Notebook
HOW POWER GETS TO OUR HOMES
5
Power station
Is a place for making electricity
Transformers
Change voltage up to 400,000 volts
POWER LINES
Substations TRANSFORMERS CHANGE VOLTAGE DOWN TO 11,000
VOLTS.
MAINS POWER SUBSTATIONTHE VOLTAGE IS REDUCED TO 400,000 VOLTS
BECAUSE THEY TRAVEL A LONG DISTANCE
WOODEN POLESFINALLY,WODEN POLES CARRY CABLES TO DIFFERENT
BUILDINGS HOUSES,SCHOOLS AND SHOPS...
By GROUP A MARC, FATIMA, JORDI MARTIN,ALEJANDRO,ABDELLAH ROGER,
DAVID, LAIA, YASSIN
???Pgina ??? (???)21/10/2009, 14:54:34Pgina /
