Title:
RECTIFIER STAGE FOR A SUBSEA POWER GRID
Document Type and Number:
WIPO Patent Application WO/2012/175294
Kind Code:
A3
Abstract:
Rectifier stage for a subsea power grid It is described a rectifier stage (451) for converting an input AC voltage to an output voltage, the rectifier stage comprising: a first AC input terminal (455); a second AC input terminal (457), wherein the input AC voltage is applicable between the first input terminal and the second input terminal; a first DC output terminal (467); a second DC output terminal (468); a first thyristor (461) connected between the first DC output terminal (467) and the first AC input terminal (455); a second thyristor (463) connected between the first DC output terminal (467) and the second AC input terminal (457); a gate control circuit (472) adapted and connected to control a first conductance state of the first thyristor (461) and to control a second conductance state of the second thyristor (463) such that the first thyristor and the second thyristor provide a rectified AC voltage between the first DC output terminal (467) and the second DC output terminal (468) as the output voltage. (Figure 4)
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Inventors:
HAUGAN ESPEN (NO)
Application Number:
PCT/EP2012/060137
Publication Date:
June 06, 2013
Filing Date:
May 30, 2012
Export Citation:
Assignee:
SIEMENS AG (DE)
HAUGAN ESPEN (NO)
HAUGAN ESPEN (NO)
International Classes:
H02M5/45; H02M7/49
Foreign References:
| EP0224198A2 | 1987-06-03 | |||
| EP2270968A1 | 2011-01-05 | |||
| EP0153751A2 | 1985-09-04 | |||
| US4475150A | 1984-10-02 |
Attorney, Agent or Firm:
SIEMENS AKTIENGESELLSCHAFT (München, DE)
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