Transformer and Auto Transformer

Q1: What do I need to know to solve Ideal Transformer, Transformer, and autotransformer problems?

Q2: What does it mean referred to primary or secondary side?

Q3: How to draw phasor diagram ?

Q3/ Draw the out voltage and current waveforms of a single-phase cycloconverter connected to a purely resistive load. The following information could be useful: Load Supply Voltage, Supply Frequency Output Frequency Firing Angle At 202 230Vrms, 50 Hz 12.5 1300 sec Your drawing should contain all the detaiks including Amplitudes, Time, Degrees and Axis Names,

For a signal x(n)=sin(2*pi*n/5) defined for n=0to7, evaluate the Fast Fourier Transform using signal flow graph. (Use decimation in Time Algorithm).                                               

From 1+K*L(s)=0

L(s) = 1/((s+1)(s+2)(s+10))

Solve for gain K where the root locus passes through the damping ratio. z=0.176. With out Matlab. Please show all work.

Note: I know we need to use some trig and the magnitude criteria but u cannot seem to figure it out. Thank you!

True and False

1. The instruction register stores machine code for the instruction being executed.

2. Before a digital computer may execute an instruction, the instruction code must be fetched from memory.

3. A pointer is a binary code for data in the arithmetic logic unit.

4. Von Neumann computer architecture stores data and instruction codes in the same memory.

5. Complex instruction set computers have instructions with greater speed than those in reduced instruction set computers.

Indicate what considerations should be taken into account for a good design of an audio amplifier.

Sketch and label a clamping circuit. Use a 2.5 V rms source and an ideal diode. Explain how it works. Show the voltage wave forms in a diagram, giving numeric values where appropriate.

history of induction type instruments, review of induction type instruments, current information about induction type instruments

A two 3- phase transmission lines A & B have the following data: VS = VR = 33 KV/ph , ZA = 2 + j 5 Ω/ph & ZB = 1 + j 6 Ω/ph. Each one delivering 10 MVA at unity p.f. Find:

(a)Voltage regulation (b) efficiency and (c) load angle of each T.L.

Matlab program

Create a function, when given a two-digit integer as input, prints the equivalent English phrase. For example, given 39, output thirty-nine. Limit the input numbers to be in the range 21 to 39.

What is the dc gain of a filter with difference equation ?[?] = ?[?] + ?[? − 1]? Show your work.

A DT system has frequency response ?(? ??) = 2 (1 − 0.5? −?? ⁄ ). Calculate the magnitude of the frequency response at an input frequency of 2.2 radians.

A DT system has a difference equation ?[?] = 2?[? − 1] + ?[?] − 0.5?[? − 2]. What are the a and b coefficient arrays in the MATLAB filter function?

A periodic DT signal ?[?] = {2, −1, −2, k} (one period shown) has an average power of 9⁄2. What is the numeric value of ??

Used to determine the stability of a system by examining the characteristic equation of the transfer function. States that the number of roots of the characteristic equation with positive real parts is equal to the number of changes of sign of the coefficients in the first column of the array.

• A. Routh-Hurwitz Criterion

• B. Polar plot

• C. Logarithmic plot

• D. Bode plot