O With neat sketch explain the dynamic turn ON characteristics of the device which is used in high power applications.
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- (i) Draw the circuit diagram of single phase fully controlled bridge rectifier with RL load and write the current path for negative half cycle operation. (ii) Plot the output voltage and current waveforms for firing pulse is 60° .i) Draw the circuit diagram of single phase fully controlled bridge rectifier with RL load and write the current path for positive half cycle operation. (ii) Plot the output voltage and current waveforms for firing pulse is 30Single phase half sinusoidal wave controlled rectifier with (? = 30?) pure resistive load (Vs =220 v. f=60 Hz, R=10Ω) Determine the average output voltage Vo Determine the r.m.s value of the output voltage
- In a full-wave rectifier _______________. a) the output is apure DC voltage. b) only the negative half of the input cycle is used. c) only the positive half of the input used. d) the complee input cycle is used.-,- three phase half wave controlled rectifier with resistive load (R=10 2) if the input supply voltage is (Vrms = 380 Volt and f= 50 Hz) and the trigger angle (a = 60°), then determine the followings:- a) Draw the rectifier circuit. b) Draw to scale the input voltage, the load voltage and the current waveforins. c) Calculate the average value of the output voltage.(i) A single phase half wave controlled rectifier is operated from a 140 V, 50 Hz supply and the load resistance is 5 Q. If the average output voltage is 12.5 % of the maximum possible average output voltage calculate (a) firing Angle (b) average output current (c) draw the output voltage waveform (ii) With neat sketch explain the dynamic turn ON characteristics of the device which is used in high power applications. firing Angle average output current
- 4)Mark the correct statements: a) The frequency at the output of a half-wave rectifier circuit is 30 Hzb) The frequency at the output of a full-wave rectifier circuit is 60 Hz.c) To calculate the average voltage (DC) at the output of a full wave rectifier we use the formula: Ucc = 0.636 * Up.d) When using a bridged full wave rectifier, we know that the loss at the depletion barrier will be 2 * 0.7 Volts.e) None of the statements is correct.1.What is the main difference between Center tapped Full wave Rectifier and Bridge Rectifier? 2.How could you reduce the Ripple factor? 3.Explain the positive clipping operation with circuit diagram and Waveforms.FULL WAVE RECTIFIER CIRCUIT: Explain what happens to the “output” LED (i.e. the LED marked “vo”) as the frequency is increased from low frequency (1 Hz) to higher frequencies (closer to the main supply frequency of 50 Hz)
- draw the circuit of a voltage supply comprised of full wave bridge rectifier, capacitor and IC regulator to provide an output of -12V and explain the function of each part.A certain unfiltered center-tapped full wave rectifier is powered by a 120 Vrms, 60 Hz power system. The peak value of the output voltage under loaded conditions is 30 V. The capacitance value is 2000 uF, load current of 2A, determine the following: 4. DC load voltage Ripple factor C.In half wave rectifier circuit (Vrms = Veff): 1) What is the average value (V0) of the output voltage? 2) Draw the waveform of the output signal over one period.