Invention Grant
- Patent Title: Power conditioning architecture for a wind turbine
- Patent Title (中): 风力发电机的功率调节架构
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Application No.: US11809223Application Date: 2007-05-31
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Publication No.: US07919879B2Publication Date: 2011-04-05
- Inventor: Patrick S. Flannery , Venkata Giri Venkataramanan
- Applicant: Patrick S. Flannery , Venkata Giri Venkataramanan
- Applicant Address: US WI Madison
- Assignee: Wisconsin Alumni Research Foundation
- Current Assignee: Wisconsin Alumni Research Foundation
- Current Assignee Address: US WI Madison
- Agency: Boyle Fredrickson, S.C.
- Main IPC: F03D9/00
- IPC: F03D9/00 ; H02P9/04
Abstract:
A wind turbine 36 has a back-to-back AC/DC/AC power electronic converter chain in which the grid side converter 48 is connected in series with DFIG stator windings 64. The machine side converter 56 is fed from the rotor windings 54 of the DFIG 44. Series connection of the grid side converter 48 enables voltage sag ride-through capability via control of the stator flux.In the event of a grid voltage sag, the series converter allows for a controlled response in the stator flux and electromagnetic shaft torque, protects the machine side converter and enables continued power delivery to the grid.
Public/Granted literature
- US20070278797A1 Power conditioning architecture for a wind turbine Public/Granted day:2007-12-06
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