- Departments / Centres
OBJECTIVE : To teach all the circuit theorems and solution of d.c. , single phase and three phase a.c. circuits.
Review of Basic concepts - D.C. and A.C. circuits - R , L and C elements - phasor diagram - complex impedance- real and reactive power - series and parallel circuits - loop and nodal analysis.
Voltage - current source transformation - star-delta transformation - superposition - reciprocity - substitution - Thevenins - Norton's - Maximum power transfer theorems.
Series and parallel resonance - bandwidth - Q factor - inductively coupled circuits - coefficient of coupling - dot convention - multi - winding coupled circuit - analysis of coupled circuit.
Solution of balanced 3Ø circuits - power and power factor calculations by two wattmeter method - solution of unbalanced circuits.
Time response of RL, RC and RLC circuits for zero input and step and sinusoidal inputs using laplace transform method.