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Apparatus and method for an under-voltage protection of an electrical network, especially in an aircraft comprising a fuel cell
Apparatus and method for an under-voltage protection of an electrical network, especially in an aircraft comprising a fuel cell
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机译:用于电网的欠压保护的设备和方法,特别是在包括燃料电池的飞机中
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摘要
Apparatus (4) for protecting an electrical network (6) of an aircraft, comprising a power switch (22), an activation means (20) coupled with the power switch (22), a detection circuit (10, 12) connectable to the electrical network (6) for detecting a voltage, wherein the detection circuit (10, 12) is coupled with the activation means (20) and wherein the activation means (20) is adapted for opening the power switch (22) once the detected voltage is lower than a predetermined voltage. This is particularly advantageous for high voltage direct current networks temporarily, primarily or permanently powered by a fuel cell system.
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