主要介绍对供电系统中过电流保护装置灵敏度的要求，以及提高过电流保护装置灵敏度的措施。
The article introduces demands for sensitivity of the over-current protection in power network and also deals with the measurements to improve the sensitivity.
主要介绍对供电系统中过电流保护装置灵敏度的要求，以及提高过电流保护装置灵敏度的措施。
The article introduces demands for sensitivity of the over-current protection in power network and also deals with the measurements to improve the sensitivity.
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