1.  Why is sine wave output the preferred inverter output?

 2.  How do modified square. wave inverters compare with square wave inverters in terms. of power quality?

 3.  How is power quality relevant to inverter output?

 4.  Compare the basic system configurations of stand-alone, interactive, and bimodal inverters.

 5.  What are the similarities and differences between thyristors and transistors?

 6.  Why can line-commutated inverters not be used in stand-alone systems?

 7.  How does higher-frequency control result in a better approximation of a true sine wave?

 8.  How are inverters different from power conditioning units?

 9.  Why is it important for inverters to manage their temperature?

 10.  How do stand-by losses affect inverter efficiency for various power levels?

 11.  What types of system operating information are typically provided by inverter interfaces?