TOPIC:

WIND ENERGY

WIND ENERGY WIND ENERGY

Energy of wind can be used for the Energy of wind can be used for the generation of electrical energy.generation of electrical energy.

The potential of wind energy source of The potential of wind energy source of power is large.Wind energy which is an power is large.Wind energy which is an

indirect source of energy can be utilized to indirect source of energy can be utilized to run wind mill which in turn derive generator run wind mill which in turn derive generator

to produce electricity.to produce electricity.

Characteristics of wind Characteristics of wind energyenergy

Wind power system is non-polluting.Wind power system is non-polluting. It is renewable source of energy.It is renewable source of energy. The energy generated by wind-power The energy generated by wind-power

system is cheaper when produced on system is cheaper when produced on

smaller scale.smaller scale. Wind energy system avoids fuel Wind energy system avoids fuel

provision and transport.provision and transport.

Following problems are Following problems are associated with wind energyassociated with wind energy

Wind energy is fluctuating in nature.Wind energy is fluctuating in nature.

Because of its irregularity it needBecause of its irregularity it need

storage device.storage device.

There is sufficient noise produced byThere is sufficient noise produced by

wind energy power generating system.wind energy power generating system.

Wind millWind mill Wind energy is used to run wind mill Wind energy is used to run wind mill

which in turn derives a generator to which in turn derives a generator to produce electricity.produce electricity.

A wind mill converts the A wind mill converts the kinetic energy of moving air into kinetic energy of moving air into mechanical motion that can be either mechanical motion that can be either Use directly to run the Use directly to run the machine or to turn the generator to machine or to turn the generator to produce electricity. produce electricity.

Types of wind millsTypes of wind mills

Horizontal axis wind mills.Horizontal axis wind mills.• Multi blade type wind mill.Multi blade type wind mill.• Sail type wind mill.Sail type wind mill.• Propeller type wind mill.Propeller type wind mill.

Vertical axis wind mills.Vertical axis wind mills.• Savionius type wind mill.Savionius type wind mill.• Darrieus type wind mill.Darrieus type wind mill.

Cooling of homes.Cooling of homes. Space heating for operating Space heating for operating

irrigating.irrigating. Navigational signals.Navigational signals. Offshore drilling operations. Offshore drilling operations.

USES OF WIND POWER

WIND TURBINE

Wind energy conversion devices are commonly known as wind turbine because they convert the energy of wind stream into energy of rotation.

ROTAR

Component which rotates is called rotor.

DIFFERENCE BETWEEN DIFFERENCE BETWEEN VERTICAL AXIS WIND MILL VERTICAL AXIS WIND MILL

AND AND

HORIZENTAL AXIS WIND MILL.HORIZENTAL AXIS WIND MILL. Vertical axis wind mill are of simple Vertical axis wind mill are of simple

design as compared to the horizontal design as compared to the horizontal axis. Horizontal axis axis. Horizontal axis

Wind mill may be single bladed, Wind mill may be single bladed, double bladed or multi bladed.double bladed or multi bladed.

VARIOUS PART OF WIND VARIOUS PART OF WIND ELECTRIC GENERATOR POWER ELECTRIC GENERATOR POWER

PLANTPLANT

Wind turbine or rotor.Wind turbine or rotor.

Wind mill head.Wind mill head.

Generator.Generator.

Supporting structure.Supporting structure.

Wind electric generator power Wind electric generator power plantplant

Horizontal axis type mill windHorizontal axis type mill wind

Vertical axis type wind millVertical axis type wind mill

THE ENDTHE END