11.26 The line-to-neutral voltage at the terminals of the balanced three-phase load in the circuit shown in Fig. P11.26 is 1600 V. At this voltage, the load is ab- sorbing 480 kVA at 0.8 pf lag. a) Use VAN as the reference and express Ina in polar form. n b) Calculate the complex power associated with the ideal three-phase source. c) Check that the total average power delivered equals the total average power absorbed. d) Check that the total magnetizing reactive power delivered equals the total magnetizing reactive power absorbed. Figure P11.26 Ina Van V cn a -1750 bn b -j75 Ω ; 21 0.2 Ω j 0.8 Ω -j750 0.2 Ω - j 0.8 Ω ww 0.2 Ω j0.8 Ω | ww A 480 kVA B 0.8 pf lag C
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.
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