Peak to peak ripple

Q: From the figure shown below, find the duty cycle, trigger voltage level, threshold voltage level,…

A:

Q: A generator is delivering power to infinite bus during post fault condition is 1.10 p.u at a power…

A: The solution can be achieved as follows.

Q: The three phase 50V full wave AC voltage controller (shown below) is used to control the AC output…

A:

Q: To change the direction of rotation of a series wound DC generator the general rule is to

A: To change the direction of rotation of a series wound DC generator  Note: we always change the…

Q: For which measurement is this oscilloscope time difference reading useful?

A: Let the time difference between two waveform is "t" seconds and time period of both the waveform or…

Q: Extinction angle B for R load in controlled circuit is Select one: a. 1200 O b. 180° O C. =00 d.…

A: Extinction Angle for a R load in controlled circuits is 180 degrees. Due to resistive (R) load, the…

Q: - Inter pole winding is connected in

A: Inter pole produces a counter emf to nullify reactance voltage.

Q: Question: In Dc chopper,the input voltage waveform is and the output voltage waveform is Option 1:…

A: In this question, choose the correct options What is input voltage waveform and what is output…

Q: Identify which measurement this oscilloscope time difference reading is useful for. Ociloscope-XSC1…

A: Given, T1= 250us T2= 1.261ms T2-T1= 1.011ms Scale: On x-axis: 200us/Div On y-axis: 100V/Div

Q: The generated voltage per phase of an alternator is E0 while the speed of rotor rotation is 3000…

A: We will establish the relation between the generated voltage and the speed of the alternator.

Q: Why is the RHS power supply 30-90?

A: Asked to explain why the right hand side voltage source has angle 30⁰-90⁰.

Q: iii. Induced emf in the coil if the current fall from 3A to 1A a. 420V b. 620V c. 0.62V d. 0.42V

A: Put the given inductor value L and change in time

Q: Please solve this question in control system quickly

A: From the given figure we can see that ; Damping frequency - wd =8 rad/sec

Q: write main points of full subtractor?

A: Here i have mentioned the main points of full subtractor.

Q: The generated voltage per phase of an alternator is EO while the speed of rotor rotation is 3000…

A: We will establish a relation between generated emf and the speed with which the rotor is rotating to…

Q: block diagram fro dc motor refrigerator

A: Electrical machines can be either generator, transformer or motors. They can be either Ac machines…

Q: What are rotor faults in alternators

A: The rotor of an alternator is directly connected with field winding of the alternator whenever there…

Q: Hydroelectric genarators are

A: The explanation is as follows.

Q: What's the peak time for this system with its closed-loop poles as shown? jo Select one: O a. 1.57…

A: From figure, jwd=j2 wd=2 rad/s

Q: Draw the No Load characteristic From run (1) and calculate RF, show different lines of shunt field…

A: No load characteristic of a generator is drawn between open circuit voltage (Eo) and field current…

Q: In DC generator, the field flux can be decreased by

A: In the DC shunt generator,  Field flux can be control, describe the method?

Q: 8A (L 2A

A: In source transformation, one source works at a time. When 8 A is OC , 9 ohm and 3 ohm resistors…

Q: What is the difference between wound rotor induction machines and squirrel cage machines

A: The wound rotor (also called as slip ring) and squirrel cage machines are the type of rotor in…

Q: Draw and label both the power and control circuit of a 3 phase DOL induction machine starter

A:

Q: Examples of Close loop versu open loop

A: We need to explain the examples of open loop and closed loop control systems. A system just contains…

Q: Q/Fore the d.c series motor loaded by d.c. generator, when the load resistance is high then the…

A: For the DC series motor loaded by DC generator, when the load resistance is high then the speed of…

Q: In an On-Off AC Voltage controller, the ON time is 50 cycles and duty cycle is 0.25. The OFF time…

A: Let M be the number of on cycles and N be number of off cycles. Duty cycle=no.on cyclesno.on…

Q: the secondary voltage of the transformer of the circuit in the figure is Vs= 45 Sin wt volt, for a…

A:

Q: Compute for the %excitation of the stator current. Stator current = 0.07 Rotor current = 0.598

A: We need to find out % excitation of stator current

Q: In a thyristor-controlled reactor, the conduction angle is:

A: In the question, In a thyristor-controlled reactor, the conduction angle is....?.

Q: Go straight a head and at the * traffic lights

A: Go straight ahead and turn at the traffic lights.

Q: For which measurement is this oscilloscope time difference reading useful? Oscilloscope-XSC1 Time…

A: By using time difference,

Q: The time available to turn-off thyristor in load-commutated chopper is 3-2E2Cf, 4-C, 5- None of…

A: The above question is based on load commutated chopper.