How to troubleshoot a 3 phase electric motor by daniel ray save three phase motors are normally used in commercial type operations these motors have fewer parts and are more sturdily built than their single phase counterparts as a result these motors are less prone to malfunctions and tend to operate for many years. Three phase induction motors are one of the most popular electric motors commonly found in processing plants or any manufacturing concern they are used in situations where large power is required the squirrel cage brand is the most popular and they perform various tasks wherever they are applied. Electric motor test repair guide this article describes a c electrical motor troubleshooting here we provide an electric motor diagnostic table a troubleshooting guide that helps diagnose and repair most electric motor problems for motors found on hvac equipment in buildings such as air conditioners furnace or air handler blower fans oil burner motors well pumps and condensate return . Most domestic homes are powered by single phase power but industrial facilities and electrical motors use 3 phase power more than any other component most times if a motor is failing it will be replaced immediately however troubleshooting a 3 phase power motor can actually help you fix the problem and get it working again. For the motor test the stator winding resistance phase to phase and phase to ground if you find a phase on phase short the motor needs evaluation for a rewind or for replacement if you find a phase to ground short a motor shop may be able to do an in place repair for a large motor however you might end up needing to rewind or replace it
How it works:
1. Register a Free 1 month Trial Account.
2. Download as many books as you like (Personal use)
3. No Commitment. Cancel anytime.
4. Join with over 1.000.000 Happy Readers.
5. That's it. What are you waiting for? Sign Up and Get Your Books.