We have an application where an owner wants to use a 250HP motor to drive a cooling tower fan but he wants to keep his current switchgear that was rated for a 200HP motor.
We can pitch the fan so that it does not require more then 200hp from the motor but is this going to work?
We have a problem with a set of Toshiba H7 series model number VT130H7U415KB varaible frequency driving a sereis of 150HP Toshiba motors on an induced draft cooling tower.
The motors run fine through the full 1800 rpm speed except for one area right around 650rpm - 750rpm where the motors begin...
Is there any rule of thumb or guidelines for determining the mounting or base plate thickness for electric motors and gear reducers?
We design the supports for large induced draft cooling tower fans (12-40' in diameter). The fans are horizontal and driven by right angle gear reducers which...
