Home Solar Inverter — Questions and answers
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Where were early solar systems mostly used before super good inverters were invented?
Choices
- A. In big cities and tall buildings.
- B. In remote cabins, spacecraft, and for experiments. ✓
- C. To power entire communities smoothly.
- D. In modern homes with everything connected.
Answer: B. In remote cabins, spacecraft, and for experiments.
From page 2
What is the main difference between Direct Current (DC) and Alternating Current (AC)?
Choices
- A. DC is used for big power plants, and AC is used for small toys.
- B. DC flows in one steady direction, while AC quickly changes direction. ✓
- C. DC can only make light, and AC can only make heat.
- D. DC is very loud, and AC is very quiet.
Answer: B. DC flows in one steady direction, while AC quickly changes direction.
From page 3
What was a main goal of Werner Kleinkauf's work on 'grid-tie' inverters?
Choices
- A. To make solar panels colorful and fun.
- B. To make systems that could perfectly match the electricity grid. ✓
- C. To store all the extra solar power in huge batteries.
- D. To make electricity that was very choppy and irregular.
Answer: B. To make systems that could perfectly match the electricity grid.
From page 5
What does MPPT do to help solar panels?
Choices
- A. It keeps the solar panels clean from dirt.
- B. It changes the color of the solar panels to absorb more light.
- C. It helps the panels find and use the most power from the sunlight. ✓
- D. It makes the solar panels heavier so they don't blow away.
Answer: C. It helps the panels find and use the most power from the sunlight.
From page 6
How did inverters help more people start using solar power in the 21st century?
Choices
- A. They made solar panels much heavier and harder to install.
- B. They made solar systems less efficient and more expensive.
- C. They became very efficient, reliable, and more affordable. ✓
- D. They made it illegal to put solar panels on roofs.
Answer: C. They became very efficient, reliable, and more affordable.
From page 8
What is one exciting future idea that the Home Solar Inverter helps make possible?
Choices
- A. Making all homes only use old types of energy.
- B. Making it harder for homes to be energy independent.
- C. Allowing cars to share their battery power with the electricity grid (V2G). ✓
- D. Stopping the world from using any renewable energy.
Answer: C. Allowing cars to share their battery power with the electricity grid (V2G).
From page 10