3582278879

3582278879



POWER ELECTRONICS LAB. EED

8) Connect a voltmeter across the gate -emitter and another voltmeter across the co 11 ector -emitter terminaLs

9)    Switch ON the230V AC supply

10)    Fix tlie gate- emitter voltage (V GE) using the pot,

11)    Smoothly vary the Collector-Emitter (VCE) Yoltage by varying tlie Pot> till tlie IGBT tums ON. Notę tlie Yoltmeter and Ammeter tle) readings

12)    Once turned ON. Increase tlie Vce and Notę change in current Ic

13)    Repeat tlie steps 5 & 6 for different values of Vce

14)    Notę the value of pincli OFF Yoltage from the grapli Ohservation.s:

a) Output Characteristics:

S.No.

^'GE (Cionaii

VcE

Ic

Expected Graphs:

Output characteristics

11


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