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A long-shunt compound generator has a terminal voltage of 240 V at its rated output of 200 A. Its resistances are shunt field 60 a, series field 20 ma, armature 80 ma, and interpole field 25 ma. The magnetic and mechanical losses are 1500 W and 250 W, respectively. Sketch its power flow diagram and determine its efficiency.
A parallel RLC network is constructed with a 5 mH inductor, and the remaining component values are chosen such that Q0 = 6.5 and ω0 = 1000 rad/s. Determine the approximate value of the input impedance magnitude for operation
a) the synchronous generator has a unique ability whihc places it at the top of the heap of all machines that might be used for generation of electric power. This unique capability is what allows the business of electric dispatch to even occur.
A balanced D-connected load is fed by a three-phase supply for which phase C is open and phase A is carrying a current of 10
1. Find cross-correlation sequence for x and y. 2. Find autocorrelation sequence for x and y. 3. Find the convolution sequence z(n) for x and y. 4. Plot above three sequences using MATLAB and verify your hand calculations for those sequences
In a swamped common-emitter BJT amplifier, as shown below, if Vcc = 12 V, R1 = 8.2 k , R2 = 10 k , Rc = 500 , RE = 1 k , VBE = 0.7 V, and = 100, what is the transistor's emitter current
A three-phase, wye-connected, 220-V, 10-hp, 60-Hz, six-pole induction motor has the following parameters in ohms per phase referred to the stator: R1 = 0.294; R2 = 0.144; Xn = 0.503, X12 = 0.209;XM = 13.25.
Design a circuit that given a 4-bit BCD digit(0-9) willproduce a 2-bit quotient and a 2-bit remainder for a division by3. This circuit will have four inputs the four bits of theBCD digit and four outputs 2 bits for the quotient and 2 bits forthe ..
What is mutual coupling in a magnetic circuit? and What is coefficient of magnetic coupling ? Need the ansswer for this Question with full explanation .
1. An optical fiber has a core refractive index n1=1.5 and a cladding refractive index n2=1.48. If the core diameter of the fiber is 50 microns, please calculate (a) The numerical aperture of the fiber.
The density of chloroform is 1.48 g/mL at 20oC. How many milliliters of would you use if you want 112.5g of chloroform.
(1) If the frequency was changed, what would happen to the current in a circuit Explain increase or decrease. (2) If you have R = 2 K ohm, Xc = 3 K ohm, XI = 4 K ohm . Find the G, Bc, BI, Yt anf Zt.
Determine the initial stored charge. Determine energy of the capacitor. If this capacitor is discharged to 0 V in a time interval of 1 s, find the average power delivered by the capacitor during the discharge interval.
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