Transcript VAST electricity wind solar 112015

Electricity Basics:
An Introduction to Renewable Energy
Remy Pangle
Center for Wind Energy
James Madison University
Voltage (V) = pressure
Current (A) = flow
Power (W) = work
Energy (kWh) = work over time
Direct Current (or Voltage) = one direction
Alternating Current (or Voltage) = changes
“One light goes out, they all go out!”
?
?
1.
2.
3.
4.
5.
Build an circuit with a battery to light two bulbs in
series with one switch
Rewire in parallel with two switches
Rebuild parallel circuit with solar panel or wind
turbine
Build house
Install circuit in house
Measure Voltage from Battery: _________ V

Wind power is the
conversion of kinetic energy
in the wind to electrical
energy.
 The wind turns the blades
which are attached to a rotor.
The rotor spins and that is
mechanical energy.
 The shaft turns a generator
which creates electricity.
 The electricity is then added
to the grid.

Needed:
 Conductor – loop of wire
 Magnetic field –
electromagnets

Conductor moves within
the magnetic field
 Conductor rotates through a
magnetic field
 Magnets move back and
forth through a looped wire

Wind turbine blades work on
the principle of Lift – like an
airplane

As the wind passes over the
blade, high and low pressure
systems are formed due to
differences in the speed of the
wind passing over the blade
creating lift and rotating the
blades
1.
2.
3.
4.
5.
Build an circuit with a battery to light two bulbs in
series with one switch
Rewire in parallel with two switches
Rebuild parallel circuit with solar panel or wind
turbine
Build house
Install circuit in house
Measure Voltage from Panel or Turbine: _________ V

Wind for Schools
 CWE provides met tower installations
 CWE provides small turbine project development
assistance
 NEED and KidWind have curricula

Solar for Schools
 CWE provides solar PV loans and project development
assistance
 NEED has curricula
 Dominion has grant program
•
Davis Weather
Stations
•
WeatherBug Stations
•
Oregon Scientific
Weather Stations
•
Others




20 meter
34 meter
50 meter
60 meter
•
SkyStream
• 6ft blades
• 3.4 kW
•
Bergey
• 3ft - 10ft blades
• 1kW, 5kW or 7.5/10 kW
•
Air
• 1.5ft blades
• 400W

Solar Panels

Solar Hot Water
Tubes

The Center for Wind Energy can help!
 All resources are FREE online at our website –





wind.jmu.edu/education
We can help you build renewable energy modules
using available curricula and choose the best activities
for your goal
We can visit your classroom and work with your kids
You can bring your class to JMU to see our technology
and do activities
We can hold a teacher training workshop for your
school or district
Participate in the KidWind Challenge!
NWF
Eco Schools USA
GIS and Mapping
Nature of Science
Energy and
Conservation
 Generating Electricity
 Wind Energy









Intro activities
Measuring the wind
Community impacts
How wind turbines work
Solar Energy
Ocean Energy

Middle (4th-8th grade) and High School (9th-12th grade) Divisions

Design, build and test working wind turbine and present to
judges about their design, documentation and knowledge

Online Challenges

Virginia Qualifying Challenges
 Virginia Beach (March 15th at Aquarium)
 Northern Virginia (April 6th at GMU)
Winners from Online and Qualifying Challenges
invited to National Challenge at the
US Science and Engineering Festival in DC in April 2016
Remy Pangle
Center for Wind Energy at JMU
[email protected]
http://wind.jmu.edu
WHERE IS IT WINDY?
LAND-BASED WIND
Virginia Offshore Wind Technology
Advancement Project
 Dominion was among seven
projects selected nationally by the
U.S. Department of Energy
 Project to be located
approximately 27 miles (~24
nautical miles) off the coast of
Virginia
 Will install two Alstom 6-megawatt
turbines on innovative foundations
(enough to power up to 3,000
homes)
 Scheduled to be operational in
2017, subject to pursuing and
obtaining applicable regulatory
approval(s).