10ECL78 POWER ELECTRONICS LAB VTU Syllabus

POWER ELECTRONICS LAB
Subject Code	: 10ECL78	IA Marks	: 25
No. of Practical Hrs/Week: 03		Exam Hours	: 03
Total no. of Practical Hrs. : 42		Exam Marks	: 50

Any five converter circuits experiment from the below list must be simulated using the spice-simulator.

·Static characteristics of SCR and DIAC.

·Static characteristics of MOSFET and IGBT.

·Controlled HWR and FWR using RC triggering circuit

·SCR turn off using i) LC circuit ii) Auxiliary Commutation

·UJT firing circuit for HWR and FWR circuits.

·Generation of firing signals for thyristors/ trials using digital circuits / microprocessor.

·AC voltage controller using triac – diac combinatio n.

·Single phase Fully Controlled Bridge Converter with R and R-Lloads.

·Voltage (Impulse) commutated chopper both constant frequency and variable frequency operations.

·Speed control of a separately exited DC motor.

·Speed control of universal motor.

·Speed control of stepper motor.

·Parallel / series inverter.

Note: Experiments to be conducted with isolation transformer and low voltage.