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The parameters for a 250-kVA, 2400-480V, single phase transformer operating at a rated voltage, rated kVA, and 0.82 power factor lagging, are Xeq,hs=1.08Ω and Req,hs=0.123Ω. The transformer is operating in the step-down mode. Sketch the appropriate equivalent circuit and determine (a) the equivalent low-side parameters; (b)the no-load voltage; (c)the voltage regulation at 0.82 power-factor lagging.
Define a pointer to a variable as a char data type set the pointer equal to Hello World Print the entire contents of the variable Print the 4th and 6th positions of the variable. Sample output: Hello World
Two points are given in Cartesian coordinates as P1 (0,0,1) and P2 (2,1,,3). vector A connects p1 (tail) to p2 [head). Find the unit vector in the direction of A in spherical and cylindrical coordinates.
A parallel-plate transmission line is comprised of two perfect conductors of width w lying in the planes x = 0 and x = d. At z =z1 and the time t, the power flow is 8 kw and the electric and magnetic fields are 5000 V/m and 0.5T.
create a graph showing the relationship of an ideal gas between pressure (P) and temperature (T). The ideal gas law relates the pressure, volume, amount, and temperature of an ideal gas using the relationship: PV = nRT.
A baseband channel has a bandwidth of 10kHz. A) How do i determine the maximum symbol rate (in kbaud) if the channel is noise free B) How do I determine the channel capacity (in kibits/s) for binary encoding if the channel is noise free
The number of students arriving at Mary's office hours is modeled as a Poisson random variable with an average of 1 student every 15 minutes. (a) What is the probability that no students arrive during office hours (3-5 PM)
1) Compute the average power dissipated through the resistor 2) compute RMS voltage across the resistor 3) compute V RMS^2/R. 4) prove that P avr=V RMS62/R for any periodic voltage waveform
Calculate the armature current, total losses in the machine, and the I^2R losses in the armature. Help would be greatly appreciated as my calculations for Armature Current Ia is in my mind way too high, 480A. Then calculate the losses in the armat..
In a motor control system, one master stop pushbutton (Stop) is available for stopping the operation at any time. If the temperature switch (TSW) is closed, pressing the red pushbutton (RedPB) will turn on both motors M1 and M2.
Understanding low, high and band pass filters, A signal in the IF section of an FM radio receiver occupies the frequency band 10.61 MHz to 10.79 MHz. Compute the bandwidth of this signal.
A three phase load draws 100kW at a poer factor of 0.7 laggaing from a 220V line to line. In parallel with this load is a three phase capacitor bank which draws 60kVAR. Find the total line current and the resultant power factor.
A shunt motor with an armature resistance of 0.15ohms is running 1200rpm for a load which requires an armature current of 50A from 230V source. At no load, the armature current of 5A.
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