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4. A 3-phase full-wave converter drive is feeding power to a 220 V, 20 A, 1000...
3. A 3-phase full-wave converter drive is feeding power to a 220 V, 20 A, 1500...
3. A 3-phase full-wave converter drive is feeding power to a 220 V, 20 A, 1500 rpm separately excited DC motor. The ac input to the converters are 415 V, 3-phase, 50 Hz, Y-connected supply system, connected through a step-down transformer so that the armature terminal voltage equals to rated voltage when converter firing angle is 0°. The resistance of the armature winding is 0.5 12. Determine the firing angle, i. when the motor is running at 1000 rpm and...
The speed of a separately excited de motor is controlled by a one-phase full-wave converter. The field circuit is also controlled by a full-wave converter and the field current is set to its maximum...
The speed of a separately excited de motor is controlled by a one-phase full-wave converter. The field circuit is also controlled by a full-wave converter and the field current is set to its maximum value. The AC supply voltage to the armature and field converters is one-phase, 400V, 50Hz. The armature resistance Ra 0.232, the field circuit resistance Rf- 1812, and the motor voltage constant is Kv 1.3V/A - rad/s. The armature current corresponding to the load demand Ia 42A...
i. The speed of a separately excited dc motor is controlled by a one-phase full-wave converter. The field circuit is also controlled by a full-wave converter, see V supply) Vs pk-150V Ra-0.310 L Rf 1...
i. The speed of a separately excited dc motor is controlled by a one-phase full-wave converter. The field circuit is also controlled by a full-wave converter, see V supply) Vs pk-150V Ra-0.310 L Rf 152O E-63V α. 1-35A Figure 3 The AC supply voltage to the armature and field converters is one-phase, 150Vpeak, 50Hz. The armature resistance Ra-0.31Ω, the field circuit resistance Rf-152Ω, and the motor voltage constant is Kv-1.3V/A. The armature current corresponding to the load demand la-35A The...
A separately excited dc motor is fed by a 3-phase, 6-pulse converter shown in figure Q5. The 3-phase line is a 500 V, 6...
A separately excited dc motor is fed by a 3-phase, 6-pulse converter shown in figure Q5. The 3-phase line is a 500 V, 60 Hz supply. At rated condition, the dc motor armature current is 15 A. The dc motor armature resistance is 0.15 Ω and the rated speed is 1700 rpm. If the delay angle of the converter is 36 °, calculate the following: 3-phase (2 0 line Figure Q5. (2 marks) Rated voltage of the motor a. b....
6. The speed of a 150 HP, 650 V, 1750 rpm, separately excited DC motor is...
6. The speed of a 150 HP, 650 V, 1750 rpm, separately excited DC motor is controlled by a 3- phase full converter. The converter is operating from 3-phase, 460 V, 50 Hz supply. The rated armature current of the motor is 170 A. The motor parameters are Ra = 0.099 2, La = 0.73 mH, and K.D=0.33 V/rpm. Neglect the losses in converter system. Determine i. No-load speed at firing angles a = 0º and a = 30°. Assume...
solve it now please A 220 V, 1000 rpm, separately excited dc motor is fed from...
solve it now
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A 220 V, 1000 rpm, separately excited dc motor is fed from a three-phase controlled three-phase ac-dc converter through 220 V (line value-rms value), 50 Hz ac-source. It is required to apply 220 V (dc-value) across the motor terminals. What is the firing angle if the motor speed is 1000 rpm and takes 10 A ripple-free current. The armature resistance is 1 ohm. The field circuit with 198 ohms is fed from a fully controlled single-phase...
As shown in the following figure, the speed of a 12 kW, 220 V, 1000 rpm...
As shown in the following figure, the speed of a 12 kW, 220 V, 1000 rpm dc series motor is controlled using a single-phase full-wave half-controlled bridge converter (similar to that of Figure 3.48, page 102 of the textbook). The combined armature and field resistance is 0.2 S2. The supply voltage is 250 V (rms), 60 Hz. Assuming the motor is operating in the linear region of its magnetization curve (that is flux versus mmf curve) with constant KC 0.03...
A 100 kW, 500 V, 2000 r.p.m separately excited d.c. motor is energized from a 400...
A 100 kW, 500 V, 2000 r.p.m separately excited d.c. motor is energized from a 400 V, 50 Hz, three phase source through a three phase full converter. The voltage drop in conducting thyristors is 2 V. The d.c. motor armature resistance is 0.1 Ω, motor constant is 1.6 V-s/rad, rated armature current is 210 A and no-load armature current is 10% of rated current. Determine the following: i) Motor terminal voltage at a firing angle of 30 ii) No...
8) A three-phase thyristor controlled converter is used to drive a motor system. What is the...
8) A three-phase thyristor controlled converter is used to drive a motor system. What is the required trigger delay angle a if the required average output DC voltage is 0.5Vm [2 points) a) 90 degrees. b) 45 degrees. c) 58.43 degrees. d) O degrees. 9) A 3-point motor starter arrangement is shown in the diagram below (1 point). Starting Resistence No volt col OFF Soft ron piece Starter handie Spring Over load release Lever Trangular iron Three Point Starter As...
Open Book Exam A 220 V, 1000 V dc-sourc rpm, separately dc motor is fed from a dc-dc converter th...
Open Book Exam A 220 V, 1000 V dc-sourc rpm, separately dc motor is fed from a dc-dc converter through 550 e with duty cycle 40 %. The motor speed is 1000 rpm when takes ripple free and armature resistance is 1 Ω. The motor constant is 6/π V/A-rad/s. The field circuit with 198 Ω is fed from a controlled single-phase rectifier and set to the maximum possible value. The ac source for field circuit is 220 V, 50 Hz....
3. A 3-phase full-wave converter drive is feeding power to a 220 V, 20 A, 1500 rpm separately excited DC motor. The ac input to the converters are 415 V, 3-phase, 50 Hz, Y-connected supply system, connected through a step-down transformer so that the armature terminal voltage equals to rated voltage when converter firing angle is 0°. The resistance of the armature winding is 0.5 12. Determine the firing angle, i. when the motor is running at 1000 rpm and...
The speed of a separately excited de motor is controlled by a one-phase full-wave converter. The field circuit is also controlled by a full-wave converter and the field current is set to its maximum value. The AC supply voltage to the armature and field converters is one-phase, 400V, 50Hz. The armature resistance Ra 0.232, the field circuit resistance Rf- 1812, and the motor voltage constant is Kv 1.3V/A - rad/s. The armature current corresponding to the load demand Ia 42A...
i. The speed of a separately excited dc motor is controlled by a one-phase full-wave converter. The field circuit is also controlled by a full-wave converter, see V supply) Vs pk-150V Ra-0.310 L Rf 152O E-63V α. 1-35A Figure 3 The AC supply voltage to the armature and field converters is one-phase, 150Vpeak, 50Hz. The armature resistance Ra-0.31Ω, the field circuit resistance Rf-152Ω, and the motor voltage constant is Kv-1.3V/A. The armature current corresponding to the load demand la-35A The...
A separately excited dc motor is fed by a 3-phase, 6-pulse converter shown in figure Q5. The 3-phase line is a 500 V, 60 Hz supply. At rated condition, the dc motor armature current is 15 A. The dc motor armature resistance is 0.15 Ω and the rated speed is 1700 rpm. If the delay angle of the converter is 36 °, calculate the following: 3-phase (2 0 line Figure Q5. (2 marks) Rated voltage of the motor a. b....
6. The speed of a 150 HP, 650 V, 1750 rpm, separately excited DC motor is controlled by a 3- phase full converter. The converter is operating from 3-phase, 460 V, 50 Hz supply. The rated armature current of the motor is 170 A. The motor parameters are Ra = 0.099 2, La = 0.73 mH, and K.D=0.33 V/rpm. Neglect the losses in converter system. Determine i. No-load speed at firing angles a = 0º and a = 30°. Assume...
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please
A 220 V, 1000 rpm, separately excited dc motor is fed from a three-phase controlled three-phase ac-dc converter through 220 V (line value-rms value), 50 Hz ac-source. It is required to apply 220 V (dc-value) across the motor terminals. What is the firing angle if the motor speed is 1000 rpm and takes 10 A ripple-free current. The armature resistance is 1 ohm. The field circuit with 198 ohms is fed from a fully controlled single-phase...
As shown in the following figure, the speed of a 12 kW, 220 V, 1000 rpm dc series motor is controlled using a single-phase full-wave half-controlled bridge converter (similar to that of Figure 3.48, page 102 of the textbook). The combined armature and field resistance is 0.2 S2. The supply voltage is 250 V (rms), 60 Hz. Assuming the motor is operating in the linear region of its magnetization curve (that is flux versus mmf curve) with constant KC 0.03...
8) A three-phase thyristor controlled converter is used to drive a motor system. What is the required trigger delay angle a if the required average output DC voltage is 0.5Vm [2 points) a) 90 degrees. b) 45 degrees. c) 58.43 degrees. d) O degrees. 9) A 3-point motor starter arrangement is shown in the diagram below (1 point). Starting Resistence No volt col OFF Soft ron piece Starter handie Spring Over load release Lever Trangular iron Three Point Starter As...
Open Book Exam A 220 V, 1000 V dc-sourc rpm, separately dc motor is fed from a dc-dc converter through 550 e with duty cycle 40 %. The motor speed is 1000 rpm when takes ripple free and armature resistance is 1 Ω. The motor constant is 6/π V/A-rad/s. The field circuit with 198 Ω is fed from a controlled single-phase rectifier and set to the maximum possible value. The ac source for field circuit is 220 V, 50 Hz....
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