Chuong 13 - Dây quấn phần ứng máy điện xoay chiều pdf

3

Phần thứ ba
Lý luận chung về máy điện xoay chiều

Ch*ơng 13
Dây quấn phần ứng mđ xoay chiều

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13-1. Dây quấn có q là số nguyên

13.1.1. Dây quấn một lớp
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4

Hình 13 - 2

Sơ đồ khai triển của dây quấn ba pha
đồng khuôn với Z = 24 ; 2p = 4 ; q = 2#
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Hình 13-1. Hình sao s.đ.đ. rãnh (a) và hình sao s.đ.đ.
phần tử
(b)
của dây quấn có Z

=

24, m

=

3, 2p

=

4, q

=

1, 13
2, 14
3, 15
4, 16
5, 17
6, 18
7, 19
8, 20
9, 21
10, 22
11, 23
12, 24
a)
Trục pha C
1, 13
2, 14
-7, -19
- 8, -20
-11, -23
5, 17
-12, -24
10, 22
9, 21
-3, -15
6, 18
Trục pha B

Trục pha A
b)
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5

H×nh 13 - 3

S¬ ®å khai triÓn cña d©y quÊn ba pha
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H×nh 13-5.

D©y quÊn xÕp ba pha hai líp
víi Z =24, 2p = 4, q =2, y = 5, β = 5/6
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H×nh 13 - 6
D©y quÊn sãng ba pha hai líp

Z = 24; 2p = 4; q = 1; y = 5/6τ
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của các pha (b) của dây quấn ba pha hai lớp với Z = 15; 2p = 4; q = 1
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điện trong thanh dẫn và dòng
điện trong đoạn vòng ngắn mạch
Hình 13 - 12
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