Page 607 - Ultimate Visual Dictionary (DK)

RENEWABLE ENERGY
Anemometer
Gearbox
Oil cooler
Wind vane
Generator

Service
crane

WIND TURBINES IN A WIND FARM
HOW A GENERATOR Slip ring Carbon
WORKS collects current brush
from coil collects
current
North
from slip
magnetic pole
ring
Wire coil rotates
inside magnet
Wind or
water flow
through turbine
rotates shaft
Hydraulic South Moving the wire past a
unit magnetic pole magnet makes a current
flow through it
FIRST HALF TURN
Electronic North
Yaw ring controller
magnetic pole
Coil makes
half a turn
Yaw control

Direction of current
SOLAR POWER reverses every half turn
South
magnetic pole
Antireflective
coating Electric SECOND HALF TURN
Glass Electrons current
flow out powers
of cell external Solar panel
Sunlight load containing
photovoltaic
cells
Contact
grid

N-type
silicon
Junction Power
lead-out
P-type Electrons wires
silicon flow back
to cell
Light knocks Waterproof
Back contact electrons out cable
grid of atoms connector
HOW A PHOTOVOLTAIC CELL WORKS SOLAR PANEL

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