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Please dont copy paste from other user Question. Need to learn step by step solution. 5. A three-phase half-wave converter is operated from a three-phase 400 V and 50 Hz supply and the load resistanc...
4. A 3-phase full-wave converter drive is feeding power to a 220 V, 20 A, 1000...
4. A 3-phase full-wave converter drive is feeding power to a 220 V, 20 A, 1000 rpm separately excited dc motor. The ac input to the converters are 415 V, 3-phase, 50 Hz, Y-connected supply system. The field is also controlled by a 3-phase full converter and is set to the maximum possible value. The armature resistance is 0.5 Q and the field resistance is 250 12. The motor voltage constant is 1.2 V/A rad/s. Assume continuous conduction and ripple...
Please dont copy paste from other user Question. Need to learn step by step solution. Better...
Please dont copy paste from other user Question. Need to learn step by step solution. Better Shows some graph for this question. Q1- A single-phase half-bridge inverter is used to power a purely inductive load of 100mH. The inverter is supplied from a de source of 300V, and is operated at a frequency of 50Hz using square-wave modulation. a) Determine the values of the fundamental, 3rd, 5th and 7th harmonic load current components. b) Determine the load current THD value.
(9) (10) A three-phase, half-wave, fully-controlled converter is connected to a 415 V (line) supply as...
(9) (10) A three-phase, half-wave, fully-controlled converter is connected to a 415 V (line) supply as shown below. The load current is constant at 30 A and is independent of firing angle. (i) Sketch waveforms of supply voltage (V1), load voltage (VL), load current(iL), iT1, iT2, iT3 and voltage across thyristor T1 (VT1) (ii) (ii) If the thyristors have a forward voltage drop of 1.2 V, find (1) the mean load voltage at firing angles of 0° and 45°, (2)...
1. A 50 Hz 3-phase Have wave uncontrolled rectifier circuit is used to supply a resistive load of...
1. A 50 Hz 3-phase Have wave uncontrolled rectifier circuit is used to supply a resistive load of 100 ohms. The supply is unbalanced and defined as v.-127.28 cos (ot) V 127.28 sin (ot-0.5236) V n63.64 cos (ot+2.0944) V a) Draw the circuit diagram. b) Draw the three phase voltages wave forms. c) Use phasor diagram or any other method to obtain the line voltages v and d) Draw the line voltages v and v wave forms. e) Derive an...
44! 15 marks] For a 380 V, 50 Hz, three-phase Half-Wave Controlled rectifier with highly inductive...
44! 15 marks] For a 380 V, 50 Hz, three-phase Half-Wave Controlled rectifier with highly inductive load. Calculate average voltage for firing angle 90°. Is the current continuous or discontinuous and why? what w te pall level wllige
esign three phase AC/DC converter with the following parameters - Vin (Line-Line) = 400 rms - Frequency = 50 Hz - Vout = 0 to 450V Simulate the converter under the following conditions 1- The load is...
esign three phase AC/DC converter with the following parameters - Vin (Line-Line) = 400 rms - Frequency = 50 Hz - Vout = 0 to 450V Simulate the converter under the following conditions 1- The load is Resistive, with 20Ω. Study the operation of the converter in term of: o Output voltage o Output current o Thyristor voltage and current o Relation of output voltage with firing angle alpha o Input and output harmonic spectrum.
A 400 v, 50 Hz, three phase alternator, rated at 75 kVA, is star connected and...
A 400 v, 50 Hz, three phase alternator, rated at 75 kVA, is star connected and driven at 1000 r/min. The windings of the alternator have a resistance, per phase, of 0.03 Ω and synchronous reactance, at 50 Hz per phase, of j0.325 Ω. The stator of the alternator has 108 slots, with 8 conductors, per slots, in a double layer. The maximum pole flux is 8.772 x 10-3 Wb. To improve the wave form only 80% of the pole...
An AC-AC converter with a thyristor connected to a 250 V (phase-neutral) and 50 Hz source...
An AC-AC converter with a thyristor connected to a 250 V (phase-neutral) and 50 Hz source is Y-connected. It feeds a 3-phase resistor. Circuit losses are neglected. Load resistance is 10 Ω / phase, α trigger angle is ?/6rad. Accordingly a) Calculate the effective values of the output voltage, output current and output power of the converter. b) Find the total reactive and total harmonic powers for the α angle value you obtained. c) Calculate the phase shift angle, phase...
A single-phase half-wave ac voltage controller feeds a load of R = 40 Ω with (maximum...
A single-phase half-wave ac voltage controller feeds a load of R = 40 Ω with (maximum voltage of 230V), 50 Hz. Firing angle of thyristor is 60°. Determine (a) rms value of output voltage (b) power delivered to load and input pf and (c) average input current. (a) The rms value of load voltage. And repeat the above for A single phase Full-wave ac voltage controller?
A three phase full-wave AC controller in Figure Q5(a) is supplied to a system with Y...
A three phase full-wave AC controller in Figure Q5(a) is supplied to a system with Y connected load system. The load consists of R = 100 and L = 0.01 mH which are connected in series between them. The line-to-line input voltage is given as 208 V with 50 Hz and the delay angle is given as a = 271/3. (1) Calculate the rms value of output phase voltage. (3 marks) (ii) Determine the power factor at output based on...
4. A 3-phase full-wave converter drive is feeding power to a 220 V, 20 A, 1000 rpm separately excited dc motor. The ac input to the converters are 415 V, 3-phase, 50 Hz, Y-connected supply system. The field is also controlled by a 3-phase full converter and is set to the maximum possible value. The armature resistance is 0.5 Q and the field resistance is 250 12. The motor voltage constant is 1.2 V/A rad/s. Assume continuous conduction and ripple...
Please dont copy paste from other user Question. Need to learn step by step solution. Better Shows some graph for this question. Q1- A single-phase half-bridge inverter is used to power a purely inductive load of 100mH. The inverter is supplied from a de source of 300V, and is operated at a frequency of 50Hz using square-wave modulation. a) Determine the values of the fundamental, 3rd, 5th and 7th harmonic load current components. b) Determine the load current THD value.
1. A 50 Hz 3-phase Have wave uncontrolled rectifier circuit is used to supply a resistive load of 100 ohms. The supply is unbalanced and defined as v.-127.28 cos (ot) V 127.28 sin (ot-0.5236) V n63.64 cos (ot+2.0944) V a) Draw the circuit diagram. b) Draw the three phase voltages wave forms. c) Use phasor diagram or any other method to obtain the line voltages v and d) Draw the line voltages v and v wave forms. e) Derive an...
44! 15 marks] For a 380 V, 50 Hz, three-phase Half-Wave Controlled rectifier with highly inductive load. Calculate average voltage for firing angle 90°. Is the current continuous or discontinuous and why? what w te pall level wllige
A three phase full-wave AC controller in Figure Q5(a) is supplied to a system with Y connected load system. The load consists of R = 100 and L = 0.01 mH which are connected in series between them. The line-to-line input voltage is given as 208 V with 50 Hz and the delay angle is given as a = 271/3. (1) Calculate the rms value of output phase voltage. (3 marks) (ii) Determine the power factor at output based on...
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