OVERHEAD LINES – TYPES OF CONDUCTORS & SUPPORT STRUCTURES. CALCULATION OF INDUCTANCE &
CAPACITANCE OF OVERHEAD LINES & CABLES.
TYPES OF INSULATORS IN TRANSMISSION LINES – STRING EFFICIENCY.
DESIGN OF OVERHEAD LINES – SAG, TENSION, SPACING FOR EHV LINES, CORONA LOSS – RELATED IEE RULES.
CABLES – DIELECTRIC STRESS & GRADIENT, LEAKAGE, LOSS & HEATING – CAUSES OF FAILURE.
PERFORMANCE OF LINES – SHORT, MEDIUM & LONG LINES, NOMINAL & EQUIVALENT T & Π CIRCUIT
REPRESENTATION, SURGE IMPEDANCE, FERRANTI EFECT, REGULATION & LINE LOSS.
PER UNIT SYSTEM – ADVANTAGE, CONVERSION OF IMPEDANCE & CHANGE OF BASE FOR ALTERNATORS &
TRANSFORMERS ( DIFFERENT 3 PHASE CONNECTIONS)
POWER TRANSMISSION – EXPRESSION FOR ACTIVE & REACTIVE FLOW & ITS EFFECT ON BUS VOLTAGE. PHASE
SHIFT & TORQUE ANGLE.
GROUNDING SYSTEMS – PROTECTION AGAINST SYMMETRICAL FAULT, COMPUTATION OF BREAKER RATING.
ASYMMETRICAL FAULTS – ANALYSIS USING POSITIVE, NEGATIVE & ZERO SEQUENCE COMPONENTS.
DIFFERENTIAL PROTECTION OF BUS BARS, ALTERNATORS, TRANSFORMERS. USE OF C.T. & P.T IN POWER
SYSTEM. SEQUENCE SEGREGATION FILTER FOR UNBALANCED FAULT COMPONENTS.