LSEC Company

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Calculation start-up slip-ring motor

inputs			outputs
Engine rating power PN:	kW		Engine rating power PN (calc.):	kW
Rotor voltage U20:	V		Motor rated torque MN:	Nm
Rotor current I2:	A		Motor start torque MS:	Nm
Efficiency ratio ηN:			Load start torque ML:	Nm
Motor rating speed nN:	rpm		Acceleration torque MB:	Nm
Moment of inertia J:	kgm2
max. ambient temperature:	°C		Starting work per start W:	kJ
Limit temperature liquid starter:	°C		Electrolyte volume V:	L
No. of cons. starts z:
Starting duty f:			Start resistor RA:	Ω
Load factor b:
Starting time (being set) tA:	s		Starting time (calculate) tA:	s
planned permanent slip S:	%		Slip resistor RS:	Ω
with rating load:	%