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.
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Feb 19, 2018
by
anonymous

basic gate drive circuit of GTO
Last Answer : basic gate drive circuit of GTO
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896 views
1 answer
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Nov 14, 2017
by
anonymous

Draw the structural diagram of GTO. Explain briefly the switching behavior of GTO with the help of appropriate voltage and current waveform.
Last Answer : Gate Turn Off Thyristor (GTO) Conventional Thyristor can be turned on with gate terminal but can not turn off from gate terminal. But in case of Gate Turn Off Thyristor (GTO), we can turn it on and off ... subdivided as storage period (Ts), fall period (Tp) and tail period (Tt).
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1.7k views
1 answer
asked
Aug 8, 2017
by
anonymous

What are the fundamental requirements of gate drive ICs?
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112 views
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Mar 11, 2018
by
anonymous

Last Answer : No we cannot turn off normal thyristor using Gate.
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91 views
1 answer
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Sep 21, 2017
by
anonymous

What is the use of a thyristor in a circuit?
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2.9k views
0 answers
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Mar 19, 2018
by
anonymous

Describe the gate circuit for a single phase full converter.
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70 views
0 answers
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Mar 11, 2018
by
anonymous
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Explain open emitter BJT drive circuit.
Last Answer : open emitter BJT drive circuit:
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262 views
1 answer
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Feb 19, 2018
by
anonymous

Explain DC coupled drive circuit with unipolar output.
Last Answer : DC coupled drive circuit with unipolar output: The figure shows the circuit and waveforms
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514 views
1 answer
asked
Feb 19, 2018
by
anonymous

Describe the working principle of Thyristor operated dimmer with the help of circuit diagram.
Last Answer : Thyristor operated dimmer: A popular thyristor operated dimmer circuit employ TRIAC-DIAC phase control for low AC power control. During each half-cycle, the capacitor charges through (R1+VR1). When the ... time constant {C (R1+VR1)}. Thus by reducing VR1 the lamp brightness can be increased.
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368 views
1 answer
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May 3, 2020
by
anonymous

Thyristor can be protected from over voltages by using
Last Answer : Thyristor can be protected from over voltages by using Voltage clamping device
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106 views
1 answer
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May 8, 2018
by
anonymous

Leakage current flows through the thyristor in
Last Answer : Leakage current flows through the thyristor in Forward blocking mode and Reverse blocking mode.
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211 views
1 answer
asked
May 8, 2018
by
anonymous
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What is a phase control thyristor?
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153 views
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Mar 19, 2018
by
anonymous

Why thyristor are not preferred for inverter?
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454 views
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Mar 19, 2018
by
anonymous

What is thyristor family?
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67 views
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Mar 19, 2018
by
anonymous

What is meant by firing angle of thyristor?
Last Answer : The point at which SCR is triggered is known as firings angle of thyristor.
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230 views
1 answer
asked
Mar 19, 2018
by
anonymous
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What is a reverse conducting thyristor?
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Mar 19, 2018
by
anonymous

What is the function of a thyristor?
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92 views
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Mar 19, 2018
by
anonymous

Why SCR is called as thyristor?
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Mar 19, 2018
by
anonymous

Is a SCR a thyristor?
Last Answer : Yes, SCR is a thyristor. Thyristor is the family and SCR is the member of that family but SCR is universally known as thyristor.
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161 views
1 answer
asked
Mar 19, 2018
by
anonymous

How is a thyristor used to convert AC to DC?
Last Answer : thyristor
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123 views
1 answer
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Mar 19, 2018
by
anonymous

What is the application of thyristor?
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Mar 19, 2018
by
anonymous

Last Answer : Yes ,it is one of the main advantage using thristors as a switch in DC circuit ,it has a high current gain
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160 views
2 answers
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Mar 6, 2018
by
anonymous

parallel operation of MOSFET can be done more easily as compared to thyristor. why?
Last Answer : Parallel operation of MOSFET can be done more easily as compared to thyristor because the resistance of MOSFET is increases with increase in temperature. MOSFET have the positive temperature coefficient. In ... the parallel operation of MOSFET can be done more easily as compared to the thyristor.
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300 views
1 answer
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Dec 7, 2017
by
anonymous

what are the disadvantages of thyristor?
Last Answer : Disadvantages of thyristor The silicon controlled rectifier (SCR) is unidirectional devices, so it can control power only in DC power during positive half cycle of AC supply. Thus only DC power is ... cycle. It cannot be used at higher frequencies. The gate current cannot be negative
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886 views
2 answers
asked
Dec 6, 2017
by
anonymous

write short notes on thyristor CSI .
Last Answer : Current-source inverter (CSI) is an inverter with a DC current input. Current source inverters are most commonly used in very high power AC motor drives.
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107 views
2 answers
asked
Nov 15, 2017
by
anonymous

Explain different gate drives techniques with base circuits and key features.
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560 views
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Mar 10, 2018
by
anonymous

Justify. Power MOSFET is operated at high enough gate source voltage to minimize the conduction losses.
Last Answer : MOSFET is metal oxide field effect transistor. MOSFET is a voltage controlled device. MOSFET is majority carrier device. MOSFET are of two one is n-channel MOSFET and p-channel MOSFET. Gate, ... . Hence, power MOSFET is operated at high enough gate-source voltage to minimize the conduction losses.
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841 views
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asked
Dec 7, 2017
by
anonymous
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Explain transformer isolated drive circuits providing both signal and power.
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Mar 11, 2018
by
anonymous

What is the need for electrically isolated drive circuits?
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Mar 11, 2018
by
anonymous

Last Answer : By using some circuit the forward DC current of thyristor is forced to zero is called forced commutation.
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Sep 21, 2017
by
anonymous

Last Answer : Natural commutation is also called as line Communication. The turning off of thyristor due to AC supply is called natural commutation or line commutation. If the thyristor is connected to AC supply ... connected to positive and anode terminal get connected to negative, this turns off the thyristor.
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Sep 21, 2017
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anonymous

Last Answer : Thyristor conducts when the anode voltage is greater than cathode and when the current provided to Gate.
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Sep 21, 2017
by
anonymous

Last Answer : Thyristor have three terminals anode, cathode and Gate.
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Sep 21, 2017
by
anonymous

thyristor can be turned off by?
Last Answer : Thyristor can be turned off by making anode potential equal to cathode potential or by making anode potential less than cathode potential.
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133 views
1 answer
asked
Sep 10, 2017
by
anonymous
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Last Answer : Thyristor commutation means turning off thyristor.
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1 answer
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Sep 10, 2017
by
anonymous

Last Answer : Thyristor can only be turned on by small gate pulse but it cannot be turn off by using gate hence thyristor is called semi controlled device.
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1.1k views
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asked
Sep 10, 2017
by
anonymous

Last Answer : Thyristor can be turn on by positive gate pulse and the current will continue to flow through the device even when the gate voltage is low hence thyristor is called latching device.
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915 views
1 answer
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Sep 10, 2017
by
anonymous

Thyristor Switched Capacitor (TSC)
Last Answer : Thyristor Switched Capacitor (TSC) TSC is a static compensator. TSC is use for compensating reactive power. Compensation is required for voltage regulation, increasing stability, ... compensating device like TCS phase angle between voltage and current can be maintain.
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202 views
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Aug 9, 2017
by
anonymous

How to Build a Gate
Last Answer : How to Build a Gate Having a gate that is well built and smoothly functioning makes entry and exit to a private space even more rewarding. Whether to keep children or pets in or unwanted animals and ... swinging. Make sure you know which way you want the door to swing before you screw it on.
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1 answer
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May 12, 2021
by
anonymous

Function of OR Gate its logical symbol and truth table.
Last Answer : Function: - OR gate is used to perform logical addition. So used in adder subtractor and logic circuits where logical Oring is required. Used to implement SOP form equations. Also used in PLA logic. Logical symbol of OR gate :- Truth table:-
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110 views
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May 26, 2020
by
anonymous

GATE 2020 syllabus electrical engineering
Last Answer : EE: Electrical Engineering Section 1: Engineering Mathematics Linear Algebra: Matrix Algebra, Systems of linear equations, Eigenvalues, Eigenvectors. Calculus: Mean value theorems, Theorems of ... to dc converters, Single phase and three phase inverters, Sinusoidal pulse width modulation.
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169 views
1 answer
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Sep 3, 2019
by
anonymous

Sketch symbol of NAND gate and NOR gate.
Last Answer : Symbol of NAND gate and NOR gate
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Jul 24, 2019
by
anonymous

What is the propagation delay of a logic gate?
Last Answer : The application input pulse and the occurrence of resulting output pulse is called propagation delay of logic gate.
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1 answer
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Dec 16, 2017
by
anonymous

What is the purpose of a NAND gate?
Last Answer : Nand gate has 2 inputs and only 1 output and it is equivalent of an and gate. The output of a nand gate is high(1) only when anyone or both inputs are low(0).and the output of nand gate is low(0) only when both the inputs are high(1).nand gate is also called as universal gate.
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170 views
1 answer
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Dec 15, 2017
by
anonymous

What is an inverter gate?
Last Answer : Not gate is known as inverter gate as it inverts the I/P
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132 views
1 answer
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Dec 15, 2017
by
anonymous

What does the AND gate do?
Last Answer : AND gate multiple two inputs. If any one input is zero output will be zero if both inputs are one then only output is one.
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4.4k views
1 answer
asked
Dec 15, 2017
by
anonymous

Will installing Ubuntu on my USB Drive hurt my Windows partition?
Last Answer : No, booting from a USB stick will in no way affect your Windows installation. You can, however, manipulate files on your Windows partition from within Linux, which is handy if you have a crash, or otherwise cannot access Windows.
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1 answer
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Feb 26
by
anonymous

How to Drive Uphill Faster
Last Answer : How to Drive Uphill Faster Encountering steep hills when driving is very common, and while it looks easy, it can be very difficult, especially for a beginner. If you want to drive a car uphill at a ... how to do it properly, you can easily master it. Just remember to keep safe while doing this.
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May 11, 2021
by
anonymous

How to Drive Safely At Night
Last Answer : How to Drive Safely At Night Many expert drivers go through nighttime driving with ease and caution, but there are others who can't do it. Since your own body clock knows that it's time to go to bed ... a great chance that you'll fall asleep at the wheel. Remember these tips, and have a happy trip!
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1 answer
asked
May 11, 2021
by
anonymous
