design a controlled three phase rectifier
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design a controlled three phase rectifier
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- design a controlled single phase rectifiera) Draw the 3-phase half-wave uncontrolled rectifier circuit for resistive load.b) Briefly explain the purpose of use.c) Draw the sinusoidal input voltages and the output voltage on the load.A single-phase half wave uncontrolled rectifier circuit is operating with a purely inductive load and a source voltage of 100 sin (277t) V. An ideal PMMC ammeter is connected in series with the inductive load reads 20 A. Calculate the distortion factor of the rectifier. Answer Choices: a. 0.866 b. 0.707 c. 0.577 d. 0.816
- Q-2: A singie phase fiull-wave controlled rectifier is connected to RL load (R-15 ohm and 1.-20mH ). Vs- 240 and 50 Hz supply When the firing angle is a=55. Deternine: A} the average voltage and average current in the load. B) The form factor and ripple factor. C) Peak inverse voltage of the thyristor.For the half wave rectifier shown, determine input power factor & ripple factor for a firing angle = 90° . Vo R UsDerivation of three-phase semi-controlled rectifier
- -,- 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.A 3-phase, half-wave thyristor rectifier with an inductive load is supplied by a three-phase source of phase voltage: van= 120sinwt V. The thyristor firing angle is 40 degrees. The maximum average output voltage equals:design a uncontrolled and controlled single phase rectifiers
- 92) For three- phase half-wave Controlled rectifier Shown in the figure: I- Derive. a formula for mean load Voltage. 2- Draw the wave forms of vo, Li,i, o and voltage across thyristor1 (r.) assuming highly inductive loud and d = 120 Vo92) For three - phase half-wave Controlleed rectifier Shown in he figure: 1. Derive a fomu la for mean load Voltage. 2. praw the wave form of vo, i,,i, iy and voltage across thyristor 1 (r.) assuming highly inductive load and d = 120LR phase shift control is used in a controlled rectifier. If the value of the inductor is 100 mH, find the minimum and maximum value of the control resistor if the ratio of Idc/Idcmax is to be 0.1 to 0.9.