… to develop a four quadrant HF AC Chopper that does not suffer from the deadtime problem.
… A four quadrant HF AC Chopper was described, analyzed and verified experimentally. The …

… A four-quadrant high-frequency AC chopper operation is given in [8] where chopper feeds
an inductorcapacitor load. In another application, PWM AC chopper is used to control the …

… In contrast with conventional AC choppers, the proposed circuit does not need any snubber
… that a dead time may be harmful for the circuit. This is the major drawback in AC-AC voltage …

… battery and the four quadrant-DC chopper assembly allows the … A four quadrants HF AC
chopper with no deadtime. In Twenty… Four quadrant operation and control of three phase BLDC …

… [4]᳔໮ˈ៤ᴀϞ䳔㽕ϸ㒘ᓔ݇П偅ࡼ⬉䏃ˈ㗠ϨӮ ᳝dead time ⱘѻ⫳ˈᖙ乏ࡴ㺙Ϟ㓧ކ఼DŽг᳝⫼ҹ㸹ٓব य़఼Пᮍᓣ䆒
䅵 [5] ˈ㱑✊⬉य़〇ᅮᗻདˈै᳝ҹϞ䗄᠔ᦤ 㔎⚍DŽ㢹Փ⫼ঠ৥ᓔ݇ᮍᓣᴹخ៤៾⊶఼ [6]-[8] ˈ㱑✊≵᳝ dead time…

… The worst case of operation for an AC chopper is when it supplies an inductive load. In this
situation, any dead time may produce a voltage spike and may damage the power switches. …

… Diamantstein, Ia four quadrants HF aC chopper with no deadtime," TwentyYFirst annual
IEEE applied Power Electronics Conference and Exposition, 2006. aPEC 06, pp.5. […

… -phase PWM AC chopper. It can be shown that the control characteristics of an AC chopper
depend on … The firing angles of the individual two-pulse two-quadrant bridge converters are …

… includes the operation of the AC/AC PEC in current limit mode … specifications, a novel
AC/AC Chopper circuit is proposed … or 𝛿𝑟𝑒𝑐) 𝛿𝐷𝑒𝑎𝑑 Dead time transition/commutation duty …

… (D-UPFC), consists of ac-ac converter and the transformer. D-UPFC does not use any energy
storage component or rectifier circuit, and it directly converts ac power to ac power. All pass …