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EHV AC and HVDC Transmissions IPU EEE notes and question paper free download - Dipesh S - 05-04-2017
SYLLABUS:-
UNIT- I
EHV AC Transmission System: Fundamental design aspects of EHV AC transmission lines and their power carrying capabilities; EHV AC Transmission lines analysis – nominal and equivalent circuits; Problems related with long lines: corona loss, audible noise generation and characteristic corona pulses, RI effect, ferro-resonance, principle of half wave transmission.
UNIT- II
Reactive Power Management in EHV AC System: Reactive power management of power system, reactive power problems associated with EHV AC systems; Reactive power devices – their operation and control, series and shunt compensation of EHV AC system, different equipment and scheme details with analysis, application of FACTS Technology.
Extra High Voltage Testing: Characteristics and generation of impulse voltage, generation of high AC and DC voltages, measurement of high voltage by sphere gaps and potential dividers.
UNIT- III
HVDC Transmission: Fundamental aspects of HVDC systems and their comparison with EHV AC Systems; Different types of HVDC Schemes with their basic details, HVDC Equipment and their ratings, construction and characteristics; Power Converter circuits associated with HVDC systems, design aspects of 12- pulse converters, simple design problems of HVDC Systems.
UNIT-IV
HVDC System Control: Types of DC link, principle of dc link control, converter controls characteristics, firing angle control, current and excitation angle control, power control, starting and stopping of dc link, Harmonic Filters – HVDC current and voltage filters, different types of filters, Fundamental aspects of HVDC circuit breaking, MTDC systems: types, control and application.