问题 问答题 简答题

试述变压器大修前的准备工作。

答案

参考答案:

(1)查阅历年大小修报告和绝缘预试报告,了解绝缘情况。

(2)查阅运行档案了解缺陷、异常情况,了解事故和出口短路次数,变压器的负荷。

(3)根据变压器的状态编写大修技术、组织措施,并确定检修项目和检修方案。

(4)大修应在检修间进行,当现场无检修间是,要作好防雨、防尘、防潮和消防措施,清理现场和其他准备工作。

(5)大修前进行电气试验,测量直流电阻、介质损耗、绝缘电阻及油试验。

(6)准备好备品备件及更换用密封胶垫。

选择题
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Tell our story, make your mark

Havering is one of London’s largest towns. It is a place of contrasts, from the shopping and nightlife of Romford to the cultural quarter of Hornchurch; from the industrial Thames riverside in Rainham to the ambitious regeneration(复兴) project in Harold Hill. The London Borough of Havering has a great story to tell, and we’re looking for the right people to tell it.

Campaigns and Marketing Manager

A creative strategist(战略家) is needed to plan and deliver campaigns that change behaviour across the town and form Havering’s reputation beyond its borders.

Media Manager

An experienced professional is required, who fully understands how the news media works and works well under pressure. You will manage a team of three, as well as our media message.

Communications Business Manager

As a senior member of the communications team, you will be part salesperson and part business strategist, with wide-ranging power to increase our commercial potential as much as possible and save taxpayers’ money.

Senior Media Officers

Two experienced persons are needed to turn the stories that we talk about into the stories that everyone is talking about.

Community Newspaper Journalist (12month contract at the beginning)

Our community newspaper, Living, is being expanded as an energetic publication once every two weeks. We need an editor and a journalist or writer who produces brilliant copy, even against the tightest deadlines.

Pay & grading award are yet to be decided for all posts.

Full details are available on our website. For an informal conversation about these positions, please contact Mark Leech, Head of Communications, by calling 01708 434373.

Any disabled applicants, meeting the necessary standards set out in the profile(简介) for a job, will be guaranteed an interview.

Please apply online via the Council's website at www.havering.gov.uk or contact the Recruitment Team at 01708 433039.

Closing date for completed applications is Friday, 18th April 2008.

Interviews will be scheduled for the week beginning 28th April 2008.

小题1:Havering is in need of high-level personnel ________.

A.to tell stories

B.to make it known

C.to understand how news media works

D.to plan and deliver campaigns小题2:The underlined word “contrasts” in the first paragraph means_______. 

A.differences

B.similarities

C.interests

D.achievement小题3:_________ has to be a salesperson, drawing business plans at the same time.

A.Community Newspaper Journalist

B.Senior Media Officers

C.Campaigns and Marketing Manager

D.Communications Business Manager小题4:We can learn from the passage that _________.

A.disabled applicants will be guaranteed an interview

B.all the applicants will be interviewed on 28th April 2008

C.applicants should hand in the application forms before 18th April 2008

D.applicants can talk with Mark Leech about the position on the website