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Old November 28th, 2017, 10:45 PM   #1

kalabdel is online now
Join Date: Feb 2015
Location: Ontario
Posts: 364
What are:Single-Rotation and Pole-Changing motors?

Hello everyone,

In the attached motor wiring there are three different types of motors shown, being: 1-Single-rotation motors, Pole-Changing motors and Dual-Voltage motors. Dual voltage I understand, the other two I don't.

Single rotation means I can not change the motor direction of rotation by switching two of the phases?
Also in the wrining shwon isn't the single-rotaion motor also dual voltage Wye and Delta?

Pole-Changing changes the motor speed? How does that work?


One more question, what is temperature monitoring or rather how is it implemented in the motor? There's a small terminal block in the junction box that is marked R1 and R2 where do they connect to inside the motor and how are they used in c control circuit?

Attached Files
File Type: pdf MotorWiring.pdf (168.0 KB, 55 views)
File Type: pdf CurrentMonitoring.pdf (192.0 KB, 35 views)

Last edited by kalabdel; November 28th, 2017 at 11:20 PM.
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