在区内故障时可靠动作，快速切除故障。目前，该方法已成功应用于基于32位DSP的数字式光纤电流差动保护装置。
It ensures both sensitivity for internal faults and reliability for external faults, which is successfully applied in digital fiber current differential protection with 32 - bit DSP.
理论及实例分析表明，通信系统的主—从时钟方式是电流差动保护装置在复用数字通信系统时正确工作的理想方式。
It is shown by theory and case study that the master - slave clock mode in a com munication system is ideal for proper functions of the current differential protection.
目前，该方法已成功应用于WXH - 803数字式光纤电流差动保护装置。
At present, the proposed method has been successfully applied in WXH-803 digital optical fiber current differential protective device.
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