【简答题】
请描述充电桩急停功能的要求?
查看试卷,进入试卷练习
微信扫一扫,开始刷题

答案
答:(1)充电桩应装设急停保护装置,即在紧急情况下,可从硬件上切断充电回路;(30分)(2)急停回路应设计在输入侧,急停装置应装设透明保护罩防止误操作,整体不应凸出;(30分)(3)充电桩急停按钮按下后应能有效保存设备断电前的状态和计量计费信息。(40分)
解析
暂无解析
相关试题
【单选题】
()年11月14日,中共中央总书记、国家主席习近平在对老挝进行国事访问期间,亲切接见了第九批中国(上海)青年志愿者赴老挝服务队全体队员,并在老挝《人民报》、《巴特寮报》、《万象时报》发表题为《携手打造中老具有战略意义的命运共同体》的署名文章,文章中特别提到:“中国上海近百名青年志愿者先后赴老挝从事网络技术、体育教学等工作,其中一名志愿者就任老挝国家男篮主教练。”(出题单位:共青团上海市委)
A. 2018
B. 2017
C. 2016
D. 2015
【单选题】
2010年上海世博会是中国举办的第一届世博会,上海世博会的主题是()。(出题单位:杨浦区委宣传部)
A. “城市,让生活更精彩”
B. “城市,让生活更美丽”
C. “城市,让生活更美好”
【单选题】
1949年4月20日晚和21日,人民解放军( )、( )野战军遵照中央军委和总前委的命令,先后发起渡江。在炮兵、工兵的支持配合下,在西起湖口、东至江阴的千里战线上强渡长江,迅速突破国民党军的江防,占领贵池、铜陵、芜湖和常州、无锡、镇江等城,彻底摧毁了国民党军的长江防线。(出题单位:杨浦区委党史研究室)
A. 第一、第二
B. 第一、第三
C. 第二、第三
【单选题】
目前我国国内规模最大的世界非物质文化遗产展览馆是()?(出题单位:宝山区委宣传部)
A. 中国朝鲜族非物质文化遗产展览馆
B. 台儿庄国家非物质文化遗产博览园
C. 上海宝山国际民间艺术博览馆
D. 成都国际非物质文化遗产博览园
【单选题】
上海宝山以“上海樱花节、上海邮轮旅游节、宝山国际民间艺术节”为龙头,形成了()四季主题。(出题单位:宝山区委宣传部)
A. 春之樱、夏之游、秋之食、冬之阅
B. 春之花、夏之邮、秋之食、冬之韵
C. 春之樱、夏之邮、秋之艺、冬之阅
D. 春之花、夏之游、秋之艺、冬之韵
【单选题】
孔庙是纪念中国伟大思想家、教育家孔子的寺庙建筑,又称作文庙、孔子庙。以下哪一座孔庙有“吴中第一”之称?()(出题单位:嘉定区委宣传部)
A. 苏州孔庙
B. 南京夫子庙
C. 嘉定孔庙
D. 衢州孔庙
【单选题】
从殷商至春秋战国,天人关系成为当时思想领域中的首要问题,形成像“类”“象”等观念,由此发展为阴阳、道、命、数、气等哲学理念。这说明( )。(出题单位:上海大学中欧工程技术学院)
A. 哲学源于人们在实践中对世界的追问和思考
B. 哲学是世界观和方法论的有机统一
C. 思维和存在的辩证关系是哲学的基本问题
D. 古代朴素唯物主义是哲学的基本派别
【单选题】
《铁路安全管理条例》规定,禁止扰乱铁路建设、运输秩序。禁止损坏或者非法占用铁路设施设备、铁路标志和铁路用地。任何单位或者个人发现损坏或者非法占用铁路设施设备、铁路标志、铁路用地以及其他影响铁路安全的行为,有权报告铁路运输企业,或者向()举报。(出题单位:上海铁路监督管理局)
A. 铁路监管部门
B. 公安机关
C. 其他有关部门
D. 以上都是
【单选题】
中国是负责任的发展中大国,是全球气候治理的积极参与者,已经向世界承诺将于()左右将二氧化碳排放达到峰值,并争取早日实现。(出题单位:奉贤区交通委员会执法大队)
A. 2025年
B. 2030年
C. 2035年
D. 2040年
【单选题】
太原路160号现瑞金宾馆太原分馆为上海市优秀历史建筑,其建筑屋面形状为()。(出题单位:徐汇区住房保障和房屋管理局)
A. 盔顶
B. 葱形顶
C. 圆锥形顶
D. 方锥形顶屋面
【单选题】
上海中心大厦安装了电涡流阻尼器,这是()首次将电涡流阻尼用于超高层建筑的风阻尼器,其作用是能有效地对大厦进行减振控制。(出题单位:上海新能源科技成果转化与产业促进中心)
A. 上海
B. 国内
C. 国际
【单选题】
中国首艘自主设计建造国产大型邮轮在上海开工建造,并计划于( )年下半年交付运营。这标志着我国船舶工业正式跨入大型邮轮建造的新阶段,对上海乃至中国的邮轮经济发展将起到积极促进作用。(出题单位:上海新能源科技成果转化与产业促进中心)
A. 2020
B. 2023
C. 2025
D. 2030
【单选题】
(),中央政法委召开全国扫黑除恶专项斗争电视电话会议,全国扫黑除恶专项斗争开始。(出题单位:长宁区委宣传部)
A. 2018年1月1日
B. 2018年2月1日
C. 2018年1月23日
D. 2018年2月23日
【单选题】
关于扫黑除恶专项斗争的“总蓝图”,说法正确的是()。(出题单位:长宁区委宣传部)
A. 2018年:治标。2019年:治根。2020年:治本。
B. 2018年:治根。2019年:治标。2020年:治本。
C. 2018年:治根。2019年:治本。2020年:治标。
D. 2018年:治本。2019年:治标。2020年:治根。
【单选题】
食物中的“天然毒素”主要是指某些动植物中所含有的一些有毒的天然成分。这些食物必须经过一定的加工处理才能食用,否则极易引起食物中毒。下列一定要烧熟煮透后才能食用的食物是()。(出题单位:上海大学生命科学学院)
A. 山药
B. 花生
C. 四季豆
D. 红薯
【单选题】
2018年5月,首届“长三角民政论坛”上达成了()。(出题单位:上海健康医学院)
A. 《长三角养老一体化协议》
B. 《长三角区域养老合作与发展•上海共识》
C. 《长三角养老一体化共识》
D. 《长三角养老一体化指南》
推荐试题
【单选题】
Q1: What does the man suggest that the woman do this weekend?___
A. Read J .K .Rowling's first book .
B. Go to buy a new Harry Potter book .
C. Watch BBC news about J .K .Rowling .
D. Take her cousin to see a new Harry Potter movie .
【单选题】
Q2: Where did J. K. Rowling come up with the idea for Harry Potter?___
A. At a cafe .
B. On a train .
C. At a cinema .
D. In a bookstore .
【单选题】
Q3: What are J. K. Rowling’s future plans?___
A. She won't write any more books .
B. She will write more magic stories .
C. She hasn't said anything about her future plans .
D. She said she would work on more serious subjects .
【单选题】
Q4: What are the two speakers mainly talking about?___
A. J.K. Rowling's secret .
B. J .K .Rowling's writing plan .
C. A new book by J .K.Rowling.
D. An interview with J .K .Rowling .
【单选题】
Q1: What happened when Stephen tried to remove a bottle of milk from the refrigerator?___
A. He broke the milk bottle .
B. He fell down on the floor .
C. He made a mess inside the refrigerator .
D. He spilled the milk over the kitchen floor .
【单选题】
Q2: What did Stephen’s mother do when she came into the kitchen?___
A. She gave him a long lecture .
B. She shouted at him in anger .
C. She enjoyed the wonderful mess .
D. She cleaned up the mess with him .
【单选题】
Q3: What did Stephen’s mother teach him later?___
A. How to do an experiment .
B. How to carry a milk bottle .
C. How to clean up spilled milk .
D. How to avoid making mistakes .
【单选题】
Q4: What did Stephen learn from this experience?___
A. Mistakes can become learning opportunities .
B. Mistakes are just like scientific experiments .
C. One should sometimes make mistakes .
D. One should try to avoid making mistakes .
【单选题】
Q1: Why is surfing the man’s favorite activity?___
A. Because he likes the sunny weather.
B. Because he wants to challenge himself .
C. Because it can help solve his sleeping problem .
D. Because it can help him forget all his troubles .
【单选题】
Q2: What is the woman going to do this weekend?___
A. To go sailing .
B. To go surfing .
C. To go to the beach .
D. To go to her nephew's .
【单选题】
Q3: What does the woman love doing?___
A. Going to visit relatives.
B. Enjoying the warm sun on the beach .
C. Building sand castles with her niece and nephew .
D. Playing in the sand and jumping in the waves .
【单选题】
Q4: What does the man remember doing with his brothers?___
A. Surfing in the sea .
B. Collecting seashells .
C. Building sand castles .
D. Jumping in the waves .
【单选题】
Q1: According to the survey, what percentage of British adults watched TV in theirfree time?___
A. 89 percent .
B. 84 percent .
C. 76 percent .
D. 71 percent .
【单选题】
Q2: Which age group would be the most likely to visit their friends and relatives?___
A. People aged 16 to 24
B. People aged 25 to 34 .
C. People aged 16 and over .
D. People aged 55 and over .
【单选题】
Q3: What does the speaker say about listening to music as a leisure activity for British people?___
A. People aged 16 to 24 preferred listening to music most .
B. It was getting more and more popular among the British people .
C. It was the third most popular activity among people aged 55 and over .
D. People aged 25 to 34 listened to music more often than those aged 16 to 24 .
【单选题】
Q4: According to the survey, how are leisure activities related to age?___
A. Older people go out to pubs more often . frequently .
B. Younger people go to the cinema less frequently.
C. Older people spend more time reading and gardening .
D. Younger people spend less time visiting friends and family .
【单选题】
Q1: Why was the girl excited?___
A. She is going to have a lot of vanilla ice cream .
B. She won the spelling competition at her school .
C. She is going to the state capital for a competition .
D. She "excellence"correctly,but others didn't .
【单选题】
Q2: What happened when the man was 13 years old?___
A. His family moved to Sacramento to settle down .
B. His family bought him a new suit and a new tie .
C. He went to Sacramento for a spelling competition .
D. He won the first prize in the state spelling competition .
【单选题】
Q3: Why did the man’s mom give him a big hug?___
A. To make him feel better after he lost the first prize .
B. To apologize for not buying him some ice cream .
C. To wish him good luck in the next competition .
D. To congratulate him on winning the first prize .
【单选题】
Q4: What color is the girl going to wear for her next competition?___
A. Red .
B. Blue .
C. Green .
D. Yellow .
【单选题】
Q1: What is this passage mainly about?___
A. Superstitions and science .
B. Tips on how to have good luck .
C. Superstitions in the United States .
D. Rational and superstitious societies .
【单选题】
Q2: According to the passage, what is considered as bad luck?___
A. Walking under a ladder .
B. Dreaming of a black cat .
C. Hanging a mirror in the house .
D. Stepping on one's own shadow .
【单选题】
Q3: Why is it considered bad luck to see a black cat crossing one’s path?___
A. Because black cats look like witches . e witches .
B. Because black cats were thought to be witches .
C. Because black cats bring seven years of bad luck .
D. Because black cats are hard to notice in darkness .
【单选题】
Q4: According to the passage, what will bring people good luck?___
A. Breaking a mirror on purpose .
B. Catching a falling leaf on one's birthday .
C. Finding a on the ground and picking it up .
D. Dreaming of blowing out the candles in one blow .
【单选题】
Q1: How long will the woman spend on her way to and from work by high-speed train?___
A. 4 hours .
B. 2 hours .
C. 1.5 hours .
D. 45 minutes .
【单选题】
Q2: When does the woman arrive back home by subway?___
A. At 8 .
B. At 7 .
C. At 6 .
D. At 5 .
【单选题】
Q3: According to the woman, in what way will the new high-speed train be a big help to her?___
A. She can either read or rest a little on the train .
B. She can read and respond to emails onthe train .
C. She can travel to many different parts of the city .
D. She can go shopping on her way home from work .
【单选题】
Q4: How will the new high-speed train affect the man?___
A. He can take the train to the old part of the city .
B. He can save a lot of money when he takes the train .
C. He can save 20 minutes to go to work with the train .
D. He can take the train to the airport instead of driving .
【单选题】
Q1: How much time on average do Americans spend on their way to work?___
A. About an hour .
B. More than an hour .
C. About half an hour .
D. More than one and a half hours .
【单选题】
Q2: What is the present situation about Americans’ commuting to work?___
A. More and more Americans spend over an hour getting to work .
B. Over 10 percent of Americans spend less than an hour getting to work .
C. Only New York people spend more than 90 minutes getting to work .
D. Over 10 percent of Americans spend more than 90 minutes getting to work .
【单选题】
Q3: Why does Steven choose to have an extreme commute?___
A. Because gas prices are not high .
B. Because the commute is not tiring .
C. Because he can attend a better school .
D. Because he can have his favorite lifestyle .
【单选题】
Q4: Which of the following is the disadvantage of long commutes?___
A. Traffic jams .
B. Expensive housing .
C. Poorer life quality .
D. A tiring and boring trip .
【单选题】
Q1: What did Katy like about Jason’s last Halloween party?___
A. She liked playing an interesting game .
B. She enjoyed seeing many of her old friends .
C. She enjoyed wearing her Halloween costume .
D. She liked the decorations in Jason's front yard .
【单选题】
Q2: What is the actual reason that Katy doesn’t want to attend Jason’s party?___
A. None of her friends likes Jason .
B. None of Jason's guests is young .
C. She wants to go to Linda's party ..
D. She went to Jason's party last year .
【单选题】
Q3: What is special about Linda’s party?___
A. The party will last four hours .
B. Six people will attend the party .
C. They will have huge bags of candy .
D. They will play a new game called "GuessWho ".
【单选题】
Q4: What will Katy do to solve her problem?___
A. Go to Jason's party .
B. Go to Linda's party .
C. Attend both Jason's and Linda's parties .
D. Celebrate Halloween with her parents .
【单选题】
Q1: What is special about this year’s Black Friday shopping?___
A. Some stores offered bigger holiday discounts .
B. Some stores provided more choices of nightlife.
C. Some stores made efforts to attract young people .
D. Some stores opened much earlier than they used to .
【单选题】
Q2: Why did some stores open at midnight on Thanksgiving night?___
A. To attract young customers .
B. To beat other stores for sale.
C. To let people sleep late the next day .
D. To keep people stay up for the night .