With necessary sketch, Explain the mode of operation of chopper which is turn off due to external circuit’s current. Write its merits and demerits
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- Draw dc load line :Topic Draw the equivalent circuits of Class E chopper for the different quadrant operation and write its description.help me in these questions pls write the questions with the and by (Computer) 1-Which of the following statements INCORRECTLY explain the label in the figure about LVDT working principles? a. Secondary coils are connected in series in such a way that their output is opposing each other. b. Constant DC voltage input to primary coil. c. Displacement moves ferrous rod from central position. d. The difference of the output voltage between the two secondary voltage.==========2- Explain the working principle of the measurement system in the figure below.i. Force input that is supplied to the sensor is processed to give the response in the form of raw output signal.ii. Signal conditioner manipulated the weak signal to give a conditioned input.iii. Analog or digital indicator display the unit that gives output reading of quantity being measured.iv. Measured value is compared with the input value for further action. a. ii, iii and iv only. b. i, ii and iv only. c. i, ii and…
- [4] The half wave ac controller has rms output voltage equal to input rms Vs at.......... (5] In single phase bidirectional ac controller, the RMS output voltage can be varied between zero to.............. of input voltage(i) A chopper circuit drives an inductive load from 360 DC supply. Given the load resistance as 8 2, the average load current as 20 A and operating frequency is 480 Hz. When the chopper is ON, 7 V is dropped. Calculate (a) conduction period (in milliseconds) (b) blocking period of the chopper (in milliseconds) (c) duty cycle of the chopper (d) draw the ON and OFF time period waveform (ii) Draw the circuit diagram of the single phase bridge rectifier which is used in two quadrant operation (RL load) and explain its operation. · Duty Cycle ON period OFF periodA single phase Half wave AC voltage controller has a resistive load of 16 ohms with input supply voltage of 240 V, 50 Hz. The delay angle of the thyristors is, a = 21/5. Determine a) The rms output voltage and current. b) Input power factor and Input current. c) Average output voltage and current.
- The single - phase ac voltage controller with inductive load. Plot the waveform of output voltage and voltage in each thyristor if the B = 10 %3D degree and delay angle (alpha) in both thyristor is 1- (30 degrees) 2- (90 degrees) 3- (120 degrees)Problem') A single-phase full-wave AC/AC voltage controller has input rms voltage Vs - 220 V,50 Hz, load R 100 2, and the firing angle a= 60° for the thyristors T1 and T2. Determine the output rms voltage VO and current IO, and the DPF.Two shunt generations each having an armature resistance of 0.05 ohm and field resistance 40 ohms respectively are connected in parallel. The e.m.f include in one machine is 250 V and that induced in the other machine is 260 V. they supply together a load current of 2000 A. Determine:(i) Terminal voltage; and(ii) Output of each machine.
- A single phase Half wave AC voltage controller has a resistive load of 16 ohms with input supply voltage of 240 V, 50 Hz. The delay angle of the thyristors is, a = 2T/5. Determine a) The rms output voltage and current. b) Input power factor and Input curren c) Average output voltage and current.Two shunt generations each having an armature resistance of 0.05 ohm and fieldresistance 40 ohms respectively are connected in parallel. The e.m.f include inone machine is 250 V and that induced in the other machine is 260 V. they supplytogether a load current of 2000 A. Determine the Output of each machine.What is transient stability in power system?