Interested to Buy Any Domain ? << Click Here >> for more details...
What is IGBT?Where it is used? What is the difference
between IGBT and Thyristor?
- 5 Answers
- 65005 Views
- AC, Formo Plastic, HBL Power Systems, SECL, I also Faced
- E-Mail Answers
Answer Posted / anand
the full form of igbt is insulated gate bipolar transistor.
it is constructed from the combining of both BJT and PMOSFET.
it has high input impedance and low on - state power loss .
it is free from second break down problem present in bjt...
it is also known as (MOSIGT), (COMFET)...
it is constructed virtualy in the same manner as a power
MOSFET.an IGBT has also thousand of basic structure cells
connected appropritely on a single chip of silicon.
it has a four substrate p,p+,n+,n-. respectively...
p+ substrate is called injection layer because it injects
holes into n- layer .n- layer is called drift region .
thickness of the n- layer determines the voltage blocking
capability of IGBT.
the p layer is called body of the IGBT.
WHERE IT IS USED : it is widely used in medium power
application such as DC and AC motors drives.
UPS SYSTEMS , RELAYS AND CONTACTORS.
In thyristor the gate is triggered the gate is losses its
control. ie if we remove the gate pulse after the thyristor
starts conducting it will not stop.
but in IGBT we can control the Gate. by applying reverse
voltage applied across it .
| Is This Answer Correct ? | 97 Yes | 14 No |
Post New Answer View All Answers
what will happen if ac and dc supplies given
How REF protects transformer alone? explain with diagram.
What are the section criteria for cables. Now everywhere XLPE power cable is used or PVC is also used?.
if a number of plc s are there then how many modbus to be used
how can i use REF and diffrencial relay both in 1 CT core for transformer protection?
3- What is the target from Zero Impedance, Single Phase Imp., S/C Imp. and magnetic balance tests?
What are m circles?
What does the term power factor shows?
How we calculate the size of ht cable for any transformer
what happens if dc supply is given and the remedies for it.
How to minimize the eddy current losses?
what is accuracy ? in any meters , coils accuracy . how can u defined that ?
why Y CONNECTION IS BETTER INTERMS OF EFFICIENCY AND P.F FOR A LAOD LESS THAN 40% AND WHY AFTER DELTA IS BETTER FOR > 40%
How to select the earthing transformer,for DELTA TO DELTA TRANSFORMER OR ALTERNATOR SIDE.Pls post your answers and calculation.
How to calculate the current of Highpressure Mercury Vapour Lamp?what is the basis?whether we have to consider power factor or not?
