By Fang Lin Luo, Hong Ye

DC/DC conversion concepts have gone through quick improvement in contemporary a long time. With the pioneering paintings of authors Fang Lin Luo and Hong Ye, DC/DC converters have now been taken care of into their six generations, and by way of a coarse count number, over 500 varied topologies at present exist, with extra being constructed every one year.

Advanced DC/DC Converters bargains a concise, sensible presentation of DC/DC converters, summarizing the spectrum of conversion applied sciences and proposing many new rules and greater than a hundred new topologies. The therapy starts off with heritage fabric on DC/DC conversion and discussions on voltage raise and super-lift converters. It then proceeds via every one new release, together with the groundbreaking 6th generation--converters built through the authors that may be cascaded for prime voltage move achieve.

More than 320 figures, 60 tables, and 500 formulae let you extra simply take hold of the general constitution of complex DC/DC converters, supply quick entry to express information, and assist you quick ensure the values of your individual circuit parts. Nowhere else within the literature are DC/DC converters so logically looked after and systematically brought. Nowhere else are you able to locate specific details on prototype topologies that symbolize a big contribution to fashionable energy engineering.

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Extra info for Advanced DC/DC Converters

Sample text

32. 17) where N is the transformer turn ratio, and k is the conduction duty cycle k = ton/T. 7 Forward Converter with Tertiary Winding and Multiple Outputs Some industrial applications require multiple outputs. This requirement is easily realized by constructing multiple secondary windings and the corresponding conversion circuit. 33. 33 Forward converter with tertiary winding and three outputs. where Ni is the transformer turn ratio to the secondary winding, i = 1, 2, and 3 respectively, and k is the conduction duty cycle k = ton/T.

30 Half-bridge converter. 4 Half-Bridge Converter In order to reduce the primary side in one winding, the half-bridge converter was constructed. 30. 15) where N is the transformer turn ratio, and k is the conduction duty cycle k = ton/T. 5 Bridge Converter The bridge converter employs more switches and therefore gains double output voltage. 31. 16) where N is the transformer turn ratio, and k is the conduction duty cycle k = ton/T. 31 Bridge converter. L1 . 32 Zeta converter. 6 ZETA Converter The ZETA converter is a transformer type converter with a low-pass filter.

Dual quadrant operation is usually requested in the system with two voltage sources V1 and V2. Both voltage polarity is defined in the figure, we just concentrate their absolute values in analysis and calculation. Assume that the condition V1 > V2, the inductor L is ideal component. During quadrant I operation, S1 and D2 work, and S2 and D1 are idle. Vice versa, during quadrant II operation, S2 and D1 work, and S1 and D2 are idle. The relation between the two voltage sources can be calculated by the formula, ⎧ kV1 V2 = ⎨ ⎩(1 − k )V1 QIII _ operation QIV _ operation where k is the conduction duty cycle k = ton/T.

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