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探讨交流发电机或发电机的磁场损失或励磁保护。

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探讨交流发电机或发电机的磁场损失或励磁保护。

发布日期:2020-02-25 作者: 点击:

众所周知由于励磁故障,可能导致发电机失磁场或励磁。在较大尺寸的发电机中,用于励磁的能量通常从单独的辅助电源或从单独驱动的DC发电机中获取。辅助电源故障或驱动电机故障也会导致发电机励磁损失。励磁装置故障(即发电机中的现场系统故障)使发电机以高于同步速度的速度运行。

励磁装置

在这种情况下,发电机或交流发电机变成感应发电机从系统吸收励磁电流。尽管这种情况不会立即在系统中造成任何问题,但是定子的过载和转子在这种模式下由于机器的连续运行而导致的过热可能在长期运行中对系统造成问题。因此,应特别注意在发电机的励磁系统或励磁系统发生故障后立即对其进行整流。在现场系统正确恢复之前,应将发电机与系统的其余部分隔离。

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励磁系统

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相关标签:励磁系统,励磁系统厂家,励磁系统价格

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