microgrid applicaons in indonesian telcom … applicaons in indonesian telcom industries pekik argo...
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MicrogridApplica-onsinIndonesianTelcomIndustries
PekikArgoDahonoSchoolofElectricalEngineeringandInforma7cs,
Ins7tuteofTechnologyBandung,INDONESIA
Background• Indonesiahasmorethantenthousandssmallislandsthoseare
distributedaroundtheequator.• Indonesiahastargetedtoinstallmorethan1000MWwindpower
plantsand10000MWsolarpowerplantsby2025.• TherearemorethansixtelcomoperatorsinIndonesia.• Therearemorethan100,00BaseTransceiverSta7ons(BTS)with
powerdemandsrangingfrom750Wupto10,000W.• OneremoteBTSusuallyconsumes2000litersofdieselfuelevery
month.• PT.Telkom(thebiggesttelcomoperator)hasaprogramtoimprove
thereliabilityoftheBTSsbyusingalterna7veenergysourcesthoseareavailablelocally.
• Itisreportedthatenergyexpensehasbecameabout30%ofOPEX.
NAD87,72%
Sumut83,98%
Sumbar77,72%
Riau78,17%
Sumsel72,71%
Bengkulu71,15%
Babel82,26%
Lampung70,40%
Jakarta99,99%
Banten68,18%
Jabar70,72%
Jateng77,31%
Jambi76,54%
DIY75,19%
Ja-m72,05%
Bali69,77%
NTB52,88%
NTT39,92%
Kalbar65,37%
Kalteng67,28%
Kalsel75,65%
Kal-m63,44%
Sulut73,21%Gorontalo
54,69%
Sulteng64,84%
Sultra56,46%
Sulsel74,19%
Malut70,34%
Maluku70,80%
Papua29,25%
Category:
>60%
41‐60%
20‐40%
Sulbar64,12%
Kepri91,52%
PapuaBarat58,24%
Background
• SolarenergyisthefirstchoiceasIndonesiaislocatedontheequator
• Itisexpectedthattheuseofwindpowermayreducethesystemcost
• U7litylineordieselpowerisusedasthebackup.• Severaleffortstoimprovereliabilityandefficiencyoftelcompowersystemsuchascycliccharging,remotefeeding,fuelcells,hybridpowersystemshavebeendone.
BTSPowerConsump7on
• Averagetotalpowerconsump7onisabout4,000Wa\
• About2,000Wa\isforaircondi7oning
• About1,500Wa\fortelecommunica7onequipment
• Therestisforligh7ngandmonitoring
MicrogridExample
• Loca7on:Girisari,Baliisland• Averagedailyenergyconsump7onfortelecommunica7onis1,5kWx24h=36kWh
• Averagewindspeedis5‐6m/s
• Averagesunshinehoursisabout7‐8hrsduringdryseasonand5‐6hrsduringrainyseason
• Ba\erybackup7meis24hours
DataAnalysis
• Theselectedloca7onhasverygoodsunshinehours• Theaveragewindspeedistoolowbutthespeedvarieswidely
• Windpowercannotbereliedforthispurpose• Aferoneyearofopera7on,therearealmostnosignificantopera7ngproblems.
• Onesignificantproblemisthebrokenofwindturbinebecauseofverystrongwind
• Theopera7ngdatawillbeusedtoadjustthedesignofthenextprojects
GeneralExperiences
• Indonesiantelcomindustrieshaveinstalledmorethan300microgridpowersystemswithvariousrenewableresourcessuchassolar,wind,microhydro,biodiesel,andfuelcell.
• Ba\eryisthemostexpensiveandunreliablecomponentinmicrogridpowersystems.Becauseofvandalismproblem,some7meswehavetoinstallba\eryunderunfavorablecondi7ons.
• Atpresent,thecontribu7onofwindenergyiss7llverysmall.
• Op7mizingtheseingofstateofchargesofba\ery• Inves7ga7ngba\eryperformanceundertropicalcondi7ons
TelkomselGreenPoweredBTS271PV(2.2MWp);5microhydro(64kW);7fuelcell(22kW)
P.Tongkeng,Kep.Seribu
Ponu
Besikama
Eilogo
Marunggela
Wulandoni
Pulaupinang
SarangBaung
Kasia
LiukangTupabiring
Baruppu Tompira
Lamango
Atedei
PasimasungguTimur
PasimaranuPasilambena
Apan
Bade(Mappi)
SelatnasikPongok
Sipora
Maratua
Tenateke Naikliu
Rep.ApuiBaranusa
Loang
Site TanjungBatu
Site SungaiBoh
Site Vega Site LanjakBadau
Site Serawai
Site Melayu Baru
Site Sungai Laur
Site Airupas
Site Sekunau
Site Nyabu
Site Tumbang Senamang
Site Marabatuan
Site Sapeken
Site Bawean Tambak
Site Karimun Jawa
Site Bastem
Site Enggano
Site Suoh
Site BukitMandeh
Site Siak Gasib
Site Kuala Bangka Site Hilimbosi
Site Pulau Lamun
Site Bawoziono
Site Lakhene
Site Pulau Babi
Site Tanjung Aru
Caturmuk7 GMN PWU EID
Site Ganting
Site Air Pinang
Site Pulau Kampai
Site Alafan
Kebun Nyiur
Kondur/Mata air Pulau Numbing
Gn Halat Gn Sesubang
Hariff
Gn Mumbun
Gn Pagar
Conclusion
• ExperiencehasshownthatPVismorepromisingthanwindpower.
• Telcomcompanieshavetargetedtoreducetheelectricalenergyconsump7onby20%.
• Telcomcompanieshavetargetedtoreplace2.5%oftheBTSsintogreenBTSs.
• Insomeremoteloca7ons,thegreenenergyisobtainedbyusingbiodiesel.