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Explain why tap-changing transformers at load customer can cause voltage instability.
Voltage regulating transformers (load voltage control). This question 4.3 explores the use ofregulating transformers to control voltages at bulk supply load- buses An important application of voltage regulating transformers is to control the voltage on the low-voltage (LV) side of transformers in bulk supply substations. Such sub- stations receive power from the transmission system (e.g. at voltages at 275 kV and higher) and transform it to sub-transmission / distribution system voltages (e.g. 66 kV or 33 kV) for distribution to...
Q1: For ideal transformers, can you explain the ratio between windings, current, and voltage. And explain the relationships of the ratios when the circuit is referred to primary and secondary. Show the proof. Q2: Using the ideal transformer ratio, how do we find its referred( primary or secondary) impedance. Q3: Show the proof for reactance and resistance when referred to primary or secondary. Hint : R= a^2 * R , R/a^2 How do we know when to use these formulas?
Explain in 400 of your own words why might customer actions and attitudes cause the service performance gap to occur? Use an example in your personal experience to illustrate your understanding.
Can competition or predation cause extinction? Why or why not? Please explain your answer in detail.
a) Explain briefly why the core of most power transformers is made out of a magnetic material such as steel rather than wood. b) What would be the best type of motor for the following applications? 1. Driving a pump that always operates at full load? 2. A machine tool that requires precise speed or position control? c) Explain briefly when it would be optimal to produce power from a hydroelectric power plant with a large reservoir? d) Give two...
Explain why the Greece credit crisis can cause contagion effects throughout Europe
- Define customer retention - Explain why customer retention is important to your business and explain five customer retention strategies that may benefit your business. - Research customer retention strategies and Make recommendations on how to implement these methods. - Expand on some customer retention strategies to attract new and retain existing customers - Identify the factors that you would take into consideration to determine the prices of your products and services
Explain why diagonalization is the same as changing to a basis of eigenvectors, computing the linear transformation with respect to this basis, and then changing back to the standard basis. In addition, create your own example (with specific numbers) that illustrates your explanation. You should write in complete sentences, though you can certainly have equations and symbols as part of your sentences (and probably should).
Explain fully the concept of “Twin Deficits” and use this concept to explain why the cause of the US trade deficit with China is largely due to American wars across the globe.
what does it mean by incipient of instability (GM = 0)? can you explain "to identify loading conditions for incipient of instability for GM = 0 in metancentric height experiment?