M.E. POWER SYSTEM 1ST SEM ADVANCE POWER SYSTEM PROTECTION RELAYS (MEPS-103)SYLLABUS
UNIT I
Protective Relays:Relaying review,characteristics and operating equations of relays.CT’s and PT’s differential relay,over-current relay, reverse power relay, distance relays,applications of relays.
UNIT II
STATIC RELAYS:Introduction, advantages and disadvantages,classification logic ckts, smoothing circuits, voltage regulator square wave generator, time delay ckts level detectors, summation device, sampling circuit, zero crossing detector, output devices. COMPARATORS: Replica Impedance, mixing transformers, general equation of phase and amplitude comparator, realization of ohm, impedance and off set impedance characteristics, duality principle, static amplitude comparators, coincidence circuit, Hall effect devices, Magneto receptivity, zener diode phase comparator multi input comparators.
UNIT III
Generator and transformer protection:Protective devices for system.Protective devices for stator, rotor, and prime mover of generator, percentage differential relays protection, three winding transformer protection, earth fault protection,generator transformer unit protection.
UNIT IV
Bus bar and transmission line protection:Distance protective schemes,directional wave detection relay. Phase compensation carrier protection.High impedance differential scheme, supervisory and check relay, Some features of 500 KV relaying protection.
UNIT V
Modern trends in power system protection:Different types of digital and computer aided relays, Microprocessor based relays, auto-re closing, frequency relays, under and over frequency relays, di/dt relays. Algorithms for transmission line, transformer & bus bar protection; out-of-step relaying Introduction to adaptive relaying & wide area measurements
REFERENCE BOOKS:
Protective Relays:Relaying review,characteristics and operating equations of relays.CT’s and PT’s differential relay,over-current relay, reverse power relay, distance relays,applications of relays.
UNIT II
STATIC RELAYS:Introduction, advantages and disadvantages,classification logic ckts, smoothing circuits, voltage regulator square wave generator, time delay ckts level detectors, summation device, sampling circuit, zero crossing detector, output devices. COMPARATORS: Replica Impedance, mixing transformers, general equation of phase and amplitude comparator, realization of ohm, impedance and off set impedance characteristics, duality principle, static amplitude comparators, coincidence circuit, Hall effect devices, Magneto receptivity, zener diode phase comparator multi input comparators.
UNIT III
Generator and transformer protection:Protective devices for system.Protective devices for stator, rotor, and prime mover of generator, percentage differential relays protection, three winding transformer protection, earth fault protection,generator transformer unit protection.
UNIT IV
Bus bar and transmission line protection:Distance protective schemes,directional wave detection relay. Phase compensation carrier protection.High impedance differential scheme, supervisory and check relay, Some features of 500 KV relaying protection.
UNIT V
Modern trends in power system protection:Different types of digital and computer aided relays, Microprocessor based relays, auto-re closing, frequency relays, under and over frequency relays, di/dt relays. Algorithms for transmission line, transformer & bus bar protection; out-of-step relaying Introduction to adaptive relaying & wide area measurements
REFERENCE BOOKS:
- Power System Protection and Switchgear, B.Ram – Tata Mc-Graw Hill Pub.
- Switchgear and Protection, M.V.Deshpande - Tata Mc-Graw Hill Pub.
- Power System Protection & Switchgear, Ravindra Nath, M.Chander, Willy P
- Computer Relaying for power system, Arun Phadke, James Thorp, Johns W P
- Power System Protection, M.A.Date, Bharti Prakashan, Vallabh Vidya N,(Guj).
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