presentation on power transmission

Views:
 
     
 

Presentation Description

No description available.

Comments

Presentation Transcript

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.