PMSM_VShape(Geo_PMSM_MagnetVShape geo)
{
this.geo = geo;
gmc = geo.buildGMC();
OutputFolder = ".\\out\\";
OutputFileResult = OutputFolder + "result.txt";
}
/// <summary>
/// Make a GMC, All lengths are converted from mm to m
/// </summary>
/// <returns></returns>
public GeneralMagnetCircuit buildGMC()
{
if (!isPointsCoordCalculated)
{
CalcPointsCoordinates();
}
/////assign for shorten variables
//material
double Br = MaterialParams.Br;
double mu_0 = MaterialParams.mu_0;
double mu_M = MaterialParams.mu_M;
double Bsat = MaterialParams.Bsat;
double Hc = MaterialParams.Hc;
//coeff
double Kc = Coeffs.Kc;
//rotor
double lm = RotorParams.lm;
double Rrotor = RotorParams.Rrotor;
int p = RotorParams.p;
double wFe = RotorParams.wFe;
double alphaM = RotorParams.alphaM;
double wFe2 = RotorParams.wFe2;
double wb2min = RotorParams.wb2min;
//stator
int Q = StatorParams.Q;
double Dstator = StatorParams.Dstator;
double Rinstator = StatorParams.Rinstator;
double L = StatorParams.L;
double wy = StatorParams.wy;
double ly = StatorParams.ly;
double lz = StatorParams.lz;
double wz = StatorParams.wz;
//calc sizes of barrier and bridge
double bf = Math.Sqrt(Math.Pow(xF - xB, 2) + Math.Pow(yF - yB, 2));
double af = Math.Sqrt(Math.Pow(xF - xA, 2) + Math.Pow(yF - yA, 2));
double wm = (yB - yC) / Math.Sin(RotorParams.alphaM);
double wb2 = yD + yC;
double lb2 = xC - xD;
double lFe = RotorParams.wFe2 + bf;
double lFe2 = af;
double wb1 = af / 2;
double lb1 = bf;
///// create GMC
GeneralMagnetCircuit gmc = new GeneralMagnetCircuit();
// start calculation permeance
if (Kc == 0)
{
Kc = 1;//default carter coefficient
}
double delta = Rinstator - Rrotor;
double wslot = 2 * Rinstator * Math.PI / Q - wz;
int Nz = Q / (2 * p);
double wd = (Rrotor + delta / 2) * 2 * Math.PI / (2 * p);
// magnet parameters
gmc.phiR = Br * 2 * wm * L * 1e-6;
gmc.PM = mu_0 * mu_M * 2 * wm * L / lm * 1e-3;
gmc.Fc = Hc * lm * 1e-3;
// airgap
gmc.Pd = mu_0 * wd * L / (delta * Kc) * 1e-3;
// leakage path parameters
gmc.phiHFe = Bsat * 2 * wFe * L * 1e-6;
gmc.PFe = mu_0 * 2 * wFe * L / lFe * 1e-3;
double Pb1 = mu_0 * wb1 * L / lb1;
double Pb2 = mu_0 * wb2 * L / lb2;
gmc.Pb = (Pb1 + Pb2) * 1e-3;
// stator teeth and yoke
ly = 0.5 * (Dstator - wy) * Math.PI / (2 * p);
gmc.Sz = Nz * wz * L * 1e-6;
gmc.Sy = 2 * wy * L * 1e-6;
gmc.lz = lz * 1e-3;
gmc.ly = ly * 1e-3;
gmc.Pslot = mu_0 * wslot * L / lz * 1e-3;
// steel characteristic
gmc.Barray = MaterialParams.B;
gmc.Harray = MaterialParams.H;
return(gmc);
}
