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can sell them for on a dollarper-square meter basis to make the resulting PV system no more expensive than when using a fixed mount system. Using simple dc, STC ratings along with the following assumptions, how much can the trackers cost $/m2?
1. Trackers see one-third more insolation.
2. Modules cost $4/W and have conversion efficiencies of 10%.
3. Inverters cost $1 per W of module.
4. Installation cost is the same for fixed mount and trackers.
The loading of an industrial facility on a 240 V, 60 Hz system includes: 20 kW resistive load 50 kW induction motors operating at 0.7 power factor lagging 10 kVA capacitive load at 0.7 power factor leading
The following measurement were made on a two-port resistive circuit. With port 1 open, V2 =15V, V1 = 10 V, and I2 = 30 A. With port 1 short-circuited, V2 = 10 V, I2 =4 A, and I1 = -5 A. Find the parameters of the z-parameter two-port.
A 230-V, 50-Hz, two-pole single-phase induction motor is designed to run at 3 percent slip, Find the slip in the opposite direction of rotation. What is the speed of the motor in the normal direction of rotation?
Define the following forms of energy and explain the differences among them: internal energy, work, heat.
many hoped an investment by the current administration in clean energy would improve our electric grids and create
A three-phase, 60 Hz induction motor run at 1720 RPM and the following losses are known: stator copper loss =50 watts, rotor copper loss = 65 watts, combined rotational loss = 85 watts
Assuming the outcomes to be equally likely, find the probability that at least one vehicle turns left. (Would this assumption always be reasonable?)
A 1 kHz sine wave signal with a power level -10 dBm is applied to the input of the amplifier. What is the power at the amplifier output?
A dc series motor of 230 V, 12 hp, 1200 rpm is connected to a 230 V supply. It draws a current of 40 A, and rotates at 1200 rpm. Ra = 0.25 ohms and Rs = 0.1 ohms. Assume magnetic linearity.
Due to its wider bandgap than silicon, a GaAs red light emitting diode (LED) typically has a turn-on voltage of 1.6 V. Assuming the maximum allowable current through the LED is 16.7 mA,
The solution to Power Factor, Two single-phase loads are connected in parallel across a 415 V, 50 Hz supply. One load is rated 130 kW at a power factor of 0.75
You need to write a term paper based on this paper topic "Critical Coupling and Its Control in Optical Waveguide-Ring Resonator System"
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