Chapter 3

Synthesizing Phase-shift Bidirectional DC/DC Converters

Outline

  1. Review of phase-shift controlled bidirectional DC-DC
  2. Switch Cell
  3. New family of phase-shift bi-directional DC-DC
  4. Example:build new phase-shift bi-directional DC-DC
  5. Summary

dc-dc变换电路的应用(隔离型双向DCDC变换器-拓扑结构与控制方法4)(1)

How do we get square-wave voltage source?

In non-isolated bidirectional DC-DC converter,the voltage waveform across the inductor is square wave when the duty cycle is 50%.

dc-dc变换电路的应用(隔离型双向DCDC变换器-拓扑结构与控制方法4)(2)

dc-dc变换电路的应用(隔离型双向DCDC变换器-拓扑结构与控制方法4)(3)

dc-dc变换电路的应用(隔离型双向DCDC变换器-拓扑结构与控制方法4)(4)

dc-dc变换电路的应用(隔离型双向DCDC变换器-拓扑结构与控制方法4)(5)

dc-dc变换电路的应用(隔离型双向DCDC变换器-拓扑结构与控制方法4)(6)

dc-dc变换电路的应用(隔离型双向DCDC变换器-拓扑结构与控制方法4)(7)

dc-dc变换电路的应用(隔离型双向DCDC变换器-拓扑结构与控制方法4)(8)

dc-dc变换电路的应用(隔离型双向DCDC变换器-拓扑结构与控制方法4)(9)

dc-dc变换电路的应用(隔离型双向DCDC变换器-拓扑结构与控制方法4)(10)

dc-dc变换电路的应用(隔离型双向DCDC变换器-拓扑结构与控制方法4)(11)

dc-dc变换电路的应用(隔离型双向DCDC变换器-拓扑结构与控制方法4)(12)

dc-dc变换电路的应用(隔离型双向DCDC变换器-拓扑结构与控制方法4)(13)

dc-dc变换电路的应用(隔离型双向DCDC变换器-拓扑结构与控制方法4)(14)

dc-dc变换电路的应用(隔离型双向DCDC变换器-拓扑结构与控制方法4)(15)

dc-dc变换电路的应用(隔离型双向DCDC变换器-拓扑结构与控制方法4)(16)

dc-dc变换电路的应用(隔离型双向DCDC变换器-拓扑结构与控制方法4)(17)

dc-dc变换电路的应用(隔离型双向DCDC变换器-拓扑结构与控制方法4)(18)

dc-dc变换电路的应用(隔离型双向DCDC变换器-拓扑结构与控制方法4)(19)

Summary

A technique to generate phase-shift bi-directional DC-DC converter is proposed.

Example of deriving new bi-dc/dc is presented.

All switches achieve ZVS in both the forward mode and the backward mode in thery.

,