Page 607 - (DK) The Ultimate Visual Dictionary 2nd Ed.

Renewable ene R g y
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
North current
magnetic pole from slip
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
South reverses every half turn
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
P-type Electrons lead-out
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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