Lab Report 5 elec

Q1 a. Consider you have to choose b/w the Full-Wave Bridge Rectifier (FWBR) & Center-Tapped Full Wave Rectifier (CT-FWR) in one of your semester Lab projects. (1) Discuss the advantages of FWBR over CT-FWR which will justify, why to select the FWBR.

Question 4) A full wave controlled rectifier with ohmic load given in the figure below feeds a 10 Q load and the effective (rms) value of the source voltage is 110V and its frequency is 60 Hz. Accordingly requested below Find the circuit parameters: a) the peak voltage of the source, b) the peak current of the load, c) Average stress of the load, d) Average current of the load, e) The effective (rms) voltage of the load, f) Effective (rms) current of the load, SCR 1 SCR 2 is R g) Power of the load SCR 3 t* SCR 4

In RL load connected (without free transition diode), single phase, uncontrolled, full wave rectifier (4 diodes), the source voltage is sinusoidal and its effective value is 44Volt, 50 Hz. The ohmic load value connected to the circuit is 10 ohms. Average value of load current calculate. (L>>R) a) 4.16 A b) 3.46 A C) 3.26A d) 4.56 A e) 3.96 A

Question 2) A full-wave rectifier with ohmic load given in the figure below feeds a 75 Q load and the effective (rms) value of the source voltage is 220V, its frequency is 50 Hz. Accordingly, find the following desired circuit parameters: a) the peak voltage of the source, b) the peak current of the load, c) Average stress of the load, d) Average current of the load, e) The effective (rms) voltage of the load, f) Effective (rms) current of the load, g) Power of the load i D2 vs R

Note: Answer All question 1: A) For a single-phase half-wave uncontrolled rectifier with (RL) load, find the rms value of the output voltage (V) and form factor (FF%) with supply voltage: v,(t) = 10 sin(wt). Draw the circuit diagram and sketch the voltages and current waveforms. The conduction angle B = 220°. %3D

Part B Required

Discussion : (1) رم طرة what are the advantăge and disadventage of full-wave bridge rectifier cutcuit- calculate ale practically result have been produced (2) Vpeak theortically of voltage output by using реа (3) üG Compare theortically and practically results. (4) What happens do on Vout, if we reversed the four diodes connects . sKetch the Vout in this case . 6. し 2.5 1.48 1.35

past exam paper that doesn't have answers, so just need help with the working out rather than getting an answer.

Exercise_4 A single-phase controlled rectifier bridge consists of one SCR and three diodes feed R-load: a) Draw the circuit diagram of this bridge rectifier b) Sketch output voltage waveform for a firing angle a for the SCR and hence obtain an expression for the average output voltage under the assumption of constant current. Show the conduction of various components as well. Draw waveforms of current through TI, D1, D2 and D3 assuming constant load current. c) d) For an AC source voltage of 230 V, 50 Hz and firing angle of 45°, find the average output current and power delivered to 1000 resistor. O

None

Please answer all subpart please Asap

A rectifier is an arrangement of diodes connected in a bridge circuit. It provides the same polarity of output voltage for any polarity of the input voltage which is to be transformed.  1. Sketch circuit diagrams for your design of two different types of rectifier.   2. Sketch Voltage vs. Time diagrams for the input and output voltages based on your circuit diagram from ( Q1).  3.  If it is necessary to improve the DC output voltage, which type of component may be used and where should it be included in the circuit? (Show this in your diagram).  4.. Please List key issues when you select diodes for this application.

A rectifier is an arrangement of diodes connected in a bridge circuit. It provides the same polarity of output voltage for any polarity of the input voltage which is to be transformed.  1. Sketch circuit diagrams for your design of two different types of rectifier.   2. Sketch Voltage vs. Time diagrams for the input and output voltages based on your circuit diagram from ( Q1).  3.  If it is necessary to improve the DC output voltage, which type of component may be used and where should it be included in the circuit? (Show this in your diagram).  4.. Please List key issues when you select diodes for this application.   ( topic : electron in solid, Semiconductors, dielectrics )

E.) The voltage on Figure Q1 is connected across a 0.15 2 resistive load. Calculate the power dissipated in this resistor. F.) Sketch the circuit for an ac supply input to a full-wave diode rectifier with a resistive load and no smoothing capacitor. G.) For the circuit in Question (F) calculate the average and rms voltages across the resistive load for an rms ac supply voltage of 115 V assuming no diode voltage drop.

A half-wave rectifier is needed to supply 15 VDC to a load that draws an average current of 250 mA. The peak-to-peak ripple is required to be 0.2 V or less. a) What is the minimum value allowed for the smoothing capacitance? b) What if a full-wave rectifier is needed?

connect the circuit of single phase half- wave controlled rectifier with Ac supply Vs=220 sinwt, 50HZ, R=15, L=20M., B= 3.37 and firing angle 66.4. (1)find the i/p and o/p waveforms of voltage and current and PIV (2) find the output average and rms voltage * theoretically.(3) draw the block diagram

The four diodes used in a bri dge rectifier circuit have forward resistances which may be considered constant at 12 and an infinite reverse resistance. The alternating supply voltage is 240 V r.m. s. and resistive load is 48 Q. Calculate (i) mean load current |(i i) rectifier efficiency and |(i i i)power dissipated in each diode.

Q3-For half-controlled single-phase bridge rectifier circuit with commutating diode. Assuming highly inductive load (load current is level and continuous): 1- Draw the rectifier circuit. 2- Draw the waveforms of vo, io, i, in, iz, is, i4, and io for a=60'. 3- Derive a formula for mean value of output voltage.

Q/ A single-phase controlled rectifier bridge consists of one SCR and three diodes feed R-load:a) Draw the circuit diagram of this bridge rectifier.b) Sketch output voltage waveform for a firing angle α for the SCR and hence obtain an expression for the average output voltage under the assumption of constant current. Show the conduction of various components as well.c) Draw waveforms of current through Tl, D1, D2 and D3 assuming constant load current.d) For an AC source voltage of 230 V, 50 Hz and firing angle of 45°, find the average output current and power delivered to 100Ω resistor.

4 Draw the output voltage and current waveform of the AC-DC half-wave controlled rectifier feeding the R load. Vs=311.(sin2.n.50.t) V, R=100 ohm. a=45° If a C capacitor with a relatively large capacitance value is connected to the output of this circuit, draw the possible output voltage waveform. olmay

the source voltage is 240√2 sin (2 50t) V, R = 10 ohms, and L = 50 mH. Calculate i. the mean and rms values of the load voltage, Vo and Vrms the mean value of the load current, I. ii. iii. the current boundary conditions, namely lolz and I02 iv. the average freewheels diode current, hence average rectifier diode current V. the rms load current, hence load power and supply rms current the supply power factor. vi. iDI io Vs D₂ iD2 D₁ R + Vo

The four diodes used in a bridge rectifier circuit have forward resistances which may be considered constant at 12 and infinite reverse resistance. The alternating supply voltage is 240 V r.m.s. and load resistance is 480 Q. (Ideal Diode Model) Calculate (i) mean load current and (ii) power dissipated in each diode. * Idc= 0.5A, Pd= 0.132 W Idc= 2.45A, Pd= 2.123 W Idc= 0.55A, Pd= 1.123 W Idc= 0.45A, Pd= 0.123 W None of the above

H.W: 1/ derive Vout of single phase half wave uncontrolled rectifier with RE load 2/ derive Vout of single phase full wave uncontrolled rectifier with RL load 3/ derive Idr.m.s of single phase full wave uncontrolled rectifier with RL load

4. Please I want a solution of this question with all details. Many Thanks Note: It is preferable to solve by typing.

a) Find the value of DC voltage of the RL load resistance.b) Find the required rated PIV values for each diodes.c) Find the maximum conduction current of the diodes.d) Plot waveforms of the output current and voltage values.

The output voltage waveform of a single-phase half-wave controlled rectifier supplying RL load is shown in the figure below. Determine Vorms, Voavg, Ioavg, and output current equation as a function of time at the conducting period, if you know that the supply voltage to the rectifier is 220, 60 Hz, and the load resistance and inductance are R=102, L= 10 mH Vout (volt) 0.019444 0.025 0.02731 Time (sec)

please solve parts d and e Q.1 A single-phase diode bridge rectifier is connected to a grid with rms voltage V, 230V at 50   Hz. Assume that the load is highly inductive, so it could be represented by a constant dc current, Id = 10A.   a) Sketch the load voltage and find the average voltage of the load?   b) Sketch the source current (grid. AC side) and find the rms value of the source current?   c) Determine the fundamental source current and the first three harmonics? Assume Ish_rms ³ 0.91a/h for odd hand 0 otherwise?   d) Determine the input power (active)?   e) Determine the power factor?