发明授权
- 专利标题： Observer-based control system for grid-connected DC/AC converters with LCL-filter
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申请号： US14838505申请日： 2015-08-28
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公开(公告)号： US09729085B2公开(公告)日： 2017-08-08
- 发明人: Majid Pahlevaninezhad , Suzan Eren , Praveen Jain
- 申请人： Majid Pahlevaninezhad , Suzan Eren , Praveen Jain
- 代理商 Brion Raffoul
- 主分类号： H02M7/538
- IPC分类号： H02M7/538 ; H02M7/5387 ; H02M1/12 ; H02M1/00
摘要：
Systems related to controlling a DC/AC converter. A control system uses a nonlinear adaptive observer to estimate the state variables inverter current and converter voltage using a sensed grid current and a bus voltage as inputs. For non-observable points (such as when the duty cycle=0.5), the required information can be found from the DC bus voltage.
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