Ld and Lq identification

Rotating Machine (r/phi-coordinate-system)

Data for the “Ld/Lq identification” procedure

Example for the call:

m.move_action     =          0.000  -- Move Action: rotate=0; linear=1
m.arm_length      =        100.000  -- Effect. armature length          [mm]
m.num_pol_pair    =          2.000  -- Number of Pole pairs           (>= 1)
m.npols_gen       =          1.000  -- Number of Poles simulated      (>= 1)
m.speed           =       3000.000  -- Speed: rotate                 [1/min]
m.skew_angle      =          0.000  -- Skew angle                  [Deg; mm]
m.nu_skew_steps   =          0.000  -- No of skew sect:>0:finite;0:infinite
m.current         =         20.000  -- Nominal stator coil current(Peak) [A]
m.num_par_wdgs    =          1.000  -- Number of parallel Windings    (>= 1)
m.magn_temp       =         20.000  -- Temperature Magnet            [Deg C]
m.fc_radius       =         34.250  -- Radius air-gap center (torque)  [mm]
m.num_cur_steps   =          2.000  -- Number of current steps    <= 15
m.nu_beta_steps   =          2.000  -- Number of beta angle steps <= 15
m.beta_max        =          0.000  -- Beta angle maximum
m.beta_min        =        -40.000  -- Beta angle minimum
m.nu_move_steps   =         46.000  -- Number of move steps
m.range_phi       =        180.000  -- Move range angle
m.phi_start       =          0.000  -- Start angle
m.pm_eff_aktiv    =  0              -- no user interactions

m.pocfilename     = 'xyz.poc'
run_models("ld_lq_fast")
../../../../../_images/Ld.Lq.Identification.01.png

Rotating Machine with exciting current (r/phi-coordinate-system)

Additional Data for the “Ld/Lq identification” procedure

m.nloa_ex_cur   = 50.0  -- No Load Exciting current
m.load_ex_cur   = 50.0  -- Load Exciting current
m.wdgkeyex      =  0    -- automatic selection of excitation winding

run_models("ld_lq_f_cur")