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A 25 kVA, 400 V, 3-phase synchronous generator delivers rated kVA at rated voltage at 0.8 pf lagging. The per phase (star basis) armature resistance and synchronous reactance respectively are 0.66 Ω and 7.1 Ω. The field winding is supplied 10.6 A at 110 V. The friction and winding loss is estimated to be 480 Ω and iron loss as 580 Ω. Calculate:
(a) the full-load efficiency.
(b) the terminal voltage when the load is thrown off.
A 60 Hz notch filter was discussed in Focus on Measurements: AC Line Interference Filter.
An amplifier operating from a single 15-V supply provides a 12-V peak-to-peak sine-wave signal to a I-ill load and draws negligible input current from the signal source. The de current drawn from the 15-v supply is 8mA.
Charged line and multiple conducting planes. An infinitely long line charged with a charge density PI is located at a distance d from a very large conductor, as in Figure 5.38.
A 345-kV, 3-phase transmission line delivers 100 MVA, 0.866 lagging, to a DELTA connected load. Calculate the following: a.) The total real and reactive power delivered to the load. b.) The real and reactive power per phase.
In a MOS cascode amplifier, the cascode transistor is required to raise the output resistance by a factor of 40. (1) If the transistor is operated at Vov=0.2V, what must its VA be
We roll two fair six-sided dice. Find the probability ofthe following events: (a) The two dice show the same number. (b) The number that appears on the rst die is larger than the number on the second.
Finite Difference Time Domain (FDTD) numerical method to develop for me a software program that simulates - evaluates Specific Absorption Rate (SAR) Distribution in a Human Head Near a Mobile Cellular Phone as a student project.
An input signal of 10V at 0o and a frequency of 1592 Hz is applied to a series RLC circuit with resistor R = 100 ohm, inductor L = 20 mH, and capacitor C = 200 nF.
Imagine you have been hired to develop an advertising campaign for a new fictional brand. Selecting a product category with which you are comfortable, identify a niche that is not being served by an existing brand. Next, develop a brand and pr..
Consider a source-free parallel RLC circuit having alpha =10^8 s^-1, omega-sub-zero = 10^3 rad/s, and omega-sub-zero * L = 5 ohm. a) Show that the stated units of omega-sub-zero * L are correct. b) Compute s_1and s_2.
The unit step response of a linear time invariant system is s(t) = (1 - e-at)u(t). Where "a" is a positive, real valued constant. What is the impulse response of the system. What is the frequency response of the system.
design a calander systen that will output the number of days in a month, when the number for a month is input, I need some direction on how to start this project. This needs to be designed using simple logic gates.
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