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線路縱聯保護的信號分類

發布日期:2022-04-25 點擊率:77

有關線路縱聯保護的信號分類,線路縱聯保護的信號有哪幾種,線路縱聯保護的信號分為閉鎖信號、允許信號、跳閘信號三種,不同信號的作用不相同。

線路縱聯保護的信號分類

線路縱聯保護的信號分為閉鎖信號、允許信號、跳閘信號三種。

線路縱聯保護的信號作用:

1、閉鎖信號:它是阻止保護動作于跳閘的信號,即無閉鎖信號是保護作用于跳閘的必要條件。

只有同時滿足本端保護元件動作和無閉鎖信號兩個條件時,保護才作用于跳閘。

2、允許信號:它是允許保護動作于跳閘的信號,即有允許信號是保護動作于跳閘的必要條件。

只有同時滿足本端保護元件動作和有允許信號兩個條件時,保護才動作于跳閘。

3、跳閘信號:它是直接引起跳閘的信號,此時與保護元件是否動作無關,只要收到跳閘信號,保護就作用于跳閘,遠方跳閘式保護就是利用跳閘信號。

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