以下为句子列表：
英文: A differential relay is a protective device that is fed by current transformers located at two different series points in the electrical system.
中文: 差动继电器作为保护装置，差动继电器由位于系统中两个不同位置的电流互感器提供反馈信息。
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英文: Differential Relay A differential relay is a protective device that is fed by current transformers located at two different series points in the electrical system.
中文: 差动继电器作为保护装置，差动继电器由位于系统中两个不同位置的电流互感器提供反馈信息。
更详细...
英文: The differential relay compares the currents and picks up when there is a difference in the two, which signifies a fault in the zone of protection.
中文: 差动继电器对电流进行比较，如果存在不同则表示受保护区域内有故障存在。
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