公用电网各电压等级的谐波电压畸变率限值如下：
|
电网标称电压 kV |
电压总谐波畸变率% |
各次谐波电压含有率 |
|
|
奇次 |
偶次 |
||
|
0.38 |
5.0 |
4.0 |
2.0 |
|
6 |
4.0 |
3.2 |
1.6 |
|
10 |
|||
|
35 |
3.0 |
2.4 |
1.2 |
|
66 |
|||
|
110 |
2.0 |
1.6 |
0.8 |
注入公共连接点的谐波电流限值如下：
|
标准 |
基准短路 |
谐波次数及谐波电流允许值（A） |
|||||||||||||||||||||||
|
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
21 |
22 |
23 |
24 |
25 |
||
|
0.38 |
10 |
78 |
62 |
39 |
62 |
26 |
44 |
19 |
21 |
16 |
28 |
13 |
24 |
11 |
12 |
9.7 |
18 |
8.6 |
16 |
7.8 |
8.9 |
7.1 |
14 |
6.5 |
12 |
|
6 |
100 |
43 |
34 |
21 |
34 |
14 |
24 |
11 |
11 |
8.5 |
16 |
7.1 |
13 |
6.1 |
6.8 |
5.3 |
1. |
4.7 |
9.0 |
4.3 |
4.9 |
3.9 |
7.4 |
3.6 |
6.8 |
|
10 |
100 |
26 |
20 |
13 |
20 |
8.5 |
15 |
6.4 |
6.8 |
5.1 |
9.3 |
4.3 |
7.9 |
3.7 |
4.1 |
32 |
6.0 |
2.8 |
5.4 |
2.6 |
2.9 |
2.3 |
4.5 |
2.1 |
4.1 |
|
35 |
250 |
15 |
12 |
7.7 |
12 |
5.1 |
8.8 |
3.8 |
4.1 |
3.1 |
5.6 |
2.6 |
4.7 |
2.2 |
2.5 |
1.9 |
3.6 |
1.7 |
3.2 |
1.5 |
1.9 |
1.4 |
2.7 |
1.3 |
2.5 |
|
66 |
500 |
16 |
13 |
8.1 |
13 |
5.4 |
9.3 |
4.1 |
4.3 |
3.3 |
5.9 |
2.7 |
5.0 |
2.3 |
2.6 |
2.0 |
3.8 |
1.8 |
3.4 |
1.6 |
1.9 |
1.5 |
2.8 |
1.4 |
2.6 |
|
110 |
750 |
12 |
9.6 |
6.0 |
9.6 |
4.0 |
6.8 |
3.0 |
3.2 |
2.4 |
4.3 |
2.0 |
3.7 |
1.7 |
1.5 |
1.5 |
2.8 |
1.3 |
2.5 |
1.2 |
1.4 |
1.1 |
2.1 |
1.0 |
1.9 |