2020-12-24 18:43 skrev andy pugh:
On Tue, 22 Dec 2020 at 16:37, Nicklas SB Karlsson
wrote:
As I understand it is an IPM Internal Permanent Magnet motor, have
principal picture in old course literature from university. Would
guess
it is used because full torque is seldom used and iron losses
On 12/24/2020 11:43 AM, Dave Cole wrote:
Automation Direct sells braking resistors.
https://www.automationdirect.com/adc/shopping/catalog/drives_-a-_soft_starters/ac_variable_frequency_drives_(vfd)/vfd_accessories/braking_units_-a-_resistors
Looks like the cheapest one is about $30.
I've used
Automation Direct sells braking resistors.
https://www.automationdirect.com/adc/shopping/catalog/drives_-a-_soft_starters/ac_variable_frequency_drives_(vfd)/vfd_accessories/braking_units_-a-_resistors
Looks like the cheapest one is about $30.
But unless you are hitting the brakes constantly, they
On 12/24/2020 02:18 AM, Chris Albertson wrote:
"All the time?"When you have a hard requirement like this is when some
detailed engineering can pay off.Assume you are reversing at 50% duty
cycle and burning 1KW 50% of the time. Where I live this can cost 12
cents per hour. This is $89 p
Greetings all,
I got no response of any kind yesterday from the motor.
So this morning I powered it up and immediately did a set on pd0013 which
restores factory defaults. But the jumper that controls which POT, the
front panel or the electronic on in the 7i76D is used. That now makes it
run
On Thursday 24 December 2020 03:18:24 Chris Albertson wrote:
> "All the time?"When you have a hard requirement like this is when
> some detailed engineering can pay off.Assume you are reversing at
> 50% duty cycle and burning 1KW 50% of the time. Where I live this
> can cost 12 cents per
"All the time?"When you have a hard requirement like this is when some
detailed engineering can pay off.Assume you are reversing at 50% duty
cycle and burning 1KW 50% of the time. Where I live this can cost 12
cents per hour. This is $89 per month if you actually do run "all the
time".
