8
绗竴绔?/p>
鐢佃矾鐨勫熀鏈蹇靛拰鍩烘湰瀹氬緥
涔犻瑙ｇ瓟
1-1
鍦ㄥ浘
1-39
鎵�绀虹殑鐢佃矾涓紝鑻?/p>
I
1
=4A
锛?/p>
I
2
=5A
锛岃璁＄畻
I
3
銆?/p>
U
2
鐨勫�硷紱鑻?/p>
I
1
=4A
锛?/p>
I
2
=3A
锛岃璁＄畻
I
3
銆?/p>
U
2
銆?/p>
U
1
鐨勫�硷紝鍒ゆ柇鍝簺鍏冧欢鏄數婧愶紵鍝簺鏄礋杞斤紵骞堕獙璇佸姛鐜囨槸
鍚﹀钩琛°�?/p>
瑙ｏ細瀵硅妭鐐?/p>
a
搴旂敤
KCL
寰?/p>
I
1+
I
3
=
I
2
鍗?/p>
4+
I
3
=5,
鎵�浠?/p>
I
3
=1A
鍦ㄥ彸杈圭殑鍥炶矾涓紝搴旂敤
KVL
寰?/p>
6
飩?/p>
I
2
+20
飩?/p>
I
3
=
U
2
锛屾墍浠?/p>
U
2
=50V
鍚岀悊锛岃嫢
I
1
=4A
锛?/p>
I
2
=3A
锛屽埄鐢?/p>
KCL
鍜?/p>
KVL
寰?/p>
I
3
= -1A
锛?/p>
U
2
= -2V
鍦ㄥ乏杈圭殑鍥炶矾涓紝搴旂敤
KVL
寰?/p>
20
飩?/p>
I
1
+6
飩?/p>
I
2
=
U
1
锛屾墍浠?/p>
U
1
=98V
銆?/p>
U
1
锛?/p>
U
2
閮芥槸鐢垫簮銆?/p>
鐢垫簮鍙戝嚭鐨勫姛鐜囷細
P
鍙?/p>
=
U
1
I
1
+
U
2
I
3
=98
飩?/p>
4+2=394W
璐熻浇鍚告敹鐨勫姛鐜囷細
P
鍚?/p>
=20
2
1
I
+6
2
2
I
+20
2
3
I
=394W
浜岃�呯浉绛夛紝鏁翠釜鐢佃矾鍔熺巼骞宠 銆?/p>
1-2
鏈変竴鐩存祦鐢靛帇婧愶紝
鍏堕瀹氬姛鐜?/p>
P
N
=200W
锛?/p>
棰濆畾鐢靛帇
U
N
=50V
锛?/p>
鍐呴樆
R
o
=0.5
惟
锛?/p>
璐熻浇鐢甸樆
R
L
鍙互璋冭妭锛屽叾鐢佃矾濡傚浘
1-40
鎵�绀恒�傝瘯姹傦細鈶撮瀹氬伐浣滅姸鎬佷笅鐨勭數娴佸強璐?/p>
杞界數闃?/p>
R
L
鐨勫ぇ灏忥紱鈶靛紑璺姸鎬佷笅鐨勭數婧愮鐢靛帇锛涒懚鐢垫簮鐭矾鐘舵�佷笅鐨勭數娴併�?/p>
瑙ｏ細鈶?/p>
A
U
P
I
N
N
N
4
50
200
飥?/p>
飥?/p>
飥?
飦?/p>
飥?/p>
飥?
飥?/p>
5
.
12
4
50
N
N
L
I
U
R
鈶?/p>
飥?/p>
飩?/p>
飥?/p>
飥?/p>
飥?/p>
0
R
I
U
U
U
N
N
S
OC
50+4
飩?/p>
0.5 = 52V
鈶?/p>
A
R
U
I
S
SC
104
5
.
0
52
0
飥?/p>
飥?/p>
飥?
鍥?/p>
1-39
涔犻
1-1
鍥?/p>
鍥?/p>
1-40
涔犻
1-2
鍥?/p>
1-3
涓�鍙?/p>
110V
銆?/p>
8W
鐨勬寚绀虹伅锛岀幇鍦ㄨ鎺ュ湪
220V
鐨勭數婧愪笂锛岄棶瑕佷覆澶氬ぇ闃诲�肩殑