榛勭煶鐞嗗伐瀛﹂櫌
2011
骞寸數姘斿伐绋嬪強鍏惰嚜鍔ㄥ寲涓撲笟涓撳崌鏈�婄數璺�嬭瘯鍗?/p>
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**************
**************
鑰?/p>
鍙凤細
**************
**************
**************
**************
**************
**************
**************
**************
濮?/p>
鍚嶏細
**************
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鍏?/p>
2
椤?/p>
绗?/p>
1
椤?/p>
鑰冭瘯鏂瑰紡
闂?/p>
鍗?/p>
鍥?/p>
6
鍥?/p>
7
鍥?/p>
8
锛?/p>
锛?/p>
2
銆佸浘
7
鎵�绀虹鍙?/p>
ab
鐨勬埓缁村崡绛夋晥鐢佃矾鐨勫紑璺數鍘嬪拰绛夋晥鐢甸樆鍒嗗埆涓猴細
A. 4V
銆?/p>
5
惟
B. -4V
銆?/p>
5
惟
C. 4V
銆?/p>
1.2
惟
D. -4V
銆?/p>
1.2
惟
锛?/p>
锛?/p>
3
銆佸凡鐭ュ浘
8
涓數鍘嬭〃涓數鍘嬭〃
V1
銆?/p>
V2
鍜?/p>
V3
鐨勮鏁板垎鍒负
15 V
銆?/p>
80 V
鍜?/p>
100 V
锛屽垯鐢佃矾绔數鍘嬬殑
鏈夋晥鍊?/p>
U
涓猴細
A. 195V
B.25V
C.35V
D. 5V
鍥?/p>
9
鍥?/p>
10
锛?/p>
锛?/p>
4
銆佸鍥?/p>
9
锛屽綋
蠅
=1rad/s
鏃讹紝鐢佃矾鐨勮緭鍏ラ樆鎶椾负锛?/p>
A
锛?/p>
-j1
惟
B. j2
惟
C. j1
惟
D.
鈥?/p>
j2
惟
锛?/p>
锛?/p>
5
銆佸浘
10
鎵�绀虹數璺紝鏂规鍐呮渶绠�鍗曠殑绛夋晥涓茶仈缁勫悎鐨勫厓浠跺�间负锛?/p>
A
锛?/p>
3+j4
惟
B
锛?/p>
3-j4
惟
C
锛?/p>
4+j3
惟
D
锛?/p>
4-j3
惟
锛?/p>
锛?/p>
6
銆佷竴涓畝鍗曠殑涓茶仈鐢佃矾鐨勯樆鎶?/p>
Z=2
鈥?/p>
j5
惟锛屽垯鍙兘鐨勮仈缁撴柟寮忎负锛?/p>
A
锛?/p>
RLC
涓茶仈
B. RL
涓茶仈
C.
LC
涓茶仈
D.
鍓嶄笁绉嶆儏鍐靛潎涓嶅彲鑳?/p>
锛?/p>
锛?/p>
7
銆佸鍥?/p>
11
鎵�绀烘棤婧愪簩绔綉缁滅殑杈撳叆绔殑鐢靛帇鍜岀數娴佸垎鍒负
V
)
90
3
sin(
5
2
sin
6
84
)
sin(
14
飩?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
t
t
t
u
飦?/p>
飦?/p>
飦?/p>
锛?/p>
A
t
t
)
90
3
sin(
4
)
60
sin(
10
10
i
飩?/p>
飥?/p>
飥?/p>
飩?/p>
飥?/p>
飥?/p>
飥?/p>
飦?/p>
飦?/p>
銆?/p>
姝や簩绔綉缁滅殑鏈夊姛鍔熺巼涓猴細
A
锛?/p>
35W
B
锛?/p>
45W
C
锛?/p>
55W
D
锛?/p>
65 W
-
+
N
鍥?/p>
11
鍥?/p>
12
棰?/p>
鍙?/p>
涓�
浜?/p>
涓?/p>
鍥?/p>
浜?/p>
鍏?/p>
涓?/p>
鍏?/p>
鎬?/p>
鍒?/p>
寰?/p>
鍒?/p>
闃呭嵎浜?/p>
鏍稿垎浜?/p>
寰楀垎
涓�銆佸～绌洪
锛堟瘡灏忛
3
鍒嗭紝鍏?/p>
18
鍒嗭級
1
銆佺數璺鍥?/p>
1
鎵�绀猴紝
m
鐐圭殑鐢典綅
U
m
=
V
銆?/p>
鍥?/p>
1
鍥?/p>
2
鍥?/p>
3
2
銆佺數璺鍥?/p>
2
鎵�绀猴紝鍏冧欢
2
鎻愪緵鐨勫姛鐜囦负
W
銆?/p>
3
銆佺數璺鍥?/p>
3
鎵�绀猴紝鐢佃矾鐨勭瓑鏁堢數闃?/p>
R
ab
=
惟銆?/p>
4
銆佺數璺鍥?/p>
4
鎵�绀猴紝鐢佃矾鐨勫叆绔數闃?/p>
R
i
=
惟銆?/p>
鍥?/p>
4
鍥?/p>
5
5
銆?/p>
鏌愪笁鐩哥數璺嚎鐢靛帇
U
l
=380V
锛屽綋瀵圭О璐熻浇閲囩敤
Y
褰㈡帴娉曟椂锛屾瘡鐩歌礋杞界殑鐢靛帇
U
PY
=
锛岃嫢閲囩敤
螖
褰㈡帴娉曟椂锛屽垯姣忕浉璐熻浇鐨勭數鍘?/p>
U
P螖
=
銆?/p>
6
銆?/p>
鍥?/p>
5
涓緭鍑虹數鍘?/p>
U
0
=
銆?/p>
浜屻�?/p>
鍗曢」閫夋嫨棰?/p>
锛堜粠涓嬪垪鍚勯鍥涗釜澶囬�夌瓟妗堜腑閫夊嚭涓�涓纭殑绛旀锛?/p>
骞跺皢鍏朵唬鍙峰啓鍦ㄩ鍙峰墠闈㈢殑鎷?/p>
鍙峰唴銆傛瘡灏忛
3
鍒嗭紝鍏?/p>
24
鍒嗭級
寰楀垎
锛?/p>
锛?/p>
1
銆佺數璺鍥?/p>
6
鎵�绀猴紝鐢佃矾涓殑鐢垫簮鎻愪緵鎴栧惛鏀跺姛鐜囦负锛?/p>
A.
鐢靛帇婧愬彂鍑哄姛鐜?/p>
2W
锛涚數娴佹簮鍚告敹鍔熺巼
2W B.
鐢靛帇婧愬惛鏀跺姛鐜?/p>
2W
锛涚數娴佹簮鍙戝嚭鍔熺巼
2W
C.
鐢靛帇婧愬彂鍑哄姛鐜?/p>
2W
锛涚數娴佹簮鍙戝嚭鍔熺巼
2W D.
鐢靛帇婧愬惛鏀跺姛鐜?/p>
2W
锛涚數娴佹簮鍚告敹鍔熺巼
2W