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鎮ㄧ従(xi脿n)鍦ㄧ殑浣嶇疆锛� 涓湅鍌冲嫊缍�(w菐ng) > 鎶€琛�(sh霉)闋婚亾 > 鎶€琛�(sh霉)鐧剧 > 姘哥鍚屾闆绘(j墨)鍔涚煩鎺у埗锛歋PWM鑸嘢VPWM鍩虹(ch菙)绡�

姘哥鍚屾闆绘(j墨)鍔涚煩鎺у埗锛歋PWM鑸嘢VPWM鍩虹(ch菙)绡�

鏅�(sh铆)闁擄細2018-10-29 09:58:13渚嗘簮锛氱恫(w菐ng)绲�(lu貌)浣滆€�

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PWM鐨勭悊璜栦緷鎿�(j霉)锛氭矕閲忕瓑鏁堝師鐞�

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閫欏€嬬悊璜栨槸鏁�(sh霉)瀛�(xu茅)瀹跺€戞悶鐞嗚珫鍒嗘瀽鎼炲嚭渚嗙殑锛屼絾鏄皪鐣�(d膩ng)鍓嶅熀浜庡崐灏�(d菐o)楂旂殑瑷�(j矛)绠楁(j墨)闆㈡暎鎺у埗绯荤当(t菕ng)鑰岃█锛堥噺瀛愯▓(j矛)绠楀強鍜岀敓鐗╄▓(j矛)绠楁(j墨)涓嶇煡閬撴槸浠€涔堥妯e瓙锛�锛屾渶绨″柈鐨勪篃鏈€鍙鐨勬柟寮忛’鐒跺氨鏄彧绲�0鎴栬€�1鐨勯枊闂�(gu膩n)淇¤櫉锛屽洜姝ゅ熀浜庣洰鍓嶄汉椤炵殑鎶€琛�(sh霉)姘村钩锛屽湒a锛夐噷闈㈢殑鏂规尝鐨勬柟寮忓氨鏄渶鐞嗘兂鐨勯伕鎿囦簡銆�

SPWM锛氭寮﹁剤瀵(di脿o)鍒�

姝e鸡鑴堝瑾�(di脿o)鍒剁殑鎬濇兂姣旇純瀹规槗绨″柈绮楁毚锛屽湪寰楀埌伪杌稿拰尾杌搁浕澹撲互鍚�锛屽啀鍋氫竴娆″弽CLARK璁婃彌灏卞彲浠ュ緱鍒伴浕姗�(j墨)鐨勪笁鐩告寮﹂浕澹揤a,Vb,Vc锛岀敤涓€鍊嬩笁瑙掓尝鍋氳(di脿o)鍒跺緸鑰屽緱鍒版瘡涓€鐩镐笂鐨勬柆娉俊铏�銆傜浉闆诲鍜岀窔闆诲鐨勯兘鏄寮︽尝銆�

浠ラ浕婧愰浕澹�12V鐐轰緥锛屽湪閫欑ó瑾�(di脿o)鍒舵柟寮忎笅鐨勭浉闆诲宄板嘲鍊兼渶澶氳兘閬�(d谩)鍒�12V锛屽洜姝ょ窔闆诲鐨勫嘲宄板€兼渶澶氳兘閬�(d谩)鍒帮紝姣嶇窔闆诲鍒╃敤鐜囩偤

鍦ㄤ换鎰忔檪(sh铆)鍒�锛孷a+Vb+Vc=1.5*姣嶇窔闆诲銆傦紙骞呭€肩浉绛変笁鍊嬩簰宸�120搴︾殑姝e鸡涔嬪拰A*sin蠅t+A*sin锛埾塼+120掳锛�+A*sin锛埾塼+240掳锛�=1.5*A锛�

SVPWM锛氱┖闁撶煝閲忚(di脿o)鍒�

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