kopia lustrzana https://github.com/miguelvaca/vk3cpu
Added power loss P(W).
miguel
rodzic
037cd80b39
commit
49cc5f6608
101
toroid.html
101
toroid.html
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@ -47,28 +47,29 @@
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<input type="range" id="conductor_diameter_slider" min="0" max="40" value="20" step="1">
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</div>
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<div class="sliders">
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<label for="loop_turns_slider">N:</label>
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<label for="loop_turns_slider">N%:</label>
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<input type="range" id="loop_turns_slider" min="1" max="100" value="20.0" step="0.1">
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</div>
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<div class="sliders">
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<label for="frequency_slider">f:</label>
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<input type="range" id="frequency_slider" min="0.0" max="4.0" value="2.0" step="0.02">
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</div>
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<div class="sliders">
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<label for="voltage_slider">Vrms:</label>
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<input type="range" id="voltage_slider" min="1.0" max="200.0" value="10.0" step="0.2">
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</div>
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<div class="sliders">
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<label for="frequency_slider">f:</label>
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<input type="range" id="frequency_slider" min="0.0" max="4.0" value="2.0" step="0.02">
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</div>
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</div>
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<div id="notes" class="notes">
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<br>
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<b><u>Notes:</u></b><br>
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RF Toroid Calculator was developed to help users predict the RF characteristics of a toroid-wound inductor. <br><br>
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RF Toroid Calculator was developed to help users predict the RF characteristics of a ferrite toroid wound as an inductor.
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Uses the manufacturer's (Fair-Rite) published data.<br><br>
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<u>Inputs via the slider widgets:</u>
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<ul>
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<li>⌀a : Conductor diameter slider changes AWG from 0-40.</li>
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<li>N : Number of turns or windings.</li>
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<li>f : The frequency of interest (MHz) for some of the calculations.</li>
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<li>Vrms : The RMS voltage applied to the inductor (Volts).</li>
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<li>AWG : Select the wire gauge. Slider L-R changes AWG from 40-0.</li>
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<li>N% : Selects the number of turns or windings. Maximum (100%) is reached when the wires are adjacent at the toroid's inner radius.</li>
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<li>Vrms : The RMS voltage applied to the inductor (Volts). Determines the flux-density (B) and field-intensity (H) within the ferrite toroid.</li>
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<li>f : Shifts the frequency of interest left-to-right. Left towards kHz, right towards GHz. </li>
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</ul>
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<p>Characteristics on the left are independent of frequency, while the characteristics on the right are dependent on the selected frequency. <br><br>
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Each of the graphic representations attempt to keep the relative geometry correct, without exceeding the drawing boundary. The coil diameter
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@ -348,6 +349,7 @@
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X_vs_f : [],
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Q_vs_f : [],
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i_vs_f : [],
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P_vs_f : [],
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mu1_vs_f: [],
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mu2_vs_f: [],
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@ -386,26 +388,6 @@
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return [mu_1, mu_2];
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}
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/*
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function getComplexPermeability(frequency) {
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// Use the proximityResistance look-up table and interpolate values depending on the spacing ratio and the number of turns.
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var mu_1 = 0.0;
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var mu_2 = 0.0;
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var i = 0;
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for (i = 0; i < (cores[material].complex_mu.freq.length-1); i++) {
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if(frequency <= cores[material].complex_mu.freq[i+1]) {
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// Linear interpolation between empirical proximity resistance values:
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mu_1 = (((frequency - cores[material].complex_mu.freq[i]) / (cores[material].complex_mu.freq[i+1] - cores[material].complex_mu.freq[i])
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* (cores[material].complex_mu.mu_1[i+1] - cores[material].complex_mu.mu_1[i])) + cores[material].complex_mu.mu_1[i]);
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mu_2 = (((frequency - cores[material].complex_mu.freq[i]) / (cores[material].complex_mu.freq[i+1] - cores[material].complex_mu.freq[i])
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* (cores[material].complex_mu.mu_2[i+1] - cores[material].complex_mu.mu_2[i])) + cores[material].complex_mu.mu_2[i]);
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break;
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}
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}
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return [mu_1, mu_2];
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}
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*/
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function getImpedance(frequency) {
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const mu = getComplexPermeability(frequency);
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//console.log(mu);
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@ -459,6 +441,10 @@
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return toroid.i_vs_f;
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}
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function calculatePowerLoss() {
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return toroid.P_vs_f;
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}
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function calculateH() {
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return toroid.H_vs_f;
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}
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@ -493,15 +479,17 @@
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toroid.Q = qualityFactor(toroid.Xl, toroid.Rac);
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// Calculate impedance:
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/*
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toroid.Z = math.complex(toroid.Rac, toroid.Xl).toPolar();
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toroid.I = 1.414 * toroid.Vrms / toroid.Z.r;
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toroid.H_peak = (0.4 * Math.PI * toroid.N * toroid.I) / toroid.core.le;
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*/
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toroid.Z_vs_f = [];
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toroid.R_vs_f = [];
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toroid.X_vs_f = [];
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toroid.Q_vs_f = [];
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toroid.i_vs_f = [];
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toroid.P_vs_f = [];
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toroid.mu1_vs_f = [];
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toroid.mu2_vs_f = [];
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toroid.H_vs_f = [];
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@ -524,7 +512,7 @@
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const II = math.divide(toroid.Vrms, ZZ).toPolar();
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toroid.i_vs_f.push({x:freq, y:(II.r*1e3)});
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toroid.P_vs_f.push({x:freq, y:(Z.real * II.r**2)});
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toroid.Z_vs_f.push({x:freq, y:(ZZ.toPolar().r)});
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const H = ((0.4 * Math.PI * toroid.N * 1.414 * II.r) / toroid.core.le);
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@ -550,6 +538,7 @@
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myChart.data.datasets[6].data = calculatePermeability2();
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myChart.data.datasets[7].data = calculateH();
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myChart.data.datasets[8].data = calculateB();
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myChart.data.datasets[9].data = calculatePowerLoss();
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myChart.update();
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}
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@ -567,6 +556,7 @@
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myChart.data.datasets[6].data = calculatePermeability2();
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myChart.data.datasets[7].data = calculateH();
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myChart.data.datasets[8].data = calculateB();
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myChart.data.datasets[9].data = calculatePowerLoss();
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myChart.update();
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}
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@ -579,6 +569,7 @@
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myChart.data.datasets[4].data = calculateCurrent();
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// myChart.data.datasets[5].data = calculatePermeability1();
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// myChart.data.datasets[6].data = calculatePermeability2();
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myChart.data.datasets[9].data = calculatePowerLoss();
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myChart.update();
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}
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@ -593,6 +584,7 @@
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// myChart.data.datasets[6].data = calculatePermeability2();
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myChart.data.datasets[7].data = calculateH();
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myChart.data.datasets[8].data = calculateB();
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myChart.data.datasets[9].data = calculatePowerLoss();
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myChart.update();
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}
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@ -608,6 +600,7 @@
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myChart.data.datasets[6].data = calculatePermeability2();
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myChart.data.datasets[7].data = calculateH();
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myChart.data.datasets[8].data = calculateB();
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myChart.data.datasets[9].data = calculatePowerLoss();
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myChart.update();
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}
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@ -622,6 +615,7 @@
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myChart.data.datasets[6].data = calculatePermeability2();
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myChart.data.datasets[7].data = calculateH();
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myChart.data.datasets[8].data = calculateB();
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myChart.data.datasets[9].data = calculatePowerLoss();
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myChart.update();
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}
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@ -903,6 +897,7 @@
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fctx.textAlign = "left";
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const L = toroid.L * 1.0e+6;
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fctx.fillText("L = " + L.toFixed(0).toString() + " \u03bcH", 8, 18);
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/*
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if(toroid.frequency_hz >= 1.0e6) {
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var freq = 1e-6 * toroid.frequency_hz;
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fctx.fillText("f = " + freq.toFixed(1) + " MHz", 8, 32);
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@ -910,10 +905,11 @@
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var freq = 1e-3 * toroid.frequency_hz;
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fctx.fillText("f = " + freq.toFixed(1) + " kHz", 8, 32);
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}
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fctx.fillText("Vrms = " + toroid.Vrms.toFixed(1) + " V", 8, 46);
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fctx.fillText("Rdc = " + toroid.Rdc.toFixed(3) + " \u03A9", 8, 60);
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fctx.fillText("C = " + (toroid.C*1e12).toFixed(1) + " pF", 8, 74);
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fctx.fillText("SRF = " + (toroid.SRF*1e-6).toFixed(2) + " MHz", 8, 88);
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*/
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fctx.fillText("Vrms = " + toroid.Vrms.toFixed(1) + " V", 8, 32);
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fctx.fillText("Rdc = " + toroid.Rdc.toFixed(3) + " \u03A9", 8, 46);
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fctx.fillText("Ceff = " + (toroid.C*1e12).toFixed(1) + " pF", 8, win_height - 28);
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fctx.fillText("SRF = " + (toroid.SRF*1e-6).toFixed(2) + " MHz", 8, win_height - 14);
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fctx.textAlign = "center";
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fctx.font = "bold 16px courier";
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@ -949,15 +945,15 @@
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// Top right text:
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fctx.textAlign = "right";
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fctx.fillText("Material = " + cores[material].mat, win_width-18, 18);
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fctx.fillText(material + " Material", win_width-18, 18);
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fctx.fillText("\u03bci = " + cores[material].mu_i, win_width-18, 32);
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fctx.fillText("B = " + cores[material].B + " G", win_width-18, 46);
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fctx.fillText("H = " + cores[material].H + " Oe", win_width-18, 60);
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fctx.fillText("Br = " + cores[material].Br + " G", win_width-18, 74);
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fctx.fillText("Hc = " + cores[material].Hc + " Oe", win_width-18, 88);
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fctx.fillText("Tc = " + cores[material].Tc + " C", win_width-18, 102);
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fctx.fillText("\u03C1 = " + cores[material].R.toPrecision(2) + " \u03A9", win_width-18, 116);
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fctx.fillText("[" + cores[material].mat + "]", win_width-18, 130);
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/*
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// Draw spacing text: (gap is to avoid collision of spacing and length texts)
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@ -985,7 +981,7 @@
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data: {
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datasets: [
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{
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label: 'Z (\u03A9)',
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label: '|Z| (\u03A9)',
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fill: false,
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borderColor: 'black',
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backgroundColor: 'black',
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@ -1064,8 +1060,17 @@
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data: calculateB(),
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borderWidth: 1,
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yAxisID: 'bID'
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},
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{
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label: 'P(W)',
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fill: false,
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borderColor: 'rgb(50,50,50)',
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backgroundColor: 'rgb(100,100,100)',
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data: calculatePowerLoss(),
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borderWidth: 1,
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yAxisID: 'wattsID'
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}]
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},
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},
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options: {
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responsive: true,
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maintainAspectRatio: false,
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@ -1168,13 +1173,27 @@
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},
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min: 0.0,
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position: 'right',
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},
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'wattsID' : {
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type: 'linear',
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display: 'auto',
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title: {
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display: true,
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text: 'W',
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color: 'rgb(50,50,50)',
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font: {
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weight : 'bold'
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}
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},
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min: 0.0,
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position: 'right',
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}
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},
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plugins : {
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//showLines: true,
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mode : 'nearest',
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title: {
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display: true,
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display: false,
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text: "Property vs Frequency",
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},
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tooltip: {
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