NK铁硅磁粉心
NK(FeSi)Magnetic Powder Cores
|
南京新康达磁业有限公司研发和生产的NK系列铁硅磁粉心具有优异的直流叠加特性和较低的功率损耗,主要应用于光伏及风力发电逆变器、大功率UPS电源、有源电力滤波器、新能源汽车和轨道交通动力系统、电梯电源系统等。 NK磁粉心由FeSi合金粉末与全无机绝缘剂组成,内部有均匀分布的气隙。与同类产品相比,NK磁粉心具有更优异的直流叠加特性和更高的安全可靠性。 NK磁粉心直流叠加特性与铁镍相近,功率损耗略高于铁镍,价格明显低于铁镍。与铁镍磁粉心相比,NK磁粉心具有更高的性价比。NK磁粉心直流叠加特性远远优于铁硅铝磁粉心,功率损耗虽高于铁硅铝磁粉心,但明显低于普通的铁粉心。 |
材料特性Material Characteristics
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|
磁粉心型号(例) |
材料牌号 |
磁导率 |
颜色 |
|
|
NK075 |
75 |
棕色 |
|
NK060 |
60 |
||
|
NK050 |
50 |
||
|
NK026 |
26 |
||
|
NK014 |
14 |
■ 环形铁硅磁粉心尺寸
|
型号 |
喷涂前 |
喷涂后 |
有效截 面积 Ae(cm2) |
有效磁路长度 le(cm) |
有效 体积 Ve(cm3) |
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|
OD (mm) |
ID (mm) |
HT (mm) |
OD,max (mm) |
ID,min (mm) |
HT,max (mm) |
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|
NK127□□□ |
12.70 |
7.62 |
4.75 |
13.50 |
7.00 |
5.45 |
0.1140 |
3.12 |
0.356 |
|
NK166□□□ |
16.60 |
10.20 |
6.35 |
17.40 |
9.50 |
7.11 |
0.1920 |
4.11 |
0.789 |
|
NK173□□□ |
17.30 |
9.65 |
6.35 |
18.00 |
9.00 |
7.11 |
0.232 |
4.14 |
0.960 |
|
NK203□□□ |
20.30 |
12.70 |
6.35 |
21.10 |
12.10 |
7.11 |
0.226 |
5.09 |
1.15 |
|
NK229□□□ |
22.9 |
14.0 |
7.62 |
23.60 |
13.40 |
8.37 |
0.331 |
5.67 |
1.88 |
|
NK234□□□ |
23.6 |
14.4 |
8.89 |
24.30 |
13.70 |
9.70 |
0.388 |
5.88 |
2.28 |
|
NK270□□□ |
26.9 |
14.7 |
11.20 |
27.60 |
14.10 |
11.90 |
0.654 |
6.35 |
4.15 |
|
NK330□□□ |
35.8 |
22.4 |
10.5 |
36.71 |
21.50 |
11.28 |
0.678 |
8.98 |
6.09 |
|
NK358□□□ |
39.9 |
24.1 |
14.5 |
40.70 |
23.30 |
15.37 |
1.072 |
9.84 |
10.5 |
|
NK400□□□ |
46.7 |
24.1 |
18.0 |
47.64 |
23.32 |
18.92 |
1.990 |
10.74 |
21.37 |
|
NK467□□□ |
46.7 |
28.7 |
15.2 |
47.64 |
27.92 |
16.13 |
1.340 |
11.63 |
15.58 |
|
NK468□□□ |
50.8 |
31.8 |
13.3 |
51.80 |
30.80 |
14.40 |
1.251 |
12.73 |
15.93 |
|
NK508□□□ |
57.2 |
26.4 |
15.2 |
58.00 |
25.60 |
16.10 |
2.29 |
12.50 |
28.62 |
|
NK571□□□ |
57.2 |
35.6 |
14.0 |
58.00 |
34.74 |
14.86 |
1.444 |
14.30 |
20.65 |
|
NK572□□□ |
77.8 |
49.2 |
12.7 |
78.95 |
48.20 |
13.9 |
1.76 |
19.6 |
34.5 |
|
NK778□□□ |
77.8 |
49.2 |
15.9 |
78.95 |
48.20 |
17.1 |
2.21 |
19.6 |
43.4 |
■ 环形铁硅磁粉心电感因数AL (nH/N2)
|
磁导率 |
26 |
60 |
75 |
|
NK127□□□ |
12 |
27 |
34 |
|
NK166□□□ |
15 |
35 |
43 |
|
NK173□□□ |
19 |
43 |
53 |
|
NK203□□□ |
14 |
32 |
41 |
|
NK229□□□ |
19 |
43 |
54 |
|
NK234□□□ |
22 |
51 |
63 |
|
NK270□□□ |
32 |
75 |
94 |
|
NK330□□□ |
28 |
61 |
76 |
|
NK358□□□ |
24 |
56 |
70 |
|
NK400□□□ |
35 |
81 |
101 |
|
NK467□□□ |
59 |
135 |
169 |
|
NK468□□□ |
37 |
86 |
107 |
|
NK508□□□ |
32 |
73 |
91 |
|
NK571□□□ |
60 |
138 |
172 |
|
NK572□□□ |
33 |
75 |
94 |
|
NK777□□□ |
30 |
68 |
85 |
|
NK778□□□ |
35 |
85 |
107 |