Motors

Not All Motor Rewinds Are Equal

20 September 2016

Electric motors can be repaired without reducing efficiency. Here Maddy Tunstall explains the benefits of using a quality motor rewind service.  Don’t always assume a cheaper rewind price is the best option! Why you should look beyond the rewind price when selecting an electric motor repair supplier. It’s not the price of the rewind you […]

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Electric Motor Star and Delta Connection Diagrams

17 August 2012

These diagrams show the basic 3 phase electric motor coil winding configurations for Star and Delta connections. Online Training        City+Guilds Training        Electrician’s Insurance The first shows that a Star connected motor will draw less current than when it is connected in Delta. (Double ckick the image twice to enlarge) The diagram below shows the actual wiring […]

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Video- How Does A Star Delta Motor Starter Contactor Work?

3 November 2011

Why do we start to run a motor initially in Star mode and then change to Delta mode? How does a Star-Delta Starter work an electric motor? If we run a motor directly in Delta mode the current can be 4 times as higher and cause a very heavy torque on the motor. You would […]

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Video- How Does An Electric Motor Work?

3 November 2011

Here’s a very informative video about how an 3 Phase Electric Motor works. The Rotor is a solid cylinder that sits inside the Stator. It has a series of highly conductive aluminium rods embedded in its surface. The Stator simulates motion when electricity flows in the pairs of copper coils. The Stator switches the coils […]

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