At 01:47 03 September 2018, Bob Youngblood wrote:
On Sunday, September 2, 2018 at 7:05:28 PM UTC-4, AS wrote:
I can tell you that the current starting load for a 430 hp
electric
=
motor is substantial. Don't know if they are using a soft start or
somethin=
g equal it takes a lot of power to start a 430 hp electric motor. The amp
r=
equirements are huge, interesting concept, huge electric requirements.
Bob
=20
I think it would take almost 1 mg to start a 430 hp electric motor
DOL.=
Huge power requirement.
=20
Bob - they are all using frequency controllers! These are not your
on-off=
industrial motors used to power a belt conveyor or hammer-mill! Think
elec=
tric cars ...
Uli
'AS'

Even with a VFD the electrical requirement is huge. Bob

There are a lot of high power electrical systems around, trains for
example. Underground trains in particular.

Chris