2. Fundamental equations
Definition : 2.1. Electromotive force E (EMF)
with
: Magnetic flux in Weber
: Angular speed in
:
: number of pair of poles;
: number of winding channels;
: number of conductors of the armature.
Definition :
Applied to an Engine:
|  |
Applied to a Generator:
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With:
,
: Electromotive force in Volt
resistance of the armature in Ohm
current in the armature in Amps
Definition : 2.3. Speed
Using previous equations
For an engine:
For a generator:
With:
-
: Angular speed in
: Voltage in Volt -
current in the armature in Amps
-
resistance of the armature in Ohm
-
: Magnetic flux in Weber
: Cte
Definition : 2.4. The power
or
With
-
,
: Electromotive force in Volt
: Power in Watt-
current in the armature in Amps
Definition : Engine Torque
with
: Torque in
-
: Power in Watt
-
: Angular speed in
-
: Magnetic flux in Weber
-
: Cte
-
current in the armature in Amps
