working of igbt in ppt
#1

Working of lGBT with circuit diagram
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#2

The term IGBT is a short form of bipolar isolated gate transistor, it is a semiconductor device of three terminals with an enormous capacity of transmission of bipolar current. Many designers think the IGBT has a characteristic voltage-controlled bipolar device of CMOS type i / p and bipolar o / p. Therefore, this device is designed to make use of the benefits of BJT and MOSFET devices in the form of monolithic. It combines the best qualities of both to achieve the characteristics of an optimal device.


This device is suitable for various applications such as those used in power electronics, particularly in PWM (Pulse Width Modulation), UPS (Uninterruptible Power Supplies), SMPS (switching mode power supplies) and other power circuits. Increases efficiency, dynamic performance and reduces audible noise level. It is similarly mounted in the resonant mode converter circuits. The optimized IGBT is accessible for low switching losses and low conduction loss.

[Image: IGBT-Symbol.jpg]
IGBT Symbol

The IGBT (isolated gate bipolar transistor) is an electronic component of three terminals, and these terminals are referred to as emitter, manifold and gate. Two of its terminals, namely collector and emitter, are associated with a conductance path and the remainder of terminal "G" is associated with its control. The sum of the amplification is achieved by the IGBT is a radio between its input and output signal. For a conventional BJT, the amount of gain is almost equal to the radius of the current o / p to the current i / p that is called beta.
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