Flying start on VSD when the motor is not 'flying'
Flying start on VSD when the motor is not 'flying'
(OP)
Has anybody any practical experience of the flying start function on VSD's (catching a spinning motor) when the motor is not spinning? It's not a trick question, I am finding a number of strange characteristics when the function is activated but the motor is not actually spinning, especially when the load is a low inertia (axial fan type). When the motor is spinning and the VSD starts into this load it catches it no problem but if the motor has come to a standstill and then starts, we get the occaisional overcurrent trip. I just wondered if anybody out there has encountered this.
It sounds a bit obvious but the function of flying start is generally tested on a spinning motor. I'm wondering if we have missed something somewhere or if others are like this too.
It sounds a bit obvious but the function of flying start is generally tested on a spinning motor. I'm wondering if we have missed something somewhere or if others are like this too.





RE: Flying start on VSD when the motor is not 'flying'
RE: Flying start on VSD when the motor is not 'flying'
RE: Flying start on VSD when the motor is not 'flying'
RE: Flying start on VSD when the motor is not 'flying'
Thanks for your input.
RE: Flying start on VSD when the motor is not 'flying'