Can 100% efficiency ever be achieved in a sinusoidal power system? Support your answer using the knowledge you have learned about power factor in sinusoidal power systems.
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Can 100% efficiency ever be achieved in a sinusoidal power system? Support your answer using the...
THESE QUESTIONS ARE FROM THE SUBJECT POWER SYSTEM FUNDAMENTALS 9. Define and explain string efficiency. Can its value be equal to 100% ? 10. Show that in a string of suspension insulators, the disc nearest to the conductor has the highest voltage across it. 11. Explain various methods of improving string efficiency. 12. What is corona? What are the factors which affect corona ? 13. Discuss the advantages and disadvantages of corona.
Please help. Thanks List 5 types of non-carbon alternative electric power systems. For each system, briefly describe the power generation mechanism. Non-carbon electric power systems may not always be environmentally friendly. Is this statement true? Support your answer using 2 types of non- carbon electric power systems from your list with detailed arguments.
A group is considering installing a solar power station and has asked you for your recommendation for a photovoltaic system or a solar thermal system. At this stage you are asked not to include cost factors. The single point design condition they have given you is for an incident solar radiation on the collector of 550 W/m2, a surrounding temperature of 18 C. The dead state for this problem should be taken as To = 291 K, Po = 1...
a) How would you characterise power bipolar devices in comparison with power MOSFETs? Illustrate your answer by providing unique features of power MOSFETs.b) Using the aid of a MOSFET diagram, explain operational features of the power MOSFET. Support your explanation using MOSFET operation as a switch. Also, illustrate the conditions needed to drive a power MOSFET in the different regions of operation.c) Discuss four (4) advantages of a bridge or half-bridge forward converter when compared with a single-ended forward converter
Answer the question: "what is a system?" It can be as short as one page or as long as 3 pages. What is a System? The term “system” originates from the Greek term syst¯ema, which means to “place together.” Multiple business and engineering domains have definitions of a system. This text defines a system as: System An integrated set of interoperable elements, each with explicitly specified and bounded capabilities, working synergistically to perform value-added processing to enable a User to...
A computerized data-management system that supports several activities—such as order entry, result retrieval, documentation, and decision-support across locations—would MOST accurately be considered a(n) ________. Group of answer choices clinical information system administrative information system hospital information system database To design a nursing system that will enhance usability by the nurse user requires that ________. Group of answer choices the design be developed with the patient in mind knowledge of systems from other industries be used the technology use of the...
APPLYING YOUR KNOWLEDGE 1. The fossil record provides little information about ancient mosses. Do you think that bryophytes could ever have been large, tree-sized plants? Pro vide evidence from your investigations to support your answer. 2. On a walk through a botanical garden, you notice a small leafy plant that is growing along the edge of a small stream in a shady nook. You hypothesize that this plant is a lycophyte. What information can you gather to test your hypothesis?
Prove the maximum power transfer theorem for AC source and load impedances using phasors. Support your mathematical derivation with appropriately drawn schematics. Please answer this question as thoroughly as possible.
Have you ever held a leadership position in any of your employment experiences? What can you tell us about it? Was it positive or negative?
What have you learned from e-commerce and knowledge management subject? Using your own words, please do write about that with minimum of 150 words .