问题 问答题 简答题

线路跳闸后,哪些情况不宜强送?哪些情况可以强送?

答案

参考答案:

(1)线路跳闸后,下列情况不宜强送电:

1)空充电线路。

2)试运行线路。

3)线路跳闸后,经备用电源自动投入已将负荷转移到其他线路上,不影响供电的线路。

4)电缆线路。

5)又带电作业工作并申明不能强送电的线路。

6)线路变压器组断路器跳闸,重合不成功。

7)运行人员已发现明显故障现象。

8)线路断路器有缺陷或跳闸次数一超过规定次数及断路器遮断容量不足的线路。

9)已掌握有严重缺陷的线路(如水淹、杆塔严重倾斜、导线严重断股等)。

(2)除以上情况外,线路跳闸,重合不成功,按有关规成或请示生产负责领导或总工程师批准可强送电一次,强送电不成功,有条件的可以对线路零起升压。

填空题
单项选择题

Regardless of their political affiliation, in all countries women must overcome a host of stumbling blocks that limit their political careers. "Most obstacles to progress consist of (1) of various kinds," says the Inter-Parliamentary Union (IPU), a Geneva-based organization (2) 139 parliaments, including the lack of time, training, information, self-confidence, money, support, motivation, women’s networks and solidarity between women.

In every culture, prejudice and stereotypes (3) hard. The belief still holds (4) that women belong in the kitchen and (5) the children, not at election (6) or in the Speaker’s chair. The media often reinforce traditional images of women, who, upon entering politics, also bear the brunt (正面冲击) of verbal and physical (7) .

In impoverished (贫穷的) countries (8) by civil conflicts and deteriorating economic and social conditions, women are (9) by the tasks of managing everyday life and looking after their families.

The IPU stresses the general lack of child-care facilities—often (10) a privileged few—the (11) of political parties to change the times and running of meetings and the weak backing women receive from their families. That support, which is (12) as well as financial, is (13) vital because women have internalized (14) images of themselves since the (15) of time and often suffer from low self-confidence.

Another obstacle is the lack of financial resources, especially as election campaigns become increasingly expensive. (16) , women encounter more or less open machismo (男子汉的高傲) in the (17) of closed political circles (18) entry to the "second sex. " Lastly, they (19) the lack of solidarity between women, (20) by the fact that the number of available positions is limited.

8()

A.penetrated

B.compressed

C.intensified

D.racked