11. A three-phase 420-kV, 60-HZ transmission line is 463 km long and may be assumed lossless. The line is energized with 420 kV at the sending end. When the load at the receiving end is removed, the voltage at the receiving end is 700 kV, and the per phase sending end current is 646.66 290 • A. (a) Find the phase constant ß in radians per Km and the surge impedance Zc in S2. (b) Ideal reactors are to be installed at the receiving end to keep [Vs] = |VR| = 420 kV when load is removed. Determine the reactance per phase and the required three-phase Mvar.
Short Transmission Line
A short transmission line is a transmission line that has a length less than 80 kilometers, an operating voltage level of less than 20 kV, and zero capacitance effect.
Power Flow Analysis
Power flow analysis is a topic in power engineering. It is the flow of electric power in a system. The power flow analysis is preliminary used for the various components of Alternating Current (AC) power, such as the voltage, current, real power, reactive power, and voltage angles under given load conditions and is often known as a load flow study or load flow analysis.
Complex Form
A power system is defined as the connection or network of the various components that convert the non-electrical energy into the electric form and supply the electric form of energy from the source to the load. The power system is an important parameter in power engineering and the electrical engineering profession. The powers in the power system are primarily categorized into two types- active power and reactive power.
![11. A three-phase 420-kV, 60-HZ transmission line is 463 km long and may be assumed lossless. The
line is energized with 420 kV at the sending end. When the load at the receiving end is removed, the
voltage at the receiving end is 700 kV, and the per phase sending end current is 646.66 290 • A. (a)
Find the phase constant ß in radians per Km and the surge impedance Zc in №. (b) Ideal reactors are
to be installed at the receiving end to keep [Vs] = |VR| = 420 kV when load is removed. Determine the
reactance per phase and the required three-phase Mvar.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe53828e0-fbca-4901-a6df-51fa058b3532%2F8914edd0-fe36-46ee-87aa-dbe5ea2d4b77%2Fcm08rw5_processed.jpeg&w=3840&q=75)
Step by step
Solved in 4 steps with 2 images
