A three-phase 50-Hz lossless transmission line is 300 km long. The series impedance and the shunt admittance per unit length of the line are z =j0.2 2/km/ph., y=j2×106 S/km/ph. The line is short-circuited at the receiving end. The sending end voltage is 380 kV line-to-line. a) Find and sketch the voltage along the line as a function of position x measured from the receiving end (i.e. * = 0 at the receiving end). b) Find the reactive power supplied by the source to the line.
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.
Power systems question
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