# 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 : 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 : 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 : Explain power relations in three phase circuit.

Description : Explain power in single phase AC circuit.

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 : 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 are the different branches of electronics?

Description : What is the importance of electronics?

Last Answer : Electronics is very important nowadays its uses are increasing in day to day life. The high voltage and current devices are now being controlled by a small electronics circuits. By controlling ... helping in increasing the efficiency of system. Electronics helping in reducing the size of equipments.

Description : What is the meaning of Electronics and Communication Engineering?

Description : What is meant by feedback in electronics?

Description : What is the difference between analog and digital electronics?

Description : What is digital and analog electronics?

Description :  Can we create a digital circuit that has as inputs the  3- bit digital words [2: 0] A, [2: 0] B and [2: 0] C and its output is  equal to      |C-A-B| . The circuit of the binary full adder is known.

Description : Three lamps rated 240V.60W ,240V.75W and 240V.100W are connected in series across a 240V supply.Calculate the voltage across each lamp and power output from each lamp.

Description : A battery of e.m.f. 12V supplies a current of 5A for 2 minutes. How much energy is supplied in this time?

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

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 ellisjuniork90@gmail.com

Description : The synchronous motor which works on leading power factor and does not drive any mechanical load is called?

Last Answer : The synchronous motor which works on leading power factor and does not drive any mechanical load is called synchronous condenser.

Description : Explain transformer isolated drive circuits providing both signal and power.

Description : Can a power surge erase a hard drive?

Description : A) 62.5 micro ampere B) 125.0 micro ampere C) 0.25 micro ampere D)1 micro ampere

Description : What is a diode?

Last Answer : A diode consists of two electrodes (1) Anode (2) Cathode. The current flow is only in one direction. A diode is the most basic solid state (semi conductor) device. The above figure shows a P.N. junction. The P. material has holes and the N. material has electrons.

Description : The BCD equivalent of decimal 88 is ________. 50) A) 1000 1000BCD B) 1010 1000BCD C) 1100 0010BCD D) 1001 0000BCD

Last Answer : A) 1000 1000BCD

Description : Electronics

Description : Please, suggest me some good websites for learning EEE..

Last Answer : Electrical4u is best for me.

Description : Refer to the circuit below. The total absorbed (consumed) power is: