solar thermal (CST) systems?

• They disturb the natural environment by covering a large amount of land with solar reflectors.

• The material sourcing requires excessive mining for a tracking system.

• A large plant produces only up to 35 MW of electricity.

• Production becomes more inefficient throughout the day as the temperature increases.

• Building is cost prohibitive and economically inefficient.

Tags

NGSS.HS-ESS3-1

NGSS.HS-ESS3-2

NGSS.HS-ETS1-3

Which of the following is a disadvantage of solar energy?

• It can only be used effectively in certain regions and certain times of day

• It produces greenhouse gases during use

• It is a nonrenewable energy source

• It is inexpensive compared to other sources

Tags

NGSS.HS-ESS3-2

NGSS.HS-ETS1-3

Pro (Advantages) of using solar energy include: SELECT ALL THAT APPLY

• Renewable

• Expensive to Install

• Produces no pollution during its operation

• Expensive to store energy

Tags

NGSS.MS-PS3-3

A solar panel or PV panel creates energy by:

• energizing excess electrons to move through wire

• turning a turbine

• heating water to create steam

• heating up silicon material

Tags

NGSS.HS-PS3-2