鐢靛伐鐢靛瓙鎶�鏈涔犻
绗?/p>
1
椤?/p>
鍏?/p>
17
椤?/p>
1
銆婄數宸ョ數瀛愭妧鏈�嬫湡鏈患鍚堢粌涔犻
浜屻�佺畝绛旈
1
銆佹亽鍘嬫簮鐨勬�ц川鏄粈涔堬紵
绛旓細
锛?/p>
1
锛夊畠鐨勮緭鍑虹數鍘嬪缁堟槸鎭掑畾鐨勶紝涓嶅彈杈撳嚭鐢垫祦鐨勫奖鍝嶏紱
锛?/p>
2
锛夐�氳繃瀹冪殑鐢垫祦涓嶇敱瀹冩湰韬喅瀹氾紝鐢变笌涔嬬浉杩炵殑璐熻浇鐢甸樆鍐冲畾銆?/p>
2
銆佹亽娴佹簮鐨勬�ц川鏄粈涔堬紵
绛旓細鎭掓祦婧愮殑鎬ц川涓猴紙
1
锛夊畠鐨勮緭鍑虹數娴佸缁堟槸鎭掑畾鐨勶紝涓嶅彈杈撳嚭鐢靛帇鐨勫奖鍝嶏紱
锛?/p>
2
锛夋亽娴佹簮鐨勭鐢靛帇涓嶇敱瀹冭嚜韬喅瀹氾紝鐢变笌涔嬬浉杩炵殑璐?/p>
杞界數闃诲喅瀹氥�?/p>
3
銆佽礋杞藉鍔犵殑娑典箟鏄粈涔堬紵鍦ㄨ繎浼兼亽鍘嬫簮渚涚數鎴栬繎浼兼亽娴佹簮渚涚數绯荤粺涓紝璐熻浇澧炲姞鐩稿綋浜庤礋杞界數闃诲澶ц繕鏄噺灏忥紵
绛旓細璐熻浇澧炲姞鎰忔寚鐢佃矾鐨勮緭鍑哄姛鐜囧鍔犮�傚湪杩戜技鎭掑帇婧愪緵鐢电郴缁熶腑锛岃礋杞借幏寰楃殑鍔熺巼
P=UI=
R
U
2
锛岃礋杞藉鍔犳棦鏄礋杞界數娴佸澶э紝鐩稿綋浜?
璐熻浇鐢甸樆鍑忓皬銆?/p>
鍦ㄨ繎浼兼亽娴佹簮渚涚數鐨勭郴缁熶腑锛岃礋杞借幏寰楃殑鍔熺巼
P=UI=I
2
R
锛岃礋杞藉鍔犳棦鏄礋杞界數鍘嬪澶э紝鐩稿綋浜庤礋杞界數闃诲姞澶с�?/p>
4
銆佺數鍘嬫簮妯″瀷涓庣數娴佹簮妯″瀷绛夋晥鍙樻崲鐨勬潯浠舵槸浠�涔堬紵
绛旓細濡傛灉鐢靛帇婧愭ā鍨嬬殑杈撳嚭鐢靛帇鍜岃緭鍑虹數娴佷笌鐢垫祦婧愭ā鍨嬬殑杈撳嚭鐢靛帇鍜岃緭鍑虹數娴佸搴旂浉绛夛紝鏃㈡槸璇达紝瀵瑰悓涓�澶栭儴鐢佃矾鑰岃█锛屼簩鑰呯殑浼?
瀹夌壒鎬х浉鍚岋紝閭ｄ箞涓ょ妯″瀷鍙互绛夋晥浜掓崲銆?/p>
5
銆佸熀灏旈湇澶畾寰嬬殑鍩烘湰鍐呭鏄粈涔堬紵閫傜敤鑼冨洿濡備綍锛?/p>
绛旓細
KCL
瀹氬緥锛氫换鎰忔椂鍒伙紝娴佸叆鐢佃矾涓换涓�鑺傜偣鐨勭數娴佷箣鍜屾亽绛変簬娴佸嚭璇ヨ妭鐐圭殑鐢垫祦涔嬪拰銆傛垨
飪?/p>
I
=0
KVL
瀹氬緥锛氬湪浠绘剰鏃跺埢锛屾部鐢佃矾涓换涓�闂悎鍥炶矾缁曡涓�鍛ㄥ悇娈电數鍘嬬殑浠ｆ暟鍜屾亽涓洪浂銆傛垨
飪?/p>
U
=0
6
銆佷綔涓虹嚎鎬х數璺垎鏋愪腑鐨勪竴涓噸瑕佸畾鐞嗭紝绠�杩板彔鍔犲畾鐞嗙殑鍩烘湰鍐呭鍜岄�傜敤鑼冨洿锛?/p>
绛旓細瀵逛簬鍖呭惈鏈夊涓數婧愮殑绾挎�х數璺紝鐢佃矾鏌愬厓浠朵笂鐨勭數娴佹垨鐢靛帇绛変簬姣忎釜鐢垫簮鍗曠嫭浣滅敤鍦ㄨ鍏冧欢涓婃墍浜х敓鐨勭數娴佸拰鐢靛帇鐨勪唬鏁板拰銆?
鍙犲姞瀹氱悊鍙兘鍒嗘瀽璁＄畻绾挎�х數璺腑鐨勭數娴佸拰鐢靛帇锛屼笉鑳界敤鏉ヨ绠楀姛鐜囥�?/p>
7
銆佸湪鐢佃矾鍒嗘瀽涓庤绠椾腑锛屾埓缁村崡瀹氱悊鏈�閫傚疁搴旂敤浜庡摢绉嶆儏鍐碉紵
绛旓細濡傛灉鍙渶璁＄畻鐢佃矾涓煇涓�鏀矾鐨勭數娴侊紝姝ゆ椂鏈�閫傚疁閲囩敤鎴寸淮鍗楀畾鐞?/p>
8
銆佷綍涓轰笁瑕佺礌锛熻嚜琛屽湪姝ｅ鸡浜ゆ祦鐢甸噺鐬椂娉㈠舰鍥句笂鏍囧嚭
3
瑕佺礌銆?/p>
绛旓細骞呭�笺�侀鐜囥�佸垵鐩?/p>
9
銆佺畝杩?/p>
RLC
涓茶仈鐢佃矾浜х敓涓茶仈璋愭尟鐨勭壒鐐癸紵
绛旓細
锛?/p>
1
锛夌數璺殑闃绘姉鏈�灏忓苟鍛堢數闃绘�с�?/p>
锛?/p>
2
锛夌數璺腑鐨勭數娴佹渶澶с�?/p>
锛?/p>
3
锛?/p>
XL=XC
锛屼覆鑱旇皭鎸彲鍦ㄧ數瀹瑰拰鐢垫劅涓ょ浜х敓楂樼數鍘嬨�?/p>
10
銆佺畝杩版彁楂樺姛鐜囧洜鏁扮殑鎰忎箟锛?/p>
绛旓細鐢垫簮鑳藉浼犻�佸灏戞湁鍔熷姛鐜囩粰璐熻浇锛屼笌鍔熺巼鍥犳暟
cos
飦?/p>
鐨勫ぇ灏忔湁鐩存帴鍏崇郴銆?/p>
cos
飦?/p>
=1
锛岃鏄庤緭鍑虹殑鍔熺巼鍏ㄩ儴鏄湁鍔熷姛鐜囷紝鐢垫簮璁惧寰?
鍒板厖鍒嗗埄鐢ㄣ�?/p>
cos
飦?/p>
鐨勫ぇ灏忚鏄庝簡鐢垫簮璁惧鐨勫閲忚鍒╃敤鐨勭▼搴︼紝浣庡姛鐜囧洜鏁板皢閫犳垚鐢垫簮璁惧鐨勬氮璐广�?/p>
11
銆佷笁鐩镐氦娴佺數璺腑锛岃礋杞芥槦褰㈣繛鎺ユ椂锛岀浉鐢垫祦涓庣嚎鐢垫祦锛岀浉鐢靛帇涓庣嚎鐢靛帇鏈変綍鍏崇郴锛?/p>
绛旂浉鐢垫祦涓庣嚎鐢垫祦鐨勫叧绯讳负
I
P
=I
L
鐩哥數鍘嬩笌绾跨數鍘嬬殑鍏崇郴涓?/p>
U
L
=
3
U
P
12
銆佷笁鐩镐氦娴佺數璺腑锛屽绉拌礋杞戒笁瑙掑舰杩炴帴鏃讹紝鐩哥數娴佷笌绾跨數娴侊紝鐩哥數鍘嬩笌绾跨數鍘嬫湁浣曞叧绯伙紵