Thailand Solar Tracker System (Eng1)

8/18/2019 Thailand Solar Tracker System (Eng1)

1/23

Mr.Pinij Siripuekpong

Assistant Director of

Research and Development Office

Electricity enerating Authority of !hailand

Appropriate !echnologyAppropriate !echnology

for for

Solar !racking SystemSolar !racking System


2/23

OutlineOutline

" #ackground#ackground

" !he Principle of Solar !racking System!he Principle of Solar !racking System

" Design and componentsDesign and components

" !esting!esting

" $onclusion$onclusion


3/23

BackgroundBackground

% P& solar 'ater pumping system 'ill (e startedP& solar 'ater pumping system 'ill (e started at )*+, and stopped at -*,,at )*+, and stopped at -*,,

% !he most simple and principal 'ay to get more!he most simple and principal 'ay to get more

energy output from the P& modules is rotatingenergy output from the P& modules is rotating

the modules follo'ing the sun as it or(its fromthe modules follo'ing the sun as it or(its from

the East to the /est during the day.the East to the /est during the day.

% !he pro(lems of solar tracking system are *%!he pro(lems of solar tracking system are *%

0 1mported tracking system 2high investment cost30 1mported tracking system 2high investment cost3 0 4o spare parts for maintenance0 4o spare parts for maintenance

0 high energy consumption for tracking system0 high energy consumption for tracking system


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!he amount of electrical energy generated from P& panels!he amount of electrical energy generated from P& panels

depends ondepends on incident angles5projected areasincident angles5projected areas

Projected AreaProjected Area

Collector AreaCollector Area

PV panelsPV panels


5/23

$omparison of Solar Energy$omparison of Solar Energy 2Stationary vs. !racked32Stationary vs. !racked3


6/23

Photovoltaic Solar Water PumpPhotovoltaic Solar Water Pump

Storage Tank

Contr

oller

Water Pipe line

PV Solar Panels

Filter Tank


7/23

$umulative P& 1nstallation in !hailand$umulative P& 1nstallation in !hailand

226,,-6,,-33

Applications Peak k/ installedApplications Peak k/ installed

- Water pumping 1061.3- Water pumping 1061.3

- Stand alone for home village 195.3- Stand alone for home village 195.3

- Batter charging !tation 1"#1.3- Batter charging !tation 1"#1.3- $elecommunication repeater 1%513.0- $elecommunication repeater 1%513.0

- &emote primar !chool 165.0- &emote primar !chool 165.0

- &emote health care #1.0- &emote health care #1.0 - 'avigation aid 1".0- 'avigation aid 1".0

- ()rid*+rid ,nterface #.3- ()rid*+rid ,nterface #.3

- /i!cellaneou! 1#3.3- /i!cellaneou! 1#3.3

!otal 7-8.!otal 7-8.


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O(jectivesO(jectives

!he Design of Solar !racking System for P& 'ater

pumping system aims to

%* et more volume of 'ater5Day%* et more volume of 'ater5Day%* 9se local materials%* 9se local materials

%* :o'er maintenance and system cost%* :o'er maintenance and system cost

%* et more relia(ility ; (etter performance from%* et more relia(ility ; (etter performance from

P& system than stationary one usedP& system than stationary one used


9/23

!ake Moment 5 $onsider a(out $enter of ravity!ake Moment 5 $onsider a(out $enter of ravity

G

'<

'-

'6'R

'+

FulcrumFulcrum

∑=

=n

i

& W W

-

&

n

i

ii

&

n

i

ii

&

n

i

ii

W

W 0

0

W

W

W

W 1

1

∑∑∑=== === --- 77

x

y

z

,-

==

∑=

&

n

i

ii

W

W

!he Principle of Solar !racking System!he Principle of Solar !racking System

WaterWater


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$onceptual Design of Solar !racking System$onceptual Design of Solar !racking System

-. Single a=is Solar !racking System 2E%/ tracking direction3-. Single a=is Solar !racking System 2E%/ tracking direction3

- Solar $rac2ing ha! )een in!talled in '-S ai!%- Solar $rac2ing ha! )een in!talled in '-S ai!%- $ilt angle 15- $ilt angle 15oo facing South4facing South4

6. !he (asic principle to follo' the Sun is (y transfering a 'ater 6. !he (asic principle to follo' the Sun is (y transfering a 'ater

to one side and drain off another sideto one side and drain off another side

- ) u!ing # pipe! for counter eight and ater from !torage tan2- ) u!ing # pipe! for counter eight and ater from !torage tan2

+. 9se sensors and controllers for controlling pumps automatically+. 9se sensors and controllers for controlling pumps automatically

- 78 are u!ed a! a !en!or of the !un direction hich create !ignal!- 78 are u!ed a! a !en!or of the !un direction hich create !ignal! to control valve!.to control valve!.

- imit !itche! are u!ed to limit the end po!ition of !olar trac2ing - imit !itche! are u!ed to limit the end po!ition of !olar trac2ing

!!tem hen the !un or)it! out of the limit po!ition in the morning !!tem hen the !un or)it! out of the limit po!ition in the morning

and eveningand evening eft&ight4eft&ight4


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$omponent of ome

Small PumpSmall Pump

Small PumpSmall Pump


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$omponent of -., k/p Solar !racking System$omponent of -., k/p Solar !racking System

for P& /ater Pumpingfor P& /ater Pumping

PVC pipePVC pipeControl ValvesControl Valves

Sensor and controllerSensor and controller

Control ValvesControl Valves


13/23

4 3 2 1

EW

EW4 3 2 1

AB

EW 43

21

AB

EW4 3 2 1

A C

!he Principle Sensor for !racking System!he Principle Sensor for !racking System

EW

43

21

A C

$ase* Reversing$ase* Reversing$ase* !racking Sun$ase* !racking Sun


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:oad ; Data :ogger

Solar !racking Solar $ells

Stationary Solar $ells Sensor;$ontroller

/ater Pump

Details of Solar !racking System -Details of Solar !racking System -

6 PV panels 66 PV panels 6

x !" Wpx !" Wp #"$ Wp #"$ Wp


15/23

Solar !racking Solar $ells

Stationary Solar $ells

$ontrol &alve

Details of Solar !racking System 6Details of Solar !racking System 6

PV panels %#PV panels %#

x !" Wpx !" Wp %$"$ Wp %$"$ Wp

:oad ; Data :ogger

Sensor;$ontroller


16/23


17/23

Energy Output ; Solar RadiationEnergy Output ; Solar Radiation !racking vs. 4on%!racking!racking vs. 4on%!racking

6) 4ovem(er 6,,+6) 4ovem(er 6,,+

-

100.00

200.00

300.00

400.00

500.00

600.00

700.00

800.00

900.00

1,000.00

600 800 1000 1200 1400 1600 1800

S o l a r R a d i a t i o n ( W / m

2 )

-

50.00

100.00

150.00

200.00

250.00

300.00

350.00

400.00

450.00

500.00

P o w r (

W )

Solar &adiation ' (on TrackingSolar &adiation ' TrackingPo)er ' (on TrackingPo)er ' Tracking

Solar &adiation ' (on*Tracking 6+$%$,-! Wh.m/ .0ay

Tracking !+//1,#" Wh.m/ .0ay

2 3ncrease /$,%!2

4nergy ' (on*Tracking /+$%","# Wh.0ay

Tracking /+"#-,1! Wh.0ay

2 3ncrease /6,#-2


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&ariation of Energy Output&ariation of Energy Output

!racking vs. 4on%!racking!racking vs. 4on%!racking

DA!A * 4O&EM#ERDA!A * 4O&EM#ER /$$1/$$1

0.00

500.00

1,000.00

1,500.00

2,000.00

2,500.00

3,000.00

1 - ! o "

2 - ! o "

3 - ! o "

4 - ! o "

5 - ! o "

6 - ! o "

7 - ! o "

8 - ! o "

9 - ! o "

1 0 - ! o "

1 1 - ! o "

1 2 - ! o "

1 3 - ! o "

1 4 - ! o "

1 5 - ! o "

1 6 - ! o "

1 7 - ! o "

1 8 - ! o "

1 9 - ! o "

2 0 - ! o "

2 1 - ! o "

2 2 - ! o "

2 3 - ! o "

2 4 - ! o "

2 5 - ! o "

2 6 - ! o "

2 7 - ! o "

2 8 - ! o "

2 9 - ! o "

3 0 - ! o "

# n r $ % & ' t ' t ( W

/ * a

Non-Tracking Tracking Solar +ll S)ll Solar 6


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Compared Solar&adiation

(on*tracking.TrackingSystem

First 5odel

Second 5odel

0.00

1.00

2.00

3.00

4.00

5.00

6.00

7.00

8.00

May June Nov Dec Month

k W h / s q . m . / d a

Solar a!ia"ion#non-"racking

Solar a!ia"ion#"racking

C d PV


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-

500

1$000

1$500

2$000

2$500

3$000

May June Nov Dec Month

W h / d a

%nergy#non-"racking

%nergy#"racking

Compared PV4nergy rom

(on*tracking.Tracking

System

First 5odel

Second 5odel

3ncrease /$,1$23ncrease /$,1$2

3ncrease /$,6#23ncrease /$,6#2

3ncrease /1,/-23ncrease /1,/-2

3ncrease /$,--23ncrease /$,--2


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System cost for Solar >omeSystem cost for Solar >ome

-.-.


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System cost for Solar PumpSystem cost for Solar Pump

-.-. -,, /p of Solar $ells 2? /p* -< panels3 5 - solar !racker-,, /p of Solar $ells 2? /p* -< panels3 5 - solar !rackersetset

6. !he net electrical energy output is increased @ 6, higher than6. !he net electrical energy output is increased @ 6, higher than

4on%tracking system 4on%tracking system

+. 1n reverse7 the installation of P& module less to 6-, /att peak7+. 1n reverse7 the installation of P& module less to 6-, /att peak7

'hich cost a(out C


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$onclusion$onclusion

!he invention of Solar !racking System helps us improve!he invention of Solar !racking System helps us improve

thethe performance performance ooff P& solar systemP& solar system inin a simple 'aya simple 'ay

'e can (uil'e can (uildd the Solar !rack the Solar !rack inging SSystemystem easilyeasily 'ith'ith costcost

effectiveeffectivenessness for the ma=imumfor the ma=imum energyenergy or 'ater or 'ater output fromoutput from

any kind of P&any kind of P&

Solar >ome or Solar /ater PumpingSolar >ome or Solar /ater Pumping

Thailand Solar Tracker System (Eng1)

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