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A 15kV:175kV, 125 MVA, 60 Hz single-phase transformer has primary and secondary impedances of 0.0095+j0.063 per unit each. The magnetizing impedances is j148 per unit. All quantities are in per unit on the transformer base. Calculate the primary andsecondary resistances and reactances and the magnetizing inductance (referred to the low voltage side) in ohms and henerys.
A three-phase induction motor operates at a slip of 3% and has a rotor copper loss of 300W. The rotational loss is 1500W. Determine (a) The air-gap power (b) The power output (c) If the rotor impedance is 0.2+j0.8 ohm/phase,
You are given a black box, a 6 k Ohm resistor, a 40 nF capacitor, a voltmeter, and an ammeter. With these supplies you complete the following measurements at 950 Hz: You place the resistor and capacitor in series and measure a current flowing.
In the 3-Op Amp Instrumentation amplifier, all the resistor values are the same with the exception of RG which determines the gain. Is it possible to have additional gain at the output Op Amp of Rf/Rin
First draw the transmit con-stellation and the receive constellation with ideal phase tracking and sampling. Note:they are obviously the same constellations. Now, assume that receiver synchronization is off by a phase angle.
A 600V, dc shunt motor has an armature and field resistance of 1.5 ohm and 600 ohm, respectively. When the motor runs unloaded, the line current is 3A, and the speed is 1000 rpm.
John's house is served electrically by a single phase transformer rated 15 kVA, 8160 / 220 V, 60 Hz. The leakage reactance of the transformer is 400 ohms referred to the high side. John wants to replicate an interesting EEE 360 experiment
You have two biased coins. Coin A comes up heads with probability 1/4. Coin B comes up heads with probability 3/4. However, you are not sure which is which so you flip each coin once where the first coin you flip is chosen randomly.
A pn junction with Nd=4x10^16 cm^-3 and Na=3 x 10^15 cm^3 experiences a reverse bias voltage of 1.6V (a) Determine the width of the depletion region and the junction capacitance per unit area
The characteristic equation ofthe system is q(s) = s^5+13s^4+33S^3+32s^2+20s+k^2 where k>0. a). Find the range of values of k for which the system is stable using the Routh-Hurwitz table. b) What value of k makes the system marginally stable
The loop transfer function of a single-loop negative feedback system is: L(s) = Gc(s)G(s) = K(s + 2.5)(s + 3.2) / (s2(s + 1)(s + 10)(s + 30)) This system is called conditionally stable because it is stable only for a range of the gain K
Using nodal analysis solve for the current and supemode used to solve this circuit is located between which two nodes?
A temperature sensor measures from -44 f to 212 F with an output of 0-5 v. If an 8 bit ADC is used, what is the converter output for a temperature of 25 F
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