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42
鎬濊�冮绛旀
1.1
鐩存祦鐢靛姩鏈烘湁鍝嚑绉嶈皟閫熸柟寮忥紵鍚勬湁閭ｄ簺鐗圭偣锛?/p>
绛旓細
a
鏀瑰彉鐢垫灑鍥炶矾鐢甸樆璋冮�熸硶
澶栧姞鐢甸樆
Radd
鐨勯樆鍊艰秺澶э紝鏈烘鐗规�х殑鏂滅巼灏辫秺澶э紝
鐩稿悓杞煩涓嬬數鍔ㄦ満鐨勮浆閫熻秺浣?/p>
b
鍑忓急纾侀�氳皟閫熸硶
鍑忓急纾侀�氬彧鑳藉湪棰濆畾杞�熶互涓婄殑鑼冨洿鍐?/p>
璋冭妭杞�?/p>
c
璋冭妭鐢垫灑鐢靛帇璋冮�熸硶
璋冭妭鐢垫灑鐢靛帇璋冮�熸墍寰楃殑浜轰负鏈烘鐗规�т笌鐢靛姩鏈虹殑鍥烘湁
鏈烘鐗规�у钩琛岋紝杞�熺殑绋冲畾鎬уソ锛岃兘鍦ㄥ熀閫熶互涓嬪疄鐜板钩婊戣皟閫熴�?/p>
1.2
涓轰粈涔堢洿娴?/p>
PWM
鍙樻崲鍣?/p>
-
鐢靛姩鏈虹郴缁熸瘮鐩告帶鏁存祦鍣?/p>
-
鐢靛姩鏈虹郴缁熻兘澶熻幏寰楁洿濂界殑鍔ㄦ�?/p>
鎬ц兘锛?/p>
绛旓細
a PWM
鍙樻崲鍣ㄧ畝鍗曟潵璁茶皟鑺傜殑鏄剦鍐蹭覆鐨勫搴︼紝鐩存祦鎴愬垎娌℃湁鍙楀埌鐮村潖锛屼篃灏辨槸
璇村叾鏈�澶у�?/p>
=
宄板�兼槸涓嶅彉鐨勶紝鍙樼殑鏄钩鍧囧�硷紱
b
鐩告帶鏁存祦锛屾槸鐢变氦娴佹暣娴佸緱鍒扮殑鐩存祦锛岃櫧
鐒朵篃鏄钩鍧囧�煎湪鍙橈紝
浣嗘槸鍏舵渶澶у�笺�?/p>
宄板�间篃鏄殢鐫�瀵奸�氳鐨勫ぇ灏忔椂鍒诲湪鍙橈紝
涓斿閫氳瓒婂皬娉?/p>
褰㈢殑鐣稿彉瓒婁弗閲嶃�備粠鑰屽奖鍝嶄簡鐢垫満鐨勮緭鍑虹壒鎬с�?/p>
绛旓細鐩存祦
PWM
鍙樻崲鍣ㄥ拰鏅堕椄绠℃暣娴佽缃潎鍙湅浣滄槸涓�闃舵儻鎬х幆鑺傘�傚叾涓洿娴?/p>
PWM
鍙?/p>
鎹㈠櫒鐨勬椂闂村父鏁?/p>
Ts
绛変簬鍏?/p>
IGBT
鎺у埗鑴夊啿鍛ㄦ湡
锛?/p>
1/fc
锛?/p>
锛?/p>
鏅堕椄绠℃暣娴佽缃殑鏃堕棿甯告暟
Ts
閫氬父
鍙栧叾鏈�澶уけ鎺ф椂闂寸殑涓�鍗婏紙
1/
锛?/p>
2mf
锛?/p>
銆傚洜
fc
閫氬父涓?/p>
kHz
绾э紝鑰?/p>
f
閫氬父涓哄伐棰戯紙
50
鎴?/p>
60Hz
锛?/p>
涓轰竴鍛ㄥ唴锛?/p>
锛?/p>
m
鏁存祦鐢靛帇鐨勮剦娉㈡暟锛?/p>
閫氬父涔熶笉浼氳秴杩?/p>
20
鐩存祦
PWM
鍙樻崲鍣ㄩ棿甯告暟閫氬父姣旀櫠闂?/p>
绠℃暣娴佽缃椂闂村父鏁版洿灏忥紝浠庤�屽搷搴旀洿蹇紝鍔ㄦ�佹�ц兘鏇村ソ銆?/p>
1.4
绠�杩扮洿娴?/p>
PWM
鍙樻崲鍣ㄧ數璺殑鍩烘湰缁撴瀯銆?/p>
绛旓細鐩存祦
PWM
鍙樻崲鍣ㄥ熀鏈粨鏋勫鍥撅紝鍖呮嫭
IGBT
鍜岀画娴佷簩鏋佺銆備笁鐩镐氦娴佺數缁忚繃鏁?/p>
娴佹护娉㈠悗閫佸線鐩存祦
PWM
鍙樻崲鍣紝閫氳繃鏀瑰彉鐩存祦
PWM
鍙樻崲鍣ㄤ腑
IGBT
鐨勬帶鍒惰剦鍐插崰绌烘瘮锛?/p>
鏉ヨ皟鑺傜洿娴?/p>
PWM
鍙樻崲鍣ㄨ緭鍑虹數鍘嬪ぇ灏忥紝浜屾瀬绠¤捣缁祦浣滅敤銆?/p>
1.5
绛旓細涓嶄細