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Two loads are connected in parallel. The voltage across the loads is 8kVrms. The first load is rated at 12 kW with a 0.6 lagging power factor. The second load is rated at 20 kVA with a 0.8 lagging power factor.
a) Find the complex power of the two loads.
b) Find the total complex power of the two loads.
c) Find the total average power by taking the real part of the total complex power.
d) Find the total reactive power by taking the imaginary part of the total complex power.
e) Find the power factor of the total load.
f) You want to put a capacitor in parallel with the loads to correct the total power factor to 1. Assume the capacitor has a capacitance
C. Find the total complex power delivered to the capacitor as a function of C.
Two dc motors are compared. the first one is a 4hp dc motor which draws a current or 0.7A when the field is connected to a 150V source. the second, a 600 hp motor draws a field current of 5A when the field is connected to a 300V dc source.
y''(t) = %u2013 25 y, subject to the two initial conditions y(0) = 0.2 and dy(0)/dt = 0. You will need to use integrating op amps for this design. b)What function will the output voltage y(t) be
A calibrated RTD with alpha = 0. 0041 / degree C, R = 306. 5 ohm at 20 degree C, and PD = 30 mW / degree C will be used to measure a critical reaction temperature. Temperature must be measured between 50 degree and 100 degree C.
Plot the Bode straight-line approximation phase plot (i.e., f(f) vs. f) for the transfer function over the range f = 10 rad/s to f = 100 krad/s using the 4-cycle semi-log graph paper provided. Label all slopes in degrees/dec and all levels in degr..
The Hamming distance between two bit strings of the same length is the number of positions in which the strings have different bit values. For example, the Hamming distance between 1110 and 0101 is 3.
A MOSFET transistor is being used as a converter switch in a 100v system. It is switching at 50 KHz and has a linear transition time of 3us. The full load current is 40 amps. - How much average power is being wasted due to switching
a.) What isthe minimum sampling frequency to avoid aliasing b.)If the sampling frequency of fs=2500 samples/sec is used how many samples must be taken to give a frequency resolution of 10Hz
For the amplifier in Fig. P4.20, the maximum value of VS is 2 V and the op-amp can deliver no more than 100 mA. (a) If +-10 V supplies are used, what is the maximum allowable value of R2 (b) Repeat for +-3 V supplies.
A sphere has a radius d and contains a non-uniform charge density of Pv=Po(1-r/d) C/m^3. (a). What is the enclosed Charge for r d (c). What is the electric field for r
Scenario/Summary: At least two of the following simulations must be attempted by the student. Verify Loop Analysis Method by MultiSim simulation Verify Superpposition Theorem Method by MultiSim simulation
Let x(t) be a signal with x(t)=0 for t
Write a ladder logic program needed to implement each of the following (assume inputs A, B and C are all normally open toggle switches).
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