Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN: 9781305632134
Author: J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher: Cengage Learning
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What are FACTS (Flexible Alternating Current Transmission Systems), and how do they enhance power system performance and control?
What is a FACTS (Flexible Alternating Current Transmission System) device, and how does it impact power system operation?
What are FACTS (Flexible Alternating Current Transmission Systems), and how do they improve the control and efficiency of power transmission?
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- Describe the concept of HVDC (high-voltage direct current) transmission and its applications in power systems.arrow_forwardExplain the concept of FACTS (Flexible Alternating Current Transmission Systems) devices. How do they enhance the control and stability of power systems? Provide examples of FACTS devices and their applications.arrow_forwardThree single-phase two-winding transformers, each rated 3kVA,220/110volts,60Hz, with a 0.10 per-unit leakage reactance, are connected as a three-phase extended autotransformer bank, as shown in Figure 3.36(c). The low-voltage winding has a 110 volt rating. (a) Draw the positive-sequence phasor diagram and show that the high-voltage winding has a 479.5 volt rating. (b) A three-phase load connected to the low-voltage terminals absorbs 6 kW at 110 volts and at 0.8 power factor lagging. Draw the per-unit impedance diagram and calculate the voltage and current at the high-voltage terminals. Assume positive-sequence operation.arrow_forward
- Consider a single-phase electric system shown in Figure 3.33. Transformers are rated as follows: XY15MVA,13.8/138kV, leakage reactance 10 YZ15MVA,138/69kV, leakage reactance 8 With the base in circuit Y chosen as 15MVA,138kV determine the per-unit impedance of the 500 resistive load in circuit Z, referred to circuits Z, Y, and X. Neglecting magnetizing currents, transformer resistances, and line impedances, draw the impedance diagram in per unit.arrow_forwardDiscuss the role of FACTS (Flexible Alternating Current Transmission Systems) devices in power system control and optimization.arrow_forwardExplain the principles of HVDC (High-Voltage Direct Current) transmission and its advantages over AC transmission in advanced power systems.arrow_forward
- Subject - Design electrical circuits for single-phase AC networks Question - Compare the effect of varying resistance, capacitance and inductance in parallel and series AC circuits on voltage, resistance and impedancearrow_forwardIn power distribution systems, what is sometimes necessary to install to reduce harmonic frequencies and distortion between the three-phase transformers and distribution panels?arrow_forwardIn the context of power quality, what are common issues like voltage sags, swells, harmonics, and transients? How can these issues be mitigated or corrected in a power system?arrow_forward
- Describe the concept of HVDC (High-Voltage Direct Current) transmission and its advantages over traditional HVAC (High-Voltage Alternating Current) transmission in power systems.arrow_forwardWhat is the main direct cause of reactive power in AC system?A. Resistance of transmission linesB. Inductance and capacitance in the loadsC. Ideal transformer connected in the systemD. Power produced by generatorarrow_forwardDiscuss the role of HVDC (high-voltage direct current) transmission systems in long-distance power transmission. What are the advantages of HVDC over traditional HVAC (high-voltage alternating current) systems?arrow_forward
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Power System Analysis and Design (MindTap Course ...Electrical EngineeringISBN:9781305632134Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. SarmaPublisher:Cengage Learning
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ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:Cengage Learning