inverse time over-current protector
inverse time over-current protector
逆时间过流保护器
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The power of the protector is supplied by itself from the ct. Based on thermal cumulate principles, a rapid and high precision inverse-time phase-sequence over-current protection is implemented.
该保护装置自具电源，基于热量累积原理实现快速高精度相电流反时限保护方法，实现对相电流和零序电流三段式保护。
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