Unfortunately I don't have any data regarding the motor heating/cooling time constants.
Safe stalling time (cold/hot) :25/10 seconds.
The motor starting time is around 5 seconds.
Waiting the winding temp.to decrease to ambient takes more than 12 hours.
We can't wait this time due to process production issue.
- The start can fail due to reasons concern the load (gas compressor) not the motor itself.
Dears
I have motors (11KV-1.8MW-DOL)
The name plate mentions that the jogging factor (Cold/Hot) :2/2
Meaning that the number of consecutive starts Cold/Hot is 2/2
My question is that incase of failure of the two start attempts (Trip or Shutdown reason),What could be the waiting time before the...
