Chuong 0&1
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Transcript of Chuong 0&1
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Chng 0CC H THC V KHI NIM C BN
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Cc khi nim c bn
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Cc khi nim c bn
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Mch mt pha vi dng, p dng sin
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Mch mt pha vi dng, p dng sin
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Mch ba pha cn bng (dng, p dng sin)
Mch 3 pha vi dng, p dng sin v ch xc lp
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Mch ba pha cn bng (dng, p dng sin)
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Mch ba pha cn bng (dng, p dng sin)
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Cun dy L T in C
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Ch xc lp vi dng, p khng sinV d: Dng sng in p ng ra v dng sng dng-p ng vo ca mt b bin tn 3-pha kiu iu rng xung (PWM) in hnh.
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Phn tch FourierPhn tch FourierH s mo dng (%THD)H s cng sut
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Phn tch Fourier
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Phn tch Fourier
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Mo dng do sng hi
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Mo dng do sng hi
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Chng 1CC LINH KIN BN DN
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Lnh vc ng dng ca TCS
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V d ng dng ca b bin i TCSng dng cc b bin i TCS gip tit kim nng lng, nng cao cht lng p ng ca thit b.
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S khi B bin iLu l cc mch TCS hot ng theo ch ng-ngt (switch-mode), khc vi cc mch in t hot ng ch tuyn tnh (linear mode) Hiu sut mch TCS cao hn mch in t ch tuyn tnh.
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B n p tuyn tnhTransistor cng sut c iu khin hot ng tng t nh mt in tr bin i
Mch c hiu sut thp v cng knh
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B n p xung
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B n p xungTransistor hot ng nh mt kha ng ngt hiu sut caoBin p, mch lc hot ng tn s cao kch thc nhin p ng ra thay i bng cch iu khin rng xung (t l ton/Ts)
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Ch hot ng ca BB
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Gii thiu cc linh kin TCS thng dng
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Diode
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Thyristor (SCR)
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BJT (Bipolar Junction Transistor)
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BJT (Bipolar Junction Transistor)
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MOSFET
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GTO (Gate Turn-Off Thyristor)
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GTO (Gate Turn-Off Thyristor)
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IGBT (Insulated Gate Bipolar Transistor)
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MCT (MOS-Controlled Thyristor)
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Kh nng ng ngt ca cc kha bn dn thng dng
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Kh nng ti & ng ct ca cc linh kin TCS hin nay