Torque/force, no-load

Call: cogging torque Rotating Machine (r/phi-coordinate-system)

Data for the “Cogging Torque/Force” procedure

m.move_action = 0.000 – Move Action: rotate=0; linear=1 m.arm_length = 50.000 – Effect. armature length [mm] m.num_pol_pair = 2.000 – Number of Pole pairs (>= 1) m.npols_gen = 4.000 – Number of Poles simulated (>= 1) m.skew_angle = 0.000 – Skew angle [Deg;mm] m.nu_skew_steps = 0.000 – No of skew sect: >0:finite;0:infinite m.eval_force1 = 0.000 – Evaluate force density:no = 0;yes > 0 m.fc_radius1 = 25.000 – Air-gap center 1:radius/position [mm] m.fc_radius2 = 0.000 – Air-gap center 2:radius [mm] m.nu_force_pat = 0.000 – Number of extra force pathes < = 3 m.magn_temp = 20.000 – Temperature Magnet [Deg C] m.speed = 3000.000 – Speed: rotate [1/min] m.num_par_wdgs = 1.000 – Number of parallel Windings (>= 1) m.nu_move_steps = 46.000 – Number of move steps m.range_phi = 90.000 – Move range angle m.phi_start = 0.000 – Start angle m.fc_mult_move_type = 0.000 – Type of move path in air gap n m.period_frac = 1 – Fraction of rotation range: 1 full, 6: 1/6 Period m.pocfilename = ‘xyz.poc’ run_models(“cogg_calc”)

../../../../../_images/cogging_torque_calculation.png

Call: Linear Machine (x/y- and r/z-coordinate-system)

Data for the “Cogging Torque/Force” procedure

Example for the call:

-- Movement in x-direction
 m.move_action     =          1.000 --   Move Action: rotate=0; linear=1
 m.arm_length      =        700.000 --   Effect. armature length          [mm]
 m.npols_gen       =          1.000 --   Number of Sectors simulated   (>= 1)
 m.two_pole_wi     =         72.000 --   2 X pole width                   [mm]
 m.skew_linear     =          0.000 --   Skew displacement                [mm]
 m.nu_skew_steps   =          0.000 --   No of skew sect: >0:finite;0:infinite
 m.eval_force1     =          0.000 --   Evaluate force density:no = 0;yes > 0
 m.line            =          1.000 --   Move path: line: 0 ; poly line: 1
 m.nu_force_pat    =          0.000 --   Number of extra force pathes < = 3
 m.magn_temp       =         20.000 --   Temperature Magnet            [Deg C]
 m.speed_linear    =         30.000 --   Speed:  linear                  [m/s]
 m.num_par_wdgs    =          1.000 --   Number of parallel Windings   (>= 1)
 m.nu_move_steps   =         73.000 --   Number of move steps
 m.range_x         =         72.000 --   Move range x [mm]
 m.range_y         =          0.000 --   Move range y [mm] \n

 m.fc_mult_move_type =        1.000 --   Type of move path in air gap
 m.fc_force_points   =        5.000 --   number move points in air gap
 m.fcpx_mm1        =         -1.000 --   x-coord of polyline [mm]
 m.fcpy_mm1        =        101.500 --   y-coord of polyline [mm]
 m.fcpx_mm2        =         72.500 --   x-coord of polyline [mm]
 m.fcpy_mm2        =        101.500 --   y-coord of polyline [mm]
 m.fcpx_mm3        =         72.500 --   x-coord of polyline [mm]
 m.fcpy_mm3        =        118.500 --   y-coord of polyline [mm]
 m.fcpx_mm4        =         -1.000 --   x-coord of polyline [mm]
 m.fcpy_mm4        =        118.500 --   y-coord of polyline [mm]
 m.fcpx_mm5        =         -1.000 --   x-coord of polyline [mm]
 m.fcpy_mm5        =        101.500 --   y-coord of polyline [mm] \n

 m.pocfilename    = 'xyz.poc'
 run_models("cogg_calc")
../../../../../_images/cogging_force_calculation.png