開關(guān)失靈1中性點電流監(jiān)視啟動:這個定值用來設(shè)置中性點電流啟動的保持的監(jiān)測電流水平。通常這個定值檢測被保護斷路器上的最低的電流。中性點電流監(jiān)測只用在三相方案中以提供更高的靈敏度。這個定值只對三相跳閘方案有效。

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