On Friday Umit finished his board in the morning and during testing had issues with his motor control. We ended up helping him troubleshoot and found that a wire was in the wrong place. It took about a hour to get it right after which he passed and we all helped him strip his board… Read More »

Andre our tutor was back today as we continued on our stage 3 board. It was not super difficult but was great having other electricians there to ask questions and observe how they do things also. There are lots of different ways to wire it that blindly copying will get you into trouble. You have… Read More »

This morning the tutor was away so we had a stand in who had to manage 4 groups. We started a bit late but teamed up with 2 others who were doing their stage 3 work. We were suppose to work on practicing bending conduit but we decided to work on the stage 3 board… Read More »

This morning we started with a 3 phase induction motor. The first thing was to identify the terminals by measuring the resistance and labeling the wires. 294 Ohms was the winding resistance. We then wired it in star configuration was meant linking V2, U2, W2 together. Star provides lower voltage which means lower start current.… Read More »

Spent the morning testing 4 appliances. 3 heaters and a toaster. The toaster had the earth disconnected on purpose to see if we could find the fault. This gave us practice of going through AS/NZS 3760 of appliance testing and knowing off the top of our heads Visual Earth Insulation Resistance Polarity Key points to… Read More »

This is an excellent video on how the wiring is configured for a 3 phase motor  

A brilliant intro into induction motors explained in a clear and easy to understand way.