In particular, the transverse magnetic field on the level reached after the annealing,uggs outlet, the new alloy shows a more pronounced effect of magnetic field annealing. 3.2 AC frequency effective permeability of Table 2 shows the relationship between the different frequencies up to 1MHz FCII. M0i. Alloy relative effective permeability of the value, and with FNbi. The corresponding values were compared. It can be seen. Permeability of the new alloy dispersion characteristics table 2FcNblM and Nb ~ SiI of effective permeability versus frequency Ku touch 2Effec ~ mag, e ~ ~ pmmmty a mm Yo F № lMI! B · a s song. & Hill of better than, C ~ Nb, SiI Mary difference. 3.3 Figure 1 shows the high-frequency iron loss of the new alloy in f = 2o ~ 1000kHz range of amplitudes corresponding to different high-frequency magnetic flux density Lei iron loss. P and can be seen, the existence of several very good linear correlation to ask. Measurements showed that the number of P and the wind on Ke also have a fairly good linear relationship. Figure 2 shows the corresponding product or = 10. 15,abercrombie fitch,20,30 (× l · Hz) of the iron loss frequency relationship. P and can be seen,ralph lauren danmark, the logarithm is a linear relationship, although the larger crystal, in the f - 20 ~ 30kEk range of memory in less than 4% of the linear relationship with the relative deviation. As an example, Figure 2 is also expressed in the corresponding wind f - 15x10T · Hz corresponding frequency amplitude permeability relationship, we can see p. And, also on the number of linear association. In the wind f = (10 ~ 30) × IOT · Hz range, the corresponding. Less,abercrombie fitch hamburg, it is. , The basic weight curve left. Listed in Table 3 newly developed Fe ~ Cu, Nb. A M0i1A alloys and materials, some of the more typical high-frequency I foment sweeping thatch ear open t the l phase Zhang Yanzhong: switching power supply with a white spoon nanocrystalline Fe-aO ~ NbtMouB 'could get ≥ ftmz magnetic alloy ring 1 is satisfied to crystal FIllNblM Taiwan box rhyme rhyme indigo damage relations with the Jiangxi Falcon Pe,. 1 a white snail rd You Mey friends Alexandra ays ridicule FeIllNblMl,abercrombie dublin, I Ⅱ acridine lo, x a 15,3-2o ,4-30; 5 a = 15xi @ TI, a woman, a tank q curves ■ 2Corela delete ldlti Xiu n-Nb, Mo # iII Ⅱ acridine ltimcondmm ∞, wrapped 3nH (M {Taiwan box and compare materials of high Hebei iron loss Tall3lIi cylinder which Bauer mo Ai lo plot Fe0IbIMA-threatening ymde, mm ~, ison Shí l indole friends iron loss level. seen from Table 3,abercrombie singapore, a new alloy of iron loss than typical Fe-cu or -Nb-Si-B high,abercrombie madrid, although initial permeability compared with them fully, however, a new alloy of iron loss or fine Mn-zn ferrite than the day's low. 3.4 Analysis of iron loss analysis show that f = 2o ~ l (fkHz and = 0.01-0.8T range, iron loss P ∞ shuttlecock The final table to be calculated the following approximate expression fw · nr,abercrombie hamburg, = 3.567B2ffi (T) f '~ aiz) (1) in B = (10 ~ 30) x103 (r · IL ~) and f = 20 - 10 were 2.8 and 4.8cm. height of 2.0cm The core of experimental output power of 0.5 ~ lkW switching power supply transformer core as the main trial. Wffit20.65 Cave average weight of the core ,uggs kopen, the average effective cross-sectional area = 1.404c ~. half-bridge inverter circuit, the reference frequency and amplitude of shake through the density of 30kHz and 0 have the same average iron loss = 453kW · m-'. transformer efficiency is not less than 95% temperature not higher than 45 ℃. Reference Man He Ping (w · m a, = 3.033 × 10'B,! Ding /-Iz) f (kHz). (2) 4 and P-, = 6.53 × l0, plant ~% ki-Iz) (3) yoslllmvaOgutmS, ylimamblJAppiPh19 hide friends 64:6044 Zhang Zhong, Jane was stupid. Journal of plate is, 1912,28: B264 Zhang Yan secret. Science Bulletin,franklin & marshall, I Ching 22 it FlixishaldEIo blood Engimciintt. 1 grapefruit m ∞ Qing 31:116-shirt friends on draft date :1997 - through a 01 |