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PERANCANGAN INVERTER SATU FASAPERANCANGAN INVERTER SATU FASA
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PERANCANGAN INVERTER SATU FASA PERANCANGAN INVERTER SATU FASA YANG TERHUBUNG DENGAN JARING YANG TERHUBUNG DENGAN JARING DISTRIBUSI MENGGUNAKAN METODEDISTRIBUSI MENGGUNAKAN METODEDISTRIBUSI MENGGUNAKAN METODE DISTRIBUSI MENGGUNAKAN METODE
HYSTERISIS CURRENT CONTROLHYSTERISIS CURRENT CONTROLP t d bPresented by:
Mochammad Salman 2209105076
Pembimbing IProf. Dr. Ir. Mochamad Ashari, M.Eng
NIP : 19651012 199003 1 003
Pembimbing IIHeri Suryoatmojo, ST, MT, Ph.D
NIP : 19800603 200604 1 003NIP : 19651012 199003 1 003 NIP : 19800603 200604 1 003
BidangBidang StudiStudi TeknikTeknik SistemSistem TenagaTenagaJurusanJurusan TeknikTeknik ElektroElektro, FTI , FTI –– ITS SurabayaITS Surabaya
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PokokPokok BahasanBahasanPokokPokok BahasanBahasan
1 Pend h l n1. Pendahuluan2. Blok Diagram Sistem3. Pemodelan & Perencanaan Sistem4. Hasil Pengujian Sistemg j5. Analisa & Kesimpulan
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11 PendahuluanPendahuluan1. 1. PendahuluanPendahuluan
L B l kLatar BelakangPermasalahanBatasan MasalahTujuan dan KontribusiTujuan dan Kontribusi
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LatarLatar BelakangBelakang
PembangkitPembangkit Bahan BakarBahan Bakar Harga MahalHarga MahalgListrik
gListrik FosilFosil
gMerusak Lingkungan
gMerusak Lingkungan
SumberEnergi
Alternatif
SumberEnergi
AlternatifSolar SelSolar Sel InverterInverter GridGrid
KekuranganEfisiensi daya masih
KekuranganEfisiensi daya masih
DiperlukanM d
DiperlukanM dDapat Diperbarui
Ramah LingkunganDapat DiperbaruiRamah Lingkungan
Efisiensi daya masihrendahEfisiensi daya masihrendah
MetodeMetode
BeberapaMetode masih
t d t
BeberapaMetode masih
t d t3
terdapatkekurangan
terdapatkekurangan
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PermasalahanPermasalahan
Memodelkan inverter satu fasa yang terhubungMemodelkan inverter satu fasa yang terhubungdengan jaring distribusi menggunakan metodehysterisis current controlhysterisis current controlMengimplementasikan inverter satu fasa yang
h b d j i di ib i k d l b hterhubung dengan jaring distribusi kedalam sebuahprototipe
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BatasanBatasan MasalahMasalahBatasanBatasan MasalahMasalah
Tidak membahas harmonisa yang terjadi dalam sistemAlgoritma yang digunakan untuk mengontrol arusoutput inverter adalah hysteresis current controlPenggunaan Inverter Full Bridge sebagai konversi DCgg g g
to AC
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TujuanTujuan && KontribusiKontribusiTujuanTujuan & & KontribusiKontribusiMerancang kontrol arus histerisis untuk diterapkan pada
inverter satu fasa yang terhubung dengan jaring distribusiDiharapkan prototipe menjadi Distributed Generation Unitp p p j(DG) yang dapat menyumbang daya kedalam gridMengetahui efektifitas kontrol arus histerisis untukMengetahui efektifitas kontrol arus histerisis untuk
mengontrol arus yang masuk kedalam grid
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2. Blok 2. Blok DiagramDiagram SistemSistem
Sumber DC InverterTransformator
Step UpGrid PLN
220V/50Hz
Mikro
Sensor Arus
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3.1 3.1 AliranAliran daya daya inverterinverter dalamdalam gridgrid
Diagram fasor operasi keadaan inverter VSI :
a). + daya aktif dan - daya reaktif
Vs = Tegangan Grid Vi = Tegangan InverterΦ = beda fasa Vi terhadap VsΦ = beda fasa Vi terhadap VsIp = arus aktifIq = arus reaktifI = resultan arus
b). - daya aktif dan - daya reaktifI resultan arus+ = menyumbang- = menyerap 8
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3.1 3.1 AliranAliran daya daya inverterinverter dalamdalam gridgrid
Diagram fasor operasi keadaan inverter VSI :
c). + daya aktif dan + daya reaktif
Vs = Tegangan Grid Vi = Tegangan InverterΦ = beda fasa Vi terhadap VsΦ = beda fasa Vi terhadap VsIp = arus aktifIq = arus reaktifI = resultan arus
d). - daya aktif dan + daya reaktif 9
I resultan arus+ = menyumbang- = menyerap
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3.2 3.2 PemodelanPemodelan & & PerencanaanPerencanaan HysterisisHysterisis CurrentCurrentControlControlControlControl
Prinsip kerja Bipolar Hysterisis Current Control
VinvIout
Bipolar control
If Iout > (Iref+HB) Then S2,S3 = On and S1,S4 = Off
If Iout < (Iref-HB) Then S2,S3 = Off and S1,S4 = On
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3.2 3.2 PemodelanPemodelan & & PerencanaanPerencanaan HysterisisHysterisis CurrentCurrentControlControlControlControl
Pemodelan Bipolar Hysterisis Current Control (HCC) denganPSIMPSIM
Upper
Reference
LowerLower
Aru
s(A
)A
Kontroller bipolar HCC
Transformator GridInverter TransformatorStep Up
Grid PLN
Time (s)11
HCCMikro
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3.2 3.2 PemodelanPemodelan & & PerencanaanPerencanaan HysterisisHysterisis CurrentCurrentControlControlControlControl
Perencanaan Bipolar Hysterisis Current Control (HCC)
Implementasi rangkaian HCC12
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3.4 3.4 PerencanaanPerencanaan & & SimulasiSimulasi ZeroZero CrossingCrossing DetectorDetector
Simulasi Zero Crossing Detector dengan Proteus
Zero cross
ZCD
Ch1 (ZCD)Volt/div = 1vTime/div = 1ms
Ch1 (ZCD)Volt/div = 1vTime/div = 1ms
Ch2 (Sinus)Volt/div = 1vTime/div = 1ms
Ch2 (Sinus)Volt/div = 1vTime/div = 1ms
Inverter TransformatorStep Up Grid PLN
13ZCDMikro