空芯线圈电感计算公式 | 您所在的位置:网站首页 › 地感线圈大小计算公式是什么 › 空芯线圈电感计算公式 |
➤01 空心线圈 在网页 Coil Inductance Calculator 给出了空心线圈电感量的公式和网页计算器。可以分别对于单层空心线圈、多层空心线圈以及单层螺旋空心线圈电感计算公式。 在下面公式中: N = Number of turnsr = Coil radius in inchesl = Coil length in inchesd = Winding depth in inchesL = Inductance in microhenrys (μH) 1.单层空芯线圈线圈尺寸: 线圈电感: L = r 2 N 2 9 r + 10 l μ H L = {{r^2 N^2 } \over {9r + 10l}}\,\,\,\,\mu H L=9r+10lr2N2μH 2.多层空芯线圈线圈尺寸: 线圈电感: L = 0.8 ( r 2 N 2 ) 6 r + 9 l + 10 d μ H L = {{0.8\left( {r^2 N^2 } \right)} \over {6r + 9l + 10d}}\,\,\,\,\mu H L=6r+9l+10d0.8(r2N2)μH 3.单层螺旋线圈线圈尺寸: 线圈电感: L = r 2 N 2 8 r + 11 d μ H L = {{r^2 N^2 } \over {8r + 11d}}\,\,\,\,\mu H L=8r+11dr2N2μH ➤02 网页计算公式 1.计算结果 下面是根据 空心线圈计算公式 网页中给出计算交互界面,对于博文中 单管发报机的神奇之处-身兼两职 中高频振荡器空心线圈电感量计算。 线圈参数分别是: 线圈直径:8mm,d=0.31496inches; r=0.1578inches.线圈长度:20mm线圈匝数:10匝其中 毫米(mm)到英寸(inch)之间的换算关系: L i n c h = L m m 25.4 L_{inch} = {{L_{mm} } \over {25.4}} Linch=25.4Lmm ➤03 不同的计算公式 1.复杂公式 R. Weaver’s article Numerical Methods for Inductance Calculation L s = 0.002 π D N 2 [ ln ( 1 + π D 2 l ) + ( 2.3004 + 3.437 l D + 1.7636 ( l D ) 2 − 0.47 ( 0.75 + D l ) 1.44 ) − 1 ] L_s = 0.002\pi DN^2 \left[ {\ln \left( {1 + {{\pi D} \over {2l}}} \right) + \left( {2.3004 + 3.437{l \over D} + 1.7636\left( {{l \over D}} \right)^2 - {{0.47} \over {\left( {0.75 + {D \over l}} \right)^{1.44} }}} \right)^{ - 1} } \right] Ls=0.002πDN2⎣⎡ln(1+2lπD)+(2.3004+3.437Dl+1.7636(Dl)2−(0.75+lD)1.440.47)−1⎦⎤ D is the coil former diameter in cm,l is the coil length in cm,N is the number of turns, andL is the inductance in μH.➤※ 参考文献 Inductors and Transformers An introduction to the art of Solenoid Inductance Calculation With emphasis on radio-frequency applications Inductor resonance and self-resonance experiments The self-resonance and self-capacitance of solenoid coils |
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