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APPARATUS AND METHOD FOR A FAULT DIAGNOSIS OF DIRECT CURRENT TERMINAL VOLTAGE SENSOR OF GRID CONNECTED POWER TRANSFORMER AND FAULT-TOLERANT CONTROL
APPARATUS AND METHOD FOR A FAULT DIAGNOSIS OF DIRECT CURRENT TERMINAL VOLTAGE SENSOR OF GRID CONNECTED POWER TRANSFORMER AND FAULT-TOLERANT CONTROL
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机译：并网电力变压器直接电流终端电压传感器故障诊断和容错控制的装置及方法
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摘要
Perform fault diagnosis and fault tolerant control of the DC bus voltage sensor provided in the grid-connected power converters An apparatus for the system is detected from the q-axis current command and q-circuit voltage estimating unit for estimating a DC bus voltage from the DC-axis current; Failure determining unit compares the measured value of the estimated DC bus voltage and DC bus voltage sensor to determine whether the failure of the DC bus voltage sensor; And when it is determined by the failure determining unit in the failure of the DC bus voltage sensor, the estimated DC bus voltage in order to perform a fault-tolerant control for the power conversion control unit for outputting a control voltage for the power conversion device DC bus voltage sensor fault diagnosis and fault tolerant control system of grid-connected power conversion device is provided that includes. ; 展开▼
