变压器空载损耗 transformer nonload losses; 变压器励磁电流 transformer magnetizing current; 变压器利用系数 transformer utilization factor; capacity factor of transformer; ..
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It is the existent of magnetizing inrush current in transformer that differs transformer differential protection from differential protection of other main equipments and transmission lines.
由于变压器励磁涌流的存在，使得变压器差动保护有别于其他主设备及线路的差动保护。
So far, the core problem of transformer differential protection is still how to precisely identify the magnetizing inrush current.
迄今，变压器差动保护的核心问题仍然是如何准确识别励磁涌流。
So distinguishing between magnetizing inrush current and fault current correctly is the key to ensure transformer differential relay to operate credibly.
因此，正确识别励磁涌流是保证变压器差动保护可靠运行的关键。
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