Find the Smith-McMillan form of 1 (s+ 1)(s+3) 2(s+1)? Hence find its poles and zeros.

Please help me for Question 9

Ten Thyristors has been connected in a string circuit with source voltage 20kV. This string circuit was used in a laboratory. The maximum leakage current (0.76mA), recovery charge difference (5µC), all resistors are (1kN) and all capacitors are (15µF). If the steady state derating factor be (15%). Find the maximum voltage at the steady state and derating factors at transient factors?

Charging Capacitor: For a charging capacitor the Kirchoff's Loop Rule gives R E – IR C ww C In this case the current is entering the positive plate so I = dQ/dt = CdAVc/dt and we get dVc E – RC - Vc = 0 dt The solution to the differential equation is V.(t) = E (1 – e-t/(RC)) (charging capacitor) Notice that V.(0) = 0 and V.(0) = E as we expect for a charging capacitor. 5. You can easily find the time constant if you are given a graph of voltage across a charging capacitor as a function of time. Whent = RC, the voltage across the capacitor is V.(t = RC) = E(1 – e-1) × 0.63 E. Therefore the time constant is just how long it takes for AV(t) to reach 63% of the EMF. The graph shows the voltage across a charging capacitor as a function of time. The resistance of the circuit is 7.5 kN. а. Determine the capacitance of the capacitor. 10 8 60 40 time (ms) 20 80 100 b. What is the current at t = 10 ms? Hint: the easiest way to do this is to use the loop rule. (volts) 4.

This is a signals and system question don't use Laplace and solve it in an engineering method

Assuming an uncharged capacitor in the figure below, use Laplace tranform to find an expression for the voltage across the capacitor after the switch closes at t = 0. Find the time constant, rise time, and settling time for the calculated voltage. [Sections: 4.2.4.3] 5 V t=0 192 0.3 F

Define the signum function sgn(t) and find out its relation with the unit step funcntion u(t).

The voltage across a capacitor in a series RC circuit is given by the equation Vc = 250 (1-e25t), how long after the switch is closed will the capacitor emf be 100 volts? Use the editor to format your answer