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AC-AC Converter

AC-AC Converter. Elektronika Daya Rahmat A. Al hasibi. Intorduction. Fungsi : menerima daya listrik dari satu sistem kemudian mengkonversi dan menyalurkan ke sistem AC lainnya dengan gelombang yang berbeda amplitudo , frekuensi maupun fasenya .

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AC-AC Converter

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  1. AC-AC Converter ElektronikaDaya Rahmat A. Al hasibi

  2. Intorduction • Fungsi: menerimadayalistrikdarisatusistemkemudianmengkonversidanmenyalurkankesistem AC lainnyadengangelombang yang berbedaamplitudo, frekuensimaupunfasenya. • Mengubahteganganrmspadafrekuensi yang konstandisebutsebagaiac voltage controlleratauac regulator • Mengubahdaya ac darisebuahfrekuensikefrekuensilainnyadisebutsebagaicylcoconverter • Jenis AC-AC converter: • Single phase • Three phases

  3. Single-Phase AC-AC Controller (1) • Rangkaiandasar: • Gambar a, merupakan full-wave ac-ac converter dengan SCR • Gambar b, full-wave ac-ac converter denganTriac • Bentukgelombang:

  4. Single-Phase AC-AC Controller (2) • Denganbeban R: • Jika: • Makategangan output pada T1dipicupada, adalah: • Vo dapatdiaturdari Vs ke0 denganmengubah  dari 0 keπ • Bentukgelombang:

  5. Single-Phase AC-AC Controller (3) Denganbeban R-L Bentukgelombang: • Arusbeban: • Tegangan output rms:

  6. Single-Phase AC-AC Voltage Controllerwith ON-OFF Control PWM AC Chopper Bentukgelombang

  7. Three-Phase AC-AC Voltage Controllers Beberapakonfigurasi

  8. Star-Connected Load with Isolated Neutral (1)

  9. Star-Connected Load with Isolated Neutral (2) • Tegangansesaat: • Tegangan output rms:

  10. Single-Phase-Single-Phase Cycloconverter

  11. Applications of AC-AC Converters Applications of AC Voltage Controllers Applications of Cycloconverters • Pengendali fan ataupompa yang digerakkanoleh motor induksi • Torsi berbandingterhadapkuadratkecepatan • Kecepatandikendalikanpada interval yang kecil • Soft-startinguntuk motor induksi • Variable Speed AC Drives • Pengendalikecepatanuntuk motor induksidan motor sinkron

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