Cobalt Input Symbols

 

 

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General Page

 

Symbol

Description

Main

Choose the main magnetizing fixture type

Rotor

Choose the rotor type

Notes

Notes (can never be private)

Sub-notes

Additional notes (can be private)

Private

Turn on to make Sub-notes private and prevent printing

Line drawing

Performs the line drawing routines

2-D model

Creates a 2 dimensional model of the motor

3-D model

Creates a 3 dimensional model of the motor

Analytical design

Perform an Analytical design with the input data

 

 

Dimensions Page

 

Symbol

Description

Dso

Stator outer diameter

Dsbi

Stator back iron diameter

Dsi

Stator inner diameter

So

Slot opening

Twi

Tooth width towards slot opening

Two

Tooth width towards back iron

Lstk

Stator axial stack length

Skew

Stator skew in terms of slots

Parallel slot openings

Enable the slot opening to be parallel

Ptt

Tooth pole tip thickness

Pta

Tooth pole tip angle height

R1

Radius at tooth tip and air gap

R2

Radius at tooth tip and tooth tip angle

R3

Radius at tooth tip and tooth

R4

Radius at tooth and slot bottom

Tlam

Stator lamination axial thickness

Nrm

Number or rotor magnets and stator slots

Mod

Magnet OD

Mid

Magnet ID

Arcm

Magnet pole span

Dpm

Axial length of the permanent magnet

Lrbi

Rotor back iron thickness

 

 

Control Page

 

Symbol

Description

Vs

Magnetizer supply voltage

C

Magnetizer capacitance

Rc

Additional contact resistance

Vc

Voltage drop across contact resistance

Rd

Resistance of reverse diode

Vd

Voltage drop across reverse diode

Use semiconductor...

Use the parameter while computing current waveforms

Stator lam material

Stator lamination material from steel database

Rotor hub material

Rotor hub material from steel database

Kr

Resistance coefficient

Kl

Inductance coefficient

Kmlt

Mean Length of Turn (MLT) coefficient

Ksfi

Stator iron stacking factor

Krsfi

Rotor iron stacking factor

Flkg

Flux leakage coefficient

Spline

Uses spline extrapolation on the steel B-H data when the flux density is higher than the maximum value of the data

Pulse time

x-axis time to plot current waveform in graphs

Nps

Number of points for over all motor simulation

Nsec

Number of section in axial direction when applicable

 

 

 

Winding Page

 

Symbol

Description

Paths

Number of parallel paths

Temp

Winding temperature

Liner

Slot liner thickness

Nts

Number of turns per coil

Span

Span of the coil in terms of slots

Strands

Number of wires in hand (for parallel connection)

Wire

Database name

Size

Wire diameter

Insulation

Insulation diameter

Magnet

Magnet material name

Temp

Magnet default temperature

alpBr

Coefficient of flux density degradation with temperature

Dens

Magnet density

Br

Remanent flux density

Hc

Coercive magnetic field

Hci

Intrinsic coercive magnetic field

Hsat

Magnet saturation magnetic field

MGOe

Energy product

Name

Name of the magnet

Manufacturer

Manufacturer of the magnet

 

 

Holes Page

 

Symbol

Description

Layer

Hole layer number

No. of holes

Number of holes in the layer

Radius

Hole radius

Center X

x coordinate of the circle center

Center Y

y coordinate of the circle center

Angle

Angle between hole centers

Use this layer

Use or do not use this layer

 

 

Miscellaneous Page

 

Symbol

Description

Liner overhang

Overhang of liner outside stator

Winding overhang

Overhang of winding outside liner

Shaft overhang

Overhang of shaft outside hub

Shaft offset

Shaft overhang offset (enables shaft to be longer on one       side of motor)