What is the output voltage range of this chopper
Q: Clear my choice Consider a separately-excited DC motor with an armature resistance RA-0.25 2 and…
A:
Q: What is the use of DC-DC boost module 0.9-5v to 5v? How does it work?
A: A DC-DC boost converter module (boost converter) is a DC-DC power converter module that boosts…
Q: DC compound machine; a) Explain how it works as an engine.(in detail)
A: A DC machine's operating theory is that electric current flows within a magnetic field through a…
Q: Derive the transfer function of a two phase AC Servo Motor giving relationship between control…
A: AC servo motor has two stator fields placed at right angles to each other. one is reference…
Q: 7. The following table relates to the open-circuit curve of a shunt gen- erator running at 750…
A: Given a short generator with speed of 750 rev/min. From the given values in table, we draw graph of…
Q: 1). Briefly describe the operation of the boost chopper. 2). Explain why the maximum value of the…
A: The working principle of Boost chopper is, The current in the input gets impromptu resistance…
Q: By using MMF method find the approximate voltage regulation of the machine provided that the rated…
A: As we have given : VT=350 VIF=5 Acosϕ=0.8 lag
Q: Q1: a-Explain briefly the theory of operation of DC chopper with resistive load b- what are the…
A: Thyristors are on-off switches that are used to manage the output power of an electrical circuit by…
Q: What is the differential compound generator and what is the principle of work, what are its…
A: Generator is a electrical machine which converts Mechanical energy into electrical energy.…
Q: A separately excited DC motor with an armature resistance of 2 2 is powered by a chopper from a…
A:
Q: A permanent-magnet dc motor has RA=0.5 Ω. With no load, it operates at 1070 rpm and draws 0.5 A from…
A:
Q: MCQS A dc motor develops of torque of 100 Nm at 1000 rpm. If the motor now runs at 1200 rpm, the…
A:
Q: Advantages of speed control of dc motor
A: 1. DC motors offer highly controllable speed. By changing the armature or field voltage it’s…
Q: In the load characteristic of a separately-excited DC generator, its output voltage decreases with…
A: The separately-excited DC generator the field winding can be excited by an external source. This…
Q: (a) Draw the equivalent circuit of the simplified squirrel cage induction motor. (b) Draw the power…
A:
Q: PID LOOP SIMULATOR M 00 3.4 Kp + + Kps 10r +1 Reference RPMI Controller DC Motor Controller Kp KI KD
A: The response of a dynamic system towards inputs expressed as a function of time is called the time…
Q: Example 1 A step-down chopper fed from a 200-V source operates a dc motor whose armature EMF is 70 V…
A:
Q: Two separately-excited d.c. generators are connected in parallel supply a load of 200 A. The…
A: given that load current I=200 A terminal voltage is V Ia1 +Ia2 = 200A425-V0.05+440-V0.1 =…
Q: A DC chopper is used in regenerative braking mode of a dc series motor. The dc supply is 600 V, the…
A: Given a DC chopper is used in regenerative braking mode of a dc series motor, having The dc supply,…
Q: A shunt generator has a full load current of 196 amp. at 220 V. The stray losses are 720 watts and…
A:
Q: Find the output current , power factor, output power,speed , torque and efficienc
A: Given, A single phase motor is given with r1=2Ω, X1=2.8Ω, X1=2Ω, r2=4Ω, XM=70Ω Rated power, 14hp=746…
Q: 2.A single-phase semiconu small separately excited d. is connected to à single - p = 0.50 ohm and…
A:
Q: A 250 V DC shunt generator has a constant loss of 1250 W. Find the load current for maximum…
A: Solution: Shunt generator; V=250 v, Constant loss =1250 W, Find the load current for maximum…
Q: Draw and explain output characteristics of DC shunt generator
A: Concept: A capacity to do work is called energy and it may exist in potential, kinetic, thermal,…
Q: A four-pole induction motor drives a load at 2500 rpm. This is to be accomplished by using an…
A: Given data: P=4nm=2500 rpms=4% The expression for the slip is given as,…
Q: N = 20 DC e, (t) motor N, = 25 e.(t) N2 = 100 J- 400 kg D = 800 Nms/rad N4= 100 Figure 3. DC motor…
A: The given system is a combination of gear trains. The equivalent value of θL at armature side can be…
Q: induction motor. min a) What is the Tst / Tfl ratio? b) Calculate smax and nmax?
A: The ratio of starting toque to Full load torque is calculated as:…
Q: One the following is not an advantage of BLDC motor over conventional DC motor.
A:
Q: Briefly describe the operation of the buck chopper.
A:
Q: What is the importance of compensator in control systems? NOTE: EXPLAIN ONLY STRAIGHT TO THE POINT
A:
Q: By using MMF method find the approximate voltage regulation of the machine provided that the rated…
A: According to question we have to find the voltage regulation.
Q: A shunt-connected motor delivers an output power of 24 hp at 1200 rpm while operating from a source…
A: Given The output power is, Pout=24 hp=24×746=17904 W Source voltage VT=440 V Speed nm=1200 rpm…
Q: 03: (A): Using Routh's criterion, determine the stability of the closed-loop system that has the…
A:
Q: A shunt generator delivers 195 A at a terminal p.d. of 250 V. The armature resistançe and shunt…
A: Generated emf = terminal voltage +voltage drop in armature resistance. Armature current = load…
Q: By using MMF method find the approximate voltage regulation of the machine provided that the rated…
A:
Q: A short-shunt generator supplies 220A at 260V. The armature resistance is 0.15Ω, shunt field…
A: The solution is given by
Q: 4. A DC motor is driven by an input terminal voltage of V4 440 V at 60 Hz in the equivalent circuit…
A:
Q: Answe completely and elaborate complete details. No plagiarism 1.) Define the working principle of…
A: AC motor: The motor converts the electrical current into mechanical power. This type of motor is…
Q: By using MMF method find the approximate voltage regulation of the machine provided that the rated…
A: F0 is taken from open circuit characteristics and FAR is taken from short circuit characteristics.…
Q: Two separately excited DC generators have the following parameters: (G1: Ra= 0.2 Q and induced…
A: Circuit diagram will be like:
Q: What must be the input voltage of a DC motor to have a steady state speed of 150 rad/sec with no…
A: DC Motor: A DC motor is an electric motor that runs on DC (direct current) (unlike an induction…
Q: stion 1 "A DC machine consists of 4-poles and operating at 1500 rpm. Its frequency of the induced…
A: Speed of the machine = 1500rpm Pole = 4 Frequency in the armature?
Q: A BC chopper is used in regenerative braking mode of a dc series motor. The dc supply is 600 V the…
A: Given a DC chopper is used in regenerative breaking mode of a DC series motor with, Supply voltage,…
Q: With necessary sketch, Explain the mode of operation of chopper which is turn off due to external…
A: Given that Explain the mode of operation of chopper which is turn off due to external circuit's…
Q: n INDUCTION REGULATOR Identify the rotor positions in degrees w.r.t the stator for giving the…
A: The rotor position in the induction regulator is described below: The three-stage enlistment…
Q: 7. The following table relates to the open-circuit curve of a shunt gen- erator running at 750…
A:
Q: By using MMF method find the approximate voltage regulation of the machine provided that the rated…
A: Write the value of the given rated voltage and current. V=350 VI=5 A
Q: A DC chopper is used in regenerative breaking mode of a dc series motor. The dc supply is 600 V, the…
A: Given, A DC chopper is used in regenerative breaking mode of a dc series motor has DC Supply, Vs =…
-
A boost chopper is powered by a 12-V dc power supply. What is the output voltage range of this chopper if the duty cycle can vary between 20 and 95%?
Step by step
Solved in 2 steps with 1 images
- A boost chopper is powered by a 24-V dc power supply. What is the output voltage range of this chopper if the duty cycle varies between 20 and 95%?A boost chopper is powered by a 24-V dc power supply. What is the output voltage range of this chopper if the duty cycle varies between 20 and 95%? also, A buck chopper is powered by a 200-V dc power supply. What is the output voltage range of this chopper if the duty cycle can be varied between 30 and 95%?1) Describe the effect the switching control signal frequency has on the output voltage and current of a boost chopper. Explain.2) A boost chopper is powered by a 12-V dc power supply. What is the output voltage range of this chopper if the duty cycle can vary between 20 and 95%?
- Two separately-excited d.c. generators are connected in parallel supply a load of 200 A. The machines have armature circuit resistances of 0.05 Ω and 0.1 Ω and induced e.m.fs. 425 V and 440 V respectively. Determine the terminal voltage, current and power output of each machine. The effect of armature reaction is to be neglected.(i) A chopper circuit drives an inductive load from 298 V DC supply. Given the load resistance as 5.5 Ω, the average load current as 37.5 A and operating frequency is 400 Hz. Calculate the ON period and OFF period of the chopper in milliseconds. Also determine the duty cycle of the chopper. (ii) Draw the output voltage for the above condition and label its ON period and OFF period. Duty Cycle ON period OFF period1). Briefly describe the operation of the boost chopper.2). Explain why the maximum value of the duty cycle must be limited in certain boost choppers?
- Answe completely and elaborate complete details. No plagiarism 1.) Define the working principle of AC Motor.2.) Define the different types of AC Motor.A series-connected motor drives a load from a 50-V source at a speed of 1500 rpm. The load torque is proportional to speed. The resistances RF=RA=0. Neglect rotational losses. What average source voltage is needed to achieve a speed of 1000 rpm? If this is achieved by chopping the 50-V source as illustrated in Figure 15.25 on page 775, find the duty ratio Ton/T.The AC Voltage controller shown below is used for heating a resistive load of 5 Ω and the input voltage Vs = 120 V (rms). The thyristor switch is on for n=125 cycles and is off for m = 75 cycles. Determine the RMS output voltage Vo, the input factor and the average and RMS thyristor current
- A short-shunt generator supplies 220A at 260V. The armature resistance is 0.15Ω, shunt field resistance is 50Ω, and the series field resistance is 0.2Ω. If the SPL amounts to 4% of the total power output, determine the IF (in Amps).This simulation is starting synchronous motor for matlab 2012 I want to know how I can measure the power factor in this figureA DC chopper is used in regenerative braking mode of a dc series motor. The dc supply is 600 V, the duty cycle is 70%. The average value of armature current is 100 A. It is continuous and ripple free. What is the value of power feedback to the supply ?