銆�銆�涓�闋绘劅鎳�(y墨ng)鍔犵啽闆绘簮,鎸夊叾璨�(f霉)杓夎�ф尟鍥炶矾鐨勪笉鍚�,鍙� 鍒嗙偤涓茶伅(li谩n)璜ф尟鍜屽苟鑱�(li谩n)璜ф尟鍏╁ぇ椤�,灏嶆噳(y墨ng)浣跨敤闆诲�撳瀷閫嗚畩鍣� 鍜岄浕娴佸瀷閫嗚畩鍣�.涓�闋婚浕婧愬�氶噰鐢ㄥ苟鑱�(li谩n)璜ф尟閫嗚畩鐨勫伐浣滄柟 寮�,闆昏矾鍘熺悊濡傚湒1.

銆�銆�鍏跺伐浣滃師鐞嗘槸閲囩敤涓夌浉姗嬪紡浜屾サ绠� 鏁存祦闆昏矾灏囦笁鐩镐氦娴侀浕鏁存祦鐐虹洿娴侀浕,鍐嶇敱 V0 绲勬垚鐨勬柆 娉㈠櫒妲�(g貌u)鎴愬彲瑾�(di脿o)鐨勭洿娴侀浕婧�, 缍�(j墨ng)骞虫尝闆绘姉鍣ㄥ悗, 鍐嶉�氶亷 IGBT 绲勬垚鐨勫柈鐩告�嬪紡閫嗚畩鍣�,鎶婄洿娴侀浕閫嗚畩鎴愰牷鐜囧彲瑾�(di脿o)鐨勫柈鐩� 浜ゆ祦闆讳緵绲︽劅鎳�(y墨ng)绶氬湀鍜岃��(b菙)鍎熼浕瀹瑰櫒绲勬垚鐨勪腑闋婚浕婧� 瀹冪敱涓�鍊� C196 鍏�(n猫i)鏍�,8KB EPROM,涓�鍊� 涓夌浉娉�浜掕��(b菙) SPWM 娉㈠舰鐧�(f膩)鐢熷櫒 WFG 鍜屼竴鍊嬩簨浠惰檿鐞嗗櫒 闄ｅ垪 EPA,鍏�(n猫i)閮ㄧ殑 A/D 杞�(zhu菐n)鎻涘櫒,鏈夊叐鍊� 16 浣嶉洐鍚戝畾鏅� 鍣�/瑷堟暩(sh霉)鍣� T 1,T2鍜屼竴鍊嬭剤瀵�瑾�(di脿o)鍒跺柈鍏� PWM 绛夌祫鎴�.瀹� 鑳界洿鎺ヨ几鍑� SPWM 娉㈠舰,寰炶�屼娇閫嗚畩闆昏矾鎺у埗鏇村姞绨� 鍠�,澶栧湇纭�浠跺ぇ澶х啊鍖�.瑭插柈鐗囨��(j墨)涓昏�佺敤浜庢帶鍒跺拰鏁�(sh霉)鎿�(j霉) 铏曠悊.鍦ㄦ帶鍒剁畻娉曚笂閲囩敤妯＄硦鎺у埗绠楁硶.鍠�鐗囨��(j墨)鐢�(ch菐n)鐢熻級 娉㈢偤 20 kHz 鐨� SPWM 鑴堟矕淇¤櫉,鐢辫剤瀵�瑾�(di脿o)鍒朵俊铏熻几鍑�, 閫氶亷椹�(q奴)鍕曢浕璺�鍔犲�� IGBT 鐨勬煹妤�,鎺у埗閫嗚畩闆昏矾姝ｅ父宸� 浣�.

銆�銆�IGBT 浣滅偤涓�闋绘劅鎳�(y墨ng)鍔犵啽闆绘簮鐨勪富瑕佸姛鐜囧櫒浠舵湁浠ヤ笅骞惧�嬬壒榛�(di菐n):

銆�銆�(1)鑹�濂界殑鑷�闂�(gu膩n)鏂锋�ц兘;

銆�銆�(2)閫氭厠(t脿i)闆婚樆鍏锋湁姝� 婧�搴︾郴鏁�(sh霉);

銆�銆�(3)IGBT 淇濊��(h霉)鎶�琛�(sh霉)瀹屽杽;

銆�銆�(4)闁嬮棞(gu膩n)闋荤巼楂�,瀹� 鍏ㄨ�嗚搵浣庨��,涓�闋�,瓒呴煶闋绘�甸��;

銆�銆�(5)瀹归噺澶�.

銆�?銆�?锛塈GBT涓�闋婚浕婧愭槸涓�绋�閲囩敤涓茶��(li谩n)璜ф尟寮忕殑涓�闋绘劅鎳�(y墨ng)鐔旂厜鐖�锛屽畠鐨勯�嗚畩鍣ㄤ欢鐐轰竴绋�鏂板瀷IGBT妯″�婏紙绲曠罚鏌甸洐妤靛瀷鏅堕珨绠★紝寰峰湅鐢熺��(ch菐n)锛�锛屽畠涓昏�佺敤浜庣啍鐓夋櫘閫氱⒊绱犻嫾銆佸悎閲戦嫾銆侀憚閶笺�佹湁鑹查噾灞�銆傚畠鍏锋湁鐔斿寲閫熷害蹇�銆佺瘈(ji茅)鑳�銆侀珮娆¤�ф尝姹℃煋浣庣瓑鍎�(y艒u)榛�(di菐n)銆�

銆�銆�锛�2锛塈GBT涓�闋婚浕婧愮偤涓�绋�鎭掑姛鐜囪几鍑洪浕婧�锛屽姞灏戦噺鏂欏嵆鍙�閬�(d谩)鍒版豢鍔熺巼杓稿嚭锛屽苟涓斿�嬬祩淇濇寔涓嶈��锛屾墍浠ョ啍鍖栭�熷害蹇�锛涘洜閫嗚畩閮ㄥ垎閲囩敤涓茶伅(li谩n)璜ф尟锛屼笖閫嗚畩闆诲�撻��锛屾墍鏈塈GBT涓�闋绘瘮鏅�閫氬彲鎺х�呬腑闋荤瘈(ji茅)鑳�锛汭GBT涓�闋婚噰鐢ㄨ��(di脿o)闋昏��(di脿o)鍔�锛屾暣娴侀儴鍒嗛噰鐢ㄥ叏姗嬫暣娴�锛岄浕鎰熷拰闆诲�规烤娉�锛屼笖涓�鐩村伐浣滃湪500V锛屾墍浠�IGBT涓�闋荤��(ch菐n)鐢熼珮娆¤�ф尝灏�锛屽皪闆荤恫(w菐ng)鐢�(ch菐n)鐢熸薄鏌撳伐浣�銆�

銆�銆�锛�3锛夌瘈(ji茅)鑳藉瀷IGBT鏅堕珨绠′腑闋婚浕婧愭瘮鍌崇当(t菕ng)鍙�鎺х�呬腑闋婚浕婧愬彲绡�(ji茅)鑳�15%-25%,绡�(ji茅)鑳界殑涓昏�佸師鍥犳湁浠ヤ笅骞句笅鏂归潰锛�

銆�銆�A銆侀�嗚畩闆诲�撻��锛岄浕娴佸皬锛岀窔璺�鎼嶈�楀皬锛屾�ら儴鍒嗗彲绡�(ji茅)鑳�15%宸﹀彸锛岀瘈(ji茅)鑳藉瀷IGBT鏅堕珨绠′腑闋婚浕婧愰�嗚畩闆诲�撶��2800V锛岃�屽偝绲�(t菕ng)鍙�鎺х�呬腑闋婚浕婧愰�嗚畩闆诲�撳儏鐐�750V锛岄浕娴佸皬浜嗚繎4鍊�锛岀窔璺�鎼嶈�楀ぇ澶ч檷浣�銆�

銆�銆�B銆佸姛鐜囧洜鏁�(sh霉)楂�锛屽姛鐜囧洜鏁�(sh霉)濮嬬祩澶т簬0.98锛岀劇鍔熸悕鑰楀皬锛屾�ら儴鍒嗘瘮鍙�鎺х�呬腑闋婚浕婧愮瘈(ji茅)鑳�3%-5%銆傜敱浜庣瘈(ji茅)鑳藉瀷IGBT鏅堕珨绠′腑闋婚浕婧愰噰鐢ㄤ簡鍗婂彲鎺ф暣娴佹柟寮忥紝鏁存祦閮ㄥ垎涓嶈��(di脿o)鍙�鎺х�呭皫(d菐o)閫氳��锛屾墍浠ユ暣鍊嬪伐浣滈亷绋嬪姛鐜囧洜鏁�(sh霉)濮嬬祩澶т簬0.98锛岀劇鍔熺巼鎼嶈�楀皬銆�

銆�?銆�?锛夐珮娆¤�ф尝骞叉摼锛氶珮娆¤�ф尝涓昏�佷締鑷�鏁存祦閮ㄥ垎瑾�(di脿o)澹撴檪鍙�鎺х�呯敘(ch菐n)鐢熺殑姣涘埡闆诲��锛屾渻鍤�(y谩n)閲嶆薄鏌撻浕缍�(w菐ng)锛屽皫(d菐o)鑷村叾浠栬ō(sh猫)鍌欑劇娉曟�ｅ父宸ヤ��锛岃�岀瘈(ji茅)鑳藉瀷IGBT鏅堕珨绠′腑闋婚浕婧愮殑鏁存祦閮ㄥ垎 閲囩敤鍗婂彲鎺ф暣娴佹柟寮�锛岀洿娴侀浕澹撳�嬬祩宸ヤ綔鍦�锛屼笉瑾�(di脿o)灏�(d菐o)閫氳�掞紝鎵�浠ュ畠涓嶆渻鐢�(ch菐n)鐢熼珮娆¤�ф��锛屼笉鏈冩薄鏌撻浕缍�(w菐ng)銆佽畩澹撳櫒锛岄枊闂�(gu膩n)涓嶇櫦(f膩)鐔�锛屼笉鏈冨共鎿惧伐寤犲収(n猫i)鍏朵粬闆诲瓙瑷�(sh猫)鍌欓亱(y霉n)琛屻��

銆�?銆�?锛夋亽鍔熺巼杓稿嚭锛氬彲鎺х�呬腑闋婚浕婧愰噰鐢ㄨ��(di脿o)澹撹��(di脿o)鍔�锛岃�岀瘈(ji茅)鑳藉瀷IGBT鏅堕珨绠′腑闋婚浕婧愰噰鐢ㄨ��(di脿o)闋昏��(di脿o)鍔�锛屽畠涓嶅彈鐖愭枡澶氬皯鍜岀垚瑗�鍘氳杽鐨勫奖闊匡紝鍦ㄦ暣鍊嬬啍鐓夐亷绋嬩腑淇濇寔鎭掑姛鐜囪几鍑�锛屽挨鍏舵槸鐢熺敘(ch菐n)涓嶉姽閶�銆侀妳銆侀媮绛変笉灏�(d菐o)纾佺墿璩�(zh矛)鏅�锛屾洿椤�绀哄畠鐨勫��(y艒u)瓒婃��锛岀啍鍖栭�熷害蹇�锛岀垚鏂欏厓绱�?z茅)榫榩灏�锛岄檷浣庨憚閫犳垚鏈�銆�

銆�銆�(1)IGBT 绠＄敱浜庢湁婕忔煹瀵勭敓闆� 瀹圭殑瀵嗗嫆鏁堟噳(y墨ng),鑳藉紩璧锋剰澶栫殑灏栧嘲闆诲�撴悕瀹崇�″瓙,鎵�浠ユ噳(y墨ng) 鐢ㄦ檪璁撴煹妤甸浕璺�鐨勯樆鎶楄冻澶犱綆浠ョ洝閲忔秷闄ゅ叾璨�(f霉)闈㈠奖闊�;

銆�銆�(2) 鏌垫サ涓茶伅(li谩n)闆婚樆鍜岄﹨(q奴)鍕曢浕璺�鍏�(n猫i)闃绘姉灏� IGBT 鐨勯枊閫氶亷绋�,椹�(q奴) 鍕曡剤娌栫殑娉㈠舰鏈夊緢澶у奖闊�.鎳�(y墨ng)鐢ㄦ檪鎳�(y墨ng)缍滃悎鑰冩叜;

銆�銆�(3)鎳�(y墨ng)閲� 鐢ㄦ參闄嶆煹澹撴妧琛�(sh霉)渚嗘帶鍒舵晠闅滈浕娴佺殑涓嬮檷閫熺巼,寰炶�屾姂鍒跺櫒

銆�銆�(4)鍦ㄥ伐浣� 浠剁殑 dv/d 鍜� ce鐨勫嘲鍊�,閬�(d谩)鍒扮煭璺�淇濊��(h霉)鐨勭洰鐨�; 闆绘祦杓冨ぇ鐨勬儏娉佷笅,鐐轰簡娓涘皬闂�(gu膩n)鏂烽亷闆诲��,鎳�(y墨ng)鐩￠噺娓涘皬涓� 闆昏矾鐨勫竷绶氶浕鎰�,鍚告敹闆诲�瑰櫒鎳�(y墨ng)閲囩敤浣庢劅鍨�.

銆�銆�igbt涓�闋婚浕婧愮敱浜庡叿鏈夊姞鐔遍�熷害蹇�,鐔辨晥鐜囬珮鍜岀劇绌烘埃姹℃煋绛夊劒(y艒u) 榛�(di菐n),鎰熸噳(y墨ng)鍔犵啽鏄�涓�绋�鍏堥��(j矛n)鐨勫姞鐔辨柟寮�,鍙�浠ュ唬娉涘湴鎳�(y墨ng)鐢� 浜庣啍鐓�,鐔遍��,娣�鐏�,閲戝爆琛ㄩ潰铏曠悊绛夊伐妤�(y猫)鍔犲伐闋�(l菒ng)鍩�.