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MATCHING TIDAL CURRENT POTENTIAL

WITH LOCAL ELECTRICITYCONDITIONS

AT LARANTUKA-ADONARA ISLAND

PT PLN (Persero) Electric Poer Rese!rc" !#$ De%elo&'e#t Ce#tre

H.Wahyono, M.Firmansyah, B.S. Munir, Zamrisyaf,[email protected]

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Prese#t!tio# Ot li#e

I. IntroductionII. Marine Current ner!y potential in Indonesia

III. Basic "rinciple of ener!y con#ersion

I$.

Calculation ner!y "roduction at Flores Strait$. %arantu&a'(donara "ower )eneration and

%oad.

$I. Conclusions

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•

Indonesia consist of *+,- islands, a/out 0,--- ofwhich are inha/ited.

• lectricity !eneration in Indonesia is domination

/y fossil fuel such as coal, oil and !as.

INTRODUCTION

Current and 1ar!et Fuel Mi2 lectric "ower )eneration (source RUPTL 2011-2020)

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INTRODUCTION

• Most of Indonesian territory was 3cean, total

land /oundary len!th is 4,5- &m 6*,+ mi7. Its

coastline is 8, +*0 &m 655,999 mi7.

• 3ne of the promisin! ener!y resources is ener!y

from the ocean and +- : of Indonesia territory

is ocean

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INTRODUCTION

• Why Marine Current ;

• Hi!h ener!y density 6water density around*--- times air density7

• Better predicta/ility 6less influence /y local

wheather condition7• n#iromental fiendly

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MARINE CURRENT ENERGY POTENTIAL IN INDONESIA

1wo methodolo!ies marine current assessment,-

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)eneral re=uirement site location for marine current ener!y

con#eter 6MCC7>*. Minimum a#era!e current speed *m?s 6 Commission

*9907

4. (de=uate water deep, 64 m A 8 m for su/ mer!e

construction7

5. Wide enou!h for MC1 Farm array

8.

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*ASIC PRINCIPLE ENERGY CON+ERSION

MCC 1ur/ine "ower 2tracted

P E "ower e2tracted 6watt7,

⍴ E Water mass density 6&!?m57

A E Cross sectional of the rotor called swept area 6m47

+ E Free stream fluid #elocity 6m?sec7

C& E Coefficient of hydrodynamic power

Tur#ine it 1* m +iameter! it Moerate ,' 0* an

ater s'ee .2 m/s !

enerate aroun 1 MW 'oer at tur#ine

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Calculation ner!y "roduction at Flores Strait

- -.* -.4 -.5 -.8 -. -.0 -.+ -. -.9 *-

4

8

0

*-

*4

S&ee$ Li#e!ri,!tio# (c's)

Ti'e

S & e e $ ( c ' - s )

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Calculation ner!y "roduction at Flores Strait

-

4

8

0

.

*-

*4

H!l. "o(r !%!r!#/e s&ee$

Ti'e

S & e e $ ( c ' - s )

-

4

8

0

.

*-

*4

Poer Ge#er!te$ 01 MCT

Ti'e

P o e r G e # e r ! t e $ (

K W )

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%arantu&a'(donara "ower )eneration and %oad

Four criteria in the preparation of plant schedulin!>

23 PMCT 4 P Lo!$

( more efficient system is one in which the load is connected to a set of /atteries and the e2cesspower durin! o#er'!eneration due to e2cessi#e current #elocity, can /e used to char!e the /attery

/an&.

"ower /alance for this condition is>

"MC1 "G)s E " %oad "BSS 687

"G)s E -,

1hen,

"MC1 E "%oad "BSS 67

53 PMCT e6!l PLo!$

1his condition only occurs within a relati#ely short time, /ecause it li&ely will /e small once the load

cur#e can follow the cur#e of "MC1.

"G)sE-, "BSS E -. 607

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73 PMCT 8 P Lo!$

"est E "MC1 ' " %oad 6+7

1here are two options in this statement>

!3 P*ESS 4 P Restǀ ǀ

In this statement, the first option is to dischar!e BSS with the !oal of reducin! fuel consumption

and simultaneously reducin! o#erall production costs. 3ther reasons include a desire to use

renewa/le ener!y, or to reduce production of C34 emission.

For this situation, we can apply the e=uation 67"MC1 "BSS E "%oad 67

03P*ESS 8 P Restǀ ǀ

For the second condition, if the ener!y stored in the BSS is smaller than the prediction of deficit

ener!y the ne2t half hour, then the G)S will /e operated and BSS are on stand'/y position.

"ower Balance e=uation for this statement>"MC1 "G)s E "%oad 697

93 Ti$!l crre#t %elocit1 0elo +ct-i#

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ner!y mana!ement simulation /ased on the daily load profile with theree scenarios >

' *4 MW MC1 and Giesel )eneration System 6G)S7

' *4 MW MC1, G)S and Battery stora!e system 6BSS7- *9 MW MC1 and BSS

(nalysis esult >

*. How Much ener!y !enerated /y each power !eneration

4. How Much Minimum BSS need for this schenario ;

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-

4

8

0

.

*-

*4

P o e r ( M )

6a7 Scenario *

(t scenario *, un a/sor/ MC1 ener!y due to mismatch demand and

supply reach *4.8* MWH, this system shoul/e cheapest on in#estation/ud!ed due to lac& of ener!y system /ut the operational cost should/e

hi!hest due to Giesel power !eneration cost

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6/7 Scenario 4-

4

8

0

*-

*4

P o e r ( M W )

Scenario 4 pre#ent MC1 ener!y lost /y em//eded /attery ener!y

stora!e system. 1his scenario reduce diesel ener!y production until

50.4+ MWH or 4 : from pre#ious scenario. 1he minimum sie of

BSS is .5 MW

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6/7 Scenario 5-

4

8

0

.

*-

*4

P o e r ( M W )

Scenario 5 eliminate G)s from the system, *-.+ MW minimum BSS

should installed to /alance /etween load and !eneration

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Scenario* Scenario4 Scenario5

MC1 "ea& "ower 6MW7 . 9.5 *8.+4

G)s "ea& "ower 6MW7 0.5 0.5 -

MC1 ner!y Gaily 6MWH7 8.*9 +9.-5 *-4.

G)s ner!y Gaily 6MWH7 8.09 50.4+ -

n (/sor/ MC1 ner!y Gaily 6MWH7 *4.8* - -

BSS Sie minimum 6MW7 - .5 *-.+

Table 2 Energy Balance comparison between three scenarios

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C3

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hank you

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