Technology of DC-Link Voltage Spikes Suppression

  • Hongpeng LiuEmail author
  • Zichao Zhou
  • Yuhao Li
  • Wentao Wu
  • Jiabao Jiang
  • Enda Shi


The introduction of coupled inductor renders the appearance of leakage inductance whatever cores or winding techniques are employed, which induces operating problems. For instance, when the coupled inductors impedance source inverters (CISI) transfer from shoot-through (ST) to non-shoot-through (NST) state, a great voltage spike will occur at the DC-link due to a sharp change in current through the leakage inductors. It will require higher rated switches and push up the production cost. Therefore, the DC-link voltage spikes should be avoided, and the lost energy on the leakage inductors is recycled through technology of dc-link voltage spikes suppression. This chapter will present several novel absorbing circuits implemented in CISIs that can suppress the dc-link voltage.


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© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  1. 1.Northeast Electric Power UniversityJilinChina
  2. 2.Aalborg UniversityAalborgDenmark
  3. 3.Delta Electronic Enterprise Management (Shanghai) co., LtdShanghaiChina
  4. 4.China Southern Power Grid Co., LtdShenzhen Power Supply BureauShenzhenChina
  5. 5.State Grid Zhejiang Electric Power Company Hangzhou Power Supply CompanyHangzhouChina
  6. 6.Harbin Institute of TechnologyHarbinChina

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