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3-phase motor and how to check if its working There are quite few different AC motor types, every unit with training wheel found in squirrel or hamster cages. A normal 3-phase squirrel-cage motor has six connection leads in the electrical connection box for the three coils. If someone works with AC 3-phase motors, therefore it is important to know how to connect these motors in Star and Delta connection, and how to trace an electrical problem in the unit. See the outer part of the 3 phase motor. If the motor has any of the following problems on the outside, they may have problems that can shorten the life of the motor due to previous overloading, wrong application or both. Check the nameplate on the motor. Nameplate is a shiny metal or other durable tag or label that is riveted to the outside of motor housing called the stator frame. Essential information about the motor is on the tag; without it, it will be hard to control its suitability to a task. Typical info found on most motors. Do no forget to check the gear because it would be useful then start to inspect the gears of the machine. A lot of electric motor failures are caused by bearing failures. The bearings allow the shaft or rotor assembly to move freely and greatly in the frame. Bearings are located at both ends of the motor which are ocassionaly called bell housings or end bells. If there is still {problem in the motor don’t hesitate to call a local electrician to assist you with these situations. You can find out more


3-phase motor and how to check if its working