Phase comparison method is used here.

采用的是相位比对方法。

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Phase comparison protection where the comparison is made twice per cycle.

每周期比较两次的相位比较保护。对正半周和负半周各比较一次。

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The new phase-comparison principle is the main feature of the new distance relay.

全新的比相原理是新型距离继电器的主要特色。

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The new phase-comparison principle is the main feature of the new distance relay.

全新的比相原理是新型距离继电器的主要特色。

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