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A single phase, 50 kVA, 2400:240-Volt, 60Hz distribution transformer has the following parameters:
• Resistance of 2400-volt winding R1 = 0.75Ω, • Resistance of 240-volt winding R2 = 0.0075Ω, • Leakage reactance of the 2400-volt winding Xl1 = 1Ω, • Leakage reactance of the 240-volt winding X12 = 0.01Ω, • The exciting admittances on both sides are negligible.
a. Draw the equivalent circuit referred to the high-voltage side.b. The transformer is used as a step-down transformer at the load end of the feeder (distribution line) whose impedance is (0.5 + j2.0) Ω. Determine Vs at the sending end of this feeder when transformer delivers rated load at rated secondary voltage and 0.8 lagging power factor.
Research the recent history of gasoline pricing in your area, and attempt to relate any fluctuations you observe to documented supply and demand factors outlined in our book. Be sure to cite any references used.
The outputs of two "NAND" gates are connected to the inputs of an "Exclusive Or" gate. Each of the "NAND" gates has one input at a logic high level, and the other input at a logic low level. What is the output of the "Exclusive Or" gate?
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What is the value of RTH?
Important information about System Analysis and Design, Elmwood College Situation: The school is considering a new system that will speed up the registration process.
Determine power series values for common scientific and engineering functions and Obtain the Maclaurin series for the following functions. State the values of the x which the series converge.
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