Muhammad Zaki Fatharani 211711017
3A-TEN
Tugas Elektronika Daya Lanjut
Gambar rangkaian full bridge
Gambar rangkaian cascaded multicells (5 level)
Indeks modulasi 0,6 Full Bridge
Vref = 220 V Vcarrier = 366,67 V Fref = 50 Hz Fcarrier = 500 Hz
- Gelombang Vref dan Vcarrier
- Gelombang Vt
- Gelombang It
Cascaded Multicells (5 level)
Vref = 220 V Vcarrier = 183.34 Vpp Fref = 50 Hz Fcarrier = 500 Hz
- Gelombang Vref dan Vcarrier
- Gelombang Vt
- Gelombang It
Indeks modulasi 0,8 Full Bridge
Vref = 220 V Vcarrier = 275 V Fref = 50 Hz Fcarrier = 450 Hz
- Gelombang Vref dan Vcarrier
- Gelombang Vt
- Gelombang It
Cascaded Multicells (5 level)
Vref = 220 V Vcarrier = 137.5 Vpp Fref = 50 Hz Fcarrier = 450 Hz
- Gelombang Vref dan Vcarrier
- Gelombang Vt
- Gelombang It
Indeks modulasi 1 Full Bridge
Vref = 220 V Vcarrier = 220 V Fref = 50 Hz Fcarrier = 251 Hz
- Gelombang Vref dan Vcarrier
- Gelombang Vt
- Gelombang It
Cascaded Multicells (5 level)
Vref = 220 V Vcarrier = 110 Vpp Fref = 50 Hz Fcarrier = 251 Hz
- Gelombang Vref dan Vcarrier
- Gelombang Vt
- Gelombang It
Indeks modulasi 1,2 Full Bridge
Vref = 220 V Vcarrier = 183,33 V Fref = 50 Hz Fcarrier = 650 Hz
- Gelombang Vref dan Vcarrier
- Gelombang Vt
- Gelombang It
Cascaded Multicells (5 level)
Vref = 220 V Vcarrier = 91,67 Vpp Fref = 50 Hz Fcarrier = 650 Hz
- Gelombang Vref dan Vcarrier
- Gelombang Vt
- Gelombang It
Indeks modulasi 1,4 Full Bridge
Vref = 220 V Vcarrier = 157,14 V Fref = 50 Hz Fcarrier = 500 Hz
- Gelombang Vref dan Vcarrier
- Gelombang Vt
- Gelombang It
Cascaded Multicells (5 level)
Vref = 220 V Vcarrier = 78,57 Vpp Fref = 50 Hz Fcarrier = 500 Hz
- Gelombang Vref dan Vcarrier
- Gelombang Vt
- Gelombang It
Kesimpulan
Vref Fref
Vcarrier Fcarrier THD It Vcarrier Fcarrier THD It
Indeks Modulasi Full Bridge Cascaded Multicells
220 V 50 Hz 366,67 V 500 Hz 6,90% 183,34 Vpp 500 Hz 5,45% 0,6 220 V 50 Hz 275 V 450 Hz 3,81% 137,5 Vpp 450 Hz 3,47% 0,8 220 V 50 Hz 220 V 251 Hz 4,69% 110 Vpp 251 Hz 4,53% 1 220 V 50 Hz 183,33 V 650 Hz 2,80% 91.67 Vpp 650 Hz 2,78% 1,2 220 V 50 Hz 157,14 V 500 Hz 4,67% 78,57 Vpp 500 Hz 4,36% 1,4
• Rangkaian cascaded multicells (5 level) lebih baik daripada full bridge. Dibuktikan dengan frekuensi penyaklaran yang sama, rangkaian cascaded multicells menghasilkan harmonisa arus beban (THD It) lebih rendah dibanding rangkaian full bridge.
