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A factory has an electrical load of 1600kW at a lagging power factor of 0.8 . An additional variable power factor load is to be added to the factory. The new load will add 320kW to the factory. The power factor of the variable factor load is to be adjusted so that the overall power factor of the factory is 0.96 lagging.A) What is the reactive power associated with the added load?B) Does the load absorb or deliver magneto sting bars (reactive power is also sometime referred to as magnetising vars. Inductors absord magnestising vars and capacitors deliver magnetising vars)C) What is the power factor of the adjustable power factor load?D) If the voltage at the input is 2400 V(rms), what is the magnitude of the current into the factory before the adjustable load?E) What is the magnitude of the current with the adjustable load?
Assume that h is a random variable with PDF. Pn(h)=0.1*d(h-1)+0.9d(h-3). n is a zero mean white gaussian noise with variance 0.5. Assume that the channel state info is available at the reciever for each of the three branches.
A 3-D cubic unit cell contains four atoms whose centers are positional halfway up along each of the vertical cell edges and one atom each centered in the middle of the top and bottom faces.
Consider the collision between two hockey pucks in the figure below. They do not stick together. Their speeds before the collision are v1i = 26 m/s and v2i = 11 m/s. It is found that after the collision one of the pucks is moving along x with a sp..
A 1 lb weight is suspended from a 0.005 in diameter wire. The unstrained resistance of the wire, R0, is 270 ohm, and its unstrained length is L0=36 in. The wire's gauge factor is 3.2. a. Calculate the psi tensile stress on the loaded wire.
Determine the transconductance in the saturation region for the n-channel MOSFET using the following paramters at room temperature.1. p type Si density = 2.8*10^15 /cm^3 2. Si intrinsic carrier concentration = 8.6*10^9 /cm^3 3. Metal-semiconductor ..
A delta-wye connected three-phase transformer is rated at 38 MVA with primary and secondary line voltage ratings of 345 and 125 kV, respectively. The transformer p.u. reactance is 10%, the p.u. no-load current is 0.1.
Assuming a 24 dB link margin is needed to account for fading and loss due to heavy rainfall on the longest link, while 12 dB link margin is sufficient for the shorter link, what transmitter powers are needed at each of the four transmitters
A sled is traveling at 4 m/s along a horizontal stretch of snow. The coefficient of kinetic friction is 0.05 . How far does the sled go before stopping ?
Looking at feedback and some Opamp problems, If the unity gain frequency is 5 MHz and the midband open-loop voltage gain is 200,000, what is the cutoff frequency?
g. What happened to all the power delivered to the resistors h. If the resistors are available with wattage ratings of 1/2 W, 1 W, 2 W, and 5 W, what minimum wattage rating can be used for each resistor
If you have 16 kibibytes of memory plus a few (less than 10) memory mapped devices (assume that each device uses 16 bytes of address space), what should the address size be
A hybrid communication system uses both AMSC and FM. The information signal a(t) is first AMSC modulated with the subcarrier frequency 1000 Hz. Then it passes through an FM modulator with the carrier frequency 10Mhz.
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