Power semiconductors

What is the main role of an inverter in power electronics?

  1. ATo convert DC to AC
  2. BTo convert AC to DC
  3. CTo convert light to electricity
Show answer and explanation

Answer: A. To convert DC to AC

An inverter switches power semiconductors on and off at high speed to convert DC into AC of any frequency and voltage. It is used for motor speed control and in power conditioners for solar power. Converting AC to DC is done by a converter (rectifier).

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More Power semiconductors questions

  1. In power devices, which loss mainly increases when the switching frequency is raised?
  2. Which is a characteristic of a superjunction (SJ) MOSFET?
  3. If a power device with a thermal resistance of 2 °C/W dissipates 10 W, what is the temperature rise?
  4. What is the parasitic diode that forms structurally inside a power MOSFET called?
  5. What is the general term for semiconductors with a larger band gap than silicon, such as SiC and GaN?