Draw construction of IGBT.

1 Answer

Answer :

construction of IGBT

image

Related questions

Description : Describe with neat sketch the constructional details of IGBT.

Last Answer : Construction: Insulated gate bipolar transistor or IGBT, is a solid state devices primarily used as an electronic switch which, as it was developed, came to combine high efficiency and fast ... layer and p+ emitter constitute a BJT with a wide base region and hence small current gain.

Description : Which phenomenon is present in thyristors but absent in BJT, MOSFET and IGBT ? (A) forward conduction (B) latching (C) forward blocking (D) reverse breakdown

Last Answer : Which phenomenon is present in thyristors but absent in BJT, MOSFET and IGBT ? (A) forward conduction (B) latching (C) forward blocking (D) reverse breakdown

Description : Compare BJT, MOSFET and IGBT .

Last Answer : BJT MOSFET IGBT BJT is a current controlled device. MOSFET is a voltage controlled device. IGBT is a voltage controlled device. The input impedance of BJT is low. ... is minority carrier device. MOSFET is majority carrier device. IGBT is minority carrier device.

Last Answer : Because it has a higher switching frequency and heat tolerance.

Description : Justify the statements. 1. IGBT uses a vertically oriented structure. 2. IGBT is preferred as a power switch over both power BJT and MOSFET. 3. Punch through IGBT structure are more popular and are widely used.

Last Answer : 1. IGBT uses vertically oriented structure. IGBT use vertically oriented structure to reduce the resistance and to increase the current flow area. Hence IGBT uses vertically oriented ... DC circuit applications. Hence punch through IGBT structure are more popular and are widely used.

Description : Also, highlight the problem faced during parallel operation.

Last Answer : Parallel operation of IGBT: Parallel operation of IGBT is done for obtaining high current rating. Paralleling of IGBT reduces conduction losses and thermal stress. IGBT combines the qualities of ... . IGBTs must share losses equally otherwise IGBT may get failure due to thermal differences.

Last Answer : No, IGBT is not the current controlled device. IGBT is a voltage controlled device. IGBT have combine qualities of MOSFET and BJT. The high switching speed of MOSFET and low conduction losses of BJT. Also, IGBT which stands for Insulated Gate Bipolar Transistor have high input impedance.

Last Answer : IGBT is a bipolar device.

Last Answer :  IGBT or Insulated Gate Bi-polar Transistors are typically semiconductor devices aka.  controlled switches,  which find their applications in Power Electronics circuits such as Inverters, and electrical ... ( buy implementing suitable Pulse Width Modulation scheme ) * Lower cost 

Last Answer : IGBT is a bipolar device because current is carried by both holes and electrons.

Last Answer : ON state losses of IGBT is less as compared to MOSFET and BJT.

Description : Give the applications of IGBT

Last Answer : 1) AC and DC motor drives 2) SMPS 3) Inverters 4) Choppers 5) Solid-state Relays 6) solid-state Contactors

Description : The number of terminals present in IGBT is A) 2 B) 3 C) 4 D) 5

Last Answer : The number of terminals present in IGBT is 3

Last Answer : Yes IGBT is costlier than BJT and MOSFET.

Description : Draw construction of SCR using two transistor model. Explain its operation.

Last Answer : Two Transistor Model of SCR or Thyristor

Description : Draw construction of Megger and write operating principle of it.

Last Answer : Megger:  Working: Two coils the current coil and pressure coil are mounted at an angle on the same spindle and form the part of the moving system. These coils are connected to a small hand driven ... . When the instrument is not working the pointer may rest at any position on the dial.

Description : Will rain water damage a building under construction?

Last Answer : Often, yes, if you do it wrong. It's usually not a problem if the bones of the building get a bit wet before the roof goes on; things dry out easily before you install insulation and ... buildings are all metal, glass and concrete until the exterior is done, so even less problems with water.

Description : How thick do you make the exterior and interior walls of a residence if you are using Post and Beam construction instead of standard Timber Frame?

Last Answer : Post and Beam is historically 10 to 12 inches by the same. . . so wall thickness of up to 12 inches. I owned a 1720’s center chimney with post and beam.

Description : How long have construction workers been laying sheet of plastic on the ground before laying the foundation?

Last Answer : https://en.wikipedia.org/wiki/Vapor_barrier

Description : How do construction cranes rise up?

Last Answer : Look at rough terrain mobile crane to see if that’s what you mean.

Description : Help with very basic construction, generalized building code info?

Last Answer : It seems to me she should have obtained a building permit before beginning, posted in full view. She should have submitted a set of plans to the appropriate engineering dept to get an approval to ... on what unbalanced fill is. http://www.doityourself.com/forum/archive/index.php/t-308617.html

Description : How can a person improve at the job of construction?

Last Answer : Just build things. The more you do it the better you get. The internet is full of every how-to imaginable. Also go to the clinics at Home Depot. They are constantly demonstrating tools and techniques.

Description : How can I find out about new construction near my land?

Last Answer : i think you go to city hall to get the actual dimensions of your property and your neighbor's property

Description : How to make construction profitable and a house durable?

Last Answer : It so happened that we often make excessive demands on anything, wanting to save money and get high quality as a result. Especially in the case of building a house. Is it possible to save on ... immersed in the ground. Usually there are two of them - the method of indentation and screwing in.

Description : What paintwork materials are used in construction?

Last Answer : What paintwork materials are used in construction? Whatever the building material, it needs protection from external factors. Whether it be wood, concrete or metal, it doesn't matter. The ... plastered surfaces. Silicate paints are also capable of imparting good fire resistance to wood.  

Description : Explain construction and working of AC servomotor.

Last Answer : Construction of AC Servo Motor: AC servo motor is mainly composed of a stator and a rotor. Laminated stator core is usually made of silicon steel. Two phase windings are placed in the stator slots at 90 degree ... on rotor. Due to the force or torque acting on the rotor, it is set in motion. 

Description : Explain the construction and working of LVDT accelerometer with the help of diagram.

Last Answer : Explanation:* The LVDT accelerometer consists of one primary and two secondary windings which are placed on either side of central code. The two ends of the core are connected with ... in the output terminal. This output voltage is directly proportional to the vibration or acceleration. 

Description : Explain construction and working principle of single phase transformer.

Last Answer : A single phase transformers is an electrical device that accepts single-phase AC power and outputs single-phase AC. PRINCIPLE... The single-phase transformer works on the principle of ... and secondary windings. Thin steel laminations shall be employed to prevent power losses from the core.

Description : Explain construction & working of attraction type M.I. instrument with neat diagram.

Last Answer : 1. Moving element: a small piece of soft iron in the form of a vane or rod.  2. In Attracted type a cylindrical coil or solenoid which is kept fixed. An oval-shaped soft-iron piece are ...   9. When = the pointer will be stable & we can get correct reading of the electrical quantity

Description : Explain construction & working of electrodynamometer type wattmeter.

Last Answer : Electrodynamometer Type Wattmeter:  Construction: It essentially consists of the fixed and moving coil. The fixed coil is split into two equal parts which are placed close together and parallel to each other. ... hence these instruments can be used for measurement of A.C. & D.C. power.

Description : Classify the transformers based on the construction, frequency and power.

Last Answer : Classification of Transformer Based On: i) Construction: Shell type, Core type, Berry type ii) Change in voltage level: Step-Up, Step-Down, iii) Number of phases: Single phase, Three phase iv) ... Control vi) Cooling: Self-cooled, Air-cooled, Forced-air cooled, Oil-cooled, Forced-oil cooled. 

Description : The core construction is like spokes of a wheel in following transformer:  (A) Berry Type Transformer (B) Core Type Transformer (C) Shell Type Transformer (D) None of the above

Last Answer : The core construction is like spokes of a wheel in following transformer:  Berry Type Transformer

Last Answer : The construction of a synchronous motor resembles an alternator.

Description : With regard to the Florida condo that collapsed yesterday - what are the chances that at least part of the cause will be tied to the Mafia?

Last Answer : It was determined before the building fell that it was sinking from one to three millimeters per year since it was built in the 1980’s. I suspect they may find faulty concrete. It may have also been a bit of sinkhole below the structure. Maybe. Sinkholes are known to exist in Florida.

Description : Which building would you say is the most important in the world?

Last Answer : Giza pyramids.

Description : When Disneyland or Disneyworld decides to build a new ride or a new castle, do they have to go to the County and pull a building permit for that?

Last Answer : I'm thinking yes. I believe Disney World crosses two counties, and I assume it does need city or county approval for development, and also state approval for compliance with state level water management. ... . However, like The Villages, I'm assuming Disney pays a lot to local and state politicians.

Description : Is it OK to walk on a composition shingle roof?

Last Answer : Wear soft soled shoes like sneakers and wait until the roof is cool to the touch, like early morning.

Description : Can a house really be built to survive hurricanes?

Last Answer : Yes, buildings (houses) can withstand even Cat 5 hurricane winds. Where they run into problems, though, is often the placement that gets affected by the storm surge or flooding from the deluge ... substantial amount. That's why North Carolina is facing such a huge problem recovering from Florence.

Description : What is the difference between cement and concrete?

Last Answer : Cement is the stuff that when mixed with water forms concrete. Concrete is a structure formed from cement.

Description : What kind of concrete is best for fence posts?

Last Answer : answer:I don't have a specific answer for your site and its wind issues. I have heard over and over that people regret quick-crete shortly after they have the job done. I have also heard it's ... badly. Will you be doing your own mixing, or having a concrete company do it? Moisture is everything.

Description : Why is it better to have a basement?

Last Answer : that is where you store the coal for the ovens.

Description : Anti mist and ultra violet ray glass coating?

Last Answer : answer:Most glass by it's very nature blocks ~90% of UV B but only ~10% of UV A. A special coating can block a little more UV B and a lot more UV A, but there is a big difference between UV ... to keep condensation from forming on the glass. Anti-mist? Do you mean anti-fog? Think of it as Rain-X.

Description : The glass used in museum displays?

Last Answer : I don’t know brand names or specifics, but I know that several museums have hardened (double baked) glass. Some others have small metallic wire – very narrow – for strength.

Description : How much does asphalt cost?

Last Answer : In my neighborhood, mid Atlantic USA, figure $5.00 per square foot. So figure something NORTH of $400,000. Maybe a half a million dollars with prep and engineering the curves

Description : Electrical troubleshooting: what's my next step (see details)

Last Answer : You call an electrician.

Description : Can I run a sink drain between the joists in my basement?

Last Answer : answer:I'm trying to visualize from your description, and here's what I have so far: Your kitchen sink drain routes into a concrete floor and from there somewhere through the concrete floor into the main drain ... , then I'd say that you need to abandon your plan or reroute all of the drain lines.

Description : What would you rather choose, asphalt or concrete?

Last Answer : answer:For what? ? Welcome to Fluther! It helps to get answers if your question is specific.

Description : Can you make a gunite pool larger?

Last Answer : answer:From just a quick google image search, it looks like they spray concrete over top of pre formed re-bar, so it would make it difficult to do but I imagine a crew with some heavy duty cutters ... , just ask the company. It will probably be cheaper but you never know what labor will be involved.

Description : Can you replace a support wall in a house with columns and remove the wall?

Last Answer : It takes a lot of structural engineering to remove a load-bearing wall, but it can be done. Usually, there will need to be a beam installed overhead to take the load, and possibly columns to support the ... t a load-bearing wall underneath it) would be less of a problem, but I'm not entirely sure.

Description : How can I punish a grocer for selling outdated pork products?

Last Answer : The best way to get back at them is to write a letter to your local newspaper and/or post on their Facebook page what has happened. No store wants this information publicized.