is the RMS value of output voltage of the step down chopper which is having 200 V as a input for a duty cycle of 70 %.
Q: is the RMS value of output voltage of the step down chopper which is having 240 V as a input for a…
A:
Q: b) Briefly explain TWO (2) disadvantages of low power factor.
A: 1. Increases the conductor size For Three Phase AC Circuit the power = P = √3 V x I CosФ So…
Q: Determine the unknown values. Phase Instantaneous Value Peak RMS Average Value Value Value Angle (a)…
A:
Q: FIND THE VALUES INDICATED AND SHOW THE COMPLETE SOLUTION. Phase Instantaneous Value Peak RMS Average…
A:
Q: An alternator is at lagging power factor when it is normally excited True False
A:
Q: What is RMS voltage in a factory from an outlet that has a nominal voltage of 230 VAC
A: Given: Nominal voltage from an outlet is 230 VAC.
Q: Why the frequency will double when we rectify an ac input to dc output at the ripple factor ?
A: Ripple factor measures the amount of ripple content present in the waveform rectifier is a circuit…
Q: A step- down dc chopper has a resistive load of R=152 and input voltage 200V. when the chopper…
A:
Q: Write the correct answer If the peak to peak voltage is equal to 10. How much the RMS value of the…
A:
Q: 3. Find the characteristic frequencies of the coupled electric circuits of the figure below.…
A: The circuit diagram is shown below,
Q: In the power system given, on the line Reducing the active power loss by 60% to be placed at the end…
A: case 1load Active power P1=S cos ϕ=400*0.59=236 KWcos ϕ1=0.59ϕ1=53.842°case 2The active power loss…
Q: A single-phase ac voltage source has 200 V rms and a system connected consumes an active power of…
A:
Q: A generating station has a demand of 25 MW, a load factor of 60%, then the average demand will be:
A: Given: A generating station has, Maximum demand = 25 MW Load factor = 60 % Average demand =?
Q: FIND THE VALUES INDICATED AND SHOW THE COMPLETE SOLUTION. Phase Angle Instantaneous Value RMS…
A:
Q: Write the general voltage equation for a 250-Hz source whose peak voltage is 300 V.
A: In this question, We need to Write the general voltage equation If frequency f=250-Hz source peak…
Q: Please explain how you got the rms.
A:
Q: Impulse flashover test is conducted to know the characteristics of insulators and lightning…
A: The power system has to transmit power from the generation side to the load side. For this purpose,…
Q: Example 41: A single phase 120V AC control power to 5M2 load using integral cycle controller if the…
A: Given : AC voltage controller rms voltage =120 v Load resistance R = 5m Ω =5x106 ohm On integral…
Q: An alternator requires an alternating current of 2.1A to produce on short circuit its full-load…
A:
Q: What is the value of the equivelent impedance?
A: first find the equivalent value of the parallel branch and then find the equivalent impedance by…
Q: The reactive power output of an alternator is limited by load angle True False
A:
Q: llustrate open circuit internal circuit and external characteristic for dc shunt generator
A: Internal characteristics: The graph which shows the relationship between load generated emf and…
Q: A load is operating in a chopper circuit as shown in the figure. It has a duty cycle of 0.4…
A: Given: Duty cycleD=0.4Chopping frequency=150 HzE=?
Q: Two equal voltages are out of phase with respect to each other by 90 electrical degrees. If the…
A: In this question we will find RMS value of each voltage...
Q: Determine the normalized power and energy for each of the following signals:
A: Answer : (a) x1t=e-2tu(t) standard form of x1(t) is given by x(t)=e-atu(t) t>0 And it…
Q: One phase of a three-phase alternator consists of twelve coils in series. Each coil has an rms…
A:
Q: what is a difference between AC AND DC load line
A: Load line- Load line is a line which is drawn in a plot between current and voltage. It denotes the…
Q: One disadvantage of low power factor is
A: The solution is provided in the following section:
Q: (i) A chopper circuit drives an inductive load from 298 V DC supply. Given the load resistance as…
A: Given , supply voltage (Vs) = 298 volts Load resistance (RL) = 5.5 ohm Average Load current (Io) =…
Q: The phase angle between magnetizing component current and core loss component current is 90° Select…
A:
Q: Find The RMS value of a 50% chapped ac wave
A: A 50% chopped ac wave is half wave rectified ac wave. Assume an AC HWR sine wave In a period of…
Q: The ripple factor for pure dc is Answer:
A: Ripple factor is ratio of ripple voltage to average voltage Ripple factor =ripple voltageaverage…
Q: A 120V source control power to a 5 Q resistive load using a phase control switch. If the load power…
A: As the 120V source feeding the 1KW load using a phase controlled switch, one can use single SCR…
Q: 148 Determine the rms value of the voltage waveform shown in Figure vt) WW 4. 18 24 12
A:
Q: 2. A DC to DC buck converter has a 400V DC source and feeds a resistive load of 25 ohms. a) If…
A:
Q: RMS Average Value Peak Phase Instantaneous Value Value Angle Value (c) ? ? 10 A 30° ? (d) 200 V ? ?…
A: in the question a sinusoidal signal is given. V=Vmsinωt Average Value =VmπRMS Value = Vm2
Q: Determine the rms value of the unit sawtooth wave of period T.
A: The RMS value is Root Mean Square value. It is defined as " the amount of AC power that produces the…
Q: Does Clampor circuit change the peak-to-peak (i.e., rms value)? Justfy
A: According to the question we need to discuss. Does the Clampor circuit change the peak-to-peak…
Q: The cosine angle between the voltage and current in an AC circuit is known as power factor. With aid…
A: The cosine angle between the voltage and current in an AC circuit is known as power factor. With aid…
Q: 10-A heater is rated as 230 V, 10 KW, A.C. What is the value 230 V referring to? 11- Sine wave…
A:
Q: Briefly explain TWO (2) disadvantages of low power factor.
A: Power factor angle (φ) is the angle between the voltage (V) and the current (I)
Q: The amplitude of the sinusoidal symmetrical AC component of the three-phase short-circuit current of…
A: The sinusoidal symmetrical AC component of 3-phase short circuit current of the machine is given as:
Q: is the RMS value of output voltage of the step down chopper which is having 220 V as a input for a…
A: In this question , we will finf output RMS voltage of opamp...
Q: For type-A chopper of fig, dc source voltage is 230 V, load resistance is 10 ohm take a voltage drop…
A:
Q: Example For tha wanform qinen by (i = Im sin wt ), caleulate the rms valu e.
A: In this question we need to find a RMS value of the given sinusoidal ac current.
Q: FIND THE VALUES INDICATED AND SHOW THE COMPLETE SOLUTION. RMS Phase Angle Peak Instantaneous Average…
A:
Q: EX1: The AC Voltage controller shown below is used for heating a resistive load of 5 N and the input…
A:
Q: 4. (a) What is leading and lagging power factor? and discuss about the reasons for the low power…
A:
Q: FIND THE VALUES INDICATED AND SHOW THE COMPLETE SOLUTION. Peak Phase Instantaneous Value RMS Average…
A:
Electrical Engineering _ Power Electronics
Notes: pls try to answer in less than 30 min.
Step by step
Solved in 2 steps
- For type A chopper, dc source voltage = 250 V, load resistance = 10 Ω. Take a voltage excess of 2V across chopper when it is on. For a duty cycle of (0.004*Vs ), calculate (a) average and rms values of output voltage and (b) chopper efficiency.An ideal battery of terminal voltage Vs= 120V supplies a resistive load of resistance 10 Ω as shown in the bellow class-A chopper circuit. The chopping frequency is f =1000 Hz and the duty cycle is set to be 0.25. (a) Sketch approximately to scale the output voltage waveform. (b) Determine the average output voltage. (c) Determine the rms output voltage. (d) Determine the dc power and ac power. (e) Determine the ripple factor and the chopper efficiencyAn audio power amplifier delivers an 80-volt peak 35 Hz sine to a subwoofer. If the subwoofer impedance at this frequency is 4 at −30°, determine the peak current delivered to the load and the true power.
- 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 currentSingle phase half wave AC-AC converter has a resistance of R = 50 ohms. Input voltage is given as 230 Vrms. Transformer conversion ratio is 1:1. If T1 thyristor is triggered at 60 degrees; a)Rms output voltage? b)Output power? c)RMS load current and average load current? d)Input power factor? e)Average and RMS thyristor current?Is it possible to measure the phase-shift angle in an AC single-phase circuit by an indirect method using an ammeter and a voltmeter? - Yes, but an instrument must be added to measure the active resistance of the load. - Yes, but an instrument must be added to measure the active power dissipated by the load. - Yes, but an instrument must be added to measure the frequency.
- A non-sinusoidal quasi-square wave voltage v(t) is applied to a nonlinear load, resulting in a non-sinusoidal current i(t). The voltage and current waveforms are shown below. Assume any values of your choice for Vp (≤ 200 V) and Ip (≥ 5 A). 1. calculate the average power and net power factor of the load. 2. The total load harmonic distrotion (THD) of the load current, assuming the smallest frquency term as fundamental.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 12-V dc power supply. What is the output voltage range of this chopper if the duty cycle can vary between 20 and 95%?