New PDF release: Advanced Power Electronics Converters: PWM Converters

By Euzeli dos Santos, Edison R. da Silva

ISBN-10: 1118880943

ISBN-13: 9781118880944

This ebook covers energy electronics, extensive, by means of proposing the fundamental ideas and alertness info, which might be used either as a textbook and reference book.

• Introduces a brand new strategy to current strength electronics converters referred to as energy Blocks Geometry (PBG)
• Applicable for classes concentrating on strength electronics, energy electronics converters, and complicated energy converters
• Offers a accomplished set of simulation effects to aid comprehend the circuits offered during the book

 

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Extra resources for Advanced Power Electronics Converters: PWM Converters Processing AC Voltages

Sample text

Then, the circuit will be as shown in Fig. 19(b). There are two topological states (TSs) for the buck converter: TS 1—The switch Q is on and conducts the inductor current, while the diode is off, as shown in Fig. 19(c). TS 2—When Q is turned off, the diode conducts the inductor current, as shown in Fig. 19(d). 1 Explain why a buck converter such as the one presented in Fig. 19 requires two power switches with UniC and UniV characteristics. Solution As the output voltage is dc, the load current is also dc, which leads to a dc current for IL .

Both input current and the current iD are discontinuous. 2. The output voltage is negative. (ii) Cuk Converter. This converter is shown in Fig. 21(b) and can connect a current source to a current-type load. The characteristics of the Cuk converter are the following: 1. Both input current and output current are continuous. 2. The output voltage is negative. (iii) Zeta Converter. This converter is shown in Fig. 21(c) and can connect a voltage source to a current-type load. The characteristics of the Zeta converter are the following.

O (b) (a) Controlled ac–dc converter using a switching cell. 16), as the SCR is equivalent to the diode when ???? = 0. 17) of the controlled rectifier as presented in Fig. 36. The single split-phase half-bridge rectifier is shown in Fig. 37(a), in which the sinusoidal voltage sources ????ac1 and ????ac2 are phase-shifted 180o to each other, as shown in Fig. 37(b). , always above zero) and that the SCR T1 is turned on at a given angle ???? after ????ac1 becomes positive. This voltage is then applied to the load.

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Advanced Power Electronics Converters: PWM Converters Processing AC Voltages by Euzeli dos Santos, Edison R. da Silva


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