kopia lustrzana https://github.com/miguelvaca/vk3cpu
Added inner diameter dimension. Rotated both dimensions. Added TODO list.
miguel
rodzic
4b92b66724
commit
5bdb71354d
90
toroid.html
90
toroid.html
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@ -7,7 +7,7 @@
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<link rel="stylesheet" href="toroid.css">
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</head>
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<body>
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<header>Miguel <a href="mailto:vk3cpu@gmail.com">VK3CPU</a> - RF Toroid Calculator v0.9b<br></header>
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<header>Miguel <a href="mailto:vk3cpu@gmail.com">VK3CPU</a> - RF Toroid Calculator v0.9c<br></header>
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<section class="gridLayoutClass">
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<div id="chart-container" class="chart-container">
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<canvas id="chartCanvas" class="chartCanvasClass">
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@ -145,6 +145,13 @@
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However, predictions for Q have mixed results when compared to the Micrometals Q-Curve Catalog found <a href="https://s3.amazonaws.com/micrometals-production/filer_public/7e/d0/7ed096a0-fe6e-4df1-9da9-e129c1ee73d2/q_curve_catalog_issue_h.pdf">HERE</a>.
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I suggest using their catalog for accurate Q prediction. It has been previously identified that Q values predicted using Micrometal's curve-fit equations do not reconcile with measured Q as discussed <a href="https://owenduffy.net/calc/toroid.htm">here</a>.
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<br><br>
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<b><u>TODO:</u></b><br>
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<ul>
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<li> Add a DC current bias slider.</li>
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<li> Consider adding temperature slider.</li>
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<li> Add support for transformers (Auto-transformer, dual-winding, isolation, step-up, step-down, etc...).</li>
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</ul>
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<br><br>
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<b><u>Change history:</u></b><br>
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<b>[6-Nov-21]</b> <br>
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* Re-enabled PI support.<br>
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@ -320,10 +327,11 @@
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'77' : {
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size : {
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'FT240' : { PN:'5977003801', A:61.0, B:35.55, C:12.7, W:106.0, CC:9.20, le:14.5, Ae:1.58, Ve:22.8, Al:3155.0 },
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'FT140' : { PN:'5977002701', A:35.55, B:23.00, C:12.7, W:33.00, CC:11.20, le:8.90, Ae:0.79, Ve:7.00, Al:2545.0 },
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'FT140' : { PN:'5977002701', A:35.55, B:23.00, C:12.7, W:33.00, CC:11.20, le:8.90, Ae:0.79, Ve:7.00, Al:2545.0 },
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'FT114' : { PN:'5977001001', A:29.00, B:19.00, C:7.5, W:13.0, CC:19.80, le:7.30, Ae:0.37, Ve:2.70, Al:1365.0 },
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'FT50' : { PN:'5977000301', A:12.70, B:7.15, C:4.90, W:2.00, CC:22.90, le:2.95, Ae:0.129, Ve:0.38, Al:1180.0 },
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'FT37' : { PN:'5977000201', A:9.50, B:4.75, C:3.30, W:0.83, CC:28.60, le:2.07, Ae:0.072, Ve:0.15, Al:945.0 },
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'FT100' : { PN:'5977006401', A:25.40, B:15.50, C:12.7, W:19.0, CC:10.00, le:6.20, Ae:0.62, Ve:3.80, Al:2700.0 },
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'FT50' : { PN:'5977000301', A:12.70, B:7.15, C:4.90, W:2.00, CC:22.90, le:2.95, Ae:0.129, Ve:0.38, Al:1180.0 },
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'FT37' : { PN:'5977000201', A:9.50, B:4.75, C:3.30, W:0.83, CC:28.60, le:2.07, Ae:0.072, Ve:0.15, Al:945.0 },
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},
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manufacturer : "Fair-Rite",
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mat : "MnZn",
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@ -523,10 +531,10 @@
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'31' : {
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size : {
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'FT400' : { PN:'2631814002', A:101.6, B:76.2, C:25.4, W:420.0, CC:8.5985, le:27.5, Ae:3.20, Ve:882.5, Al:1461.0 },
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'FT240' : { PN:'2631803802', A:61.0, B:35.55, C:12.7, W:118.0, CC:9.1627, le:14.5, Ae:1.58, Ve:22.8, Al:1371.0 },
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'FT240' : { PN:'2631803802', A:61.0, B:35.55, C:12.7, W:118.0, CC:9.1627, le:14.5, Ae:1.58, Ve:22.8, Al:1371.0 },
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'FT200' : { PN:'2631626202', A:50.80, B:25.40, C:38.1, W:278.0, CC:2.3791, le:11.1, Ae:4.65, Ve:51.432, Al:5282.0 },
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'FT114' : { PN:'2631801202', A:29.00, B:19.00, C:13.85, W:25.0, CC:1.0795, le:7.33, Ae:0.679, Ve:4.977, Al:1164.0 },
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'FT74' : { PN:'2631626302', A:18.70, B:10.15, C:14.65, W:13.3, CC:7.2188, le:4.26, Ae:0.59, Ve:2.513, Al:1741.0 },
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'FT74' : { PN:'2631626302', A:18.70, B:10.15, C:14.65, W:13.3, CC:7.2188, le:4.26, Ae:0.59, Ve:2.513, Al:1741.0 },
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},
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manufacturer : "Fair-Rite",
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mat : "MnZn",
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@ -1004,7 +1012,7 @@
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const Xs = 2.0 * Math.PI * frequency * this.getInductance(frequency, Bpk);
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return Xs;
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};
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/*
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this.getWireResistance = function(frequency) {
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// Calculate AC wire-resistance, using IEC 60287-1-1: - this seemed really hopeless for high-frequencies:
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const Ks = 1.0; // Solid core conductor
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@ -1013,8 +1021,8 @@
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const Rac = this.Rdc * (1 + Ys);
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return Rac;
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};
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this.getWireResistance2 = function(frequency, wire_radius_meter) {
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*/
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this.getWireResistance = function(frequency, wire_radius_meter) {
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// Al-Asadi equation for AC resistance in Ohms/meter:
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const mu0 = Math.PI * 4e-7;
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const cu_sigma = 58e6;
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@ -1023,24 +1031,7 @@
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const Rac = 1/(Math.PI * cu_sigma * k * (2*wire_radius_meter - k));
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return Rac;
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};
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/*
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this.CC = function(N, Ctt) {
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if(N)
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}
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this.getEquivalentCapacitance = function() {
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const d0 = 1e3 * this.coated_cond_diameter_meters ; // wire diameter including resin coating
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const dc = 1e3 * this.cond_diameter_meters; // wire diameter without coating (core diameter)
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const er = 3.0; // resin relative permittivity
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const p = 17.24e-6;
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const e0 = 8.85418782e-12;
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const lt = this.cond_length_meters / this.N;
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const q = Math.acos(1 - Math.log(d0/dc)/er);
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const Ctt = e0 * lt * ((er*q/Math.log(d0/dc)) + (1/Math.tan(q*0.5)) - (1/Math.tan(p/12)));
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const cN = (Ctt / (2 + (Ctt / (C*(N-2))))) + Ctt;
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return cN;
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}
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*/
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this.I_inductor = function (frequency, voltage) {
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const K1 = 4.44 * frequency * this.N * this.core.Ae * 1e-8;
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const K2 = 0.4 * Math.PI * this.N / this.core.le;
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@ -1086,13 +1077,12 @@
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continue;
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}
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// Current's are within 1% of each other, which is good-enough for now.
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// Current's match within 1% of each other, which is good-enough for now.
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break;
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}
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//console.log(count, frequency, i_inductor, i_wire);
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const Rac = this.cond_length_meters * this.getWireResistance2(frequency, this.cond_diameter_meters*0.5);
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const V = (voltage - voltage_fraction);
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//console.log(count, frequency, V, i_wire);
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const Rac = this.cond_length_meters * this.getWireResistance(frequency, this.cond_diameter_meters*0.5);
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const V = (voltage - voltage_fraction); // Across the inductor.
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const B = V * 1.0e8 / (4.44 * frequency * this.N * this.core.Ae);
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const Pd = this.getPdFromfB(frequency, B);
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const Pw = (i_wire**2 * Rac);
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@ -2123,7 +2113,7 @@
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function drawInductor(fctx, originX, originY, outerRadius, innerRadius, wireRadius, turns, width, toroid_colour) {
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let theta = Math.PI/(turns);
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var front_originX = originX - 0.5*(1*outerRadius + 20 + width);
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var front_originX = originX - 0.5*(1*outerRadius + 20 + width) - 10;
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originY -= 12;
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var x1 = 0;
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@ -2248,18 +2238,40 @@
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}
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// Draw the Dimensions:
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var localx = front_originX - outerRadius - 10;
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fctx.beginPath();
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fctx.moveTo(front_originX - outerRadius, originY - outerRadius);
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fctx.lineTo(front_originX - outerRadius - 20, originY - outerRadius);
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fctx.moveTo(front_originX - outerRadius, originY + outerRadius);
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fctx.lineTo(front_originX - outerRadius - 20, originY + outerRadius);
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fctx.lineTo(front_originX - outerRadius - 20, originY - outerRadius);
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fctx.moveTo(localx + 10, originY - outerRadius);
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fctx.lineTo(localx, originY - outerRadius);
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fctx.moveTo(localx + 10, originY + outerRadius);
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fctx.lineTo(localx, originY + outerRadius);
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fctx.lineTo(localx, originY - outerRadius);
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fctx.stroke();
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fctx.font = "12px arial";
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fctx.textAlign = "right";
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fctx.fillText((controller.toroid.core.A).toFixed(1) + " mm", front_originX - outerRadius - 24, originY - 6);
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fctx.fillText("(" + (controller.toroid.core.A*0.03937).toFixed(3) + "\")", front_originX - outerRadius - 24, originY + 6);
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fctx.save();
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fctx.translate(localx, originY);
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fctx.rotate(-Math.PI * 0.5);
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fctx.textAlign = "center";
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fctx.fillText((controller.toroid.core.A).toFixed(1) + " mm", 0, -20);
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fctx.fillText("(" + (controller.toroid.core.A*0.03937).toFixed(3) + "\")", 0, -6);
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fctx.restore();
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localx = front_originX + outerRadius + 20 + width + 15;
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fctx.beginPath();
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fctx.moveTo(localx - 5, originY - innerRadius);
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fctx.lineTo(localx, originY - innerRadius);
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fctx.lineTo(localx, originY + innerRadius);
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fctx.lineTo(localx - 5, originY + innerRadius);
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fctx.stroke();
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fctx.save();
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fctx.translate(localx, originY);
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fctx.rotate(-Math.PI * 0.5);
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fctx.textAlign = "center";
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fctx.fillText((controller.toroid.core.B).toFixed(1) + " mm", 0, 12);
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fctx.fillText("(" + (controller.toroid.core.B*0.03937).toFixed(3) + "\")", 0, 26);
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fctx.restore();
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}
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function drawTransformer(fctx, originX, originY, outerRadius, innerRadius, wireRadius, turns) {
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