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Just swapped it over for 50Amp fuse, notice for a flash brief 1/2 second I saw what might have been 27 Amps as the pump turns on, ie initial rush of current, as the 516W motor is very inductive in its draw of current.
@off_grid_living Yeah this is what I thought. your fuss was too small for the 1s inrush current
@off_grid_living Yeah this is what I thought. your fuss was too small for the 1s inrush current
According to Wikipedia:\n\n> When an electric motor, AC or DC, is first energized, the rotor is not moving, and a current equivalent to the stalled current will flow, reducing as the motor picks up speed and develops a back EMF to oppose the supply. AC induction motors behave as transformers with a shorted secondary until the rotor begins to move, while brushed motors present essentially the winding resistance. The duration of the starting transient is less if the mechanical load on the motor is relieved until it has picked up speed.
According to Wikipedia:
> When an electric motor, AC or DC, is first energized, the rotor is not moving, and a current equivalent to the stalled current will flow, reducing as the motor picks up speed and develops a back EMF to oppose the supply. AC induction motors behave as transformers with a shorted secondary until the rotor begins to move, while brushed motors present essentially the winding resistance. The duration of the starting transient is less if the mechanical load on the motor is relieved until it has picked up speed.
According to Wikipedia:
> When an electric motor, AC or DC, is first energized, the rotor is not moving, and a current equivalent to the stalled current will flow, reducing as the motor picks up speed and develops a back EMF to oppose the supply. AC induction motors behave as transformers with a shorted secondary until the rotor begins to move, while brushed motors present essentially the winding resistance. The duration of the starting transient is less if the mechanical load on the motor is relieved until it has picked up speed.
I wonder if you can reduce the inrush current of motors by some kind of mechanical or manual rotation of the motor to get it rotating a bit before turning it on and energizing it hmmm 🤔
I wonder if you can reduce the inrush current of motors by some kind of mechanical or manual rotation of the motor to get it rotating a bit before turning it on and energizing it hmmm 🤔
Apparently Fluke meters have an inrush function and take 400 sample over 100ms to get an accurate inrush measurement. They’re pretty cheap from Jaycar 😁
Apparently Fluke meters have an inrush function and take 400 sample over 100ms to get an accurate inrush measurement. They’re pretty cheap from Jaycar 😁