# what is drive circuit in power electronics ?

What is drive circuit in power electronics?

Driver circuit is for switching on and off the power semiconductor devices.

Driver is used for Motion Control through the use of power electronics.

## Related questions

Description : State the applications of power electronics.

Last Answer : Power electronics applications are extended to various fields such as: 1. Aerospace, 2. Automotive electrical and electronic systems, 3. commercial, 4. industrial, 5. residential, 6. telecommunication, 7. transportation, 8. utility systems,

Description : Briefly explain how the power factor of an inductive circuit can be improved.

Last Answer : As we know that power factor should be corrected to ensure that the current supplied is cost friendly. Meaning the power factor should be around one but not greater than one(0.8-0.9) in a ... an inductive circuit due to the inductive reactance which oppose the change of current in the ac circuit.

Description : State maximum power transfer theorem for DC circuit.

Last Answer : Maximum power transfer theorem for DC circuit: The maximum power transfer theorem states that the source or a network transfers maximum power to load only when the load resistance is equal ... removed (disconnected) ii) All internal independent sources are replaced by their internal resistances.

Description : List any two methods of reactive power measurement in 3 phase circuit.

Last Answer : Methods of reactive power measurement in 3 phase circuit: (i) Two single phase wattmeter method (ii) One single phase wattmeter method

Description : The power factor of a D.C. circuit is always?

Last Answer : The power factor of a D.C. circuit is always unity.

Description : In an A.C. circuit power is dissipated in?

Last Answer : In an A.C. circuit power is dissipated in resistance only.

Description : The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is?

Last Answer : The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is 6 kVAR.

Description : The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is?

Last Answer : The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is 32 kW.

Description : Pure inductive circuit takes power from the A.C. line when?

Last Answer : It takes power when voltage decreases and current increases.

Description : The power factor at resonance in R-L- C parallel circuit is?

Last Answer : since a rlc circuit at resonance behaves like a pure resistive circuit, i.e there is no phase difference between current and voltage, hence the power factor is unity.

Description : Power factor of an inductive circuit is usually improved by connecting capacitor to it in?

Last Answer : Power factor of an inductive circuit is usually improved by connecting capacitor to it in parallel.

Description : Power factor of an electrical circuit is equal to?

Last Answer : Power factor of an electrical circuit is equal to R/Z, cosine of phase angle difference between current and voltage, kW/kVA.

Description : What is the power factor of purely resistive circuit.

Last Answer : Unity that is 1

Description : In a pure resistive circuit, the average power Pavg is ______ the peak power Pmax. (1) Double (2) One-half of (3) One-fourth (4) Equal to

Last Answer : In a pure resistive circuit, the average power Pavg is One-half of the peak power Pmax.

Description : A snubber circuit is connected to the power semiconductor device to reduce the (A) turn-on time (B) turn-off time (C) electrical stresses (D) thermal resistance

Last Answer : A snubber circuit is connected to the power semiconductor device to reduce the electrical stresses

Last Answer : Air blast circuit breakers for 400 kV power system are designed to operate in 50 millisecond.

Description : How do you find power in a circuit?

Last Answer : Power can be find in a circuit by the means of meters .if an individual want to check for a power in a circuit he/she Calabria the meters on a high voltage range and put the meters Lee in parallel with the circuit he /she will know the amount of power within that circuit .

Description : Have you ever tried driving your car with one eye shut?

Last Answer : answer:It takes practice and a lot of judgment. My father was essentially blind in one eye for all of my lifetime, but he was one of the best drivers I've ever been with. And it's not that ... the wheel from you. I wonder how many jellies we'll lose this weekend as a result of that suggestion?)

Description : What do you say to a man that has just ran into the back of your new police car?

Last Answer : “Are you okay?”

Description : Can you find me a driver for the D-Link DWL-510 wireless card?

Description : What the “ bias” means in electronics ?

Last Answer : Bias (its has two types, positive and negative bais) decides the conducting and cut off point. in the amplifier stages ....

Description : State the applications of digital electronics.

Last Answer : 1. The processor, graphics controller are built on principles of digital electronics. 2. In Computers, tablet, displays, LCD/LED TV. 3. mobile/smart phone, , computer ,keyboard, mouse 4. speed/ ... bike/car, various control of the car, 5. ATM machines, credit /debit cards 6. Telephone exchange

Description : Explain MOSFET gate drive circuit and totem pole configuration.

Last Answer : MOSFET gate drive circuit: The turning on and turning off of MOSFET can be controlled from gate to source voltage signal. If the gate to source voltage of MOSFET exceeds threshold ... this configuration, the two switches (transistors) are used in totem pole arrangement with a comparator.

Description : Explain open emitter BJT drive circuit.

Last Answer : open emitter BJT drive circuit:

Description : Explain DC coupled drive circuit with unipolar output.

Last Answer : DC coupled drive circuit with unipolar output: The figure shows the circuit and waveforms

Description : Explain thyristor gate drive circuit.

Last Answer : Thyristor Gate Drive Circuit: The thyristor can be turned on by pulse voltage signal at gate terminal and it does not require continuous drive signal like the transistor. The gate ... circuit provide required minimum gate voltage and gate current then the thyristor conducts properly.

Description : basic gate drive circuit of GTO

Last Answer : basic gate drive circuit of GTO

Description : How can I keep my power cords, charging docks, and various other electronics related cords from taking over all of my extra storage space?

Last Answer : I use twisty ties because I’m ghetto. But it looks like the Container Store has a bunch of options. I’d imagine most office supplies stores would have stuff too.

Last Answer : Req= (1/1200 +1/560 + 1/2.1)^-1        = 2.1 ohms RT= 2.1 + 7.8      = 9.9 ohms IT = V/R = 24/9.9                = 2.4 A Veq= R I =  2.1 2 ... 7.8         = 12.096 w                 = 44.928 w _________________________________________ By: Ellis-Junior Kamatjipose [email protected]

Description : [Not Spam] Is Hisense reputable? Are their electronics any good? I have seen more and more of their products in the US and I know nothing about them.

Last Answer : It’s all from china, one of the more reputable state-owned companies. They sell products under a bunch of different names. I’d check reviews carefully before buying any big ticket items from them.

Description : Do you have a recommendation for a solar charger, for charging electronics (such as cell phones)?

Last Answer : answer:I just use the charger that came with my cell phone. It’s quick, cheap and plugs into both the house and the car. Maybe you could buy an electric car?

Description : Electronics question: Do resistors work both ways?

Last Answer : Yes, resistors work both ways. The gold/yellow stripe only is relevate to the tolerance.

Description : What safety precautions should I observe when handling electronics?

Last Answer : Make sure it's unplugged, for one. I don't think that a fan would have much of a static charge to it, but if ever you're suspicious, try grounding it out with an insulated wire or something. ... ), but if you do, look up the Material Safety Data Sheet for it for guidelines on cleaning and disposal.

Description : What should I do with my old electronics?

Last Answer : Update: It’s a Canon powershot a640.

Description : With an upcoming solar flare... should we unplug our electronics?

Last Answer : It can’t hurt to unplug them, but mostly these things just disrupt communication signals. If it was big enough to fry the power grid, you’d need to not only unplug but place your electronics in some sort of shielded container/structure.

Description : Do you still own a VCR as part of your electronics collection or did you discard it?

Last Answer : I still have a VCR because I had transferred all our home movies to VHS. I guess I now need to transfer them to DVD’s.

Description : Disposal of electronics?

Last Answer : You might try calling your local garbage disposal agency for information of how to dispose of such things in a green way.

Description : What should I make for my first electronics project?

Last Answer : a mechanism to rotate the registration plate on your car, á la 007.

Description : Electronics stores in the Reno, NV area where I could find accessories for Shure earbuds?

Last Answer : According to this site these guys carry Shure. You might call them first. RadioShack 495 Keystone Avenue, Suite A, Reno, NV 89503 (775) 786-0119 There are several others. I ... =en&q=Shure+earbuds+accessories+reno+Nev&btnG=Google+Search&aq=f&oq=Shure+earbuds+accessories+reno+Nev&aqi=&fp=-Pw1cEIpNGU

Description : Is there a standard way to come up with a reasonable price for used electronics?

Last Answer : Search the Web or retail stores for what it sells for used?

Description : Explain the term ‘hole’ in electronics.

Last Answer : When an electron is detached from the co-valent bond, it leaves a vacancy which behaveslike a positive charge. This vacancy is called a hole.

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Description : How to Dispose of Electronics

Last Answer : How to Dispose of Electronics Some people think that television sets, cellular phones, or batteries can be disposed of like any other item of solid waste. Electronic gadgets and appliances may contain ... , you can help protect the environment and get rid of your old or damaged electronics safely.

Description : 1.Determine the permeability of magnetic material by plotting its BH curve 2. Measure voltage, current and power in 1-phase circuit with resistive load. 3. Measure voltage, current and ... .Make Star and Delta connection in induction motor starters and measure the line and phase values.

Last Answer : Practical no. 6 Aim: Make Star and Delta connection in induction motor starters and measure the line and phase values. Apparatus required:  voltmeter, ammeter, induction motor Circuit diagram ... Result: Hence we have measured the line and phase value of star and delta connection.

Description : What are the applications of electronics?

Last Answer : Applications of electronics are as follows: a) Communication and entertainment: Telephony, Telegraphy b) Instrumentation & control: CRO, function generator, power supply, digital multimeter, SCR to control ... Machine: Many medical equipment like EEG, MRI, ECG, X-RAY, sonography machines etc

Description : What is the importance of electronics?

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Last Answer : It is denoted as τ, tau and has the value of 1/RC. We

Description : role of tuned LC circuit in tuned amplifier.

Last Answer : In order to pick up and amplify the desired radio frequency signal, the resistive load in the audio amplifier is replaced by a tuned circuit (also called a parallel resonant circuit)as shown ... desired radio frequency signal. (ii)Amplification of the selected signal to a suitable voltage level.

Description : State Ohm’s law for electric circuit.

Last Answer : Ohms law -States that the current flows in a circuit is directly proportional to the applied voltage (V) and inversely the proportional resistance provided with the temperature main constant