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Problem 1: An overhead line is supported between two towers. The base of Tower A is 185m above sea level and the tower is 25m high. Tower B base is at 200m above sea level and the tower is 35m high. The distance between the towers is 350m. The conductor weight is 32N/m and the tension at the tower is 35kN. At what height above sea level is the lowest point of the conductor, assuming that xW << To so that the approximation y = x2W/2To may be used.
Problem 2: A 400V symmetrical three phase source with grounded neutral supplies a load comprising three impedances in star formation. The impendence have the following values:
Za = 20Ω
Zb = (12 + j5)Ω
Zc = (3 - j4)Ω
Calculate the total active and reactive power supplied to the load both with and without the load star point grounded.
Problem 3: While on a walk in the countryside, you come across a fallen HV conductor which, due to a protection failure, has not tripped. If the HV system is solidly grounded, explain how the fault current presents a danger to you. Would this danger still be present if the system was arc-suppressed?
Determine the power produced at 2 PM on December 21st from a 10 square meters south facing solar array oriented at 45 degrees from horizontal and located in Atlanta , GA. Use nominal efficiency data for single crystal silicon solar cells.
A six pole,60 Hz synchronous motor is connected to an infinit bus of 15 KV through a transmission line.The synchronous reactance of the motor is 5 ohm ,and the inductive reactive reactance of the transmission line is 2 ohm
Design a Common Emitter amplifier with no bypass capacitor which has an overall gain of AV=-15 when the input voltage has a source impedance (Rsource) of 2k, and the amplifier itself has an Rin= 4k, Rload= 6k,VCC= 15V,VBE= 0.7V
Which type of I/O has the disadvantage that part of the address space must be given up to implement I/Oports
ETEC 6414 Sensors and Wireless Communications, Assignment 1(a) –Sensor Circuit, Develop a Sensor Circuit using commodity components
The prime mover rotates the armature at a speed of 1000 rpm. Determine the no-load voltage, the full-load voltage, and the torque required by the prime mover at full load if the full-load power required by the load is 3 kW
assume that the primary hdlc station in normal response mode has sent six i-frames to a sencondary station. the
Then find the total energy stored in the battery before it is connected to the bulb. Determine the total amount of charge that has pessed through the wires that connect the battery and the bulb.
how do i assemble a digital logic circuit with four inputsabcdand four outputs leds ghij. different sequences using
Is it possible to produce a large size dynamo which can satisfy the electricity needs of a home. Is is possible to use the electricity produced by the dynamo to run a motor which can operate dynamo.
Work out the following problem: If the analog signal to be quantized is a sinusoidal waveform, that is, x(t) = 6 sin (6283t), and if the bipolar quantizer uses 8 bits, determine 1. Number of quantization levels; 2. Step size of the quantizer ; 3. ..
If a digital ohmmeter can be represented as a 100μAcurrent source and a 3 MΩ parallel resistor, what would the output voltage reading be across resistors of 1 kΩ, 10kΩ, 100 kΩ, and 1 MΩ
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