Question

A single phase AC induction motor need to be controlled by varying its input frequency. The...

A single phase AC induction motor need to be controlled by varying its input frequency. The supply frequency is a single phase with 50 Hz and the input frequency to the motor is controlled to be 12.5 Hz. Design a Full-wave rectifier (Cycloconverter), show the conversion of 5 cycles, and explain its operation. And show how the output voltage of Cycloconverters can be controlled to get a waveform shape near sine wave.

Engineering   Electrical-Engineering   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

From first image consider the circuit and general operation of convrter....

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
If the available power source is a single-phase, 60 Hz, ac supply and a separately excited...
If the available power source is a single-phase, 60 Hz, ac supply and a separately excited DC motor is to be fed from this source, configure possible drive circuits for: i) One-Quadrant Operation, ii) Two- Quadrant Operation iii) Four- Quadrant Operation Hints: For one-quadrant operation, the motor control circuit is a half-wave controlled rectifier or a semicontrolled converter and the driver for the separately excited is a semi-controlled converter with a freewheeling diode using the ac supply source. For two-quadrant...
The effect of single- and three-phase diode rectifiers on harmonics, distortion and ripple. Variable-frequency converters for...
The effect of single- and three-phase diode rectifiers on harmonics, distortion and ripple. Variable-frequency converters for induction motor drives. The impacts of non-sinusoidal excitation on induction motor. The principles of three-phase sine-triangle PWM-modulator. Describe the properties of such a modulator in its linear, overmodulation and square wave areas. Which harmonics are presents in each case? Benefits of resonant converters. Describe one resonant converter.
Design an Op-Amp phase shift circuit that must accept a sine waveform voltage at its input...
Design an Op-Amp phase shift circuit that must accept a sine waveform voltage at its input ??? (?) = 10 sin (120??) mV, and must provide at its output, an output voltage of 1.2 Vrms and with an offset of −120 ° with respect to the input signal.
A three phase Wye-connected 460 v, 4 poles, 60 Hz wound rotor induction motor has the...
A three phase Wye-connected 460 v, 4 poles, 60 Hz wound rotor induction motor has the following parameters: R1=0.3, R2=0.15, X1=0.5, X2=0.2, Xm=14 The total friction, windage, and core loss is constant at 400 w. The motor is working at its rated voltage and drives its load at 1764 rpm. a)Calculate the input current and the input power. b)Calculate the output mechanical power and torque and motor efficiency. c)Calculate the starting current of this motor and compare it with its...
A three-phase, 60-Hz, 4-pole, 440-V (line-line, rms) induction-motor drive has a full-load (rated) speed of 1746...
A three-phase, 60-Hz, 4-pole, 440-V (line-line, rms) induction-motor drive has a full-load (rated) speed of 1746 rpm. The rated torque is 40 Nm. Keeping the air gap flux-density peak constant at its rated value. The frequency and voltage of the motor from above are adjusted such that the fan speed is changed to 600 rpm. The motor should be operating at 3% slip and rated Bm. What is the motor efficiency?
A three-phase, 280 V, 60 Hz, 20 hp, 1710 r/m. Y-connected induction motor has the following...
A three-phase, 280 V, 60 Hz, 20 hp, 1710 r/m. Y-connected induction motor has the following impedances in ohms per phase referred to the stator circuit: R1=0.12 Ω.                Rˈ2=0.1 Ω X1=Xˈ2=0.25 Ω        Xm=10 Ω A total rotational loss are 400 W. The core loss is lumped in with the rotational losses. For a slip of 0.05 at the rated voltage and rated frequency. Find: a) The numbers of poles of the motor. b) The stator current. c) the power factor...
A 210 V, 1200 rpm, 10 A separately excited motor is controlled by 1- phase fully...
A 210 V, 1200 rpm, 10 A separately excited motor is controlled by 1- phase fully controlled converter with an ac source voltage of 230 V, 50 Hz. Assume that sufficient inductance is present in the armature circuit to make to motor current continuous and ripple free for any torque greater than 25% of rated torque, and Ra = 1.5 Ω. i. What should be the value of the firing angle for the rated torque at motoring +ve (1200rpm) ii....
Q4) A three-phase, 104 kW, 3300 V, 50 Hz, Y-connected induction motor delivers full output power...
Q4) A three-phase, 104 kW, 3300 V, 50 Hz, Y-connected induction motor delivers full output power to a load connected to its shaft. The full-load slip is 0.02 and full-load power factor is 0.85 lagging. If the stator copper loss is 2400 W, the stator core loss is 3500 W, and the friction and windage loss is 1200 W. Calculate: (i) The developed mechanical power. (ii) The air gap power. (iii) The rotor copper loss. (iv) The efficiency of the...
A major manufacturer of home and office air conditioners uses a ½ hp, single-phase induction motor...
A major manufacturer of home and office air conditioners uses a ½ hp, single-phase induction motor that has an efficiency of 72% at its average power output level. Several large volume customers indicated that they would be willing to pay a larger initial investment in air conditioners if they could recover this increased investment during the warranty period, which is 2 years. The typical office air conditioner in which they are interested runs approximately 8 hours per day during 260...
The following test data apply to a 7.5-hp, three-phase, 220-V, 19-A,60-Hz, four-pole induction motor with a...
The following test data apply to a 7.5-hp, three-phase, 220-V, 19-A,60-Hz, four-pole induction motor with a double-squirrel-cage rotor of design class C (high-starting-torque, low-starting current type): Test 1: No-load test at 60 Hz; Applied voltage V = 219 V line-to-line; Average phase current I1,nl = 5.70 A; Power Pnl =380 W; Test 2: Blocked-rotor test at 15 Hz; Applied voltage V = 26.5 V line-to-line; Average phase current ll,bl = 18.57 A; Power Pbl = 675 W; Test 3: Average...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT