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1) Draw the circuit diagram of a 3-phase Y-connected voltage source clearly labelling all phase and line voltages. Also, write down the mathematical formulas that express the relationship between phase voltages, and phase and line voltages. Are the line voltages greater in magnitude or phase voltages?.
2) Write down the relationship between peak and RMS values of a voltage. What are the peak and RMS values of the mains voltage in Australia?.
3) For the following (Delta) connected load, if the phase impedance is 18+21j Ω/Φ, what would be the phase impedance of the equivalent Y (wye) connected load. Draw the circuit diagram of the Y (wye) connected load?.
4) What is the current in a 3-phase 4 wire balanced system? and why?
5) What is the per unit system? How are the actual circuit quantities (voltages, currents, impedances, etc) converted to their per-unit values? If the 3-Φ apparent power (|S|) rating of a 3-phase Y-to-Y connected load is 5kVA and line voltage is 415volts, what would be the base impedance?.
Provide benefits for a healthcare organization's purchase of a new xray machine. Please provide the cost of the new machine and possible profits from the capital purchase.
Discuss the two methodological approaches, qualitative and quantitative. What do you see as the main differences between these two approaches?
Find the mass of a hypothetical spherical asteroid 2 km in diameter and composed of rock with average density 2500 kg/m3. (b) Find the speed required to escape from the surface of this asteroid.
Food should always be sent in lunch containers that have frozen ice packs and food should be labeled with the child's name, the date, and the type of food.
A biography of the theorist (four to five paragraphs). The biography portion of the paper should be brief and relevant to the purpose of the paper. A detailed explanation of the theorist’s most important contribution to the field (what they are best ..
Why are confounding variables bad?
question 1abc university has implemented a system of crm. mickey maros the executive director of executive education
High-technology businesses, governments, and community groups acting together appear to be winning the battle of making technology more accessible to all people regardless of their race, income, education, age, or residence.
after viewing the mighty . think about the setting of kevin and max. kevin has a physical disability. max has a
Why are the top two search engine providers in Japan foreign entrants, whereas in South Korea and China, it is a domestic incumbent that dominates the industry?
Using these building blocks above, weave them together into a cohesive whole explaining the process of scientific study
i chose this for my individual project topic is uk polices of 1970s and 1980sproject using the country andor period
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