n
銆婄數鍔涙嫋鍔ㄨ嚜鍔ㄦ帶鍒剁郴缁?/p>
鈥?/p>
杩愬姩鎺у埗绯荤粺銆嬩範棰?/p>
2-2
璋冮�熺郴缁熺殑璋冮�熻寖鍥存槸
1000~100r/min
锛?/p>
瑕佹眰闈欏樊鐜?/p>
s=2%
锛?/p>
閭ｄ箞绯荤粺鍏佽鐨勭ǔ鎬侀�熼檷
鏄?/p>
澶氬皯锛?/p>
瑙ｏ細绯荤粺鍏佽鐨勭ǔ鎬侀�熼檷
鈭?/p>
n
N
=
sn
min
(1
鈭?/p>
s
)
=
0.02
脳
100
(1
鈭?/p>
0.02)
=
2.04(
r
min
)
2-5
鏌愰緳闂ㄥ埁搴婂伐浣滃彴閲囩敤鏅堕椄绠℃暣娴佸櫒
-
鐢靛姩鏈鸿皟閫熺郴缁熴�傚凡鐭ョ洿娴佺數鍔ㄦ満
P
N
=
60
kW
锛?
U
N
=
220
V
锛?/p>
I
N
=
305
A
锛?/p>
n
N
=
1000
r
min
锛?/p>
涓?/p>
鐢?/p>
璺?/p>
鎬?/p>
鐢?/p>
闃?/p>
R
=
0.18
鈩?nbsp;
锛?
C
e
=
0.2
V
鈥?/p>
min
r
锛屾眰锛?
锛?/p>
1
锛夊綋鐢垫祦杩炵画鏃讹紝鍦ㄩ瀹氳礋杞戒笅鐨勮浆閫熼檷钀?/p>
鈭?/p>
n
N
涓哄灏戯紵
锛?/p>
2
锛夊紑鐜郴缁熸満姊扮壒鎬ц繛缁鍦ㄩ瀹氳浆閫熸椂鐨勯潤宸巼
s
N
澶氬皯锛?/p>
锛?/p>
3
锛夐瀹氳礋杞戒笅鐨勮浆閫熼檷钀?/p>
鈭?/p>
n
N
涓哄灏戯紝鎵嶈兘婊¤冻
D
=
20,
s
鈮?/p>
5%
鐨勮姹傘�?
瑙ｏ細
锛?/p>
1
锛夊綋鐢垫祦杩炵画鏃讹紝鍦ㄩ瀹氳礋杞戒笅鐨勮浆閫熼檷钀?/p>
鈭?/p>
n
N
=
I
N
R
=
305
脳
0.18
=
274.5(
r
min
)
C
e
0.2
锛?/p>
2
锛夊紑鐜郴缁熸満姊扮壒鎬ц繛缁鍦ㄩ瀹氳浆閫熸椂鐨勯潤宸巼
s
N
=
N
鈭?/p>
n
N
+
鈭?/p>
n
N
=
274.5
鈮?/p>
0.215
=
21.5%
1000
+
274.5
锛?/p>
3
锛夐瀹氳礋杞戒笅婊¤冻
D
=
20,
s
鈮?/p>
5%
瑕佹眰鐨勮浆閫熼檷钀?/p>
鈭?/p>
n
N
=
n
N
s
D
(1
鈭?/p>
s
)
=
1000
脳
0.05
20
脳
(1
鈭?/p>
0.05)
鈮?/p>
2.63(
r
min
)