Can we use triac in multiquadrant chopper?

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Yes, we can use triac in the multi-quadrant chopper.

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Related questions

A dc chopper is fed from a constant voltage mains the duty ratio of chopper is progressively increased while

Description : A dc chopper is fed from a constant voltage mains the duty ratio of chopper is progressively increased while the chopper feeds an RL load. The per unit current ripple would  (1) increase progressively  (2 ... 0.5 and then increase  (4) increase to a maximum value at α = 0.5 and then decrease

Last Answer : A dc chopper is fed from a constant voltage mains the duty ratio of chopper is progressively increased while the chopper feeds an RL load. The per unit current ripple would increase to a maximum value at α = 0.5 and then decrease

Explain two quadrant chopper.

Description : Explain two-quadrant chopper.........

Last Answer : Two quadrant chopper:  There are two semiconductor controllable switches in the two-quadrant chopper. Two quadrant type A chopper: The figure shows the type A chopper. Both the switch never turn on at ... 2 are turned on then Vo=Vs. When chopper 1 and chopper 2 are off then Vo=-Vs.

In a thyristor D.C. chopper, which type of commutation results in best performance ?

Description : In a thyristor D.C. chopper, which type of commutation results in best performance ?

Last Answer : voltage commutation

With neat sketch explain four modes of operation of a TRIAC?

Description : With neat sketch explain four modes of operation of a TRIAC? 

Last Answer : Modes of operation of a TRIAC: There are four different operating modes of TRIAC:  1) MT2 and gate are positive with respect to terminal MT1(Mode1) : Here terminal MT2 is positive ... junction P2-N2 is forward biased, current carriers are injected and therefore, the TRIAC is turned on. 

Draw symbol & V-I characteristics of (i) LASCR (ii) DIAC (iii) TRIAC

Description : Draw symbol & V-I characteristics of (i) LASCR (ii) DIAC (iii) TRIAC

Last Answer : (i) LASCR:  (ii) DIAC:  (iii) TRIAC: 

Speed control of the motor using TRIAC

Description : Speed control of the motor using TRIAC

Last Answer : Speed control of the motor using TRIAC:  This basic phase triggering circuit uses the triac in series with the motor across an AC sinusoidal supply. The variable resistor, VR1 is used ... meaning that it may not trigger at the exact same point for each positive and negative half cycle.

Compare SCR and TRIAC

Description : Compare SCR and TRIAC

Last Answer : SCR TRIAC It is an unidirectional device. It is a bidirectional device. It is turned-on by only positive gate current. It can be turned-on by either ... applications including lamp dimmer, heating control, zero voltage switched AC relay, small AC motor control etc.

Draw the symbol of GTO and TRIAC.

Description : Draw the symbol of GTO and TRIAC.

Last Answer : 1) GTO: 2) TRIAC: 

SCR is more utilized as compared to Triac because it is

Description : SCR is more utilized as compared to Triac because it is

Last Answer : SCR is more utilized as compared to Triac because it is available with higher ratings

Describe triggering circuit for TRIAC using DIAC.

Description : Describe triggering circuit for TRIAC using DIAC.

Last Answer : Triggering circuit for TRIAC using DIAC: DIAC stands for diode alternating current. It's a two terminal four layer bidirectional device. It conducts in both directions. DIAC is used for triggering TRIAC. ... of DIAC to the gate terminal of TRIAC reduces the harmonics.

An FET is a better chopper than a BJT because it has

Description : An FET is a better chopper than a BJT because it has (A) lower offset voltage (B) higher series ON resistance (C) lower input current (D) higher input impedance

Last Answer : An FET is a better chopper than a BJT because it has lower offset voltage

Chopper controlled DC motor

Description : Chopper controlled DC motor

Last Answer : Chopper controlled DC motor

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Description : What is TRIAC?

Last Answer : TRIAC Structure:  Operating Principle: A triac is a three terminal, five layer semiconductor device. It is equivalent to two separate SCRs connected in anti-parallel with gates common. ... for electric fans and other electric motors. v. Heating control vi. Zero voltage switched relay

Triac are usually operated at:

Description : Triac are usually operated at:

Last Answer : Triac are usually operated at: power frequency

A triac is a device which acts as a

Description : A triac is a device which acts as a  A) Diode in forward direction and thrylistor in the reverse direction B) Thyristor in both directions C) Diode in both directions D) Thyristor in forward direction and diode in reverse direction

Last Answer : A triac is a device which acts as a Thyristor in both directions

Figure 'D' shown in the illustration represents a/an ____________. EL-0078 A. DIP IC chip B. integrated diac/triac envelope C. TO-5 flat pack D. 7-segment BCD display

Description : Figure 'D' shown in the illustration represents a/an ____________. EL-0078 A. DIP IC chip B. integrated diac/triac envelope C. TO-5 flat pack D. 7-segment BCD display

Last Answer : Answer: A

A triac thyristor functions as a control device and is basically ________________. A. two NPN transistors in parallel with a common base lead B. a diode in series with a temperature sensitive capacitor C. two back-to-back SCR's with a common gate lead D. a triode tube with an extra heavy grid element

Description : A triac thyristor functions as a control device and is basically ________________. A. two NPN transistors in parallel with a common base lead B. a diode in series with a temperature sensitive capacitor C. two ... -back SCR's with a common gate lead D. a triode tube with an extra heavy grid element

Last Answer : Answer: C

Figure 'A' of the diagram shown in the illustration represents a/an ____________. EL-0078 A. silicon controlled rectifier B. IG or MOS field effect transistor C. triac thyristor D. junction field effect transistor

Description : Figure 'A' of the diagram shown in the illustration represents a/an ____________. EL-0078 A. silicon controlled rectifier B. IG or MOS field effect transistor C. triac thyristor D. junction field effect transistor

Last Answer : Answer: B

When used for ac current control, during which alternation of the ac cycle does the TRIAC control current flow?

Description : When used for ac current control, during which alternation of the ac cycle does the TRIAC control current flow?

Last Answer : During both alternations.

The TRIAC is similar in operation to what device?

Description : The TRIAC is similar in operation to what device?

Last Answer : SCR

When a Triac is properly gated, what is/are the direction(s) of current flow between anodes 1 and 2?

Description : When a Triac is properly gated, what is/are the direction(s) of current flow between anodes 1 and 2?

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TRIAC

Description : What is TRIAC ?

Last Answer : TRIAC is three terminal semiconductor device for controlling current. TRIAC is bidirectional device. TRIAC is use for AC switching applications because it can control the current flow over both halves of ... as convenient for some high power applications where its switching is more difficult.

A Triac is a - - - power switch

Last Answer :  A Triac is a Bi-directional power switch

A Triac has - - - terminals

Last Answer : A Triac has Three terminals

What do you think about Price Chopper?

Description : What do you think about Price Chopper?

Last Answer : Never heard of it.

How can I become a better food chopper?

Description : How can I become a better food chopper?

Last Answer : this is what i learned: make sure you hold the knife with your thumb on one side of the handle and the rest of your fingers on the other side - don't rest any fingers on the edge of the ... it - it gives you a lot more control over the knife, which will increase your speed, agility and efficiency

i have a chines made mini chopper bike and i cant find a websit that sells parts for it

Description : i have a chines made mini chopper bike and i cant find a websit that sells parts for it

Last Answer : Need Answer

I am looking for a good blender chopper that is dishwasher safe. Any suggestions?

Description : I am looking for a good blender chopper that is dishwasher safe. Any suggestions?

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Is there any benefit to using an onion chopper instead of a knife?

Description : Is there any benefit to using an onion chopper instead of a knife?

Last Answer : Yes, using an onion chopper instead of a knife will save you a lot of time. It might also save you a few tears!

How can I keep from crying when using an onion chopper?

Description : How can I keep from crying when using an onion chopper?

Last Answer : To avoid crying while chopping an onion, you must first remove the bottom portion of the onion. This is where the roots come out and is the place that contains tear-inducing agents. You must remove it correctly or else you'll still cry.

Price Chopper Coupons?

Description : Price Chopper Coupons?

Last Answer : In todayï ½s tough economy, saving money is more important than ever. Cut out unnecessary luxuries from your budget, go without, and change your spending habits. One new spending habit to adopt is ... for everyday items. Check out http://www2.pricechopper.com/coupons/ and start saving money today.

What are the disadvantages of load commutated chopper?

Description : What are the disadvantages of load commutated chopper?

Last Answer : a. For high power applications, efficiency becomes very low because of high switching losses at high operating frequencies. b. Freewheeling diode is subjected to twice the supply voltage. c ... other pair is commutated. This can be realized by sensing the capacitor current that is alternating.

What are the advantages of load commutated chopper?

Description : What are the advantages of load commutated chopper?

Last Answer : a. Commutating inductor is not required. b. It is capable of commutating any amount of load current. c. It can work at high frequencies in the order of kHz. d. Filtering requirements are minimal.

What are the advantages of current commutated chopper?

Description : What are the advantages of current commutated chopper?

Last Answer : a. The capacitor always remains charged with the correct polarity. b. Commutation is reliable as load current is less than the peak commutation current ICP. c. The auxiliary thyristor TA is naturally commutated as its current passes through zero value.

What are the different types of chopper with respect to commutation process?

Description : What are the different types of chopper with respect to commutation process?

Last Answer : a. Voltage commutated chopper. b. Current commutated chopper. c. Load commutated chopper.

Write down the expression for the average output voltage for step down and step up chopper.

Description : Write down the expression for the average output voltage for step down and step up chopper.

Last Answer : Average output voltage for step down chopper is VO= αVS. Average output voltage for step up chopper is VO= αVSx [1/ ( 1- α)].

What is meant by PWM control in dc chopper?

Description : What is meant by PWM control in dc chopper?

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What is meant by FM control in a dc chopper?

Description : What is meant by FM control in a dc chopper?

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Write down the expression for average output voltage for step up chopper.

Description : Write down the expression for average output voltage for step up chopper.

Last Answer : Average output voltage for step down chopper V0= Vs, αis the duty cycle 1- α

Write down the expression for average output voltage for step down chopper.

Description : Write down the expression for average output voltage for step down chopper.

Last Answer : Average output voltage for step down chopper V0 = αVs, αis the duty cycle

What is meant by step-up and step-down chopper?

Description : What is meant by step-up and step-down chopper?

Last Answer : In a step- down chopper or Buck converter, the average output voltage is less than the input voltage. In a step- up chopper or Boost converter, the average output voltage is more than the input voltage.

What are the applications of dc chopper?

Description : What are the applications of dc chopper?

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What are the applications of dc chopper?

Description : What are the applications of dc chopper?

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What is meant by dc chopper?

Description : What is meant by dc chopper?

Last Answer : A dc chopper is a high speed static switch used to obtain variable dc voltage from a constant dc voltage.

What is meant by chopper?

Description : What is meant by chopper?

Last Answer : Chopper converts fixed dc voltage into variable dc voltage

What are the control strategies of chopper?

Description : What are the control strategies of chopper?

Last Answer : The control strategies of chopper are 1. Pulse width modulation PWM (Variable TON, Constant frequency) 2. Frequency modulation (Constant TON or TOFF, Variable frequency) 3. Current Limit Control (CLC)

4-Quadrent operation of chopper I is positive but V is may be positive are negative operates in which quadrant a) 1 and 2 b) 2 and 3 c) 1 and 3 d) 1 and 4

Description : 4-Quadrent operation of chopper I is positive but V is may be positive are negative operates in which quadrant a) 1 and 2 b) 2 and 3 c) 1 and 3 d) 1 and 4

Last Answer : Ans: 1 and 4

Ripple in output current of a step-down chopper feeding RLE load is maximum, when duty cycle is equal to:

Description : Ripple in output current of a step-down chopper feeding RLE load is maximum, when duty cycle is equal to:  (1) 1 (2) 0.5 (3) 0.75 (4) 0.33

Last Answer : Ripple in output current of step down Chopper feeding a RLE load is maximum, when duty cycle is equal to 0.5

A step-down chopper, fed from a 120 volt DC source, operates a DC motor whose armature e.m.f. and

Description : A step-down chopper, fed from a 120 volt DC source, operates a DC motor whose armature e.m.f. and armature resistance are 100 volt and 0.5Ω respectively. With the magnitude control ratio 0.6, the quadrant of operation DC motor is  (a) First (b) Second (c) Third (d) Fourth

Last Answer : A step-down chopper, fed from a 120 volt DC source, operates a DC motor whose armature e.m.f. and armature resistance are 100 volt and 0.5Ω respectively. With the magnitude control ratio 0.6, the quadrant of operation DC motor is First

A DC chopper is used for regenerative braking of a separately excited DC motor. The DC supply

Description : A DC chopper is used for regenerative braking of a separately excited DC motor. The DC supply voltage is 400V. The armature current during regenerative braking is kept constant at 300 A with negligible ripple. For a duty cycle of 60% ... to the DC supply is  (a) 78 kW (b) 58 kW (c) 38 kW (d) 48 kW

Last Answer : 48