presentation on power transmission

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PowerPoint Presentation:

USMAN ALI L1F11BSEE2166 C UNIVERITY OF CENTRAL PUNJAB

PowerPoint Presentation:

ELECTRICAL POWER ……….TRANSMISSION……….

CONTENTS:

CONTENTS HISTORY BULK POWER TRANSMISSION OVERHEAD TRANSMISSION HIGH VOLTAGE DIRECT CURRENT LIMITATIONS HEALTH CONTROL

HISTORY:

HISTORY INVENTION OF GRID STATIONS RESTRICTED TO DISTANCE

BULK POWER TRANSMISSION:

BULK POWER TRANSMISSION TRANSMISSION NETWORK POWER LINES CABLES CIRCUIT BREAKERS SWITCHES & TRANSFORMERS

OVERHEAD TRANSMISSION:

OVERHEAD TRANSMISSION An overhead power line is an electric power transmission line suspended by towers or utility pole s .

OVERHEAD TRANSMISSION:

OVERHEAD TRANSMISSION

HVDC:

HVDC A high-voltage, direct current (HVDC) electric power transmission system uses direct current for the bulk transmission of electrical power. For long-distance transmission, HVDC systems may be less expensive and suffer lower electrical losses.

PowerPoint Presentation:

Long distance HVDC lines carrying hydroelectricity from Canada's Nelson river to this station

LIMITATIONS:

LIMITATIONS OVER HEATING

Health concerns:

Health concerns Some large studies, including a large United States study, have failed to find any link between living near power lines and developing any sickness or diseases such as cancer.

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