Flexible AC Transmission System.

  1. Why do we need interconnected transmission systems ?
  2. Why is it required to control the power flow through an AC transmission line ?
  3. Mention any three general methods of controlling the power flow through AC transmission lines.
  4. State the practical applications of FACTS devices in power system.
  5. Which factors limit the loading capability of transmission lines ?
  6. Mention any one problem faced in maintaining the secure operation of interconnected systems which can be overcome by FACTS devices.
  7. What do you mean by FACTS ? Define FACTS controller.
  8. What are the four main categories of FACTS controllers ?