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) a three phase delta-connected generator has an internalimpedence of 0.6+j4.8. when the load is removed from the generator the magnitude of the terminal voltage is 34500V. the generator feeds a delta-connected load through a transmission line with an impedence of 0.8+j6.4. the per-phase impedence of the load is2877-j864.a) construct a single-phase equivalent circuit.b) calculate the magnitude of line current.c) calculate the magnitude of the line voltage at the terminals of the load.
Parallel plate capacitor. Plates have area of 2x2cm2 and interplate seperation is 1mm. Insulator inside capacitor has dielectric constant εr=4. Voltage across capactior has 10V amplitude.
A stationary conducting loop with an internal resistance of 0.5 Ohm is placed in a time varying magnetic field. When the loop is closed, a current of 5 A flows through it. What will the current be if the loop is opened to create a small gap
Why is the "drop out" current less than the "pick up " current in a relay and why is this an important and common feature in a relay
The National Electrical Code specifies, among otherthings, values for the minimum allowable cross-sectional area ofconductors for a given voltage and allowable total length ofcircuits depending on the diameter of conductor used.
Steam at 10 MPA, 600 C, enters a well insulated turbine operating at steady state and exits at 0.1 bar and a quality of 92%. The volumetric flow rate at the inlet is 0.36 m^3/s. Assuming the kinetic and potential energy effects to be negligible
The current density inside a long solid cylindrical wire of radius a is in the direction of central axis and varies linearly with the distance from that axis r according to J=J0 r/a.
Design a circuit that takes a sinusoidal input of varying frequency at 1V amplitude and produces an output amplitude of approximately 1V when the frequency is 1 Hz and approximately 0.5V when the frequency is 1,000Hz.
The scale current Is is proportional to the junction area of a diode. A diode D1 with a rating of 3mA is connected in series with another Diode D2 with a junction area 27 times that of D1. 1) What will be the rating of the series combination
The repulsive force one exerts on the other when they are 20cm apart is 1.35 X 10-4 N. after the balls are touched together and then represented once again to 20cm, now the repulsive force is found to be 1.40 X 10-4 N. find the charges q1 and q2.
Determine the capacitance as a function of Ri and Ro. If the dielectric is polystyrene of relative permittivity, εr = 2.6, calculate the capacitance of an isolated conducting sphere of a radius 0.4cm(i.e., Ri=0.4cm and Ro goes to infinity).
Power Systems question - Determine the fault current and voltages on busbars A, B and C
A 150-kVA, 2400/240-V single-phase transformer has the following parameters: R1 = 0.2 ; X1 = 0.45 ;R2 = 0.02; X2 = 0.0045 ;Rc = 1000 ; Xm = 1500. The transformer is connected to a 150kVA load with 0.8 power factor lagging.
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