Energy Systems 244 - Chapter 5.1

Describe line models:

• the lengths for short line approximation

• the lengths for medium line approximation

• the lengths for general lines

• state the equations for the following properties(units):

  • z

  • y

  • Z

  • Y

  • l

Describe the two-port network:

• draw the circuit

• state the equations

• 
  

Describe the short transmission line:

• Draw the circuit

• State the frequency range and length

• which conditions the approximation is applied to

• state the equations

• 
  

Describe the medium transmission line:

• Draw the circuit

• State the frequency range and length

• which conditions the approximation is applied to

• state the equations

State the property of medium and short length lines regarding its bilaterally

Draw the circuits and state the ABCD matrices for the following common networks:

• series impedance

• shunt admittance

• T circuit

• pi circuit

• series networks

Describe voltage regulation:

• state what it is

• phasor diagrams relating to it

• voltage regulation relating to a short line

• effects of poor and good voltage regulation

• what it looks like in practice

Describe line loadibility:

• define line loadibility

• the three major limits

• limits for short, long and longer line lengths

• describe thermal limit