低壓成套技術(shù)負(fù)責(zé)人考試題庫(kù)-問(wèn)答

1、u, and member s ca-e s shoe v.nai due d*gencecmbiedup,ensuesuiycmpeedeaydetemieofthetageaskesues suiyccmpl .leves 1 esip nea task, eesi ssu. complee d poverty storming an target task, ensue seal over. harmony sabe. T h.* compa cig Ie ma nespon.i les a. steg the Wo eadesipofe-cainaorganiztonsdoagodjo

2、bWoed.onhou a stongogailainandeaship.Payunst_I ay orgaiat ons a . SoudimiyesalShthemai.- grasping pay b.d.g a s Ie 1st r_onsii ly ste ngthe l eadeship, demonstabie,sjentlctoensuesidcat onefectve y Fst,the r s of espons. y Party cmmiees gpaly group) to.y easamajorpolicatask,primaryresponsib.y for .ec

3、ve mpementaton, sengtheship, caefuly gu dig t he S .g, do a g ood job oveal sUdy a. solve problems inatmeymanner. Progress evuai on by Ie grass roots pay bui dig thi s year, st udy . . a s the primary evauaton orgai on,teproblemsaemay,to uibXe, t ac-.a biy Man i s espon.e for -ma- t osoybea u 1st re

4、sons b pe opl e * not only t otue good La drs, ad g ood tam, tot ue g I od m bes a nd - hgod is mp,lad parii p i lea nig e duain, ad by Qan commad, iput enooghoftmeadeegysegtheed Gu de a nd cecls 、 onwk | rogamme pesna。 in, on mporat a pesna如 deplo-e、 on e s plbl_ key sl uin, troghoutpu esonsiiiy ca

5、ry inso*e，hang, mprope suouzanggu.The Cuntypay Cmmiee and muniipapayCmmttemuncipa worke s, Vaios e,epr s and isiuin* Cmmsln, palycmmitesadpalmetsincageofinustypracicedevelpsped c mpementat on plan, orgaiz ng seca for cis rrspons.e fr e - caina w ork to steg I eti s ui to te .sem studyandeucatoninter

6、egonsppcfcguiance.Ogazaindearmentsastelladdepalmet, to ste ngte I the planig, ogaiai on, cordiain a nd g u nne, good de sgn, dicomposiin, elUley adn tmplemet.Caaryous-y and at onstictdoc r .ui de, .r ue convyig lae upon . sep by se p, cmpacinof ronsbiiyIseeigtheSeeigmusprntfma,cacte w. the ti nkng o

7、f preveton actvtes,s m y and mucaton, peventing r ouie - ie, prve I t smpe, doi ng as much as meei ng noe s t jdge te e ducatonal e-l s To tkereor custmizd e seac, atedi ng te meet ng andom sot chck s brif I gs ad othe mlan* tofcusthepus Ude to grasr oo on te pary bra nc, i dept udestaddng of m atin

8、 a nd aua e-a -m up . peennetopromotega-rootste c ad corre ct the sgns of problems. Publ c infrmaton三、問(wèn)答題:1、介電性能性能驗(yàn)證的目的是什么？答題要點(diǎn)：是驗(yàn)證成套設(shè)備對(duì)工作電壓、操作過(guò)電壓及雷電過(guò)電壓的耐受能力。因?yàn)榻^緣材料耐受電壓的能力是有限度的，當(dāng)外施電壓超過(guò) 某一數(shù)值時(shí)，絕緣材料發(fā)生劇烈的放電或?qū)щ姮F(xiàn)象，稱為擊穿。2、溫升試驗(yàn)的環(huán)境溫度是怎么測(cè)量的？答題要點(diǎn)：環(huán)境溫度在試驗(yàn)周期的最后1/4期間內(nèi)測(cè)量，在高度約等于成套設(shè)備的1/2,并離開成套設(shè)備1m遠(yuǎn)的地方安裝。應(yīng)防止空氣流動(dòng)或熱輻射對(duì)

9、溫度計(jì)和熱電偶的影響。3、外殼防護(hù)等級(jí)IP34D是怎樣驗(yàn)證的？答題要點(diǎn)：用邊緣無(wú)毛刺的直徑為 2.5+0.05 0mm 直的剛性鋼棒，對(duì)產(chǎn)品施加3 0.3N的力進(jìn)行試驗(yàn)，鋼棒不能進(jìn)入殼體。與垂直方向土 180 范圍以內(nèi)的淋水無(wú)影響。直徑為 0.1mm長(zhǎng)為100mm金屬絲，對(duì)產(chǎn)品施加1 0.1N的力進(jìn)行試驗(yàn)，金屬絲不能觸及危險(xiǎn)帶電部件。 4、工頻耐受電壓中的試驗(yàn)電壓值是怎么確定的？ 答題要點(diǎn)：工頻耐受電壓的試驗(yàn)電壓應(yīng)按其絕緣電壓查表10。用絕緣材料制造的外部操作手柄，介電試驗(yàn)應(yīng)在帶電部件和用金屬箔裹纏整個(gè)表面的手柄之間施加表10規(guī)定的1.5倍試驗(yàn)電壓值。用絕緣材料制造的外殼，還應(yīng)進(jìn)行一次補(bǔ)充試驗(yàn)

10、，在外殼的外面包復(fù)一層能覆蓋所有的開孔和接縫的金屬箔，t僉電壓為其試驗(yàn)電壓的1.5倍。5、干熱試驗(yàn)的驗(yàn)證是怎么要求的？ 答題要點(diǎn)：將完整的戶外低壓電纜分線箱放置在恒溫箱，將恒溫箱溫度在23h內(nèi)升至100 C+ 2 C,維持此溫度 5h,試后試品應(yīng)沒有明顯的損壞的現(xiàn)象。6、影響配電板介電性能的可能因數(shù)有哪些？答題要點(diǎn)：影響配電板介電性能的因數(shù)有：a.產(chǎn)品結(jié)構(gòu)的變化 b.絕緣材料的性能c.絕緣材料尺寸的變化d.銅排等加工過(guò)程中留下的毛刺、灰塵等 e.電氣元件的性能變化等等。7、為了保證母線干線單元的溫升滿足要求，需控制哪些方面？ 答題要點(diǎn)：需控制：a.母線槽的內(nèi)部結(jié)構(gòu)b.母排尺寸c.母排材料d.母

11、排接線端頭加工工藝e.插接件質(zhì)量f.電器元件的質(zhì)量等等8、請(qǐng)問(wèn)對(duì)于I類防護(hù)類別的母線槽產(chǎn)品，要求進(jìn)線保護(hù)導(dǎo)體與相關(guān)裸露導(dǎo)電部件之間的電阻不應(yīng)超過(guò)多少？簡(jiǎn)述測(cè)量方法和注意事項(xiàng)？答題要點(diǎn)：它們之間的電阻不應(yīng)超過(guò)0.1 Q ;應(yīng)使用電阻測(cè)量?jī)x器，此儀器可以使至少10A的交流或直流電流通過(guò)電阻測(cè)量點(diǎn)之間，測(cè)量時(shí)間應(yīng)限制在5s之內(nèi)。9、請(qǐng)簡(jiǎn)述密集型母線槽的結(jié)構(gòu)特點(diǎn)和加工過(guò)程中需注意的方面？ 答題要點(diǎn)：密集型母線槽的結(jié)構(gòu)特點(diǎn)是將裸母線進(jìn)行絕緣包覆后，并緊貼通道殼體放置，其優(yōu)點(diǎn)是散熱好，容量大；密集型母線槽加工過(guò)程中必須注意以下方面：a.外殼加工須注意材料的厚度，加工的尺寸，表面防護(hù)處理等；b.母排加工需注

12、意母排的質(zhì)量，母排的尺寸加工精度，接頭加工工藝，絕緣材料及包覆等；c.絕緣支撐件的加工；d.裝配控制等。10、簡(jiǎn)述影響母線槽短路耐受強(qiáng)度的主要因數(shù)？ 答題要點(diǎn)：影響母線槽短路耐受強(qiáng)度的主要因數(shù)：a.母排尺寸；b.母排硬度；c.母排夾塊的規(guī)格、材料和夾塊的距離；d.母排夾塊支撐架的強(qiáng)度等11、保護(hù)電路連續(xù)性驗(yàn)證。答題要點(diǎn)：a.接地電阻應(yīng)0 (100 ) mQ為什么接地電阻應(yīng)盡量??？答：接地電阻越小，故障時(shí)，故障電壓越低，就越安全b.寫出3個(gè)測(cè)試部位。1)主開關(guān)底板-地；2)分支開關(guān)底板-地；3)裝有電器元件的門-地12、保護(hù)電路連續(xù)性措施檢查與保護(hù)電路有效性驗(yàn)證有無(wú)區(qū)別，并請(qǐng)說(shuō)明或舉例？答題要點(diǎn)

13、：有。a.保護(hù)電路連續(xù)性措施檢查是指目測(cè)是否采取保護(hù)措施而言的，例如：檢查是否裝爪墊，裝電器元件的門是否與主接地點(diǎn)有軟線連接；b.保護(hù)電路有效性驗(yàn)證是使用儀器檢測(cè)，驗(yàn)證接地措施是否有效，例如：測(cè)量接地電阻是否小于100m Qo13、什么是電氣間隙？答題要點(diǎn)不同電位的兩導(dǎo)電部件間的空間直線距離。(見GB7251.1-20052.9.1 )14、什么是爬電距離？答題要點(diǎn)：不同電位的兩導(dǎo)電部件間沿絕緣材料表面的最短距離。(見GB7251.1-20052.9.2)15、IP33的含義是什么？如何檢查？答題要點(diǎn)：IP 33|第二位特征數(shù)字第二位特征數(shù)字代碼字母(國(guó)際防護(hù))用直徑2.5mm的試棒對(duì)產(chǎn)品外殼

14、進(jìn)行檢查，施加3 0.3N ,看是否能插入；用淋水設(shè)備在水壓為50kpa-150kpa與垂直方向土 60 范圍內(nèi)淋水,流量為10L/min ,外殼的表面積1min/m 2,最少5min ,觀察是否有滲漏現(xiàn)象。16、低壓無(wú)功功率補(bǔ)償裝置投切電容器開關(guān)有幾種方式？目前 3C認(rèn)證的低壓無(wú)功功率補(bǔ)償裝置按投切電容器開關(guān)方式應(yīng)分為幾個(gè)申證單元答題要點(diǎn)：a.接觸器b.一體式機(jī)電復(fù)合開關(guān)c.晶閘管電子開關(guān)答3個(gè)認(rèn)證單元。17、寫出至少5種低壓成套開關(guān)設(shè)備 3c認(rèn)證的關(guān)鍵元器件和材料？答題要點(diǎn)：殼體、低壓斷路器、低壓開關(guān)、隔離器、隔離開關(guān)與熔斷器組合電器、低壓接觸器、熱過(guò)載繼電器、交流半導(dǎo)體電動(dòng)機(jī)控制器和起動(dòng)

15、器、自動(dòng)轉(zhuǎn)換開關(guān)電器、母排、絕緣導(dǎo)線、抽出式的一次接插件及絕緣支撐件等主回路用元器件和材料。18、寫出低壓無(wú)功功率補(bǔ)償裝置增加了哪些關(guān)鍵件？答題要點(diǎn)：電容器、電抗器、電力電子開關(guān)、無(wú)功功率補(bǔ)償控制器。19、間接觸電的防護(hù)指什么？直接觸電的防護(hù)指什么？答題要點(diǎn)：(見 GB7251.1-20052.6.9 ; 2.6.8 )間接觸電的防護(hù)是防止人體與裸露導(dǎo)電部件產(chǎn)生危險(xiǎn)接觸的一種防護(hù)。直接觸電的防護(hù)是防止人體與帶電部件產(chǎn)生危險(xiǎn)接觸的一種防護(hù)20、寫出低壓無(wú)功功率補(bǔ)償裝置的銘牌內(nèi)容?els should firmlyestablishthe mainconsciousness, grasping p

16、arty building a s thefirstresponsibil ity,stre ngthen l eadership, demonstrable,sci entifictoe nsuresol id educati oneffectivel y.Fpal party Committee municipalworker s,Various enterprise sand instit utions,Commission,partycommitteesand de partments i n chargeof industrypractice, develop specifi cim

17、plementatI.-.- - I . I _ . I 一 _ _ . 1.1 _ L .11_ _I- .一. .一 一一 -.一up,a nd member scadre s shoe vocational duediligence com bined up,ensure successfullycompleted early determine ofthetarget task,ensure successfullycompl eted levelsl eadership ge neral task,e nsur e succe ssfully complete d povertyst

18、ormingannualtarget task,ensuresocialoverall harmony stable.T hree, compa ctingthe mai n responsibi litiesand strengt hent hetwo leadershipof educational organi zationsdo agoodjob twoeducation withoutastrongorga nization andleadershi p. Partyconstructi on ofpartyorganizati onsatalllevbearupfirstrespo

19、nsi bilitype opl e dutie s,notonlyt otubegood ca dres,and withg ood team,alsotot ube g ood members,a nd wit h goodteam,bot h first examples,lea d partici pate in lear ninge ducation,and by Qian command, inpute noug h oftime andenerg y,strengt hene d Gui de a ndche cks role, on work programme persona

20、lly validation, on importanttask personally deployment, on exists problem timelysol ution,throughoutputresponsibilitycarry inshoulderShang,impropershuaishouzhanggui. T he Countyparty Committeeand municicatch thewaythe thi nking ofprevention activities,study andeducation,preventingr outineaside,preve

21、 nt simple, doi ngasmuchasmeeti ng note s to judgethe e ducationalresult s.To takereports, customized re search,attendi ngthe meeti ng,randomspotcheck s, briefi ngsand othermeans,tofocusthe push Guideto grassr oots, on theparty bra nch,in-de pth understanding ofeducation a ndactualeffect,sum up fres

22、hexperiencet o promotegrass root s,to dete ctand corre ctthe signs ofprobl ems. Publi c information答題要點(diǎn)：a. 廠名b.產(chǎn)品名稱c. 產(chǎn)品型號(hào)或商標(biāo)d. 制造日期（或編號(hào)）或生產(chǎn)編號(hào)e. 額定電壓f. 額定電流g. 額定頻率h.額定補(bǔ)償功率ingparty group） to studyeducationasa major politi caltask,primary responsibilityforeffectiveimplementation,strengthen lea dership

23、, carefullygui dingt heSteering, do ag oodjob overall, study andsolveproblemsin atimelymanner. Progressevaluati onbythegrass-roots party buildingthi s year,to st udye ducation a s the primaryevaluation organior educationalw ork to strengt henthi s unit to thesystem studya nd educati on in theregi on

24、specifi c guidance. Organizationdepartments,asthe leadde partment,tostre ngthe nthe planning, organizati on, coordinationa nd g uida nce,goodde sign, decomposition,each keyaction to implement.Carry outstudyand educati on,t o relyon stri ct docreal gui de,I_ 一- I 一-.111. . I 一 II - I. II . L L.-zatio

25、ns,poor organizati on,t he problems aremany,tocriticize,toaccounta bility.Main i s responsiblefor comrade t oconsciouslypressureconveyinglayer upon layer, stepbyste p, co mpaction ofresponsibility.Insteeringt he Steering must preventformalism,三、簡(jiǎn)答題1 、保護(hù)電路連續(xù)性驗(yàn)證a.接地電阻應(yīng)小于等于多少m Q。b. 為什么接地電阻應(yīng)盡量小？c. 寫出母線槽

26、的3 個(gè)測(cè)試部位。答題要點(diǎn)： a.100 m Q b. 接地電阻越小，故障時(shí)，故障電壓越低，就越安全c. 上下蓋板-地 、 左右側(cè)板-地 、 母線槽上任意固定螺釘-地 、 母線槽連接螺釘-地、第一節(jié)與第二節(jié)母線連接螺栓-地2、確認(rèn)檢驗(yàn)與例行檢驗(yàn)的介電強(qiáng)度試驗(yàn)是否相同，若不同請(qǐng)指出不同之處？ 答題要點(diǎn)： 不同。a.確認(rèn)檢驗(yàn)中的耐壓時(shí)間為 5s,例行檢驗(yàn)中的耐壓時(shí)間為 1s；b. 確認(rèn)檢驗(yàn)中耐壓部位包括絕緣手柄-相的操作，例行檢驗(yàn)中無(wú)此部位的要求，且耐壓值為其它部位耐壓值的1.5 倍。3、GB7251.1對(duì)絕緣電阻的要求是什么？用 500V/500M Q規(guī)格的表測(cè)絕緣電阻時(shí)，其絕緣電阻一般應(yīng)是多少

27、？ 答題要點(diǎn)：a.電路與裸露導(dǎo)電部件之間，每條電路對(duì)地標(biāo)稱電壓的絕緣電阻應(yīng)至少為 1000 Q/V。.b.顯示大于MQ 。4、目前低壓成套開關(guān)設(shè)備所做的3C 認(rèn)證產(chǎn)品中a. 是否有不與主電路直接相連的輔助電路？b. 若有，試舉例。并說(shuō)明應(yīng)施加的工頻耐壓值是多少？答題要點(diǎn)：a. 有b. 電流測(cè)量回路。例如：若要打耐壓，則應(yīng)施加250-500V 的工頻耐壓值。5、低壓成套開關(guān)設(shè)備外殼的主要生產(chǎn)設(shè)備為（行業(yè)稱：三大件）是什么？答題要點(diǎn)：a. 剪板機(jī)b. 沖床c. 折彎?rùn)C(jī)6、 a. 寫出 5 種一次（主電路）回路的主要元器件。epartment sshoul dpay specialatte ntio

28、n t opubli c opi nion,in -depth information rel atingtopr ovincial,municipaland Centraldeci sionsa ndarrangeme nts to promote educational effectivenessand progressofthe typi cal experi ence, andcreate agoodsocialatmosphere.Second,persevering in above rates.Leadi ngbodies at all levels,lea dership,le

29、a dingca dres should takethe lead,as agoodexample,and aski ngot hers to do youfirst do it, asksofothers a nd notth emselvesdetermined notto do,for example ofsuperiortosubordi nate,teamleader forteammembers for example, leveltolev el,levelwith level s,layersofdrive n model, layer upon laye r,formatio

30、n ofthe shots,the overallgeneraleffect of linkage.Need stressedof is,regardlessofwhatranks,and what post of membersleader s,areto to Generalmembersidentityput himselfpe ndulum in, seriouslyimpleme ntation Centra l andpr ovincial,and municipalon learni ng education oftherequireme nts, strictly imp le

31、mentationdoubleorganised, basicsystem,lead l earni ngdiscussion,lea d on ex perie nce,a ndt old partyle cture,a nd for re port,lea d partici patein organise d will, a nd democratic comments,lead shoe vocational due diligence,a ndba sed postfor contri buti on, do fourtol dfourhasof-de pth,a nd checkp

32、e ndulumpr oblem more deep ,Toreorganizetheimplementation of more radical,avant-gardemore respectableimage, thus learning education effective.T hird,stre ngthenthe guida nce. Thee ducation for allme mbers,largepersonneldeterminingt he learning when thetopicwas discussed,a cc ording t odifferentchara

33、cteristi cs andexisting problems ofpartymembers,bothclosely li nkedto thetheme, a ndrealit y, let party members learn, on the up. Do qualified Communist of standardalso cabase,wi de field, hierarchy, difference,a nd to differentiatebetween counties,departments, grass-roots units, all kindsof party o

34、rganization andparty memberbetwee n thea ctualcharacteri stics of hierarchicalnnotuniform, Countyabovemembers leaders sta ndar d to morehig hmorestri ct, to insisted loyalty clean play, doJia o Yulu ty pe ofgoodca dres; onCounty followi ngthe fieldt hein dustry ofmemberstoclassifi cation positionspu

35、t forwardmeasures toprevent flood i rrigation.T o haveoperable.Eachparty should deve lop specificpr ogrammes andspe cificmeasures,e ducationprincipl esand learning requirements i ntooperational,a bletoput in pl aceways.T ograsp fromthe specific work, hard, catchi ng finepra ctice ,with concreteresul

36、t s to verifythe educational results. S hould betargeted.Differentpartymembersideologicaltrends and be haviors, differential treatment in education,preci sionapplicati on policy,key starts locks,downto learnand do themeasures eachpartymember, e nabli ngthem to a ccess toe ducation, improve,make peop

37、lefeelMembersofthenew changes.To reflect thedifference.No uniform,thousands ofb.寫出4種二次（測(cè)量回路）的主要元件有。答題要點(diǎn)：a.斷路器（萬(wàn)能式、塑料外殼式、限流式、低壓真空、微型塑料外殼式、帶有剩余電流保護(hù)的斷路器）；刀開關(guān)、隔離器、隔離開關(guān)及其 組合電器；熔斷器；接觸器；熱繼電器等。b.電流、電壓、功率（有功、無(wú)功卜功率因數(shù)及電能等表計(jì)；電流、電壓互感器 等。7、電氣間隙是指什么？答題要點(diǎn)：不同電位的兩導(dǎo)電部件間的空間直線距離。8、爬電距離是指什么？答題要點(diǎn)：不同電位的兩導(dǎo)電部件間沿絕緣材料表面的最短距離。9

38、、寫出成套開關(guān)設(shè)備生產(chǎn)工序流程。答題要點(diǎn)：殼體加工-電器元件裝配一一次回路母排、絕緣導(dǎo)線制作及裝配-二次線裝配一出廠檢驗(yàn)-包裝。10、寫出5項(xiàng)母排加工裝配工藝文件至少應(yīng)包含的規(guī)定。答題要點(diǎn)：主要設(shè)備；母排的截面積選擇的規(guī)定；下料；彎制；母排連接孔的數(shù)量、孔間距、孔徑的規(guī)定；母排搭接的要求；母排表面涂覆、相序標(biāo)識(shí)及排列；母排的安裝及連接 。11、某無(wú)功功率補(bǔ)償裝置，系統(tǒng)電源電壓 400V ,電容器的額定標(biāo)稱電壓450V ,標(biāo)稱額定容量30kvar ,裝置運(yùn)行時(shí)電容器支路的額定電流是多少？答題要點(diǎn)：12、目前常用的限制涌流的元件或原理？答題要點(diǎn)：用電抗器、帶限制涌流線圈的接觸器、半導(dǎo)體電子開關(guān)過(guò)零

39、投切。13、例行及確認(rèn)檢驗(yàn)設(shè)備應(yīng)每年進(jìn)行校準(zhǔn)或檢定，對(duì)于測(cè)量?jī)x器應(yīng)關(guān)注容量、量程范圍、分辨率，還應(yīng)看檢定、校準(zhǔn)證書的的檢定、 校準(zhǔn)點(diǎn)是否含蓋了哪些測(cè)試點(diǎn)，為什么舉例說(shuō)明。答題要點(diǎn)：a.所使用的測(cè)試點(diǎn)；b.否則校準(zhǔn)或檢定無(wú)意義。14、成套開關(guān)設(shè)備的關(guān)鍵工序有哪些？工藝文件中應(yīng)包含哪些工藝？請(qǐng)用虛線畫出下圖的電氣間隙的測(cè)量距離，并說(shuō)明爬電距離L如何測(cè)量？答題要點(diǎn)：爬電距離L為沿絕緣體表面 a-c-b測(cè)量L=ac+cb-1.5mm四、問(wèn)答題:1、說(shuō)明耐壓測(cè)試儀怎樣進(jìn)行運(yùn)行檢查?s, ad Watposof m- bes eaers, ae t t Geea m - bes dentty pu him

40、sl pe nduum i,seiu- implimeI aton Ceeta l and provnnia, ad municipal on lrg muaton of te reqqirrme n sticy implmeaton doube ogad bbsic .sem, lad leani ngdiion ea d on- perennce a nd t od pary e cue, a id fr re port la d paric p i oga d Wl a nd ddmocatc cmmes lad soe vcatona due dlgenne, and basm pos

41、 fr Lonti I ut on, do fur tl d fourhis ofe tr e lrgaiv iiec i- udv lii g a e afea-scai iip e a lagqieeti.lt i a aygas siwk ar ac g i a t it c c e isit eit d calels1tgit fer rersi gicted aaios Dii、 idct e i lct一一 ke （trlk- w l1nt eue ere1g tccstdcai i ekelfl Mestc gs t 11n dfecN - usels should firmly

42、establishthe mainconsciousness, grasping party building a s thefirstresponsibil ity,stre ngthen l eadership, demonstrable,sci entifictoe nsuresol id educati oneffectivel y.Fpal party Committee municipalworker s,Various enterprise sand instit utions,Commission,partycommitteesand de partments i n char

43、geof industrypractice, develop specifi cimplementatI.-.- - I . I _ . I 一 _ _ . 1.1 _ L .11_ _I- .一. .一 一一 -.一ingparty group） to studyeducationasa major politi caltask,primary responsibilityforeffectiveimplementation,strengthen lea dership, carefullygui dingt heSteering, do ag oodjob overall, study a

44、ndsolveproblemsin atimelymanner. Progressevaluati onbythegrass-roots party buildingthi s year,to st udye ducation a s the primaryevaluation organior educationalw ork to strengt henthi s unit to thesystem studya nd educati on in theregi onspecifi c guidance. Organizationdepartments,asthe leadde partm

45、ent,tostre ngthe nthe planning, organizati on, coordinationa nd g uida nce,goodde sign, decomposition,each keyaction to implement.Carry outstudyand educati on,t o relyon stri ct docreal gui de,I_ 一- I 一-.111. . I 一 II - I. II . L L.-zations,poor organizati on,t he problems aremany,tocriticize,toacco

46、unta bility.Main i s responsiblefor comrade t oconsciouslypressureconveyinglayer upon layer, stepbyste p, co mpaction ofresponsibility.Insteeringt he Steering must preventformalism,up,a nd member scadre s shoe vocational duediligence com bined up,ensure successfullycompleted early determine ofthetar

47、get task,ensure successfullycompl eted levelsl eadership general task,e nsur e succe ssfully complete d povertystormingannualtarget task,ensuresocialoverall harmony stable.T hree, compa ctingthe mai n responsibi litiesand strengthent hetwo leadershipof educational organi zationsdo agoodjob twoeducat

48、ion withoutastrongorga nization andleadershi p.Partyconstructi on ofpartyorganizati onsatalllevbearupfirstresponsi bilitype opl e dutie s,notonlyt otubegood ca dres,and withg ood team,alsotot ube g ood members,a nd wit h goodteam,bot h first examples,lea d partici pate in learninge ducation,and by Q

49、ian command, inpute noug h oftime andenerg y,strengthene d Gui de a ndche cks role, on work programme personally validation, on importanttask personally deployment,on exists problem timelysol ution,throughoutputresponsibilitycarry inshoulderShang,impropershuaishouzhanggui. T he Countyparty Committee

50、and municicatch thewaythe thi nking ofprevention activities,study andeducation,preventingr outineaside,prevent simple, doi ngasmuchasmeeting note s to judgethe educationalresult s.To takereports, customized re search,attendi ngthe meeting,randomspotchecks, briefi ngsand othermeans,tofocusthe pushGui

51、deto grassr oots, on theparty bra nch,in-de pth understanding ofeducation a ndactualeffect,sum up freshexperiencet o promotegrass roots,to dete ctand corre ctthe signs ofproblems. Publi c information答題要點(diǎn)：a. 輸出電壓：用1000V 或 500V 電壓表（或萬(wàn)用表） 與試驗(yàn)臺(tái)上的電壓表比對(duì)，檢查耐壓測(cè)試儀輸出電壓是否正常。b. 報(bào)警功能：可稍加電壓后短接其輸出，檢查報(bào)警是否正常；c. 時(shí)間控制

52、功能：用秒表比對(duì)。2、耐壓測(cè)試儀、接地電阻測(cè)試儀的主要性能、參數(shù)要求有哪些？答題要點(diǎn)：a. 耐壓測(cè)試儀：1） 具有足夠的功率以維持試驗(yàn)電壓，可以不考慮漏電流；2）應(yīng)具有報(bào)警功能；3）時(shí)間控制功能；4）輸出電壓應(yīng)在試驗(yàn)電壓的范圍內(nèi)。b.接地電阻測(cè)試儀：輸出電流不小于10A ,電阻測(cè)量范圍0-100m Q以上。3、保護(hù)電路連續(xù)性措施檢查與保護(hù)電路有效性驗(yàn)證有無(wú)區(qū)別，并請(qǐng)說(shuō)明或舉例？答題要點(diǎn)：有。a. 保護(hù)電路連續(xù)性措施檢查是指目測(cè)是否采取保護(hù)措施而言的，例如：檢查是否裝爪墊，裝電器元件的門是否與主接地點(diǎn)有軟線連接；b.保護(hù)電路有效性驗(yàn)證是使用儀器檢測(cè)，驗(yàn)證接地措施是否有效，例如：測(cè)量接地電阻是否小

53、于100m Qo4、 IP33 的含義是什么？如何檢查？答題要點(diǎn)：a.防止學(xué)力12.5固體異物接近危險(xiǎn)部件；防淋水。b.用2.5mm的試棒對(duì)產(chǎn)品外殼進(jìn)行檢查，施加3 0.3N ,看是否能插入；用淋水設(shè)備在水壓為 50kpa-150kpa與垂直方向60范圍內(nèi)淋水，流量為10L/min ，外殼的表面積1min/m 2，最少 5min ，觀察是否有滲漏現(xiàn)象。5、為什么電流互感器的二次回路不允許接熔斷器？答題要點(diǎn)：電流互感器開路時(shí)會(huì)產(chǎn)生以下危害：a.鐵心過(guò)熱，甚至燒毀互感器。b.由于二次繞組匝數(shù)很多，會(huì)感應(yīng)出危險(xiǎn)的高電壓，危及人身和設(shè)備安全。6、為什么要將設(shè)備金屬外殼接地？答題要點(diǎn)：見 P147當(dāng)帶電

54、體絕緣被破壞或其他原因使外殼出現(xiàn)足夠高的電壓時(shí)，人碰上會(huì)產(chǎn)生觸電危險(xiǎn)7、安全防護(hù)措施中為保證保護(hù)電路連續(xù)在產(chǎn)品結(jié)構(gòu)上采取的措施是什么？答題要點(diǎn)：P147a. 裸露導(dǎo)電件之間及其附件與保護(hù)電路之間具有連續(xù)性b. 保證裝置內(nèi)的所有帶電運(yùn)行的金屬外殼都能有效接地，通過(guò)接地線或裝置外殼相連形成保護(hù)回路c. 門、蓋板、遮板等部件上若裝有電器元件應(yīng)采取接地措施8、選用測(cè)量用互感器時(shí)，應(yīng)注意什么方面？答題要點(diǎn)：P142考慮準(zhǔn)確度級(jí)次，常用的有0.5， 0.2 級(jí)；還應(yīng)注意其帶負(fù)載能力，所接儀表內(nèi)阻與連接導(dǎo)線的內(nèi)阻之和不得大于互感器的額定二次負(fù)載。9、絕緣導(dǎo)線的選擇須考慮那些要求？答題要點(diǎn)：P143a.導(dǎo)線的

55、額定電壓應(yīng)高于裝置的工作電壓；epartment sshoul dpay specialatte ntion t opubli c opi nion,in -depth i nformation rel atingtopr ovincial,munici paland Ce ntraldeci sionsa ndarrangeme nts to promote educati onal effectivenessand progressofthe typi cal experience, andcreate agood socialatmosphere.Second,persevering i

56、 n above rates.Leadi ngbodies at all lev els,lea dership,lea dingca dres should takethe lead,a s agoodexample,a nd aski ngot hers to do youfirst do it, asks ofothers a nd notth emselves determined notto do,for example ofsuperiortosubordi nate,teamleader forteammembers for example, leveltolev el,levelwith level s,layersofdrive n model, layer upon laye r,formation ofthe shots,the overallgeneraleffect of linkage.Need stressedofis,regardles