Book Description
UNIT I - ELECTRICAL CIRCUITS ANALYSIS Ohms Law, Kirchhoff's Law-Instantaneous power- series and parallel circuit analysiswith resistive, capacitive and inductive network - nodal analysis, mesh analysisnetworktheorems - Thevenins theorem, Norton theorem, maximum power transfertheorem and superposition theorem, three phase supply-Instantaneous, Reactive andapparent power-star delta conversion.UNIT II - ELECTRICAL MACHINES DC and AC rotating machines: Types, Construction, principle, EMF and torqueequation, application Speed Control- Basics of Stepper Motor - Brushless DC motors-Transformers Introduction- types and construction, working principle of Idealtransformer - EMF equation- All day efficiency calculation.UNIT III - UTILIZATION OF ELECTRICAL POWER Renewable energy sources-wind and solar panels. Illumination by lamps- SodiumVapour, Mercury vapour, Fluorescent tube. Domestic refrigerator and air conditioner-Electric circuit, construction and working principle. Batteries-NiCd, Pb Acid andLi ion-Charge and Discharge Characteristics. Protection-need for earthing, fusesand circuit breakers. Energy Tariff calculation for domestic loads.UNIT IV - ELECTRONIC CIRCUITS PN Junction-VI Characteristics of Diode, zener diode, Transistors configurations- amplifiers. Op amps- Amplifiers, oscillator, rectifiers, differentiator, integrator, ADC, DAC. Multi vibrator using 555 Timer IC . Voltage regulator IC using LM723, LM 317.UNIT V - ELECTRICAL MEASUREMENT Characteristic of measurement-errors in measurement, torque in indicating instruments-moving coil and moving iron meters, Energy meter and watt meter. Transducers-classification-thermo electric, RTD, Strain gauge, LVDT, LDR and piezoelectric.Oscilloscope-CR
