2021骞存敞鍐�(c猫)闆绘埃宸ョ▼甯€婄櫦(f膩)杓歌畩闆汇€嬪皥妤�(y猫)鑰冭│鐪熼绮鹃伕锛堜竴锛�



绶ㄨ集鎺ㄨ枽锛�2021骞存敞鍐�(c猫)闆绘埃宸ョ▼甯€冭│鏅�(sh铆)闁撳強鍫�(b脿o)鍚嶆檪(sh铆)闁�
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2021骞存敞鍐�(c猫)闆绘埃宸ョ▼甯€婄櫦(f膩)杓歌畩闆汇€嬪皥妤�(y猫)鑰冭│鐪熼绮鹃伕锛堜竴锛�
1銆侀浕鍔涚郴绲�(t菕ng)涓几闆荤窔璺灦绌哄湴绶氶噰鐢ㄥ垎娈电禃绶f柟寮忕殑鐩殑鏄紙锛�銆傘€愬柈閬搁銆�
A.娓涘皬闆跺簭闃绘姉
B.鎻愰洟杓搁€佸閲�
C.澧炲挤(qi谩ng)瑾橀浄鏁堟灉
D.闄嶄綆绶氳矾鎼嶈€�
姝g⒑绛旀:D
2銆�—鑷�(t谩i)椤嶅畾鍔熺巼鐐�200MW鐨勬苯杓櫦(f膩)闆绘(j墨)锛岄瀹氶浕澹�10.5kV锛宑osψn = 0. 85锛屽叾鏈夐棞(gu膩n)闆绘姉妯�(bi膩o)骞哄€肩偤(鍙冩暩(sh霉)鐐轰互鐧�(f膩)闆绘(j墨)椤嶅畾瀹归噺鐐哄熀婧�(zh菙n)鐨勬(bi膩o)骞哄€硷級锛岀櫦(f膩)闆绘(j墨)鍦ㄩ瀹氶浕澹撲笅绌鸿級閬�(y霉n)琛屾檪(sh铆)绔儴绐佺劧涓夌浉鐭矾锛孖k\'\'鐐猴紙锛�?锛佺窢鑺渪椤屻€�
A.107. 6kA
B.91.48kA
C.76. 1kA
D.60. 99kA
姝g⒑绛旀:A
3銆佹彁楂樹笉鍧囧嫽闆诲牬(ch菐ng)涓惈闆滆唱(zh矛)浣庡搧璩�(zh矛)绲曠罚娌瑰伐闋绘搳绌块浕澹撶殑鏈夋晥鏂规硶鏄紙锛�?锛佺窢鑺渪椤屻€�
A.闄嶄綆閬�(y霉n)琛岀挵(hu谩n)澧冩韩搴�
B.娓涘皬姘i珨鍦ㄦ补閲嶇殑婧惰В閲�
C.鏀瑰杽闆诲牬(ch菐ng)鍧囧嫽绋嬪害
D.娌归噸瑷�(sh猫)缃浐楂旂禃绶e睆闅�
姝g⒑绛旀:C
4銆佹湁鍏╄嚭(t谩i)閫f帴绲勭浉鍚�锛岄瀹氶浕澹撶浉鍚岀殑璁婂鍣ㄥ苟鑱�(li谩n)閬�(y霉n)琛岋紝鍏堕瀹氬涓栧垎鍒ョ偤Sn1=3200kVA锛孲n2= 5600kVA锛岀煭璺樆鎶楁(bi膩o)骞哄€肩偤锛屼笉瑷�(j矛)闃绘姉瑙掔殑宸垾锛岀暥(d膩ng)?sh霉)璋濇厡_(t谩i)婊胯級锛岀浜岃嚭(t谩i)鎵€渚涜矤(f霉)杓夌偤锛堬級?锛佺窢鑺渪椤屻€�
A. 3428. 5kVA
B.5226. 67kVA
C.5600. 5V
D.5625. 5V
姝g⒑绛旀:A
5銆佸湪楂樺缍�(w菐ng)涓窔璺覆鑱�(li谩n)闆诲鍣ㄧ殑鐩殑鏄紙锛�銆傘€愬柈閬搁銆�
A.瑁�(b菙)鍎熺郴绲�(t菕ng)瀹规€х劇(w煤)鍔熻(di脿o)澹�
B.瑁�(b菙)鍎熺郴绲�(t菕ng)鎰熸€х劇(w煤)鍔熻(di脿o)澹�
C.閫氶亷(gu貌)娓涘皯绶氳矾闆绘姉瑾�(di脿o)澹�
D.閫忛亷(gu貌)娓涘皯绶氳矾闆绘姉鎻愰珮杓搁€佸閲�
姝g⒑绛旀:D
6銆佸悓姝ョ櫦(f膩)闆绘(j墨)鑸囧ぇ闆荤恫(w菐ng)骞惰伅(li谩n)鏅�(sh铆)锛屽苟鑱�(li谩n)姊濅欢涓櫎鐧�(f膩)闆绘(j墨)闆诲灏忎簬闆荤恫(w菐ng)闆诲10%澶�锛屽叾浠栨浠跺潎宸叉豢瓒�锛屾鏅�(sh铆)鑻ュ悎闁樺苟鑱�(li谩n)锛岀櫦(f膩)闆绘(j墨)灏囷紙锛�銆� 銆愬柈閬搁銆�
A.鐢�(ch菐n)鐢熷緢澶ч浕娴侊紝浣跨櫦(f膩)闆绘(j墨)涓嶈兘骞剁恫(w菐ng)
B.鐢�(ch菐n)鐢熶笉澶х殑闆绘祦锛屾闆绘祦鏄浕鎰熻几鍑洪浕娴�
C.鐢�(ch菐n)鐢熶笉澶х殑闆绘祦锛屾闆绘祦鏄浕瀹硅几鍑洪浕娴�
D.鐢�(ch菐n)鐢熶笉澶х殑闆绘祦锛屾闆绘祦鏄磾鍔熺巼杓稿嚭闆绘祦
姝g⒑绛旀:C
绛旀瑙f瀽:濡傛灉闋荤巼鍜屾尝褰㈤兘涓€鑷�锛屼絾鐧�(f膩)闆绘(j墨)鑸囬浕缍�(w菐ng)鐨勯浕澹撳瓨鍦ㄥ亸宸�锛屽墖鍦ㄧ姰闆绘(j墨)鍜岄浕缍�(w菐ng)闁撶敘(ch菐n)鐢熶竴鍊�(g猫)鐠�(hu谩n)娴�锛屽嵆娌栨搳闆绘祦锛屽嵆锛� 鍏朵腑U2鐐虹櫦(f膩)闆绘(j墨)闆诲锛孶1鐐洪浕缍�(w菐ng)闆诲锛孹鏄櫦(f膩)闆绘(j墨)闆绘姉銆傜敱浜庣櫦(f膩)闆绘(j墨)闆诲灏忎簬闆荤恫(w菐ng)闆诲10%锛屽嵆U2=0.9U1锛屽墖娌栨搳闆绘祦锛氬彲瑕�(ji脿n)锛屾矕鎿婇浕娴佹化鍚庝簬闆荤恫(w菐ng)闆诲90°锛岀偤闆绘劅鎬ч浕娴�銆�
7銆佷竴鑷�(t谩i)涓夌浉鍏サ鎰熸噳(y墨ng)闆诲嫊(d貌ng)姗�(j墨)锛屽畾瀛�Δ閫f帴锛孶n = 380V,f1=50Hz锛孭n =7. 5kW锛�ηN= 960r/min锛岄瀹氳矤(f霉)杓夋檪(sh铆)cosψ1=0. 824锛屽畾瀛愰妳鑰�474W锛岄惖鑰�231W銆傛(j墨)姊版悕鑰�45W銆傞檮鍔犳悕鑰�37. 5W銆傚墖椤嶅畾璨�(f霉)杓夋檪(sh铆)杞�(zhu菐n)瀛愰妳鑰桺cu2鐐猴紙锛�?锛佺窢鑺渪椤屻€�
A.315. 9W
B.329. 1W
C.312.5W
D.303. 3W
姝g⒑绛旀:A
8銆�—鑷�(t谩i)涓插嫷(l矛)鐩存祦闆诲嫊(d貌ng)姗�(j墨)锛岃嫢鎶婇浕鍒锋棆鏃嬭綁(zhu菐n)鏂瑰悜鍋忛洟纾佸牬(ch菐ng)骞句綍涓€х窔涓€鍊�(g猫)涓嶅ぇ瑙掑害锛岃ō(sh猫)闆绘(j墨)鐨勯浕妯為浕娴佷繚鎸佷笉璁�锛屾鏅�(sh铆)闆诲嫊(d貌ng)姗�(j墨)鐨勮綁(zhu菐n)閫熷皣锛堬級?锛佺窢鑺渪椤屻€�
A.闄嶄綆
B.淇濇寔涓嶈畩
C.鍗囬珮
D.鍙嶈綁(zhu菐n)
姝g⒑绛旀:A
9銆佷粙璩�(zh矛)鐐虹┖姘g殑涓€骞虫澘闆诲鍣紝鏉块枔璺濋洟鐐篸锛岃垏闆诲U0閫f帴鏅�(sh铆)锛屽叐鏉块枔鐨勭浉浜掍綔鐢ㄥ姏鐐篺锛屾柗闁�(k膩i)闆绘簮鍚庯紝灏囪窛闆㈠绺嚦d/2锛屽墖鍏╂澘闁撶殑鐩镐簰浣滅敤鍔涚偤锛堬級銆� 銆愬柈閬搁銆�
A.f
B.2f
C.4f
D.6f
姝g⒑绛旀:A
10銆佺櫦(f膩)闆绘(j墨)浠ヤ綆浜庨瀹氬姛鐜囧洜鏁�(sh霉)閬�(y霉n)琛屾檪(sh铆)锛堬級?锛佺窢鑺渪椤屻€�
A.Pg澧炲ぇ锛孮g娓涘皬锛孲n涓嶈畩
B.Pg澧炲ぇ锛孮g娓涘皬锛孲n娓涘皬
C.Pg娓涘皬锛孮g澧炲ぇ锛孲n涓嶈畩
D.Pg娓涘皬锛孮g澧炲ぇ锛孲n娓涘皬
姝g⒑绛旀:D
绛旀瑙f瀽:鍔熺巼鍥犳暩(sh霉)浣庝簬鍜屽畾鍊兼檪(sh铆)锛岀櫦(f膩)闆绘(j墨)鐨勬湁鍔熷姛鐜囧皣闄嶄綆锛岀敱浜庡姛鐜囧洜鏁�(sh霉)瓒婁綆锛屽畾瀛愰浕娴佺殑鐒�(w煤)鍔熷垎閲忚秺澶�锛岀敱浜庢劅鎬х劇(w煤)鍔熻捣鍘荤浣滅敤锛屾墍浠ユ笡寮变富纾侀€氱殑浣滅敤瓒婂ぇ锛岀偤浜嗙董鎸佺櫦(f膩)闆绘(j墨)绔浕澹撲笉璁�锛屾渻(hu矛)浣胯綁(zhu菐n)瀛愰浕娴佽秴閬�(gu貌)椤嶅畾鍊硷紝鐩告噳(y墨ng)鐨勬悕鑰楀澶�锛岀櫦(f膩)闆绘(j墨)鐨勬晥鐜囬檷浣�銆傚洜姝�锛岀暥(d膩ng)鐧�(f膩)闆绘(j墨)浣庝簬椤嶅畾鍊奸亱(y霉n)琛屾檪(sh铆)锛屾湁鍔熷姛鐜囷紙鍑哄姏锛夐檷浣�锛岀劇(w煤)鍔熷姛鐜囨彁楂�锛屼絾绺界殑瑕栧湪鍔熺巼鏄檷浣庣殑銆�
11銆�—鑷�(t谩i)骞跺嫷(l矛)鐩存祦闆诲嫊(d貌ng)姗�(j墨)锛�锛岄浕妯炲洖璺附闆婚樆锛堝寘鎷浕鍒锋帴瑙搁浕闃伙級Ra= 2Ω?锛孎(xi脿n)閲囩敤闆绘鍥炶矾涓帴闆婚樆璧峰嫊(d貌ng)锛岄檺鍒惰捣鍕�(d貌ng)闆绘祦鐐�1.5In(蹇界暐鍕�(l矛)纾侀浕娴侊級銆傛墍涓查浕闃婚樆鍊肩偤锛堬級?锛佺窢鑺渪椤屻€�
A.1.63Ω
B.1.76Ω
C.1.83Ω
D.1.96Ω
姝g⒑绛旀:A
绛旀瑙f瀽:杓稿叆鍔熺巼锛氶瀹氶浕娴侊細闄勫姞璧峰嫊(d貌ng)闆婚樆锛�
12銆佹牎椹�(y脿n)闆绘埃瑷�(sh猫)鍌欑殑鐔辩┅(w臎n)瀹氬拰闁�(k膩i)鏂疯兘鍔涙檪(sh铆)锛岄渶瑕佸悎鐞嗗湴纰哄畾鐭矾瑷�(j矛)绠楁檪(sh铆)闁擄紝鍦ㄦ牎椹�(y脿n)闆绘埃瑷�(sh猫)鍌欓枊(k膩i)鏂疯兘鍔涙檪(sh铆)锛屼互涓嬬煭璺▓(j矛)绠楁檪(sh铆)闁撴纰虹殑鏄紙锛�?锛佺窢鑺渪椤屻€�
A.绻奸浕淇濊(h霉)涓讳繚璀�(h霉)鍕�(d貌ng)浣滄檪(sh铆)闁�
B.绻奸浕淇濊(h霉)鍚庡倷淇濊(h霉)鍕�(d貌ng)浣滄檪(sh铆)闁�
C.绻奸浕淇濊(h霉)涓讳繚璀�(h霉)鍕�(d貌ng)浣滄檪(sh铆)闁�+鏂疯矾鍣ㄥ浐灏囧垎闁樻檪(sh铆)闁�
D.绻奸浕淇濊(h霉)鍚庡倷淇濊(h霉)鍕�(d貌ng)浣滄檪(sh铆)闁�+鏂疯矾鍣ㄥ浐鏈夊垎闁樻檪(sh铆)闁�
姝g⒑绛旀:C
绛旀瑙f瀽:銆婂皫(d菐o)楂斿拰闆诲櫒閬告搰瑷�(sh猫)瑷�(j矛)鎶€琛�(sh霉)瑕�(gu墨)瀹氥€�(DL/T 5222—2005)鐨勭浉闂�(gu膩n)瑕�(gu墨)瀹氬涓嬶細绗�9.2.2姊濓細鍦ㄦ牎鏍告柗璺櫒鏂锋祦鑳藉姏鏅�(sh铆)锛屽疁鍙栨柗璺櫒瀵�(sh铆)闅涢枊(k膩i)鏂锋檪(sh铆)闁擄紙涓讳繚璀�(h霉)鍕�(d貌ng)浣滄檪(sh铆)闁撹垏鏂疯矾鍣ㄥ垎闁樻檪(sh铆)闁撲箣鍜岋級鐨勭煭璺浕娴佷綔鐐烘牎椹�(y脿n)姊濅欢銆�
13銆佸湪涓€鍊�(g猫)鐢盧銆丩鍜孋涓夊€�(g猫)鍏冧欢鐩哥墷鑱�(li谩n)鐨勯浕璺腑锛岃嫢绺介浕澹揢銆侀浕瀹归浕澹揢c鍙奟L鍏╃鐨勯浕澹揢RL鍧囩偤100V锛屼笖R=10Ω锛屽墖闆绘祦I鐐猴紙锛�銆傘€愬柈閬搁銆�
A.10A
B.5A
C.8. 66A
D.5. 77A
姝g⒑绛旀:C
14銆佹煇涓夌浉闆诲姏璁婂鍣ㄥ付闆婚樆闆绘劅鎬ц矤(f霉)杓夐亱(y霉n)琛屾檪(sh铆)锛屽湪璨�(f霉)杓夐浕娴佺浉鍚岀殑鎯呮硜涓�锛屽墖锛堬級?锛佺窢鑺渪椤屻€�
A.鍓倞闆绘墍璁婂寲鐜�ΔU瓒婂ぇ锛屾晥鐜囪秺楂�
B.鍓倞闆绘澔璁婂寲鐜�ΔU瓒婂ぇ锛屾晥鐜囪秺浣�
C.鍓倞闆籎E璁婂寲鐜�ΔU瓒婂皬锛屾晥鐜囪秺楂�
D.鍓倞闆诲璁婂寲鐜�ΔU瓒婂皬锛屾晥鐜囪秺浣�
姝g⒑绛旀:C
浠ヤ笂灏辨槸灏忕法鏁寸悊鐨�2021骞存敞鍐�(c猫)闆绘埃宸ョ▼甯€婄櫦(f膩)杓歌畩闆汇€嬪皥妤�(y猫)鑰冭│鐪熼绮鹃伕锛堜竴锛�锛屽笇鏈涘彲浠ュ公鍔╁埌鑰冪敓鍊�銆傛澶栵紝鐠�(hu谩n)鐞冪恫(w菐ng)鏍″皬绶ㄩ倓绺界祼(ji茅)浜�2021骞存敞鍐�(c猫)闆绘埃宸ョ▼甯€冭│鍫�(b脿o)鑰冩寚鍗�銆佹ā鎿│椤�銆侀珮闋昏€冮粸(di菐n)绛夊倷鑰冭硣鏂欙紝鏈夐渶瑕佺殑鑰冪敓鍙粸(di菐n)鎿婁笅鏂规寜閳曞厤璨�(f猫i)涓嬭級锛屾洿澶氬倷鑰冭硣鏂欐寔绾�(x霉)鏇存柊涓€�
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