瀹為獙鍥?/p>
闈欑數鍦虹殑鎻忕粯
1
銆佹暀瀛︾洰鏍?/p>
(1)
瀛︿範鐢ㄦā鎷熸硶鐮旂┒闈欑數鍦猴紱
(2)
鎻忕粯鍦嗘煴褰㈢數瀹瑰櫒绋宠 鐢垫祦鍦虹殑绛夊娍绾匡紝
楠岃瘉妯℃嫙娉曠殑姝ｇ‘鎬э紝
浠庤�屽姞娣卞闈欑數鍦烘蹇电殑
鐞嗚В銆?/p>
(3)
鐢ㄤ綔鍥炬硶澶勭悊鏁版嵁銆?/p>
2
銆佹暀瀛﹂毦鐐瑰拰閲嶇偣
锛?/p>
1
锛夌悊瑙ｅ渾鏌卞舰鐢靛鍣ㄩ潤鐢靛満鐨勫垎甯?/p>
E=
C
r
锛屽彲鐢?/p>
y=
锛?/p>
ln
r
锛夊拰
x=
锛?/p>
0
/
r
U
U
锛夋槸鐩寸嚎鍏崇郴鏉?/p>
楠岃瘉锛?/p>
锛?/p>
2
锛夌悊瑙ｆā鎷熸硶鐨勫師鐞嗗拰鏂规硶锛?/p>
锛?/p>
3
锛夌悊瑙ｆ帴绾跨數璺殑璁捐鎬濇兂锛氳ˉ鍋挎硶浠ヤ娇
G
琛ㄧ數娴?
涓?/p>
0
锛屽噺灏忔帰閽堢數娴佸鐢靛満鍒嗗竷鐨勫奖鍝?/p>
銆?/p>
3
銆佸疄楠屼华鍣?/p>
DF1731
绯诲垪鐩存祦绋冲帇鐢垫簮銆?/p>
MF20
鍨嬫櫠浣撶涓囩敤鐢佃〃銆?/p>
AC5
鐩存祦妫�娴佽銆佹粦绾垮彉闃诲櫒锛?/p>
0.3A
锛?/p>
1.9K
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銆?/p>
銆?/p>
鍦嗘煴褰㈢數瀹瑰櫒鐢垫瀬
锛堝寘鎷褰曠敤瀵肩數绾搞�?/p>
澶嶅啓绾搞�?/p>
鐧界焊锛?/p>
銆?/p>
娓告爣鍗″昂銆?/p>
寮�鍏冲強瀵肩嚎
锛堢害
10
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娉細璇ュ疄楠屼笉鑳界敤鏅�氱洿娴佺數鍘嬭〃娴嬮噺锛屽洜鍏跺唴闃诲皬锛屽鐢垫祦鍦哄奖鍝嶅ぇ銆?/p>
4
銆佸疄楠屽師鐞嗚瑙ｆ瑕?/p>
锛堟暀鏉?/p>
p59
锛?/p>
4.1
璁捐鎬濇兂
闂锛氱敤鐩存祦鐢靛帇琛ㄧ洿鎺ユ祴閲忛潤鐢靛満鐨勭數鍔垮洶闅撅紝鍥犱负鐢ㄧ數鍘嬭〃蹇呴』鎺ラ�氱數娴侊紝鑰岄潤鐢靛満
涓病鏈夌數娴併�傛澶栵紝鍥犱负浣跨敤鐨勬祴閲忎华鍣ㄦ�绘槸瀵间綋鎴栫數浠嬭川锛屼笌浠櫒鐩告帴鐨勫绾挎垨鎺㈤拡蹇?/p>
鐒舵槸鑹浣擄紝杩欎簺鍧囦笉鑳界Щ鍏ヨ娴嬮潤鐢靛満鍐咃紝鍚﹀垯浼氭敼鍙樺緟娴嬮潤鐢靛満鐨勫垎甯冦�?/p>
瑙ｅ喅鏂规硶锛氱敤绋冲帇鐢垫祦鍦烘ā鎷熼潤鐢靛満鐨勫疄楠岃璁?/p>
鍒嗘瀽渚濇嵁锛氶潤鐢靛満鍜岀數娴佸満铏芥湰璐ㄤ笂涓嶅悓锛屼絾瑙勫緥褰㈠紡涓婂叿鏈夌浉浼兼�э紝
娴嬮噺鏂规硶鍙婂叾鍘熺悊锛氬埄鐢ㄩ潤鐢靛満鍜岀ǔ鎭掔數鍦虹殑鐩镐技鎬э紝鐢ㄧǔ鎭掔數鍦轰唬鏇块潤鐢靛満杩涜娴嬮噺銆?/p>
杩欑鏂规硶绉颁负妯℃嫙娉曘�?/p>
璁捐鎬濇兂锛?/p>
灏嗘祴璇曠殑鐢垫瀬鎴栧浣撶疆浜庝竴娑傛湁纰崇矇鐨勫鐢电焊涓婂苟淇濇寔鑹ソ鎺ヨЕ銆?/p>
鍐嶄笌鐩存祦鐢?/p>
婧愮浉閫氾紝渚垮湪瀵肩數绾镐笂褰㈡垚浜嗕笌琚祴鐢垫瀬鎴栧浣撲骇鐢熺殑绋宠 鐢垫祦鍦恒�傚埄鐢ㄩ珮鍐呴樆鐨勭洿娴佺數鍘?/p>
琛紝娴嬪畾绛夊娍绾匡紝鏍规嵁绛夊娍绾夸笌鐢靛満绾挎浜ょ殑鎬ц川锛屼究鍙粯鍑哄緟娴嬪満鐨勭數鍦虹嚎锛岀敱姝ゆ姹傜殑
鐢靛満鍒嗗竷灏卞畬鍏ㄦ竻妤氫簡銆?/p>
4.2
浜屽叡杞存棤闄愰暱鍧囧寑甯︾數鍦嗘煴浣撻棿鐨勯潤鐢靛満锛?/p>
P60-61
锛?/p>
璁惧唴銆佸鐢垫瀬涔嬮棿鐨勭數浣嶅垎鍒负
Ua.U
b
銆傚垯
Ua>U
b
锛屽叾宸负
U
0
=Ua-U
b
銆傚湪鐢靛満涓殑浠绘剰鐐?/p>
P
鐨?/p>
鍗婂緞涓?/p>
r
锛?/p>
P
鐐逛笌
B
鐢垫瀬鐨勭數浣嶅樊涓?/p>
Ur
锛屽垯婊¤冻锛?/p>
飪?/p>
飥?/p>
飥?/p>
r
r
a
r
a
Edr
U
U
锛?/p>
1
锛?/p>
鍙堟牴鎹珮鏂畾鐞嗭紝鐢佃嵎鍧囧寑鍒嗗竷鐨勬棤闄愰暱鍦嗘煴浣撶殑鍦哄己澶у皬涓?/p>
E=c/r
锛堝綋
r
a
<r<r
b
鏃讹級
锛?/p>
2
锛?/p>
寮忎腑
C
鐢卞渾鏌变綋涓婄嚎鐢靛瘑搴﹀喅瀹氾紝鐢变互涓婁簩寮忓彲寰?/p>