鎶€琛�(sh霉)闋婚亾

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鎮ㄧ従(xi脿n)鍦ㄧ殑浣嶇疆锛� 涓湅鍌冲嫊(d貌ng)缍�(w菐ng) > 鎶€琛�(sh霉)闋婚亾 > 鎶€琛�(sh霉)鐧剧 > 璁婇牷鍣ㄧ殑閬哥敤鎺у埗瀹夎

璁婇牷鍣ㄧ殑閬哥敤鎺у埗瀹夎

鏅�(sh铆)闁擄細2021-10-09 16:00:23渚嗘簮锛�

灏�(d菐o)瑾烇細?璁婇牷鍣ㄦ槸鐝�(xi脿n)浠e伐妤�(y猫)涓唬娉涗娇鐢ㄧ殑瑷�(sh猫)鍌�銆傚鏋滀綘鎯冲(sh铆)鐝�(xi脿n)杌熷仠銆佽粺璧峰嫊(d貌ng)銆佺劇绱�(j铆)瑾�(di脿o)閫熺瓑鍔熻兘鎴�?q奴)位淇e,類︽。濂跺帴搴栴€�?锛屼綘闇€瑕佺従(xi脿n)浠g暟姝ラ浕鍕�(d貌ng)姗�(j墨)涓純鐐哄厛閫�(j矛n)鐨勮(di脿o)閫熻缃€斺€旇畩闋诲櫒銆�

銆€銆€璁婇牷鍣ㄦ槸鐝�(xi脿n)浠e伐妤�(y猫)涓唬娉涗娇鐢ㄧ殑瑷�(sh猫)鍌欍€傚鏋滀綘鎯冲(sh铆)鐝�(xi脿n)杌熷仠銆佽粺璧峰嫊(d貌ng)銆佺劇绱�(j铆)瑾�(di脿o)閫熺瓑鍔熻兘鎴�?q奴)位淇e,類︽。濂跺帴搴栴€�?锛屼綘闇€瑕佺従(xi脿n)浠g暟姝ラ浕鍕�(d貌ng)姗�(j墨)涓純鐐哄厛閫�(j矛n)鐨勮(di脿o)閫熻缃€斺€旇畩闋诲櫒銆傝┎瑁濈疆涓婚浕璺噰鐢ㄤ氦娴�-DC-浜ゆ祦闆昏矾锛屽伐浣滈牷鐜囩偤0 ~ 400璧尣銆備綆澹撻€氱敤璁婇牷鍣ㄧ殑杓稿嚭闆诲鐐�380~460 V锛岃几鍑哄姛鐜囩偤0.37~400 kW銆傜敱浜庤畩闋诲櫒鎺у埗鐨勮ō(sh猫)鍌欏彲浠ラ’钁楃瘈(ji茅)绱勯浕鑳�锛屽洜姝ゅ緱鍒板唬娉涙噳(y墨ng)鐢ㄣ€傜劧鑰�锛岃畩闋诲櫒鍦ㄥ伐浣滄檪(sh铆)鐢�(ch菐n)鐢熷毚(y谩n)閲嶇殑璜ф尝闆绘祦锛屽凡鎴愮偤闆荤恫(w菐ng)鐨勪富瑕佹薄鏌撴簮銆傝娉㈠紩璧风殑杓冨父瑕嬫晠闅滅従(xi脿n)璞℃槸鐒″姛瑁�(b菙)鍎熻缃悕澹炪€佽烦闁�銆佽畩澹撳櫒閬庣啽绛�銆�

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銆€銆€(2)闆绘祦鍖归厤:璁婇牷鍣ㄧ殑瀹归噺鍙栨焙浜庤畩闋诲櫒閫g簩(x霉)杓稿嚭鐨勯瀹氶浕娴�銆傞伕鎿囪畩闋诲櫒鏅�(sh铆)锛岄渶瑕佽(di脿o)閫熺殑闆绘(j墨)蹇呴爤閬告搰閫g簩(x霉)椤嶅畾闆绘祦澶т簬闆绘(j墨)椤嶅畾鍙冩暩(sh霉)宸ヤ綔鏅�(sh铆)椤嶅畾闆绘祦鐨勮畩闋诲櫒锛屽苟鏈夊畾閲忎綑閲�;涓€鑸�4妤典互涓婄殑璁婇牷鍣ㄤ笉鑳芥牴鎿�(j霉)闆绘(j墨)鐨勫閲忎締閬告搰锛岃€屾噳(y墨ng)鏍规摎(j霉)闆绘(j墨)鐩墠鐨勫骇妾㈡(bi膩o)婧�(zh菙n)渚嗛伕鎿囥€傚嵆浣块浕姗�(j墨)璨�(f霉)杓夎紩锛岄浕娴佸皬浜庤畩闋诲櫒椤嶅畾闆绘祦锛屾墍閬歌畩闋诲櫒涔熶笉鑳芥瘮闆绘(j墨)瀹归噺灏忓緢澶氥€�

銆€銆€(3)瀹归噺鍖归厤:鏍规摎(j霉)闆绘(j墨)涓嶅悓鐨勮矤(f霉)杓夌壒鎬�锛屽皪璁婇牷鍣ㄥ閲忕殑閬告搰鏈変笉鍚岀殑瑕佹眰銆�

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銆€銆€(1)涓€浠i噰鐢║/f=C鎺у埗锛屼篃绋辨寮﹁剤瀵(di脿o)鍒�(SPWM)鎺у埗鏂瑰紡銆傚叾鐗瑰緛鎺у埗闆昏矾绲�(ji茅)妲�(g貌u)绨″柈锛屾垚鏈綆锛屾(j墨)姊扮壒鎬у拰纭害濂�锛岃兘婊胯冻涓€鑸畩閫熷櫒骞崇┅(w臎n)瑾�(di脿o)閫熺殑瑕佹眰銆傜劧鑰�锛屽湪浣庨牷鏅�(sh铆)锛岃几鍑洪浕澹撲綆锛岄€欓檷浣庝簡杓冨ぇ杓稿嚭鎵煩锛屽苟鎯″寲浜嗕綆閫熸檪(sh铆)鐨勭┅(w臎n)瀹氭€�銆傚叾鐗瑰緛鍦ㄤ簬鐒″弽楗嬭缃殑閫熸瘮ni灏忎簬1/40锛屾湁鍙嶉鏅�(sh铆)ni=1/60銆傞仼鐢ㄤ簬涓€鑸ⅷ(f膿ng)鎵囧拰娉�銆�

銆€銆€(2)浜屼唬閲囩敤闆诲绌洪枔鐭㈤噺鎺у埗(纾侀€氳粚璺℃硶)锛屽張绋盨VPWM鎺у埗鏂瑰紡銆傚湪涓夌浉娉㈠舰鏁撮珨鐢�(ch菐n)鐢熸晥鏋滅殑鍓嶆彁涓�锛屼竴娆℃€х敘(ch菐n)鐢熶笁鐩歌(di脿o)鍒舵尝褰�锛屽苟浠ュ収(n猫i)鎺ュ閭婂舰閫艰繎鍦撶殑鏂瑰紡閫�(j矛n)琛屾帶鍒�銆傜偤浜嗘秷闄や綆閫熸檪(sh铆)瀹氬瓙闆婚樆鐨勫奖闊�锛岃几鍑洪浕澹撳拰闆绘祦閮芥槸闁夊悎鐨�锛屼互鎻愰珮鍕�(d貌ng)鎱�(t脿i)绮惧害鍜岀┅(w臎n)瀹氭€с€傚叾鐗归粸(di菐n):鐒″弽楗嬭缃�锛岄€熸瘮ni=1/100锛岄仼鐢ㄤ簬涓€鑸伐妤�(y猫)瑾�(di脿o)閫�銆�

銆€銆€(3)涓変唬閲囩敤鐭㈤噺鎺у埗銆傝畩闋昏(di脿o)閫熺煝閲忔帶鍒剁殑鏈唱(zh矛)鏄氦娴侀浕姗�(j墨)鐩哥暥(d膩ng)浜嶥C闆绘(j墨)锛岄€熷害鍜岀鍫村叐鍊�(g猫)鍒嗛噺鐛�(d煤)绔嬫帶鍒�銆傞€氶亷鎺у埗杞�(zhu菐n)瀛愮閺�锛岀劧鍚庡垎瑙e畾瀛愰浕娴�锛屽緱鍒拌綁(zhu菐n)鐭╁拰纾佸牬鍏╁€�(g猫)鍒嗛噺锛岄€氶亷鍧愭(bi膩o)璁婃彌瀵�(sh铆)鐝�(xi脿n)姝d氦鎴栬В鑰︽帶鍒�銆傚叾鐗归粸(di菐n)鏄�:鐒″弽楗嬫檪(sh铆)鐨勯€熸瘮ni=1/100锛屾湁鍙嶉鏅�(sh铆)鐨勯€熸瘮ni=1/1000锛岄浂閫熸檪(sh铆)鐨勮捣鍕�(d貌ng)杞�(zhu菐n)鐭╃偤150%銆傜敱姝ゅ彲瑕�锛岃┎鏂规硶閬╃敤浜庢墍鏈夐€熷害鎺у埗锛岄仼鐢ㄤ簬甯跺弽楗嬬殑楂樼簿搴﹀偝鍕�(d貌ng)鎺у埗銆�

銆€銆€(4)鐩存帴杞�(zhu菐n)鐭╂帶鍒�銆傜洿鎺ヨ綁(zhu菐n)鐭╂帶鍒舵槸鍗€(q奴)鍒ヤ簬鐭㈤噺鎺у埗鐨勫彟涓€绋珮鎬ц兘璁婇牷瑾�(di脿o)閫熸柟寮忋€傜閺堜豢鐪熸ā鍨嬪拰闆荤杞�(zhu菐n)鐭╂ā鍨嬪緱鍒扮閺堝拰杞�(zhu菐n)鐭�?c谩i)?sh霉)鎿�(j霉)锛岃垏绲﹀畾鍊奸€�(j矛n)琛屾瘮杓冿紝鐢�(ch菐n)鐢熼伈婊瘮杓冪媭鎱�(t脿i)淇¤櫉(h脿o)锛岀劧鍚庨€氶亷閭忚集鎺у埗鍒囨彌鍒囨彌鐙€鎱�(t脿i)锛屽(sh铆)鐝�(xi脿n)鎭掔閺堟帶鍒跺拰闆荤杞�(zhu菐n)鐭╂帶鍒�銆傜劇闇€妯′豢DC闆绘(j墨)鎺у埗锛岃┎鎶€琛�(sh霉)宸叉垚鍔熸噳(y墨ng)鐢ㄤ簬鐗藉紩闆绘(j墨)杌婄殑浜ゆ祦鍌冲嫊(d貌ng)銆傚叾鐗归粸(di菐n):鐒″弽楗嬭缃殑閫熸瘮鐐簄i=1/100锛屾湁鍙嶉瑁濈疆鐨勯€熸瘮鐐簄i=1/1000锛岄浂閫熸檪(sh铆)鐨勮捣鍕�(d貌ng)杞�(zhu菐n)鐭╁彲閬�(d谩)150% ~ 200%銆傞仼鐢ㄤ簬澶ц矤(f霉)鑽疯捣鍕�(d貌ng)鍜屾壄鐭╂尝鍕�(d貌ng)鎭掑畾鐨勫ぇ璨�(f霉)鑽�銆�

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銆€銆€(1)鐠�(hu谩n)澧冩韩搴�:璁婇牷鍣ㄧ殑鐠�(hu谩n)澧冩韩搴︽槸鎸囪畩闋诲櫒鎴潰闄勮繎鐨勬韩搴�銆傜敱浜庤畩闋诲櫒涓昏鐢辨槗鍙楁韩搴﹀奖闊跨殑澶у姛鐜囬浕鍔涢浕瀛愯ō(sh猫)鍌欑祫鎴�锛岃畩闋诲櫒鐨勫=鍛藉拰鍙潬鎬у湪寰堝ぇ绋嬪害涓婂彇姹轰簬婧害锛屼竴鑸湪-10鈩冨埌+40鈩冧箣闁�銆傛澶�锛岄倓瑕佽€冩叜璁婇牷鍣ㄦ湰韬拰鍛ㄥ湇鐠�(hu谩n)澧冩暎鐔卞彲鑳藉嚭鐝�(xi脿n)鐨勬サ绔儏娉�锛屾韩搴︿竴鑸渶瑕佷竴瀹氱殑浣欓噺銆�

銆€銆€(2)鐠�(hu谩n)澧冩繒搴�:璁婇牷鍣ㄥ懆鍦嶇挵(hu谩n)澧冪殑鐩稿皪婵曞害涓嶈秴閬�90%(琛ㄩ潰鐒$祼(ji茅)闇�)銆�

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銆€銆€(5)璁婇牷鍣ㄥ皪瀹夎鐝�(xi脿n)鍫寸殑涓€鑸姹�:鐒¤厫铦�锛岀劇鏄撶噧鏄撶垎姘i珨鎴栨恫楂�;鐒″〉銆佹紓娴殑绾栫董鍜岄噾灞绮�;閬垮厤闄藉厜鐩村皠;娌掓湁闆荤骞叉摼銆�

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