San Jose Power Plant

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1 /GE Renewable Energy

2/19/2009

1.8MW Wind PowerPlant

in San Jose, Dinagat

A proposal to construct a

Ara Reyna D. Mamon

Diolito B. Igloria, Jr.Urbano M. Desierto III


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Wind Power Wind Power Plant Wind Energy & Power

Power Plant Proposal About San Jose, Plant Specifics

Discussions Economic & Environmental Aspect
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2/19/2009

The earth receives 1.74 x1017 watts of power (per

hour) from the sun

About one or 2 percent of thisenergy is converted to windenergy (which is about 50-100times more than the energyconverted to biomass by allplants on earth (www.windpower.org)

Energy in Wind


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2/19/2009

Kinetic Energy = Work =

mV2

Where:

M= mass of moving object

V = velocity of moving object

V

A

d

What is the mass ofmoving air? = density () xvolume (Area x distance)

= x A x d

= (kg/m3) (m2) (m)

= kg

Kinetic Energy in Wind


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2/19/2009

R

Power = Work / t

= Kinetic Energy / t= mV2 / t

=(Ad)V2/t

=AV2(d/t) = AV3

A = R2 (m2) Area of the circle swept

by the rotor.

= air density(kg/m3)

Power in Wind

V

A

d


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2/19/2009Wind Turbine Power

Power from a Wind TurbineRotor

CpAV3

>Cp is called thepower

coefficient.>Cp is the percentage ofpower in the wind that isconverted into mechanical

energy.

What is the maximumamount of energy that

can be extracted from the


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in 1919 Betz concluded that nowind turbine can convert morethan 16/27 (59.3%) of the kineticenergy of the wind intomechanical energy turning a

rotor.

To this day this is known asthe Betz Limit or Betz' Law.

This limit has nothing to do withinefficiencies in the generator,

but in the very nature ofwindturbines themselves.

AlbertBetz


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Wind Power Wind Energy & Power Wind Power Plant

Power Plant Proposal About San Jose, Plant Specifics

Discussions Economic


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2/19/2009

1. The moving air spins the turbine blades. The blades areconnected to a low-speed shaft. When the blades spin,the shaft turns.

1. The low-speed shaft is connected to a gearbox. Inside, alarge slow-moving gear turns a small gear quickly.

1. The small gear turns another shaft at high speed.

1. The high-speed shaft is connected to a generator. As theshaft turns the generator, it produces electricity.

1. The electric current is sent through cables down theturbine tower to a transformer that changes the voltage of

the current before it is sent out on transmission lines.

The Wind Turbine


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2/19/2009


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Power Plant Proposal Plant Specifics About San Jose,

Discussions Economic Considerations


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2/19/2009

consists of twelve (12) municipalities population of more than 30, 000 adults

or at most 6, 000 households

San Jose also hosts a number of beach

resorts and recreation centers. presently powered by a diesel power

plant with installed capacity of 1.93 MWwhich operates for 18 hours a day

at other times of the day, San Jose isdeprived of electricity

San Jose, Dinagat


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2/19/2009

Dinagat Island exhibits moderatewind resource.

This means that Dinagat Islandcan harness wind energy at a rate

of 200-300 W/m2 with a windspeed of 5.6-6.4 m/s.

At this rated wind speed and witha fairly sized wind farm, the total

demand of San Jose can be met.

Wind Energy Resource Atlas of the Philippines

-National Renewable Energy Laboratory (NREL)

San Jose, Dinagat


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2/19/2009Geographical Location


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2/19/2009Load Survey


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0

2

4

6

8

10


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0 2 4 6 8 10 12


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Lay-outs

Transmission and Substation

Layout

Transmission and Substation LayoutTransmission and Substation Layout

Site development Plant

Site development PlantSite development PlantFloor PlanFloor Plan

Floor PlanFloor Plan


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2/19/2009

FloorPlan


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2/19/2009

Sitedevelopment Plant


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Transmission and

SubstationLayout


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Wind Turbine: Vestas V82 3 wind turbines at 1.65MW rated

capacity each

Specifications


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2/19/2009

Pie Chart of Overall Capital Cost

Economic Considerations


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2/19/2009Wind Turbine Cost

Equipment Quantity Unit Price Total

Vestas V82, 1,65 MW, 60 Hz (IEC

Class II)

3 $2,800,00.00 $8,400,000.00

Including :

Delivery to the Delivery Point

Tower, 80 meter hub height, IEC II,

4 sections

Advanced Grid (LVRT) option

Low temperature package

Power factor correction

Packing of Turbine Nacelles, BladeSets and Towers at the factory

Import duties

Commissioning of Wind Turbines

Technical Advisors in accordance

with the Agreement

Customer Training

Vestas Online Business SCADA

Total Price:

$8,400,000.00


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Particulars Percent Cost Total (Php)

Civil works 13% 84,235,688.47

Electrical Infrastructure 8% 51,837,346.75

Grid Connection 6% 38,878,010.07Project Management 1% 6,479,668.344

Installation 1% 6,479,668.344

Insurance 1% 6,479,668.344

Legal Cost 2% 12,959,336.69

Bank Fees 1% 6,479,668.344

Interest during

construction2% 12,959,336.69

Development cost 1% 6,479,668.344

Wind Turbine cost 64% 414,698,774.00

Total 100%

PhP

647,966,834.40

Total Capital on Equipments

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San Jose Power Plant

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